JavaScript Jobs in London

126 to 150 of 809 JavaScript Jobs in London

Engineering Manager

London, United Kingdom
Hybrid / WFH Options
Salt Digital Recruitment
and observability. A proactive mindset, consistently seeking to improve products and processes. Strong problem-solving skills and an analytical, data-driven approach. Proficiency in a recognised programming language (e.g., JavaScript, Python, Java). Preferred Skills: TypeScript, NextJS/React, AWS (Lambda/Step Functions, Postgres/Dynamo, CDK), Jest, Playwright. My client offers a competitive salary, a share incentive scheme More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Consultant /

London, United Kingdom
Damia Group Ltd
Technical skills required: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search engine technology (e.g., Elasticsearch) Big Data Technology experience (Hadoop, Spark, Kafka, etc.) Microservice and cloud native architecture Desirable skills Able to demonstrate experience of troubleshooting and More ❯
Employment Type: Contract
Rate: £550 - £640 per day
Posted:

Technical Consultant

London, United Kingdom
Damia Group Ltd
Technical skills required: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search engine technology (e.g., Elasticsearch) Big Data Technology experience (Hadoop, Spark, Kafka, etc.) Microservice and cloud native architecture Desirable skills Able to demonstrate experience of troubleshooting and More ❯
Employment Type: Contract
Rate: £550 - £640/day
Posted:

Senior Python Developer

London, United Kingdom
BNB Chain
scripting skills in Linux/Unix environments. Excellent understanding of software design principles, testing, and DevOps best practices. Desirable Skills & Exposure: Experience with additional languages (e.g., C++, Java, or JavaScript). Exposure to low-latency systems or real-time data processing. Experience working with messaging systems and market connectivity (e.g., FIX, ECNs). Familiarity with containerization (Docker), CI/CD More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Front-End Senior Software Engineer

London, United Kingdom
SynMax
degree in Computer Science, Engineering, or a related field (or equivalent experience) 7+ years in Software Development 5+ years in Frontend or Web Developmentwith a strong focus on modern JavaScript frameworks (React, Vue, or Angular) Required: React, Typescript, DeckGL, NodeJS, Postgres Desired: Google Cloud Platform Additional Requirements Ability to manage time effectively and meet deadlines. What We Offer Competitive salary More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Graduate Full Stack Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Give a Grad a Go
reviews and shipping features users love. Job requirements – Full Stack Engineer 1st Class in Computer Science from a top University, with equally impressive A Levels. A strong grasp of JavaScript/TypeScript and modern frontend frameworks (React is ideal!). A keen interest in UX, UI, and the user journey—you care about the product experience. Some experience or willingness More ❯
Employment Type: Full-Time
Salary: £40,000 - £45,000 per annum
Posted:

Software Architect

London, United Kingdom
Damia Group Ltd
and in written form Managing stakeholders, including customers and end users Championing quality assurance and best practices Practical software development experience in the full technical stack, e.g. React, Typescript, Javascript, Java, C#, messaging, Elastic, MongoDB and traditional RDBMS such as PostgreSQL. Following an agile development methodology Driving innovation within a team of engineers to find new solutions to difficult problems More ❯
Employment Type: Permanent
Salary: £60000 - £90000/annum benefits
Posted:

Application Architect

London, United Kingdom
Damia Group Ltd
and in written form Managing stakeholders, including customers and end users Championing quality assurance and best practices Practical software development experience in the full technical stack, e.g. React, Typescript, Javascript, Java, C#, messaging, Elastic, MongoDB and traditional RDBMS such as PostgreSQL. Following an agile development methodology Driving innovation within a team of engineers to find new solutions to difficult problems More ❯
Employment Type: Permanent
Salary: £90,000
Posted:

Java Developer

London, United Kingdom
Systematica Group
and would help the team in the data migration process. Knowledge of Apache Flink or Kafka highly desirable or similar technologies (e.g. Apache Spark) Skills in C# WPF or Javascript GUI development beneficial, but not essential. Excellent communication skills. Mathematical. Finance industry experience, with an understanding of market risk; ideally in a similar buy-side environment. Experience building/operating More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack DeFi Web Developer

London, United Kingdom
Hybrid / WFH Options
Re7 Capital
features and enhancements. Implement and maintain interactive UI elements and animations using modern HTML/CSS (including transitions, keyframes, and responsive styling) within PHP-based web applications. Proficiency in JavaScript/TypeScript and PHP. 5+ years of experience in web development, including 3+ years in dApp development. Hands-on experience integrating and interacting with both EVM and Non-EVM smart More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer- Senior

London, United Kingdom
GenTrack
years of intensive professional experience) as a Software Engineer developing commercial software using Java Proficiency in programming languages relevant to the organization's tech stack (e.g., Java, C#, JavaScript, TypeScript) Strong understanding of software architecture, object oriented and microservicedesign patterns, and best practices. Experience with relevant frameworks and tools (e.g., Spring, Hibernate, Bitbucket, Jira. Knowledge of database systems and data More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Engineer

London, United Kingdom
Fundingxchange Limited
You possess a deep understanding of translating product and business goals into great tech. You have experience across the stack with technologies such as: o Coding languages like Java, Javascript, Kotlin o SQL and NoSQL Databases e.g. Postgres and MongoDB o Cloud platforms like AWS o Knowledge of common development frameworks and tools, e.g. React, Spring, Temporal o Nice to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Web Engineering Lead

London, South East, England, United Kingdom
Hybrid / WFH Options
Moneybox
commercial experience, or equivalent. Experience in managing and leading a team. Able to support delivery teams to implement projects and support members personal development. Strong knowledge of HTML, CSS & Javascript/Typescript and modern web standards Experience in creating rich user interfaces and custom components. Ensuring user experience & quality is at the forefront of everything you do. Experience working with More ❯
Employment Type: Full-Time
Salary: £0 per annum
Posted:

Delivery Practice Manager - Data Analytics, ASEAN Professional Services, ASEAN Professional Services

London, United Kingdom
Amazon
as hands on experience on AWS services like SageMaker and Bedrock, and programming skills such as Python, R, SQL, Java, Julia, Scala, Spark/Numpy/Pandas/scikit, JavaScript Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Salesforce Developer

London, United Kingdom
Hybrid / WFH Options
Triad Group PLC
Strong problem-solving and communication skills, with the ability to work effectively in collaborative teams. Exposure to agile delivery methods. Experience with other development languages or frameworks such as JavaScript, Java, Python, or .NET - or a strong willingness to learn and adapt to new technologies as required. Qualifications & Certifications Salesforce Platform Developer I - Required Salesforce Platform Developer II - Desirable Other More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Staff Fullstack Software Engineer, AI Evaluation

London, United Kingdom
Hybrid / WFH Options
Futureshaper.com
In order to set you up for success as a Fullstack Software Engineer at Wayve, we're looking for the following skills and experience. Essential Strong development skills in JavaScript, TypeScript and Python, with experience using React or similar front-end frameworks Strong SQL skills with a solid understanding of database setup, access controls, and optimisation Designing and implementing reliable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Security Engineer - Lead

London, United Kingdom
Smarsh, Inc
security engineering role. Deep expertise in secure software development, secure coding practices, and OWASP Top 10/CWE 25. Strong technical proficiency in modern programming languages (e.g., Python, Java, JavaScript, Go, or C#). Experience with cloud-native security (AWS, Azure, GCP) and securing containerized environments (Docker, Kubernetes). Proficiency in security testing tools such as Burp Suite, Endor, Semgrep More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Front-End Engineer

London, United Kingdom
Hybrid / WFH Options
SPD Technology
is flexible, shifted to later hours till 19-20:00 CET. Team 3 front-end, 1 back-end/devops, 1 QAA, 1 tech lead, 1 manager Tech Stack JavaScript, NextJS, React , AEM Asaqualified expert, You will Play a role as a technical lead in an international team consisting of people from multiple regions. Own key projects in the team More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Platform Engineer

London, United Kingdom
Hybrid / WFH Options
BAE Systems (New)
teams from a mix of disciplines, which allows us to come up with cutting edge, high quality solutions. What background we are looking for: Programmingin one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial, Perforce UtilisingCI/CD tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Application Architect

London, United Kingdom
Hybrid / WFH Options
BAE Systems (New)
and in written form Managing stakeholders, including customers and end users Championing quality assurance and best practices Practical software development experience in the full technical stack, e.g. React, Typescript, Javascript, Java, C#, messaging, Elastic, MongoDB and traditional RDBMS such as PostgreSQL. Following an agile development methodologyDriving innovation within a team of engineers to find new solutions to difficult problems It More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Portfolio Lead Solution Architect Director

London, United Kingdom
Boston Consulting Group
for a global audience Strong understanding of application testing, diagnostics, and performance tuning Strong understanding of TDD and BDD methodologies. And workable knowledge of Data ingestion pipelines Front-end JavaScript frameworks like Angular & React and Vue AWS Azure . click apply for full job details More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Information Technology - Industrial Placement 2026

London, United Kingdom
Industry Placements
applications that keep us at the forefront of technology. You'll develop an impressive level of technical knowledge, using a range of technologies (Java, C#, C++, SQL, Python, Perl, JavaScript, HTML/CSS and others) and frameworks (Spring, Maven, Camel, WPF, Node, React, and many others). Depending on your role, you'll gain an understanding of different financial products More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Information Technology (Visa Sponsorship Available)

London, United Kingdom
Techwaka
applications that keep us at the forefront of technology. You'll develop an impressive level of technical knowledge, using a range of technologies (Java, C#, C++, SQL, Python, Perl, JavaScript, HTML/CSS and others) and frameworks (Spring, Maven, Camel, WPF, Node, React, and many others). Depending on your role, you'll gain an understanding of different financial products More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Level Full-Stack Engineer

London, United Kingdom
Runna
Team: 5+ years of professional experience in software engineering, with a focus on technical leadership/engineering management and driving projects end-to-end. Deep expertise in TypeScript/JavaScript , with a strong foundation across the full stack. Proven track record of leading the architecture and successful delivery of large-scale React-Native mobile applications in a production environment. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Javascript Software Engineer (m/f/d)

London, United Kingdom
Hybrid / WFH Options
Valve Space Ltd
Permanent employee,Full-time UK We are transforming the flexible workspace industry! Valve was founded to propel forward and democratise access to the fast-growing flexible workspace industry. As work transitions to a more distributed and hybrid normal, flexible workspaces More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
JavaScript
London
10th Percentile
£47,500
25th Percentile
£60,000
Median
£85,000
75th Percentile
£115,000
90th Percentile
£137,500