101 to 125 of 1,461 JavaScript Jobs in the UK

Lead Software Engineer - C#, SQL Server Database

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Skills Formal training or certification in software engineering concepts Hands‐on experience in system design, application development, testing, and operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# ...

Senior Salesforce Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical development experience on the Salesforce platform, ideally within a consultancy or fast‐paced enterprise environment. Programming Core: Deep expertise in Apex and JavaScript (ES6+), with strong roots in Object‐Oriented Programming (such as Python, Java or C#) an advantage. Front‐End & UI: Extensive hands‐on experience building modern ...

Devops (Technical Release Engineer )

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
synchronization techniques. Experience with Kubernetes or Docker environments; managing Helm charts or Kustomize for multi‐environment deployments. Proficient in at least one programming language: JavaScript, Python, Java, Groovy, TypeScript, or C++. Deep expertise with CI/CD tools (e.g., GitHub Actions) and deployment automation. Solid grasp of SQL/NoSQL ...

Principle Software Engineer

Hiring Organisation
Jobleads-UK
Location
Retford, England, United Kingdom
development lifecycles, requirements management and traceability - e.g. Agile, V-model, DOORS Must be eligible for UK SC clearance Skills Profile Highly competent in Python, JavaScript (React), Docker and AWS Working knowledge of relational and NoSQL databases (e.g. PostgreSQL, MongoDB, DynamoDB) Expertise in software engineering fundamentals, including object-oriented programming Exposure ...

NET Software Developer - InterSystems Integration

Hiring Organisation
Akkodis
Location
Jersey, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
more important. Essential technical experience: Commercial software development using .NET and C# Microsoft Azure development and cloud-based solution delivery React development Modern JavaScript and/or TypeScript Designing, developing and consuming RESTful APIs Web services and API-led integration Enterprise integration between internal and third-party systems JSON ...

Senior Lead Java Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architecture Deep understanding of relational databases, SQL language and ORM tools Deep understanding of message brokers Experience with front‐end development using HTML, CSS, JavaScript frameworks Experience with Test Driven Development (TDD)/Behavior Driven Development Experience with cloud platforms and container technologies Experience with performance tuning and system optimization ...

Senior Software Developer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
culture where your contributions matter and your growth is supported. What you’ll work on: Develop full‐stack features using C#, .NET, HTML, CSS, JavaScript, and SQL. Write and optimise hand‐crafted SQL queries to ensure high performance. Design and implement event‐driven workflows using Event Store. Enhance search ...

Sr Lead Software Engineer - Java

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
prem cloud solutions Familiarity with messaging platforms such as Kafka, IBM MQ, or MSK Knowledge of modern front‐end technologies like React JS, JavaScript, and TypeScript Why Join Us? At JPMorganChase, you’ll be part of a collaborative team that values your contributions and encourages professional growth. We offer ...

FX Client Platforms - Senior UI Software Engineer (Vice President)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivery standards Essential Experience Solid experience building and deploying complex web application platforms in production Expert-level proficiency in TypeScript, React, HTML5, CSS, and JavaScript (ES6+) Demonstrated experience profiling and optimising high throughput React applications (Web Workers, virtual rendering, memory management) Experience with desktop containers: Chromium, Electron, or OpenFin; familiarity ...

Software Engineer, Portfolio Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
background preferable) SQL Server and data analytical skills Thorough understanding of object orientated programming, computing fundamentals and data structures Experience with Web technologies (HTML, JavaScript Frameworks e.g., Vue, React, Angular, CSS, less) Ability to deliver all aspects of a project from start to finish unassisted Experience with test driven development ...

FX Client Platforms - Senior UI Software Engineer (Vice President)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivery standards Essential Experience Solid experience building and deploying complex web application platforms in production Expert-level proficiency in TypeScript, React, HTML5, CSS, and JavaScript (ES6+) Demonstrated experience profiling and optimising high throughput React applications (Web Workers, virtual rendering, memory management) Experience with desktop containers: Chromium, Electron, or OpenFin; familiarity ...

Principal Automation Test Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Proficiency in performance testing tools like JMeter, Gatling, K6, Neoload, or Webload Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, Scala, or PHP Experience designing and building automation frameworks Familiarity with Agile development environments ( SCRUM, Kanban, TDD, BDD ) Implementing pipelines using common tooling ...

Integration Manager - SC Cleared

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). Preferred technical and professional experience Experience with Java & JavaScript frameworks, such as Spring Boot, React, Angular, and J2EE Familiarity with enterprise integration technologies (Kafka, MQ, IBM Streams, ESBs, ETL, etc.) Good understanding of enterprise ...

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Kingswood, England, United Kingdom
team Collaborate with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering across a variety of languages, e.g. JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

Lead Software Engineer - C#, SQL Server Database

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Skills Formal training or certification in software engineering concepts Hands‐on experience in system design, application development, testing, and operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# ...

Chief Technology Officer (CTO)

Hiring Organisation
Jobleads-UK
Location
Havant, England, United Kingdom
Strong understanding of modern development practices (CI/CD, automated testing, DevOps, cloud‐native architectures). Broad knowledge of the following technology stacks (e.g., JavaScript/TypeScript, Python, .NET, Java, Low‐Code) and experience overseeing full‐stack development. Experience with cloud platforms (AWS, Azure etc.). Strong understanding of data ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 32,000 - 45,000 Annual
overall capability of the multidisciplinary team. Key Responsibilities Software Development: Design, build, and support robust, user-centred web applications using Next.js, React, and modern JavaScript/TypeScript, ensuring clean, performant, and maintainable code. API Integration: Integrate intuitive Front End interfaces with Back End Java Spring Boot microservices and AWS serverless ...

Experienced Full Stack .NET Engineers

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
than typing every line Exposure to building web services using Web API An understanding of database design and development Hands-on experience with HTML, JavaScript, CSS including jQuery Strong attention to detail and work ethic Strong analytical and problem-solving skills Excellent communication (both written and verbal) and interpersonal skills ...

Software Engineer, Full-Stack Applications (Python) - Ratings Technology

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS , Node.js, TypeScript/JavaScript, and modern web development practices • Database Technologies – Hands-on experience with RDBMS databases (e.g., Oracle, PostgreSQL) and NoSQL databases (e.g., MongoDB) • DevOps & Cloud – Experience with ...

Software Engineer (Mid and Senior Levels)

Hiring Organisation
One Big Circle Ltd
Location
City Of Bristol, England, United Kingdom
permissions (AWS), DevOps security, CI/CD, CI/CD tools (GitHub Workflows), Git, Python development, Python testing frameworks (pytest, unittest), JavaScript knowledge (Node.js), RabbitMQ, FFMPEG, Linux systems administration Machine Learning Applied machine learning, computer vision, object detection, image classification, model development and evaluation, data annotation and curation, training pipelines ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Milton Keynes, England, United Kingdom
find the right people and tools to get the job done## **Software skills*** Skillful in at least one programming language (C#, Python, or TypeScript, JavaScript, React Native) developing cross-platform solutions.* Skillful in writing secure, stable, testable, and maintainable code with minimal defects* Skillful in systems design* Demonstrable in software ...

Senior Software Engineer

Hiring Organisation
BP Energy
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Work From Home
find the right people and tools to get the job done Software skills Skillful in at least one programming language (C#, Python, or TypeScript, JavaScript, React Native) developing cross-platform solutions. Skillful in writing secure, stable, testable, and maintainable code with minimal defects Skillful in systems design Demonstrable in software ...

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Gloucester, England, United Kingdom
within your team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

Software Quality Engineer

Hiring Organisation
Helic & Co
Location
United Kingdom
development lifecycle (SDLC) and QA methodologies Experience with automation tools (e.g., Selenium, Cypress, Playwright) Proficiency in at least one programming language (e.g., Java, Python, JavaScript) Familiarity with API testing tools (e.g., Postman, REST Assured) Experience with version control systems (e.g., Git) Strong analytical and problem-solving skills Preferred Skills Experience ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...