351 to 375 of 627 JavaScript Jobs in London

TypeScript Software Engineer - FinTech SaaS Platform - London/Hybrid (Tech stack: TypeScript, Node.js, React, Next.js, JavaScript, REST APIs, PostgreSQL, Docker, Kubernetes, AWS, Azure, GitHub Copilot, AI Development Tools, Microservices, Software Engineer, Full Stack Developer, TypeScript Developer) Our client is a rapidly growing FinTech SaaS company transforming the way financial institutions … from the ground up rather than maintain legacy systems. Working within a highly collaborative engineering team, you'll develop scalable applications using TypeScript, modern JavaScript frameworks and cloud technologies, while influencing architecture, engineering standards and best practice from day one. The business has an AI-first engineering culture, encouraging developers ...

backend engineers, architects, UX designers, and business stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial … experience building enterprise-grade frontend applications using React Advanced JavaScript and TypeScript development skills Solid understanding of responsive design, modern UI development, HTML5, and CSS3 Experience developing reusable component libraries and scalable frontend architectures Proven experience integrating RESTful APIs, GraphQL services, and third-party platforms Experience with state management solutions ...

Llama, Gemini) and applying them to real‐world problems. Strong backend engineering expertise, including RESTful APIs and micro‐services design. Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., LangChain, PydanticAI). Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes), and Infrastructure‐as‐Code … thrive in fast‐paced environments. Excellent communication and collaboration skills across diverse teams. Preferred qualifications: Proficiency in C# or Java. Frontend development experience with JavaScript/TypeScript and frameworks such as React. Experience developing Generative AI applications, including model fine‐tuning and prototyping. Awareness of ethical AI practices and emerging ...

foster team development. Understand and apply programming languages such as Java, Python, and Node.js. Implement hybrid or multi‐cloud strategies. Technical Stack Node.js Java JavaScript Python Management, Cloud Optimisation, DevOps (other relevant skills) Compensation Competitive Role Type Full time Visa Sponsorship Not provided #J-18808-Ljbffr ...

full stack production systems with a focus on Clojure and leadership in designing scalable, reliable systems. Desirable skills include AWS, GCP, Kubernetes, along with JavaScript and TypeScript. Applicants should possess a passion for system design and have experience leading teams. Competitive compensation is offered. #J-18808-Ljbffr ...

Required Skills You’ll need solid knowledge of JavaScript and TypeScript, HTML, and CSS. We’re also looking for strength in with Mobx, React, and Redux. Responsibilities You’ll be our resident expert on frontend best practices and be a player/coach with the rest of the frontend team. ...

expertise in vb.net to contribute to the development of a high-demand payment gateway platform. Candidates should have experience with frontend technologies like HTML5, Javascript, angular.js, and CSS3, while also gaining backend experience in VB.NET and noSQL through the project. This opportunity offers valuable hands-on experience in both frontend ...

Tech Stack HTML5, CSS3, JavaScript, Angular, React Client Details My client is based in Slough, SL2 and offers one of the best training and development packages in the market, all inclusive. Job Opportunity Challenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. ...

Preferred Qualifications, Capabilities, and Skills Prior experience in Python is helpful but not required. Experience with Javascript/React helpful but not required. About Us J.P. Morgan is a global leader in financial services, providing strategic advice and delivering quality code in a fast-paced environment. Required Qualifications, Capabilities ...

company is focusing on the development of a high-demand, high-transaction payments gateway platform. The frontend development involves the use of HTML5, Javascript , angular.js, and CSS3. On the other hand, the backend development is carried out in VB.NET and noSQL. Experience with noSQL will be gained through working ...

high-quality investment research solutions, collaborating with business analysts and engineers. Ideal candidates have over 7 years of experience in web application development using JavaScript, REST, and modern frameworks. Responsibilities include coordinating IT projects and implementing AI-driven enhancements. #J-18808-Ljbffr ...

application and broader technology ecosystem, driving both. Key responsibilities include: Identify and resolve architectural and performance issues. Technical requirements: TypeScript React (Next.js) React Native JavaScript Node.js NestJS Experience with cross‐platform mobile application development. Compensation: Competitive. Role type: Full time. Visa sponsorship: Not provided. #J-18808-Ljbffr ...

financial connectivity provider for the front office. They specialize in creating low-latency, high-volume transactions. Technology Stack Web-based developments primarily utilize Java, JavaScript, and HTML5. All server-side software is developed and deployed on Linux. Responsibilities The Java development team is currently responsible for... ``` #J-18808-Ljbffr ...

clean, efficient code. You'll collaborate with cross-functional teams and mentor junior developers to elevate coding practices. The ideal candidate should have strong JavaScript and TypeScript skills, with a commitment to diversity and inclusion within the workplace. #J-18808-Ljbffr ...

Engineer London, United Kingdom Posted 10 months ago This role is posted by our partner Jooble. La Fosse Associates Tech Stack Amazon AWS JavaScript Python Artificial Intelligence Node.js Responsibilities Working closely with developers to define technical direction. Taking ownership of backend services and AI components across the platform. Technical Requirements ...

tech is. Our client is innovative and accountable. Additional Exposure To the following is desired: Tech Stack you will learn Hadoop and Flink RUST, Javascript, React, Redux, Flow Linux, Jenkins Kafka, Avro, Kubernetes, Puppet Involvement in the Java community My client is based in London. #J-18808-Ljbffr ...

develop and manage fixed-income asset management systems. The ideal candidate will have experience in cloud-native technologies, particularly AWS, and proficiency in C#, JavaScript, and other related technologies. Responsibilities include building secure applications, mentoring junior developers, and integrating various systems and services. A Bachelor's degree in a relevant ...

This role offers a competitive salary of £90,000 plus performance bonuses of 10% to 40%. Ideal candidates will possess strong skills in JavaScript, React, and other modern technologies. Prior experience in finance is not a requirement. You will be working in an innovative tech environment that encourages learning ...

least 10 years of experience in product design or a related discipline, a strong proficiency in front-end technologies like HTML, CSS, and JavaScript, and a solid understanding of modern AI technologies. #J-18808-Ljbffr ...

governance and deployment standards Challenge existing processes and identify opportunities where Dynamics can improve efficiency, user experience and business outcomes Solid experience with C#, Javascript, Power Automate, PowerBI and Power Apps If this role sounds of interest and you would like to know more do not hesitate to contact ...

Excellent communication skills with technical and non-technical colleagues and stakeholders Strong experience with Microsoft Dataverse Experience with Power Platform ALM practices Familiarity with JavaScript, TypeScript, or other relevant languages, desirable Use of GitHub for deployment pipelines and repositories, desirable If you are ready for a respected role ...

technologies relevant to the ServiceNow integration solutions including: Integration Hub, SSO, Web Services, LDAP, JDBC, etc. Experience in scripting on the ServiceNow platform using JavaScript, CSS and Angular JS: Flows, Business Rules, Client Scripts, UI Actions, Widgets and UI Pages Ability to author clear and comprehensive documentation ...

tooling and AI‐assisted development practices to increase delivery speed and quality What They’re Looking For 5+ years of software engineering experience (TypeScript, JavaScript, Nest JS etc) Backend focused Engineering Experience working within a strong, engineering culture environment Strong product mindset and genuine interest in understanding customer problems Comfortable ...

business and customer problems. Essential Skills Knowledge of GCP cloud architecture, development and deployment, including Kubernetes (K8s ) Strong coding skills using languages such as JavaScript, Python and Java Experience in UX/UI design Experience across AI/ML, generative design and 3D engines, such as Unity Strong rapid-prototyping ...

Platforms. Experience & Education: Bachelor’s degree and 3+ years of experience in digital marketing/data analytics. Bonus Skills: Basic SQL/Python/JavaScript, GA4 BigQuery exports, data warehousing (Snowflake/BigQuery), or behavioural analytics tools (Hotjar, Microsoft Clarity). ...