ECMAScript Job Vacancies

276 to 300 of 3,261 ECMAScript Jobs

Full Stack Engineer (Team Lead)

London, United Kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Full Stack Engineer (Team Lead)

Liverpool, Merseyside, North West, United Kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Backend Golang Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Ignite Digital Search Ltd
maintainable, scalable, and production-ready code Desirable: CI/CD pipeline experience (GitHub Actions preferred) Experience with microservices , Kubernetes , or serverless architectures Infrastructure automation using Terraform Frontend experience with JavaScript , TypeScript , or frameworks like Svelte , React , or Vue Understanding of gRPC and distributed systems Interest in full-stack development or DevOps tasks Whats In It for You Be part of More ❯
Employment Type: Permanent, Work From Home
Salary: £40,000
Posted:

Full Stack Engineer (Team Lead)

Warrington, Cheshire, UK
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Posted:

Full Stack Engineer (Team Lead)

Birkenhead, Merseyside, UK
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
are looking for .NET Developer who have experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. These .NET Developer positions come with the More ❯
Employment Type: Full-Time
Salary: £80,000 - £100,000 per annum
Posted:

UI Front- End Developer with Security Clearance

Ashburn, Virginia, United States
TAIG (Tactical Analytic & Intelligence Group)
End Developer with Spring Boot and Microservices experienceto join our team in Ashburn, Virginia. The UI Front-End Developer will actively engage in building single page applications using modern JavaScript framework and libraries. The candidate will apply front end development experience to build reusable components and libraries. The candidate will work in an agile team and deploy applications in cloud More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full Stack Engineer (Team Lead)

London, South East, England, United Kingdom
Hybrid / WFH Options
Evermore Global
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Employment Type: Full-Time
Salary: £78,000 - £84,000 per annum, Negotiable, Pro-rata
Posted:

Full Stack Engineer (Team Lead)

Old Swan, Merseyside, UK
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Posted:

Senior Java Developer

Wishaw, Lanarkshire, United Kingdom
DVT
Development : Design and manage APIs using OpenAPI (YAML), SOAP, RESTful services, and GraphQL . Front-End Integration : Collaborate with front-end teams working with ReactJS, VueJS, Angular, TypeScript, and JavaScript to deliver seamless user experiences. Backend Expertise : Work with powerful backend technologies such as Apache Kafka, JMS, JTA, AMQP, and enterprise web services . Architecture Patterns : Implement event-driven architectures More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer (Team Lead)

old swan, north west england, united kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring More ❯
Posted:

.NET Developer

Gloucester, Gloucestershire, England, United Kingdom
Hybrid / WFH Options
Noir
are looking for .NET Developer who have experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. These .NET Developer positions come with the More ❯
Employment Type: Full-Time
Salary: £45,000 - £60,000 per annum
Posted:

Apprentice Software Engineer

Urmston, Lancashire, United Kingdom
Getting In Limited
Contributing to the refinement of organisational processes & procedures Development work processes using the Scrum methodology Apprentices will gain experience in: C# with ASP.NET in Visual Studio HTML, CSS, Ajax, Javascript, jQuery, iOS Objective C/Swift. SQL Server/authoring fast SQL queries/sprocs AWS microservices APIs GIT Source Control Software architecture principles Agile development practices Key Details Vacancy More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Developer

Loughton, Essex, England, United Kingdom
Avanti
and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Senior Developer

Chigwell, Essex, United Kingdom
Avanti Recruitment
and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯
Employment Type: Permanent
Salary: £100000 - £120000/annum
Posted:

Senior Software Developer

Loughton, Essex, England, United Kingdom
Avanti
and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Mid-Level Software Engineer

Loughton, Essex, United Kingdom
Avanti Recruitment
and peers in scrum meetings. Technical Stack: ASP.NET 4.6+ MVC 5 C# 6+ including advanced language features (generics, lambdas, delegates) Entity Framework 6+ SQL Server 2014+ TDD/NUnit JavaScript/jQuery/AJAX, HTML5, CSS3 Design Patterns and SOLID Principles Desirable experience: ASP.NET Core, Entity Framework Core Azure Service Bus Vue, AngularJS Agile methodologies/Scrum Automated browser testing More ❯
Employment Type: Permanent
Salary: £100000 - £120000/annum
Posted:

Senior Data Engineer

City of London, London, United Kingdom
Mastek
services. Implement best practices for 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 API developers to ensure seamless data More ❯
Posted:

Senior Data Engineer

London Area, United Kingdom
Mastek
services. Implement best practices for 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 API developers to ensure seamless data More ❯
Posted:

Quant Developer - Equity Derivatives

London, United Kingdom
UBS Financial Services
team player with a strategic outlook and rapid application development skills. Strong technical skills in at least one core programming language (Java or C#) and one scripting language (Python, JavaScript, ReactJS + TypeScript). Solid understanding of data structures and algorithms. Knowledge of web development, Equity Derivatives, Kafka, Kubernetes, Docker, SQL, KDB, Excel/VBA, and Unix programming is a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - React/AWS with Security Clearance

Lexington Park, Maryland, United States
Hybrid / WFH Options
Spalding, a Saalex Company
or SQL Server database experience may be considered. DoD application experience, including DISA STIGs a plus. Experience in any of the following desired: GitLab, C#, TypeScript, Visual Studio Code, JavaScript, React, Material UI, and/or Amazon QuickSight. Security Clearance: Must be eligible to obtain a Secret clearance. Active Secret clearance desired, interim Secret acceptable to start. Requirements to obtain More ❯
Employment Type: Permanent
Salary: USD 155,000 Annual
Posted:

Senior Software Engineer (Backend)

Edinburgh, United Kingdom
Hybrid / WFH Options
Lloyds Bank plc
Jenkins CI/CD, Nexus, SonarQube SQL/NoSQL databases, basic Unix/Linux skills, TDD with JUnit Preferred additional skills Experience with Spring Boot and Hibernate Experience with JavaScript or other front-end technologies Building microservice architectures and event-driven systems Test automation: BDD, mocking, contract testing, SAST Knowledge of web technologies, data tooling, infrastructure, and networking About working More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer with Security Clearance

Reston, Virginia, United States
Marathon TS Inc
the GovCon industry. Location: Reston, VA Security Clearance: TS/SCI with Full Scope Poly Responsibilities: Participate in software programming initiatives to support innovation and enhancement, using HTML, CSS, JavaScript, Java, Python, SpringBoot, Hibernate, and Angular. Developing and directing software system validation and testing methods using Junit and Katalon Develop and integrate custom developed software solutions to leverage automated deployment More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer I/II with Security Clearance

Newport News, Virginia, United States
Caribou Thunder, LLC
of software lifecycle and ability to interpret static code analysis Effective communicator and collaborative team player with attention to detail Preferred: Programming languages: C, C++, C#, .NET, Python, Perl, JavaScript, Ansible Frameworks: Spring, Vue.js Tools: Git, JIRA, Jenkins, Bitbucket, Confluence Platforms: Windows, Linux, Virtual Machines, OCI Containers Concepts: DevSecOps, TDD, CI/CD, container orchestration (e.g., Kubernetes) C2 Systems, STIG More ❯
Employment Type: Permanent
Salary: USD 80,000 Annual
Posted:

Software Engineer Mid with Security Clearance

Newport News, Virginia, United States
Caribou Thunder, LLC
of software lifecycle and ability to interpret static code analysis Effective communicator and collaborative team player with attention to detail Preferred: Programming languages: C, C++, C#, .NET, Python, Perl, JavaScript, Ansible Frameworks: Spring, Vue.js Tools: Git, JIRA, Jenkins, Bitbucket, Confluence Platforms: Windows, Linux, Virtual Machines, OCI Containers Concepts: DevSecOps, TDD, CI/CD, container orchestration (e.g., Kubernetes) C2 Systems, STIG More ❯
Employment Type: Permanent
Salary: USD 98,000 Annual
Posted: