1,701 to 1,725 of 2,623 JavaScript Jobs

2027 Blackstone Technology & Innovation Software Developer Analyst (London)

Location
Greater London, England, United Kingdom
deploy, and support Blackstone Innovations’ suite of applications. Our custom-built applications are mostly developed in Python or C# on the .NET platform with JavaScript/React/Node.js and hosted within AWS. We take full advantage of cloud native container-based and serverless architectures. We also build robust data … create containerized microservices Automate infrastructure configuration using Terraform and Puppet Use tools such as Airflow and Snowflake to build data pipelines Integrate various JavaScript libraries such as React to deliver seamless user experiences Design data models and persist data to SQL Server Use T‐SQL to manipulate and transform data ...

Full Stack Developer

Location
Greater London, England, United Kingdom
writing maintainable, reusable code. Experience writing automated tests using tools such as PHPUnit and/or Pest. Experience with modern front-end development and JavaScript frameworks such as React, Vue or similar. A good understanding of HTML, CSS and responsive web development. Experience using Git and working within structured development … Azure or similar. Experience developing and consuming RESTful APIs. Experience with application performance optimisation, including database queries and efficient application code. Experience with modern JavaScript tooling and front-end build processes. An interest in emerging AI technologies and how they can be applied responsibly to improve software development and digital ...

Software Engineer - Security & Intelligence

Hiring Organisation
Hackajob Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
with opportunities to contribute across API development, cloud-native services and data integration. Typical responsibilities include: Developing software services using languages such as Java, JavaScript, TypeScript, Python or C++ Building full-stack applications using frameworks such as React, Node.js, Spring Boot, Next.js or similar Designing and developing APIs, microservices … modern software engineering practices, frameworks and secure application development across HMG-style technology estates Proficiency in one or more programming languages such as Java, JavaScript, TypeScript, Python or C++, with experience building APIs and full-stack applications Experience designing and developing distributed systems, including microservices, event-driven architectures and high ...

Full Stack Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Salary
£ 55 K
We are looking for a Full Stack Software Engineer who will be responsible for building new websites and web applications whilst helping to maintain existing websites.This involves working closely with the creative team to produce ...

Full-Stack Developer & Development Team Lead

Location
Greater London, England, United Kingdom
We are looking for an experienced Full-Stack Developer & Development Team Lead with strong hands-on experience in building and maintaining modern web applications. The ideal candidate will combine strong frontend and backend development skills ...

Full Stack ASP.NET JavaScript Developer- Edinburgh

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Full Stack ASP.NET JavaScript Developer70,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a Full Stack ASP.NET JavaScript Developer to join our high profile client. Our client is the world leader in Market data management systems, with clients globally such as most of the major … different technologies and we encourage people to actively develop their skills in areas they aren't familiar with. We are looking for an experienced JavaScript engineer who has worked with React or Angular in previous roles. We have multiple platforms, some that are built with Angular and some with React ...

Full Stack ASP.NET JavaScript Developer- Tunbridge Wells

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Full Stack ASP.NET JavaScript Developer70,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a Full Stack ASP.NET JavaScript Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment … different technologies and we encourage people to actively develop their skills in areas they aren’t familiar with.We are looking for an experienced JavaScript engineer who has worked with React or Angular in previous roles. We have multiple platforms, some that are built with Angular and some with React ...

Fullstack Engineer (DV Clearance) - Cloud Native, 37.5h

Location
Cheltenham, England, United Kingdom
Infoserv Systems Ltd in Cheltenham is seeking a Fullstack Engineer to join our delivery teams, focusing on modern JavaScript and Java applications, with cloud native deployments in OpenShift and Kubernetes. You will work across distributed architectures, implement Web API integrations, and contribute to observability and security practices. A DV clearance ...

Senior Software Engineer - FinTech & Tokenization Platform

Location
Greater London, England, United Kingdom
tokenization. You will design and maintain scalable solutions while collaborating with product teams. With over 5 years of experience expected, proficiency in TypeScript or JavaScript is essential. This position offers a dynamic and ambitious working environment in London, with significant responsibilities and the chance for impactful work. #J-18808-Ljbffr ...

Quality Test Engineer - Automation & Performance Expert

Location
Greater London, England, United Kingdom
frameworks, and partner with Product, Engineering, and Operations to ensure delivery of high-quality software on time. You will work with Playwright (TypeScript/JavaScript) and REST Assured for API testing, while applying root-cause analysis and risk-based testing to elevate overall product quality and #J-18808-Ljbffr ...

Software Engineer – Ads & Commercial Dev (Hybrid)

Location
Greater London, England, United Kingdom
Media unit seeks a Software Engineer – Ads & Commercial Development to design, build and optimize ad‐tech platforms with a focus on backend JavaScript, containerized services, and scalable CI/CD pipelines. The role offers a hybrid work model in London, requiring two days in the office, and is a permanent ...

Remote Senior Supply Chain Solution Consultant

Location
United Kingdom
role is remote with substantial travel and collaboration with Fortune 500 clients. Ideal candidates bring advanced supply chain expertise, strong SQL/R/JavaScript skills, and a proven track record in #J-18808-Ljbffr ...

Senior Backend Engineer, AI-Driven Flow Registry

Location
United Kingdom
scalable capabilities across the Duo Workflow Service and the GitLab monolith. You'll also work across the stack when needed, bringing familiarity with JavaScript and frontend development to support the #J-18808-Ljbffr ...

Frontend Developer (React) — Hybrid, Build Great UIs

Location
Bexhill-on-Sea, England, United Kingdom
Hastings Direct is seeking a Digital Developer (Front End) to build and maintain modern, scalable front-end applications using JavaScript and React.js. Hybrid working from Bexhill or Leicester, collaboration with UX/UI, backend, and product teams to deliver seamless user experiences. Key responsibilities include code development, testing, reviews ...

AEM Solutions Architect — Web & API Integrations

Location
Birmingham, England, United Kingdom
websites. You will advise on architectures, guide discovery, and align stakeholder needs with scalable digital experiences. Candidates should have strong Java/HTML/JavaScript experience, liaison capabilities across teams, and a solid SDLC background. Expect Agile SCRUM practices and a mix of on-site client engagement and internal delivery. ...

Senior Growth Full-Stack Engineer — Onboarding & Funnels

Location
Greater London, England, United Kingdom
journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal candidate will have strong TypeScript and JavaScript skills, along with a passion for optimizing user experiences. This is an exciting opportunity to make a significant impact on the team and product. #J ...

Web Developer — PHP/Laravel, Payments & E-commerce

Location
Greater London, England, United Kingdom
integrate payments and subscriptions as part of a brand-new website launch in 2024. You should have strong PHP, Laravel and WordPress skills, plus JavaScript, JQuery and HTML/CSS expertise. Experience with e-commerce payments and gambling/gaming projects is a plus. #J-18808-Ljbffr ...

Staff Software Engineer, CRM & Integration Orchestration

Location
City of Edinburgh, Scotland, United Kingdom
between Addepar and 3rd party systems, delivering scalable solutions and high-quality engineering processes. You will work primarily with Java, Temporal, Apex (Salesforce language), JavaScript (Ember/LWC) and Python, collaborating with product and design to ship robust integrations. Visa sponsorship is not available for this role. #J-18808-Ljbffr ...

Frontend Developer - Vite.js (Hybrid London)

Location
Greater London, England, United Kingdom
one. The role focuses on hands-on development, quick understanding of the codebase, and collaboration with product and UX to ship features using JavaScript, HTML, CSS and Bootstrap within an MVC framework. #J-18808-Ljbffr ...

Senior Frontend Engineer - SDK & Secure Auth (React/TS)

Location
Greater London, England, United Kingdom
services firm is looking for a Senior Frontend Developer to join their Customers Identity & Access Management team. This role involves owning and maintaining a JavaScript SDK built with React and TypeScript, ensuring secure integration of their authentication system. The ideal candidate has proven experience in frontend development with strong expertise ...

Senior Digital Engineer - Lead React & Front-End (Hybrid)

Location
Leicester, England, United Kingdom
with a hybrid working model, you'll oversee the software development lifecycle, provide technical leadership, and mentor junior developers. Ideal candidates will have strong JavaScript and React JS expertise, with experience in UI/UX, debugging, and front-end technologies. Join us to innovate in a dynamic insurance environment that ...

Remote Software Engineer — AI-Powered PHP/JS with Ownership

Location
West of England, England, United Kingdom
ADLIB in the United Kingdom is seeking a Software Engineer to join a fast-paced tech team, delivering PHP/JavaScript solutions across a varied product ecosystem. You’ll translate business requirements into robust software and engage with AI-assisted development tools. You’ll work remotely with ...

Senior Software Engineer (Angular/AI) – Hybrid UK

Location
West of England, England, United Kingdom
Software Engineer to design, develop, and maintain scalable software in a fast-paced, delivery-focused team. The role emphasizes hands-on Angular, TypeScript, and JavaScript expertise, with independence and strong collaboration across product, architecture, and business stakeholders. Based in the UK, the position is hybrid, requiring three days per week ...

Application Security Engineer: Build Secure Cloud & APIs

Location
United Kingdom
security, cloud-native architectures, and container security. Leverage your expertise across OWASP Top 10, threat modelling and security automation in Python/JavaScript, with exposure to Azure DevOps and GitHub #J-18808-Ljbffr ...

Software Engineering Lead — Investigations & Crypto (Hybrid)

Location
Greater London, England, United Kingdom
will lead a team dedicated to developing scalable applications and APIs while balancing technical quality with business needs. Ideal candidates have mentoring experience, strong JavaScript/TypeScript skills, and a passion for building impactful products. This role offers hybrid working options and various employee benefits, including private health insurance ...