Permanent ECMAScript Job Vacancies

1,851 to 1,875 of 2,883 Permanent ECMAScript Jobs

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer, .NET 9, C# - Break Into Banking - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Are you stuck in a catch 22 situation i.e. want to get into the financial services arena but your lack of experience within the industry is preventing you … the following (full training will be provided to fill any gaps in your skill set): .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and Azure SQL. No previous banking experience is required. This is a once in a lifetime opportunity to get involved in one of the most exciting Greenfield .NET More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Senior ReactJS Web Developer - Boardroom Team

United Kingdom
JPMorgan Chase & Co
Formal training or certification on software engineering concepts and advanced applied experience. Hands-on practical experience in system design, application development, testing, and operational stability. Proficient in React/JavaScript/Typescript. Experience building enterprise-level applications with React/Typescript. Experience in developing, debugging, and maintaining code in a large corporate environment with modern programming languages and database querying … languages. Overall knowledge of the Software Development Life Cycle. Commercial experience working with React. Experience building and maintaining client-facing platforms. Knowledge of web technologies (CSS/HTML/JavaScript). Experience in developing, debugging, and automated testing (e.g., react testing library/cypress/vitest) within a commercial setting. Solid understanding of CI/CD (e.g., Jenkins), Application Resiliency More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

United Kingdom
Hybrid / WFH Options
Newspaper WordPress
Responsibilities: Design, develop, and test scalable software applications Collaborate with cross-functional teams including architects, DevOps, and QA Write clean, maintainable, and efficient code using modern languages (Java, Python, JavaScript, etc.) Participate in code reviews and software optimization efforts Contribute to cloud-based deployments (IBM Cloud, AWS, Azure, etc.) Support agile practices such as sprint planning and retrospectives Troubleshoot, debug … trends in software engineering and IT innovation Education & Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field Experience with one or more programming languages (Java, Python, JavaScript, etc.) Familiarity with cloud platforms, APIs, and DevOps tools Strong problem-solving skills and a collaborative mindset Knowledge of Agile development methodologies Excellent communication and time management skills Salary & Benefits More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead .Net Developer AWS

Nottingham, Nottinghamshire, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
you: You're an experienced Software Developer with strong C# .Net and SQL backend skills You have a good knowledge of microservices and AWS experience You have experience with JavaScript and React or Angular You have experience of creating LLD (Low Level Designs) in conjunction with software architects You are collaborative, happy to mentor others and work with other Technical … work from home, plus travel allowance to the Nottingham office (x1 month) Apply now to find out more about this Lead .Net Developer/Software Engineer (C# .Net AWS JavaScript React Angular) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Development Manager (Umbraco Specialist)

Spalding, Lincolnshire, United Kingdom
Hybrid / WFH Options
Clear IT Recruitment
Architect, develop, and deploy complex Umbraco-based web solutions (v8–v13) • Remain hands-on in day-to-day coding, solution design, and debugging • Work across front-end (HTML, CSS, JavaScript, Razor) and back-end (.NET/C#) development • Implement best practices in code quality, performance optimisation, and security • Conduct code reviews, sprint planning, and technical estimations • Collaborate with clients to … 5+ years' experience working with Umbraco CMS, including custom development and integrations • Strong .NET/C# development background with MVC and .NET Core • Front-end skills including HTML5, CSS3, JavaScript (ideally with some experience using modern JS frameworks) • Experience with SQL Server, REST APIs, and third-party integrations • Excellent understanding of Umbraco architecture including custom components, packages, and workflows • Experience More ❯
Employment Type: Permanent
Posted:

Senior Software Developer with Security Clearance

Herndon, Virginia, United States
Hybrid / WFH Options
Synertex LLC
modules for the MARS program (OB, IMD, S/CS modules) Develop RESTful web services and support implementation/hosting using instancing and throttling models Enhance user interfaces using JavaScript, jQuery, Angular 4, Ajax, and HTML5/XML Write and optimize SQL queries, T-SQL stored procedures, views, and SSIS packages Create technical diagrams, high-quality code, and automated test … experience Bachelor's degree in Computer Science or related discipline Proficiency in object-oriented design, algorithms, and data structures Experience with: REST-style Web API platforms Client-side development (JavaScript, Angular 4, HTML5/XML) SQL/T-SQL, stored procedures, and data integration via SSIS Asynchronous programming, parallel processing, concurrency, and security Software engineering lifecycle best practices Strong collaboration More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
Newspaper WordPress
Responsibilities: Design, develop, and test scalable software applications Collaborate with cross-functional teams including architects, DevOps, and QA Write clean, maintainable, and efficient code using modern languages (Java, Python, JavaScript, etc.) Participate in code reviews and software optimization efforts Contribute to cloud-based deployments (IBM Cloud, AWS, Azure, etc.) Support agile practices such as sprint planning and retrospectives Troubleshoot, debug … trends in software engineering and IT innovation Education & Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field Experience with one or more programming languages (Java, Python, JavaScript, etc.) Familiarity with cloud platforms, APIs, and DevOps tools Strong problem-solving skills and a collaborative mindset Knowledge of Agile development methodologies Excellent communication and time management skills Salary & Benefits More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer (Senior) with Security Clearance

Reston, Virginia, United States
RedKey Solutions
software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. Primary Responsibilities: Engage in software programming initiatives to support innovation and enhancement using Java, JavaScript, Python, SpringBoot, Hibernate, and Angular. Develop and direct software system validation and testing methods using Junit and Katalon. Develop and integrate custom software solutions to leverage automated deployment technologies. Prototype … standard operating procedures. Create innovative solutions to meet customers' technical needs. Basic Qualifications: Significant experience with common Agile practices, service-oriented environments, and development practices. Significant experience using Java, JavaScript, and Angular. Extensive experience in the software development lifecycle, with expertise in DevOps toolsets and practices. Direct experience utilizing software testing performance tools such as Junit. Experience with scripting languages More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Lead Software Engineer with Security Clearance

Fort Eustis, Virginia, United States
Hybrid / WFH Options
Soliel LLC
RESPONSIBILITIES: • Lead Agile software development efforts across a suite of integrated applications in a Microsoft Azure cloud environment. • Design and develop scalable, secure web applications using C#, .NET, SQL, JavaScript, and Azure PaaS. • Integrate and maintain GOTS, COTS, and custom-built modules while ensuring interoperability and data standard compliance. • Guide team execution through planning, code reviews, and mentoring. • Collaborate with … higher in Engineering, Science, or IT. • CompTIA Security+ certification • 10+ years of full-stack software development experience, including leading enterprise-level projects. • Expertise in C#, ASP/.NET, SQL, JavaScript, Azure PaaS, Dynamics 365. • Strong experience with Agile methodologies and DevSecOps principles. • Familiarity with Business Intelligence (BI) tools and integrating structured/unstructured data. • Excellent problem-solving, communication, and technical More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full Stack Developer - C#, Javascript and Python - Chelmsford

London, United Kingdom
Tenth Revolution Group
team helping delivering and maintaining the core web applications that support the internal teams and client-facing services. The team operates within a modern, stabilised framework built on Next.js (JavaScript), Tailwind CSS, C# 9 (.NET Core) and Python. Responsibilities will include: Full Stack Development Build and maintain web applications using React.js (with Next.js), JavaScript, HTML5, and Tailwind CSS. Develop RESTful … to feedback, and help elevate overall team quality. The successful candidate will have 3+ years of full stack web development experience with strong proficiency in C#, .Net Core, Python, JavaScript, React.js, and Next.js. More ❯
Employment Type: Permanent
Salary: £55000 - £60000/annum
Posted:

Senior Software Developer

Norwich, Norfolk, England, United Kingdom
Hybrid / WFH Options
MPJ Recruitment Ltd
make a real difference from day one. What you’ll be doing: Leading by example, working alongside other senior developers. Building and maintaining web apps using PHP (Laravel) and JavaScript (Angular or similar frameworks). Delivering new features and improving existing applications—end to end. Designing and building robust, scalable systems using modern cloud technologies. Collaborating closely with product managers … ideally PHP 8.3+), with a few years of solid professional experience under your belt. Hands-on experience with Laravel (preferably version 11+). Confident using Angular or a similar JavaScript framework (Vue, React, etc.). Experience working with RESTful APIs and JSON integrations. Comfortable using Git and familiar with tools like Jira. A collaborative approach and great communication skills. A More ❯
Employment Type: Full-Time
Salary: £45,000 - £60,000 per annum, Negotiable
Posted:

Web Developer with Security Clearance

Fairfax, Virginia, United States
Convirgence
shall be required to work with the Sponsor staff and contractor analyst personnel, to include external stakeholders, when applicable. The Contractor Team shall develop the Sponsor's application, via JavaScript, node.js-based CSS Styles user interfaces. The Contractor Team shall employ the ReactJS framework including Kendo and MaterialUI for presentation and Redux/Saga for data manipulation against the Sponsor … processing type services such as ETL workflows/scripts. 11. Demonstrated experience with REST services. 1. Demonstrated experience with Go HTML Templates. 2. Demonstrated experience with AlpineJS/htmx JavaScript libraries. 3. Demonstrated experience with graphs and graph data modeling. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

C# Software Engineer

Solihull, West Midlands, United Kingdom
Hybrid / WFH Options
Convergence Group Ltd
contributing to an engineering culture that values clean code, autonomy, and continuous improvement. Responsibilities of our C# Software Engineer: Build and maintain high-quality, scalable web applications using C#, JavaScript, web development frameworks and libraries (e.g. React, Next.js, Blazor), and Azure services. Design intuitive front-end experiences and robust back-end logic with seamless client-server integration. Implement new features … knowledge sharing, and continuous learning. Drive improvements across the SDLC: tools, pipelines, architecture, and documentation. What youll Bring: A minimum of 5 years experience of C# Strong knowledge of JavaScript, HTML/CSS, and modern frameworks (React, Blazor, Next.js). Experience working knowledge of Azure cloud services and SQL databases. A solid grasp of CI/CD pipelines and automated More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

.NET Developer - Lincoln

United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon – Lincoln (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Posted:

.NET Developer

Lincoln, Lincolnshire, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - Lincoln (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

.NET Developer - Woking

Woking, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon – Woking, Surrey (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

.NET Developer

Horsham, West Sussex, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - Horsham (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking to … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

NET Developer

London, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - London (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phenomenon, connecting people online to unique travel experiences, in more than 60,000 cities and 180 countries. As they approach their 10th anniversary they are looking … MVC, C# and Azure SQL. You will receive industry recognized training in all aspects of: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!) within More ❯
Employment Type: Permanent
Salary: £70000 - £90000/annum Bonus + Pension + Benefits
Posted:

Associate Software Engineer (Remote in Scotland)

Dundee, Angus, United Kingdom
Hybrid / WFH Options
Ivanti
both. Learn industry standard tools like GitHub source control and pipelines, Azure Hosting, Azure Devops, Kubernetes, and Terraform to name a few. Use that knowledge to develop a custom JavaScript application that keeps product information up to date in a dynamic way with little to no maintenance. Then deliver that information to Engineering and SaaS Operations in ways that accelerates … Develop and maintain features for two custom applications used for R&D teams to find information and deploy dev/test environments. Programming languages are java/nodeJS and javascript/react. Understand Github source control and build github actions to ensure pipelines meet release criteria. Learn security tooling like BlackDuck, Prisma, Polaris and RiskSense and ensure our application is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Java (London)

