ECMAScript Jobs in London

351 to 375 of 1,278 ECMAScript Jobs in London

Software Developer

London, United Kingdom
Big Red Recruitment Midlands Limited
contribute to the future front-end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we re looking for: 5+ years experience in backend or full stack development Strong knowledge of Node.js More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 87,000 Annual
Posted:

.NET Architect

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
successful company! Successful .NET Architect candidates should be able to demonstrate strong knowledge of: .NET 9/.NET Core/ASP.NET MVC, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and Azure SQL. Training will be provided in any of the technologies you lack, allowing you to turn your technological weaknesses into your greatest strengths! The More ❯
Employment Type: Full-Time
Salary: £80,000 - £100,000 per annum
Posted:

Lead Software Engineer

London, United Kingdom
The Difference Engine
engineering/computer science fundamentals While a polyglot mindset is important, a background in a strongly typed OO language is highly valued (C#, Java), as is experience with React, JavaScript/Typescript on the Front End AWS preferably, though other public cloud experience is accepted Experience of building feature rich products that users love, while ensuring scalability, performance and security More ❯
Employment Type: Permanent
Salary: GBP 120,000 Annual
Posted:

Software Developer

London, Old Street, United Kingdom
Big Red Recruitment Midlands Limited
contribute to the future front-end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we’re looking for: 5+ years’ experience in backend or full stack development Strong knowledge of Node.js More ❯
Employment Type: Permanent
Salary: £50000 - £87000/annum £50 000 - £87 000
Posted:

Software Developer

North East London, London, England, United Kingdom
Big Red Recruitment
contribute to the future front-end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we’re looking for: 5+ years’ experience in backend or full stack development Strong knowledge of Node.js More ❯
Employment Type: Full-Time
Salary: £50,000 - £87,000 per annum
Posted:

Microsoft Teams Developer

London, South East, England, United Kingdom
Jonothan Bosworth
examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . Experience with Microsoft Teams app development or Microsoft More ❯
Employment Type: Contractor
Rate: £200 - £500 per day
Posted:

AWS DevOps Engineer

City, London, United Kingdom
Hybrid / WFH Options
Bristow Holland Ltd
infrastructure-as-code tools such as Terraform or CloudFormation. Proficient with CI/CD and development tools such as Jenkins, Git, and Docker. Advanced scripting skills in TypeScript or JavaScript (TypeScript preferred). Experience with other languages such as Go is also welcome. Excellent problem-solving and troubleshooting skills. Strong communication and collaboration abilities, working effectively in Agile teams. Knowledge More ❯
Employment Type: Permanent
Salary: GBP 70,000 - 80,000 Annual
Posted:

Full Stack Web Developer (Next.js / Node.js)

Croydon, Cambridgeshire, UK
Al-Khair Foundation
help shape workflows, code standards, and onboard future developers. Deploy and maintain apps using modern cloud setups (Vercel, AWS, etc.) and CI/CD pipelines. Requirements Strong experience with JavaScript, TypeScript, and Node.js. Proven track record with Next.js (ideally v15 with App Router). Hands-on with backend frameworks (Node.js/Nest.js). Experience with Prisma, PostgreSQL, MongoDB, and Mongoose. More ❯
Posted:

AWS DevOps Engineer

Broad Street, Greater London, United Kingdom
Hybrid / WFH Options
Bristow Holland Ltd
infrastructure-as-code tools such as Terraform or CloudFormation. Proficient with CI/CD and development tools such as Jenkins, Git, and Docker. Advanced scripting skills in TypeScript or JavaScript (TypeScript preferred). Experience with other languages such as Go is also welcome. Excellent problem-solving and troubleshooting skills. Strong communication and collaboration abilities, working effectively in Agile teams. Knowledge More ❯
Employment Type: Permanent
Salary: £70000 - £80000/annum - Offering 100% Work from home
Posted:

AWS DevOps Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Bristow Holland
infrastructure-as-code tools such as Terraform or CloudFormation. Proficient with CI/CD and development tools such as Jenkins, Git, and Docker. Advanced scripting skills in TypeScript or JavaScript (TypeScript preferred). Experience with other languages such as Go is also welcome. Excellent problem-solving and troubleshooting skills. Strong communication and collaboration abilities, working effectively in Agile teams. Knowledge More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

NetSuite Developer

London, UK
Glow Services Corp
of NetSuite Development experience · Proven experience as a NetSuite Developer with a strong portfolio of completed projects. · In-depth knowledge of NetSuite, SuiteScript, SuiteBuilder, SuiteFlow, and SuiteAnalytics. · Experience with JavaScript, SQL, and web technologies (HTML, CSS). · Experience with SuiteCloud Development Framework (SDF). · Comfortable in creating and testing processes, documentation development and end-user training. · Experience of testing software More ❯
Posted:

Senior Security Engineer CIAM

City of London, London, United Kingdom
Hybrid / WFH Options
Sanderson Recruitment
based and attribute-based access controls - Cryptographic protocols and secure key lifecycle management - Securing microservices, APIs, and DevSecOps best practices Skilled in penetration testing and hands-on coding with JavaScript, Java, or Python Strong understanding of vulnerability scanning, remediation, and vendor management Collaborative mindset with the ability to partner across engineering, security, and product teams Desirable Skills: Hands-on configuration More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Software Engineer

Greater London, England, United Kingdom
Burns Sheehan
your squad and the wider engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on More ❯
Posted:

Front Office Technical Team Lead

City of London, London, United Kingdom
CMC Markets UK Plc
the following would be beneficial: Understanding of authentication, authorization and endpoint security Exposure to CEP Engines (Esper) or other live stream aggregation technologies Exposure to C#/HTML/JavaScript Exposure to AWS/Terraform, CI/CD pipelines CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
fanvue
. Write clean, maintainable code and contribute to internal documentation. Support ongoing improvements to developer experience and internal tooling. 👀Who You Are: Must-haves: Proficiency in React and modern JavaScript/TypeScript. Experience with React-Admin and Material UI (MUI). Solid understanding of Prisma and relational databases like PostgreSQL. Familiarity with internal tool development and business-focused UIs. Comfort More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
fanvue
. Write clean, maintainable code and contribute to internal documentation. Support ongoing improvements to developer experience and internal tooling. 👀Who You Are: Must-haves: Proficiency in React and modern JavaScript/TypeScript. Experience with React-Admin and Material UI (MUI). Solid understanding of Prisma and relational databases like PostgreSQL. Familiarity with internal tool development and business-focused UIs. Comfort More ❯
Posted:

Software Development Manager

London Area, United Kingdom
Hybrid / WFH Options
Recruit with Purpose
related field. Brings expertise in enterprise architecture, data governance, and cybersecurity. Lives and breathes modern platforms and practices, think AWS/Azure, DevOps, Terraform, Git. Background coding in HTML, JavaScript, and SQL when needed, but also thinks big picture. Has experience leading teams, managing risk, and delivering under pressure. Knows how to build partnerships, negotiate contracts, and navigate complex stakeholders. More ❯
Posted:

Software Development Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Recruit with Purpose
related field. Brings expertise in enterprise architecture, data governance, and cybersecurity. Lives and breathes modern platforms and practices, think AWS/Azure, DevOps, Terraform, Git. Background coding in HTML, JavaScript, and SQL when needed, but also thinks big picture. Has experience leading teams, managing risk, and delivering under pressure. Knows how to build partnerships, negotiate contracts, and navigate complex stakeholders. More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
fanvue
. Write clean, maintainable code and contribute to internal documentation. Support ongoing improvements to developer experience and internal tooling. Who You Are: Must-haves: Proficiency in React and modern JavaScript/TypeScript. Experience with React-Admin and Material UI (MUI). Solid understanding of Prisma and relational databases like PostgreSQL. Familiarity with internal tool development and business-focused UIs. Comfort More ❯
Posted:

Software Development Manager

london, south east england, united kingdom
Hybrid / WFH Options
Recruit with Purpose
related field. Brings expertise in enterprise architecture, data governance, and cybersecurity. Lives and breathes modern platforms and practices, think AWS/Azure, DevOps, Terraform, Git. Background coding in HTML, JavaScript, and SQL when needed, but also thinks big picture. Has experience leading teams, managing risk, and delivering under pressure. Knows how to build partnerships, negotiate contracts, and navigate complex stakeholders. More ❯
Posted:

Senior Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
fanvue
. Write clean, maintainable code and contribute to internal documentation. Support ongoing improvements to developer experience and internal tooling. Who You Are: Must-haves: Proficiency in React and modern JavaScript/TypeScript. Experience with React-Admin and Material UI (MUI). Solid understanding of Prisma and relational databases like PostgreSQL. Familiarity with internal tool development and business-focused UIs. Comfort More ❯
Posted:

Software Development Manager

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Recruit with Purpose
related field. Brings expertise in enterprise architecture, data governance, and cybersecurity. Lives and breathes modern platforms and practices, think AWS/Azure, DevOps, Terraform, Git. Background coding in HTML, JavaScript, and SQL when needed, but also thinks big picture. Has experience leading teams, managing risk, and delivering under pressure. Knows how to build partnerships, negotiate contracts, and navigate complex stakeholders. More ❯
Posted:

Senior Software Engineer

London Area, United Kingdom
Eunice
complex coding and system design problems. You have deep knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Eunice
complex coding and system design problems. You have deep knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
Eunice
complex coding and system design problems. You have deep knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working More ❯
Posted: