ECMAScript Job Vacancies

226 to 250 of 3,894 ECMAScript Jobs

Software Engineer-Developer (Associate, Experienced, Senior)

Saint Louis, Missouri, United States
BOEING
/Experience): Ability to acquire a U.S. Secret Security Clearance (Post-Start). Experience with web-based environment development. 1+ years of experience in software development languages (e.g. Python, JavaScript, C++ and C#). Familiarity with database solutions (e.g. SQL, MongoDB ). Experience with working in an Agile environment Preferred Qualifications (Desired Skills/Experience): Bachelor of Science degree from More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer

London
Hybrid / WFH Options
BAE Systems
organisation who makes a huge impact to the security of the UK. About you You will have experience in many of the following: Programming in 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 Utilising CI/CD More ❯
Employment Type: Permanent
Posted:

Software Engineer

Gloucester, Gloucestershire, South West
Hybrid / WFH Options
BAE Systems
organisation who makes a huge impact to the security of the UK. About you You will have experience in many of the following: Programming in 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 Utilising CI/CD More ❯
Employment Type: Permanent
Posted:

Front End Developer with Security Clearance

Fort Belvoir, Virginia, United States
Apex Systems
Job Title: Application Developer with front end experience Job Locations: US-VA-Fort Belvoir (5 days/week on site) Clearance Level: Top Secret SCI Responsibilities Key Responsibilities: Developing user-facing web applications and interfaces using HTML, CSS, and JavaScript. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Developer

United Kingdom
Hybrid / WFH Options
ZIGUP
Position not right for you? Share it with someone you know. Senior Software Developer Reference: APR Expiry date: 15:51, Fri, 23rd May 2025 Location: Home-Based Salary: Competitive Benefits: Generous annual leave, company pension plus many more! Location: Home More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Application Software Developer

Cambridge, Cambridgeshire, United Kingdom
RedTech Recruitment Ltd
an industry-leading software company in London offering the opportunity to work on a wide variety of web application infrastructure projects. Using a diverse toolset with an emphasis on JavaScript, Node.js and related frameworks, this role is looking for a Developer to lead on the technical front, opposed to team leadership. This is well suited to a seasoned developer, who … + equity + comprehensive benefits Requirements for Lead Application Software Developer Several years of commercial experience within a Software Engineer/Developer role Experience with JavaScript and ideally, node.js and related technologies/frameworks Experience working for a company where SaaS has been implemented in commercial organisations This company values a history of academic excellence, so is looking for a … or 1st class honours degree from a leading university, plus AAB at A Level (or equivalent UCAS points) Ability to quickly pick up new technologies – working in JavaScript you’re aware new technologies/frameworks emerge all of the time, and you will need to stay abreast of the latest and best technologies to apply to any given project Any More ❯
Employment Type: Permanent
Salary: £80000 - £100000/annum Excellent Benefits
Posted:

Lead Application Software Developer

W1, Marylebone High Street, Greater London, United Kingdom
RedTech Recruitment Ltd
an industry-leading software company in London offering the opportunity to work on a wide variety of web application infrastructure projects. Using a diverse toolset with an emphasis on JavaScript, Node.js and related frameworks, this role is looking for a Developer to lead on the technical front, opposed to team leadership. This is well suited to a seasoned developer, who … + equity + comprehensive benefits Requirements for Lead Application Software Developer Several years of commercial experience within a Software Engineer/Developer role Experience with JavaScript and ideally, node.js and related technologies/frameworks Experience working for a company where SaaS has been implemented in commercial organisations This company values a history of academic excellence, so is looking for a … or 1st class honours degree from a leading university, plus AAB at A Level (or equivalent UCAS points) Ability to quickly pick up new technologies – working in JavaScript you’re aware new technologies/frameworks emerge all of the time, and you will need to stay abreast of the latest and best technologies to apply to any given project Any More ❯
Employment Type: Permanent
Salary: £80000 - £100000/annum Excellent Benefits
Posted:

Senior PHP Developer

Maidstone, Kent, United Kingdom
Hybrid / WFH Options
Ganymede Solutions
environment where autonomy and technical input are both valued and encouraged. What you’ll be working with: PHP (Laravel) and MVC frameworks MySQL Backend API development (REST) HTML, CSS, JavaScript, Bootstrap Vue.js or similar JavaScript frameworks Azure DevOps, CI/CD pipelines Linux-based environments What we’re looking for: 6+ years’ experience in a full stack or back-end … developer role Strong professional background with PHP, Laravel, and MySQL Skilled in HTML, CSS, JavaScript, and modern frontend frameworks Familiar with cloud-based tools and version control using Azure DevOps Comfortable working both autonomously and within a collaborative team Proactive, consultative approach to problem-solving Experience developing safety critical systems Nice to have: Experience with React, Node.js, Angular, or additional More ❯
Employment Type: Permanent
Posted:

Senior Full Stack Developer

Maidstone, Kent, United Kingdom
Hybrid / WFH Options
Ganymede Solutions
environment where autonomy and technical input are both valued and encouraged. What you’ll be working with: PHP (Laravel) and MVC frameworks MySQL Backend API development (REST) HTML, CSS, JavaScript, Bootstrap Vue.js or similar JavaScript frameworks Azure DevOps, CI/CD pipelines Linux-based environments What we’re looking for: 6+ years’ experience in a full stack or back-end … developer role Strong professional background with PHP, Laravel, and MySQL Skilled in HTML, CSS, JavaScript, and modern frontend frameworks Familiar with cloud-based tools and version control using Azure DevOps Comfortable working both autonomously and within a collaborative team Proactive, consultative approach to problem-solving Experience developing safety critical systems Nice to have: Experience with React, Node.js, Angular, or additional More ❯
Employment Type: Permanent
Posted:

Software Engineer - SME with Security Clearance

Washington, Washington DC, United States
Anonymous Employer
React. Lead database development and optimization efforts using Oracle and PostgreSQL. Build and maintain RESTful Web Services and integrate with AWS-hosted infrastructure. Develop dynamic, accessible user interfaces using JavaScript, AJAX, and React. Participate in Agile ceremonies and collaborate across multi-disciplinary teams using Jira and Confluence. Ensure application uptime and support 24/7 enterprise availability environments. Leverage DevOps … Secret/SCI eligibility Effective communication and documentation skills across technical and business audiences Strong development experience (8+ years) with: Java 8 (J2EE), Spring Framework 5+, Spring Boot 2 JavaScript/AJAX, React, HTML, CSS Hibernate 5+, RESTful Web Services SQL/RDBMS - Oracle and PostgreSQL Apache Tomcat, Red Hat JBoss Linux (RHEL, CentOS), Eclipse IDE, Maven, Git 8+ years More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Engineer(2 days onsite) with Security Clearance

Falls Church, Virginia, United States
STEM IT
. This person will working on all new green development projects utilizing an array of tools such as: JVM programming languages(Java/Springboot, Groovy, Python), Docker + Kubernetes, Javascript/React, Kafka, Elastic Search, Lucene, Spark, and Cassandra, DynamoDB as well as Neo4J. Obviously very very few folks have touched/been hands-on with all of these tools … Skills & Experience 4+ years of professional software engineering experience Active Top Secret clearance or above Experience with JVM languages: Java(preferred), Scala, Groovy, and/or Python Experience with javascript frameworks: React(preferred), Angular, and/or Vue Bachelor's in computer science or related field required Desired Skills & Experience Master's in computer science or a related field Experience More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Backend Developer (TS/SCI) with Security Clearance

Springfield, Virginia, United States
IntelliBridge
intelligence support of mission requirements Utilize industry standard tools such as Gitlab, Jira and confluence for code version control, project management, product requirements, and user documentation Deploy Python and JavaScript while utilizing the Django web framework for the backends and React for developing the client facing portion of the application Create, extract, transform, and load (ETL) pipelines using Hadoop and … Qualifications: Active TS/SCI Required 7-10 years experience Preferred Qualifications: Bachelor's degree in related field preferred Windows 7/10, MS Project Apache Airflow Python, Java, JavaScript, React, Flask, HTML, CSS, SQL, R, Docker, Kubernetes, HDFS, Postgres, Linux AutoCAD JIRA, Gitlab, Confluence About Us: IntelliBridge delivers IT strategy, cloud, cybersecurity, application, data and analytics, enterprise IT, intelligence More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer

London, UK
Vallum Associates
Excellent communication and teamwork skills. Bachelor’s degree in computer science, Engineering, or a related field, or equivalent work experience. Knowledge of front-end technologies like HTML, CSS, and JavaScript is a plus. More ❯
Posted:

Software Engineer

City of London, Greater London, UK
Vallum Associates
Excellent communication and teamwork skills. Bachelor’s degree in computer science, Engineering, or a related field, or equivalent work experience. Knowledge of front-end technologies like HTML, CSS, and JavaScript is a plus. More ❯
Posted:

.NET Developer

Hereford, Herefordshire, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - Hereford (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer)Be the first of your friends to declare, "I love where I work!" and actually mean it. Laugh hard and work hard with … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus (15%). More ❯
Employment Type: Full-Time
Salary: £45,000 - £65,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent)Be the first of your friends to declare, "I love where I work!" and actually mean it. Laugh hard and work hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .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. Their benefits include the following: Bonus More ❯
Employment Type: Full-Time
Salary: £80,000 - £100,000 per annum
Posted:

Software Engineer London HQ

London, United Kingdom
Upscope
days a week) Salary: Based on experience Must hold right to work in the UK. Main responsibilities Development and Design: Write clean, efficient, and maintainable code using TypeScript, JavaScript, Node.js, and React. Design and implement robust applications and services to meet predefined requirements. Code Review and Quality Assurance: Participate in code reviews to maintain high code quality and promote best … systems and processes developed, ensuring clarity for future maintenance and scalability. About you At least 3-5 years of professional experience building modern web applications. Strong proficiency in TypeScript, JavaScript (ES6+), Node.js, and React, with a solid understanding of their ecosystems. Experience with modern development tools and practices, such as Git, CI/CD pipelines, automated testing frameworks (e.g., Jest … Mocha), and containerisation technologies (e.g., Docker). Knowledge of RESTful API design and development, and familiarity with web services architecture. Ability to write efficient, secure, well-documented, and clean JavaScript code. Familiarity with database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB), and an understanding of data modeling principles. Strong problem-solving skills and the ability to work More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Developer - Burton-in-Kendal

England, United Kingdom
Hybrid / WFH Options
Noir Consulting
.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - Burton-in-Kendal, Cumbria (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent) Be the first of your friends to declare, 'I love where I work!' and actually mean it. Laugh hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus (15%). More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Developer - Burton-in-Kendal

Burton, Carnforth, Lancashire, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - Burton-in-Kendal, Cumbria (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent)Be the first of your friends to declare, "I love where I work!" and actually mean it. Laugh hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus (15%). More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

.NET Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent) Be the first of your friends to declare, “I love where I work!” and actually mean it. Laugh hard and work hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .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. Their benefits include the following: Bonus More ❯
Posted:

Senior Full Stack Developer

Oxford, Oxfordshire, England, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
a C# background, so if your keen to use and learn Node and already have good Typescript experience then this will also be considered. Tech Stack & Approach Full stack JavaScript/TypeScript (NodeJS microservices, Vue.js) SQL Server, Redis, Snowflake - hosted on AWS SOLID principles, strong design patterns, CI/CD pipelines, test automation Trunk Based Development (TBD) A culture of … and respond to incidents What You'll Bring 6+ years' experience in full stack development Experience working within a large Software Engineering Team. Deep experience in Node, TypeScript/Javascript Experience working in a large Software Engineering Team. Proven track record of designing scalable and secure systems Strong grasp of software architecture, SOLID principles, CI/CD and design patterns More ❯
Employment Type: Full-Time
Salary: £65,000 - £70,000 per annum
Posted:

Full Stack Software Developer

Glasgow, United Kingdom
Space Network
pioneering applications with global impact. Why Join Space Aye? Impact: Work on patented technology with real-world applications across industries. Innovation: Use modern tools like .NET 8, Azure, and JavaScript frameworks (Vue, Angular, or React) to build scalable, user-friendly solutions. Opportunity: Be a part of a fast-growing company with strong investment and global partnerships. Culture: Collaborate with a … of innovative software solutions, leveraging the latest technologies to create scalable, secure, and high-performance systems. Key responsibilities include: Building full-stack applications with Azure, .NET 8, and modern JavaScript frameworks. Developing and optimising APIs and back-end systems for reliability and scalability. Creating containerised applications with Docker and Kubernetes. Collaborating in Agile teams to tackle technical challenges and deliver More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer (Full Scope Poly required) with Security Clearance

Chantilly, Virginia, United States
Cohere Technology Group
and communicate impacts to the business. Explore new technologies and have fun finding the best tools. While Java is our predominant language, we also use .Net, React, NodeJS, Groovy, Javascript and AngularJS. Required Education, Experience, & Skills Must possess an active Intel Clearance with a favorable polygraph. Will not be considered without it. 5+ years of Java and JavaScript 5+ years More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Backend Python Developer

London, UK
Hybrid / WFH Options
Roc Search
Job Title: Backend Python Developer Job Type: Permanent Location: London Salary: £55,000-£65,000 DOE Skills: Python, AWS, CI/CD, Docker Kubernetes, JavaScript Roc Search have partnered with a vibrant data focused agency in London. They are seeking an experienced Backend Engineer with a strong foundation in Python and object-oriented programming. In this role, you will be … practical experience). Proven experience as a Backend Engineer or a similar role, with a strong track record of designing and developing robust backend systems. Proficiency in Python and Javascript Familiarity with logging frameworks like Serilog for efficient log capturing and analysis. Experience with containerization tools like Docker and orchestration frameworks like Kubernetes. Knowledge of Helm and YAML for defining More ❯
Posted:

Backend Python Developer

City of London, Greater London, UK
Hybrid / WFH Options
Roc Search
Job Title: Backend Python Developer Job Type: Permanent Location: London Salary: £55,000-£65,000 DOE Skills: Python, AWS, CI/CD, Docker Kubernetes, JavaScript Roc Search have partnered with a vibrant data focused agency in London. They are seeking an experienced Backend Engineer with a strong foundation in Python and object-oriented programming. In this role, you will be … practical experience). Proven experience as a Backend Engineer or a similar role, with a strong track record of designing and developing robust backend systems. Proficiency in Python and Javascript Familiarity with logging frameworks like Serilog for efficient log capturing and analysis. Experience with containerization tools like Docker and orchestration frameworks like Kubernetes. Knowledge of Helm and YAML for defining More ❯
Posted: