Find your next tech and IT Job or contract Front-End Developer (JavaScript, Node, React, Angular, Vue...) in London

Senior front end developer React JavaScript HTML CSS London This is a new and exclusive opportunity for a Senior front end developer with expertise across React JavaScript HTML CSS to join this thriving STEM Digital business in London with a strong home working hybrid Role details • Title- Senior front end developer • Technical stack- React JavaScript HTML CSS London • Permanent role, salary £60,000- £80,000 dependent on experience • Location: London City (Liverpool Street station) 1 day a week in the office and strong home working hybrid • Focus of the role- ownership for design and architecture , lead conversations for future code strategy This is a brilliant new opportunity to help this thriving STEM business build a new candidate digital experience. You will be building on onboarding portal to streamline the full lifecycle process, and your role is key in designing, developing, testing and supporting the front end capabilities within this digital experience platform What we are looking for from you • Strong REACT, JavaScript, HTML, CSS Web based user interface • Excellent design and architecture skills and confidence to lead conversations for the future strategy & take ownership of execution What you will get in return • Thriving STEM business building a genuinely interesting digital first experience • 1 day a week in the office and full flexibility outside of this • Strong base salary solid benefits list and potential for bonus • The chance to lead conversations and make a genuine impact in design and architecture For more information, and the chance to be considered, please do send through a CV Many thanks To find out more about Huxley, please visit XX XX XX XX XX Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Senior front end developer React JavaScript HTML CSS London This is a new and exclusive opportunity for a Senior front end developer with expertise across React JavaScript HTML CSS to join this thriving STEM Digital business in London with a strong home working hybrid Role details • Title- Senior front end developer • Technical stack- React JavaScript HTML CSS London • Permanent role, salary £60,000- £80,000 dependent on experience • Location: London City (Liverpool Street station) 1 day a week in the office and strong home working hybrid • Focus of the role- ownership for design and architecture , lead conversations for future code strategy This is a brilliant new opportunity to help this thriving STEM business build a new candidate digital experience. You will be building on onboarding portal to streamline the full lifecycle process, and your role is key in designing, developing, testing and supporting the front end capabilities within this digital experience platform What we are looking for from you • Strong REACT, JavaScript, HTML, CSS Web based user interface • Excellent design and architecture skills and confidence to lead conversations for the future strategy & take ownership of execution What you will get in return • Thriving STEM business building a genuinely interesting digital first experience • 1 day a week in the office and full flexibility outside of this • Strong base salary solid benefits list and potential for bonus • The chance to lead conversations and make a genuine impact in design and architecture For more information, and the chance to be considered, please do send through a CV Many thanks To find out more about Huxley, please visit XX XX XX XX XX Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Front End Developer London (Hybrid) £75,000 - £85,000 + Equity + Progression An excellent opportunity awaits a Front-End Engineer with strong NXX XX XX XX XX experience to join an AI Driven startup in a role offering cutting edge projects, personal development and progression opportunities, and equity included. This company is an exciting startup developing an AI-driven solution for the renewable energy sector. In this role, you'll join an established core team based in London, working to influence technical decision, develop and maintain high performance, responsive front-end applications for an AI-powered platform. This role is based in Central London, 3 days per week in the office. The ideal candidate for this role will be well versed in developing responsive, high performance front-end applications using NXX XX XX XX XX and Typescript, with experience working in a CI/CD environment. The right candidate will have a strong understanding of front-end principles and will be able to contribute and play an important role in the technical decision-making process. This is a fantastic opportunity for a well-versed front-end developer to join an exciting AI start-up in a role working on cutting edge projects, growth opportunities, and equity. The Role: *Front-end engineering of AI-driven solutions *Development using NXX XX XX XX XX and TypeScript *CI/CD deployment *Strong progression opportunities within an AI startup *Hybrid role, 3 days a week in Central London The Person: *Strong experience in front-end development using NXX XX XX XX XX and TypeScript *Experience in CI/CD deployment and modern cloud pipelines *Experience building of responsive, high-performance applications. *Looking for a fast-paced startup environment *Based in or within a commutable distance to Central London Reference Number: BBBH 253124 To apply for this role or for to be considered for further roles, please click \"Apply Now\" or contact Marcel Cerek at Rise Technical Recruitment. Rise Technical Recruitment Ltd acts as an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set. We are an equal opportunities employer and welcome applications from all suitable candidates.

Front End Developer London - 4 Days on-site £70,000 - £85,000 DOE + Equity + Private Healthcare + Unlimited Annual Leave This is an excellent opportunity for a Junior to Mid-level Front End Developer to join a rapidly growing start-up offering great progression and the chance to further enhance your skills. This company are a platform designed to simplify the hiring process for businesses and allow individuals to find flexible work opportunities. By connecting businesses with skilled professionals for short-term staffing needs, this innovative solution optimises workforce efficiency. They are an incredibly exciting startup and its a brilliant time to join the journey. In this varied role you will play a key part in the Front-End mobile app development, focusing on improving and maintaining the existing product. Within this position you will collaborate with cross-divisional teams and stakeholders in an incredibly exciting phase of growth for this highly reputable startup. The ideal candidate will have some commercial experience in frontend development, ideally Flutter (Dart Framework) and have a 1st class degree in a relative subject from a Russell group. This is a fantastic opportunity for a Front End Developer to join a rapidly expanding start-up at an important time where you will have great progression opportunities. The Role: • Front End Mobile App Development • Improving and maintaining the existing product • Collaboration with Stakeholders • 4 Days onsite in London. The Person: • Commercial frontend development experience and/or 1st Class Degree in relevant subject. • Flutter (Dart Framework) experience. • Previous experience working at a startup

Node Developer / Backend Software Engineer (Node.js API JavaScript CFA) London / WFH to £95k Do you have strong backend development skills with Node.js combined with a good knowledge of financial markets? You could be progressing your career in a senior, hands-on Node Developer role at a global cryptocurrency market data and trade execution technology company that is experiencing great success and is growing as a result. As a Node Developer you will join a small team to design, develop and maintain cutting edge solutions for cryptocurrency market data, ensuring the accuracy, scalability and reliability of index calculation engines in collaboration with product and cross functional teams to deliver impactful features. You'll be building and optimising systems to handle high volume real-time market data streams and also working with clients and business stakeholders to understand requirements and business impact. Location / WFH: You'll join the team in brand new Central London based offices three days a week with flexibility to work from home the other two days. About you: You have experience of designing and implementing scalable solutions to handle high throughput systems You have advanced backend Node.js and JavaScript / TypeScript coding skills You have a strong understanding of financial market data systems and ideally hold a CFA certification You have a good knowledge of both relational and non-relational databases, PostgreSQL and Redis preferred You have a good knowledge of UNIX based systems for development and deployment You have a strong appreciation of DevOps principles including secure coding practices, CI/CD pipelines, automated deployment You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Node Developer / Backend Software Engineer you will receive a comprehensive package: Salary to £95k Bonus Continual learning and self development opportunities working on cutting edge systems Apply now to find out more about this Node Developer / Backend Software Engineer (Node.js API JavaScript CFA) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Join Our Mission to Revolutionise Healthcare Through Technology Are you a Frontend Software Engineer with a passion for making a difference? Join our dynamic Healthcare Technology team and be a part of something that truly matters. We are on a mission to transform the landscape of clinical research applications, making healthcare more accessible and efficient for everyone. Position: Frontend Software Engineer (React JS) Salary: up to £70,000 + Bens Location: Fully Remote (UK-based) Why Join Us? • Impactful Work: Develop cutting-edge web applications that operationalise clinical research, directly contributing to advancements in healthcare. • Collaborative Environment: Work within a cross-functional team of Frontend Developers, Backend Developers, QA Engineers, and DevOps Engineers. • Innovative Projects: Utilize the latest technologies and best practices to create intuitive, robust, and responsive user interfaces. Your Role: • Design and Implement: Craft web apps using HTML, CSS, TypeScript, and React JS. • Test and Validate: Write unit and integration tests, ensuring compatibility across different browsers and platforms. • Collaborate and Improve: Work closely with DevOps Engineers on CI pipelines, validate UX designs, and implement usability improvements. • Secure and Compliant: Apply your knowledge of endpoint and data security standards, including OAuth2, to ensure secure and reliable applications. What We're Looking For: • Technical Proficiency: Expertise in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. • Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. • Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. • Collaborative Spirit: Strong communication and collaboration skills, essential for a remote role. • Additional Skills: Knowledge of DevOps methodologies, container technologies, and other programming languages like C# is beneficial. Qualifications: • Education: Bachelors degree in Computer Science from a UK university or equivalent. • Eligibility: Must be eligible to work in the UK. Ready to Make a Difference? Join us and contribute to the future of healthcare. Apply your skills to create technology that matters, working with a team that values innovation, collaboration, and excellence. Apply Now and be part of a team that is dedicated to transforming healthcare through technology. Note: This position is primarily remote. Strong communication and collaboration skills are required to thrive in our dynamic team environment. To find out more about Computer Futures please visit XX XX XX XX XX Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Lead Back End Software Engineer / Developer (Node API JavaScript CFA) London / WFH to £120k Are you a lead technologist with strong financial services experience combined with Node.js backend development expertise? You could be progressing your career in a hands-on leadership role at a global cryptocurrency market data and trade execution technology company that is experiencing great success and is growing as a result. As a Lead Back End Software Engineer you will take ownership of designing, building and maintaining cutting edge solutions for cryptocurrency market data, ensuring the accuracy, scalability and reliability of index calculation engines in collaboration with product and cross functional teams to deliver impactful features. You'll be building and optimising systems to handle high volume real-time market data streams and also working with clients and business stakeholders to understand requirements and business impact. Location / WFH: You'll join the team in brand new Central London based offices three days a week with flexibility to work from home the other two days. About you: You have strong experience of designing and implementing scalable solutions to handle high throughput systems You have advanced backend Node.js and JavaScript / TypeScript coding skills You have strong messaging experience e.g. SQS, You have a strong understanding of financial market data systems and ideally hold a CFA certification You have technical project leadership and mentoring experience You have a good knowledge of both relational and non-relational databases, PostgreSQL and Redis preferred You have a good knowledge of UNIX based systems for development and deployment You have a strong appreciation of DevOps principles including secure coding practices, CI/CD pipelines, automated deployment You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Lead Back End Software Engineer / Developer you will receive a comprehensive package: Salary to £120k Bonus Continual learning and self development opportunities working on cutting edge systems Apply now to find out more about this Lead Back End Software Engineer / Developer (Node API JavaScript CFA) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Job Description Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.

Job Description Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Job Description Senior Software Developer with Liferay or Angular You have a degree in Engineering, Computer Science or other IT related education please (Bachelor/Master). Must be very enthusiastic about Java-based web/enterprise application development and deployment and have experience with Java. The Client would like to see working knowledge and at least 2 to 3 years experience with Angular 5 and/or Liferay 7 / DXP. Experience with the Spring Framework is a must coupled with extensive knowledge of HTML5, CSS (SASS), JavaScript and Jquery. Good sense of web design and Single-Page Application (SPA) development. Knowledge of cloud software design (AWS / Azure). You need to be a fast learner, willing to learn and implement new technologies. There are several locations for this contract assignment - Norwich, Reading, Surrey, Luton. The rate is negotiable. Duration will be 6 months. Do send your CV to us in Word format along with your daily rate and availability.

Join Our Mission to Revolutionise Healthcare Through Technology Are you a Frontend Software Engineer with a passion for making a difference? Join our dynamic Healthcare Technology team and be a part of something that truly matters. We are on a mission to transform the landscape of clinical research applications, making healthcare more accessible and efficient for everyone. Position: Frontend Software Engineer (React JS) Salary: up to £70,000 + Bens Location: Fully Remote (UK-based) Why Join Us? • Impactful Work: Develop cutting-edge web applications that operationalise clinical research, directly contributing to advancements in healthcare. • Collaborative Environment: Work within a cross-functional team of Frontend Developers, Backend Developers, QA Engineers, and DevOps Engineers. • Innovative Projects: Utilize the latest technologies and best practices to create intuitive, robust, and responsive user interfaces. Your Role: • Design and Implement: Craft web apps using HTML, CSS, TypeScript, and React JS. • Test and Validate: Write unit and integration tests, ensuring compatibility across different browsers and platforms. • Collaborate and Improve: Work closely with DevOps Engineers on CI pipelines, validate UX designs, and implement usability improvements. • Secure and Compliant: Apply your knowledge of endpoint and data security standards, including OAuth2, to ensure secure and reliable applications. What We're Looking For: • Technical Proficiency: Expertise in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. • Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. • Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. • Collaborative Spirit: Strong communication and collaboration skills, essential for a remote role. • Additional Skills: Knowledge of DevOps methodologies, container technologies, and other programming languages like C# is beneficial. Qualifications: • Education: Bachelors degree in Computer Science from a UK university or equivalent. • Eligibility: Must be eligible to work in the UK. Ready to Make a Difference? Join us and contribute to the future of healthcare. Apply your skills to create technology that matters, working with a team that values innovation, collaboration, and excellence. Apply Now and be part of a team that is dedicated to transforming healthcare through technology. Note: This position is primarily remote. Strong communication and collaboration skills are required to thrive in our dynamic team environment. To find out more about Computer Futures please visit XX XX XX XX XX Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Job Description Front Arena Developer Our Client is looking to recruit several Sungard's Front Arena Developers/Consultants You will have at least 3 to 5 years solid back ground of working with Sungard's or FIS Global's Front Arena product. The role is to develop and support Front Arena applications through extending and integrating the core Front Architecture. SPECIFIC RESPONSIBILITIES: • Develop highly visible applications within Front Arena. • Design and develop integrations with other trading and back office applications. • Support Trading Manager and the applications that utilize its output e.g. overnight risk/scenarios and Mark-to-Market. • Provide occasional support for other Front Arena developed applications. • Actively contribute in gaining application and business knowledge for the development team. The following skills and experience are considered essential for this role: • Deep understanding of Front Arena and its programming languages: ADFL, ACM. AEL, ASQL and Python. • Knowledge of Front Arena Architecture and components: ADS, ATS and Service Bus. • Must be able to liaise and clearly communicate with colleagues. • Experience of interacting with end users in the financial industry. • Ability to work independently and solve business problems through own initiative. • Ability to work in a fast changing environment Desirable skills/experience: • Experience of the Front Arena 4 track. • Experience of custom model integration. • Experience of other Trading Systems. • MS SQL • Knowledge of Financial Derivatives This is a 6 month contract based in London. Do send your CV to us in Word format along with your daily rate and availability.