London, UK
Airswift
London, UK (Office Based) Duration: 5 months (renewable) Work Schedule: Full-time: Monday to Friday (Min. 3 days at the office is mandatory) Recruiter: Mariana Cortez Key Words: Java, JavaScript, Azure Cloud, Spring, AKS (Kubernetes), Docker, Kafka, Software, IT. Our Company Airswift takes pride in being an international workforce solutions provider. With 9,000 contractors operating in over 70 countries … . Cloud technologies (Azure, AKS, Functions). Container technologies (Docker). Data streaming architecture (Kafka) or messaging (ASB, Tibco). Relational databases (Oracle, Postgres). Client-side web technologies (JavaScript, React JS, JSON, HTML, CSS). Background: Bachelor or equivalent focusing on Computer Science, Software Engineering, etc. Ideally 10 years of experience in a similar position focused on full stack More ❯
Employment Type: Full-time
Posted:

Adv Software Eng 2 with Security Clearance

Scottsdale, Arizona, United States
Moseley Technical Services, Inc
Django Python Framework and Microsoft SQL Server. Develop and manage relational databases to store project, configuration, and licensing data. Write clean, modular, and well-documented code using HTML5, HTMX, JavaScript, CSS, and RESTful APIs. Collaborate with cross-functional teams to gather requirements, define architecture, and implement user-centric solutions. Administer application environments, including deployment, Active Directory integration, and hosting support. … Subject Matter Expert (SME) in Django and Python, with experience developing full-stack web applications. Strong knowledge of Microsoft SQL Server and relational database design. Proficiency in HTML5, CSS, JavaScript, and HTMX. Experience with Git and GitLab for version control. Ability to independently drive tasks from requirements to deployment. Demonstrated ability to solve complex problems using sound software engineering principles. More ❯
Employment Type: Permanent
Salary: USD 71 Hourly
Posted:

Software Engineer $160,000.00 with Security Clearance

Bethesda, Maryland, United States
Anonymous Employer
development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Proficient with common Agile practices, service-orientated environments, and development practices Experience in using Java, JavaScript Experience in the software development lifecycle, with experience delivering within DevOps toolsets/practices Direct experience utilizing software testing performance tools, such as Junit Experience with scripting languages, such as … Senior (6-10 years' experience) • Expert (11-15 years' experience) • SME (16+ years' experience) Proficient with common Agile practices, service-orientated environments, and development practices Experience in using Java, JavaScript Experience in the software development lifecycle, with experience delivering within DevOps toolsets/practices Direct experience utilizing software testing performance tools, such as Junit Experience with scripting languages, such as More ❯
Employment Type: Permanent
Salary: USD 160,000 Annual
Posted:

Full Stack Web Developer with Security Clearance

Mc Lean, Virginia, United States
Hybrid / WFH Options
Gridiron IT Solutions
information management capabilities across a variety of our customer's development platforms and scenarios. Responsibilities Work with programming languages and scripting methods including Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Develop SharePoint sites and support SharePoint operation and maintenance activities for all customers, to include design work and prototyping, file and document management, and plan and participation in … WordPress, Joomla, and Drupal) Proven expertise developing in SharePoint, WordPress, and custom web development platforms. Experience in developing using the following scripting languages: Python, PHP, Java, Bash, HTML, CSS, JavaScript, and jQuery Experience with 508 compliance Knowledge of Agile methodologies utilizing ServiceNow Develops and implements innovative products, processes, standards or operational plans achieved through research and integration of best practices More ❯
Employment Type: Permanent
Salary: USD 220,000 Annual
Posted:

Software Engineer, Lifecycle + Growth United States, Germany, United Kingdom

London, United Kingdom
Hybrid / WFH Options
vercel.com
Engineer specializing in Account Lifecycle and Access Management (IAM). In this role, you will play a pivotal role in designing, building, and maintaining scalable, high-performance systems. Leveraging JavaScript/TypeScript, Node.js, SQL and NoSQL cloud-native databases, and AWS, you will develop innovative solutions for user, group, and membership management while ensuring the highest levels of security and … enterprise software using TypeScript, REST APIs, and JSON. About You: 3+ years of experience in frontend engineering and deploying cloud computing solutions (AWS preferred). Proficiency in TypeScript/JavaScript, Next.js, React, and Node.js. Experience with SQL and NoSQL databases. Practical experience developing and improving applications written in Node.js. Able to drive a project from idea to completion without a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted: