51 to 75 of 1,091 Permanent ECMAScript Jobs

.NET Developer

Hiring Organisation
Noir
Location
Wakefield, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

.NET Developer - Stansted

Hiring Organisation
Noir
Location
Stansted, England, United Kingdom
application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, Azure Cosmos DB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

.NET Developer

Hiring Organisation
Noir
Location
Lavant, Chichester, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

.NET Developer - Newcastle-under-Lyme

Hiring Organisation
Noir
Location
Newcastle-Under-Lyme, England, United Kingdom
application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, Azure Cosmos DB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

Senior Full Stack Engineer

Hiring Organisation
Impala Search
Location
London, United Kingdom
high-growth environments. What You’ll Bring 5+ years of experience building large-scale, production-grade web applications. Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing ...

Senior QA Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
building scalable quality solutions. Key Skills & Experience Proven experience in end-to-end test automation in production environments (6+ years) Strong programming skills in JavaScript, TypeScript, Python, or C# Experience designing test frameworks and automation architecture Solid API and UI automation experience (e.g. Playwright, Cypress, or similar) Strong understanding ...

C# Developer

Hiring Organisation
Pure Talent Group
Location
WS2 9JS, Walsall, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
Exposure to CI/CD pipelines and DevOps practices Experience working with microservices architectures Familiarity with front-end technologies such as HTML, CSS and JavaScript Benefits Salary up to £65,000 depending on experience Performance-related bonus opportunities Hybrid and flexible working arrangements 25 days holiday plus bank holidays Half ...

Full Stack Engineer

Hiring Organisation
Addition+
Location
Milton keynes, United Kingdom
best practice (e.g. GitHub Copilot). Mentor engineers, encourage knowledge sharing, and help shape the wider engineering culture. Main Skills Needed: Expert knowledge of JavaScript, TypeScript, React (Hooks, Redux), HTML5 and CSS/SASS. Strong experience designing backend services in Kotlin or Java with REST and OpenAPI. Proven experience ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
City of London, Greater London, UK
Databricks development and deployment. Optimise Databricks workloads for performance and cost. Need to program using the languages such as SQL, Python, R, YAML and JavaScript Data Integration: Integrate data from various sources, including relational databases, APIs, and streaming data sources. Implement data integration patterns and best practices. Work with ...

Senior Data Engineer

Hiring Organisation
Mastek
Location
Cardiff, United Kingdom
Databricks development and deployment. Optimise Databricks workloads for performance and cost. Need to program using the languages such as SQL, Python, R, YAML and JavaScript Data Integration: Integrate data from various sources, including relational databases, APIs, and streaming data sources. Implement data integration patterns and best practices. Work with ...

Full Stack Developer

Hiring Organisation
OpenSourced Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Development experience Strong PHP development experience, ideally PHP 8+ Experience with Laravel or Symfony frameworks Strong React development experience Experience with NextJS and modern JavaScript frameworks PostgreSQL database development experience Experience writing automated tests using PHPUnit, Pest or similar Knowledge of RESTful APIs and third-party integrations Git version control ...

Software Architect

Hiring Organisation
RX Global
Location
Greater London, United Kingdom
Employment Type
Full Time
microservices, event-driven), with experience in system design and modelling (e.g., UML, C4) Proficient in one or more languages such as C#, Python, or JavaScript/TypeScript Hands-on experience with AWS (and/or Azure, GCP), focusing on scalability, resilience, and cost efficiency Familiar with DevOps & CI/ ...

Principal Software Development Engineer in Test (SDET)

Hiring Organisation
Capco
Location
Borough of Tameside, United Kingdom
Employment Type
Full Time
platforms such as BrowserStack, Sauce Labs, or Appium Solid understanding of test lifecycle tools such as Jira, Jenkins, GitHub, SonarQube Strong knowledge of HTML, JavaScript, CSS, ReST, JSON, and accessibility standards Bonus Points For Development background and coding experience in Java, Ruby, or Python Load and performance testing experience using ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban) Strong programming skills in Java, C#, JavaScript/TypeScript , or similar Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured Experience with integration testing, test strategy , and test ...

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Senior Java Software Engineer

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
with cross-functional Agile and DevOps implementation teams Requirements Proficiency in most of these technologies: Java 17 or higher, Spring/Spring Boot, a JavaScript/TypeScript tool (React, Angular, etc), SQL, with a willingness to learn the others Experience with build tools, Git and continuous integration (GitHub Actions/ ...

Software Design Engineer

Hiring Organisation
Banner Lane
Location
Shrivenham, Oxfordshire, UK
routing, VPN, and firewall configuration Continuous integration and delivery tools such as Jenkins and GitLab Configuration and manipulation of data within SQL databases JavaScript and HTML web development Embedded Linux build systems such as the Yocto Project OS-level containerisation tools including Docker Cloud or virtualisation platform administration ...

Software Design Engineer

Hiring Organisation
Banner Lane
Location
Shrivenham, England, United Kingdom
routing, VPN, and firewall configuration Continuous integration and delivery tools such as Jenkins and GitLab Configuration and manipulation of data within SQL databases JavaScript and HTML web development Embedded Linux build systems such as the Yocto Project OS-level containerisation tools including Docker Cloud or virtualisation platform administration ...

Lead Software Engineer

Hiring Organisation
TPXimpact | B Corp™
Location
United Kingdom
polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Senior Software Engineer

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
tools to augment software development Experience with financial or billing-related systems is a plus Basic experience building Node.js services using JavaScript or TypeScript is beneficial Our Offer Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Application Engineering Lead (Java, Python, Angular, Microservic- Manchester, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
Manchester, United Kingdom
Employment Type
Full Time
Proven related work experience including development experience Undergraduate degree or equivalent combination of training and experience although graduate degree is preferred Experience with Java JavaScript HTML CSS SQL and modern frameworks Familiarity with microservice architecture API design and integration patterns Knowledge of AWS services and cloudbased deployment models Strong understanding ...

Software Engineer, Full-Stack Applications - Ratings Technology

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
Boot, Maven, and 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 ...