Permanent 'ECMAScript' Job Vacancies

1,601 to 1,625 of 2,653 Permanent ECMAScript Jobs

Software Engineer Full Stack .Net AWS JavaScript

St Albans, England, United Kingdom
Hybrid / WFH Options
Client Server
Software Engineer/Full Stack Developer (C# .Net Core AWS JavaScript) St Albans/WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom … local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms … sharing knowledge You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer/Developer (C# .Net Core AWS JavaScript) 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 people come More ❯
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AI Engineer

United Kingdom
Trust In SODA
between complex algorithms and the end-user. Key Contributions You'll Make: Front-End expertise: Design, develop, and own the user interfaces for brand-new AI features, utilizing modern JavaScript frameworks or C# with Blazor to ensure seamless interaction. AI Integration: Embed machine learning capabilities into existing applications, ensuring optimal performance and a flawless user journey. Full-Stack Versatility: Develop … Profile: We are looking for an adaptable, self-starting individual with a strong foundation in modern web technologies and a genuine enthusiasm for AI. Core Expertise: C#, .NET/JavaScript/Node Experience in front-end development and demonstrated proficiency with leading JavaScript frameworks (e.g., React, Vue, Angular). Web Fundamentals: Deep understanding of HTML5, CSS3, and responsive design principles. More ❯
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Graduate Software Developer | 45,000–55,000 | Hybrid (London / Remote)

London, South East, England, United Kingdom
Hybrid / WFH Options
IT Graduate Recruitment
months. What You’ll Do Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute to technical discussions and see your ideas implemented fast Get exposure to cloud computing (AWS/Azure), CI/… AI tools What We’re Looking For A recent STEM graduate (Computer Science, Engineering, Physics, Maths, etc.) Strong coding ability in at least one of: Python, C++, Java, or JavaScript Curiosity and problem-solving mindset — you love figuring things out Comfortable learning new technologies quickly Bonus: experience with Git, SQL, or personal projects you can show off Why You’ll … CV. Let’s build something great together. Graduate Software Developer, Junior Developer, Entry-Level Developer, Python Developer, C++ Developer, Computer Science Graduate, Full Stack, Software Engineer, Cloud, Machine Learning, JavaScript, Coding Graduate, Graduate Technology Jobs More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum, OTE
Posted:

Software Developer (1-4 year) | 55,000–77,000 | Hybrid (London / Remote)

London, South East, England, United Kingdom
Hybrid / WFH Options
IT Graduate Recruitment
months. What You’ll Do Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute to technical discussions and see your ideas implemented fast Get exposure to cloud computing (AWS/Azure), CI/… and AI tools What We’re Looking For Strong academic background - degree from a top-ranked university Strong coding ability in at least one of: Python, C++, Java, or JavaScript Curiosity and problem-solving mindset — you love figuring things out Comfortable learning new technologies quickly Bonus: experience with Git, SQL, or personal projects you can show off Why You’ll … CV. Let’s build something great together. Junior Software Developer, Junior Developer, Mid-Level Developer, Python Developer, C++ Developer, Computer Science Graduate, Full Stack, Software Engineer, Cloud, Machine Learning, JavaScript, Coding, Technology Jobs More ❯
Employment Type: Full-Time
Salary: £55,000 - £75,000 per annum, OTE
Posted:

Fullstack Software Developer

Hampshire, England, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
Software Developer - .Net, C#, JavaScript £50-£70k + Benefits - Hampshire offices + Hybrid working A Software Developer/Fullstack Developer opportunity for a business developing innovative clean energy products – the business is growing and building out its innovative SaaS products utilising .Net.8+, SQL, Azure, React tech stack. An excellent opportunity for candidates who want to work on innovative and interesting … commercial Software Development in .Net, C# Commercial exposure to DevOps, CI/CD pipelines, Azure DevOps or similar Agile processes and software engineering best practices, TDD, SOLID or similar JavaScript/React experience is beneficial but not essential Experience in Data heavy environments working with Python or Data Engineers is desirable Please apply to this advert or message me on More ❯
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Senior Fullstack Developer

London, England, United Kingdom
Freshtechit
while ensuring accessibility, privacy, and security compliance. Scout and implement AI-driven tools to enhance development workflows and user experience. Maintain performant front-end foundations using React, TypeScript/JavaScript, CSS, and AWS Amplify. Work with headless CMS platforms to deliver content compatible with AI workflows. Break down complex projects into agile deliverables and contribute to technical documentation. 🧠 Requirements Strong … front-end engineering skills (React, TypeScript/JavaScript, CSS, responsive design). Experience with AI-enhanced development tools (e.g., AI code assistants, automated testing, intelligent pipelines). Familiarity with headless CMS platforms and web content workflows. Understanding of web analytics, personalization frameworks, and tracking methodologies. Experience with cloud platforms (AWS Amplify or similar), CI/CD pipelines, and feature flagging. More ❯
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Senior Software Engineer

Manchester, Lancashire, United Kingdom
Hybrid / WFH Options
Moneysupermarket Group
own infrastructure and delivery. Think pairing, mobbing, TDD, automating, and releasing to production multiple times a day via our highly automated build pipelines. BE: Typescript, Node.js, AWS, Java FE: Javascript, Typescript, Vue.jsOur backends are a mix of Java and serverless AWS Lambda services using Typescript & Node.js. Primarily you'll develop serverless systems in Typescript but you will interface and work … open to experience with any object oriented programming language and value a flexible approach to the right tool.We build our front end apps as single page applications in modern JavaScript frameworks, powered by our microservice architecture. Our infrastructure is hosted in AWS, defined as code, containerised on ECS, and we're embracing serverless and other cloud native technologies. We share … data through an event-driven system backed by Kafka. Our operational data stores are a combination of Mongo and AWS managed Relational Databases. You'll be working with Typescript, Javascript, Java, AWS, and Vue.js. You don't need to have experience with all of these, but you'll be an experienced developer who has the capability (and interest!) to work More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Full-Stack Developer - C#, .NET / React

Essex, England, United Kingdom
IT Talent Solutions Ltd
in-office (Essex), no London slog. Real progression : The team promotes on ability, not just time served. Tech you’ll be working with: C#, ASP.NET Core, Entity Framework React, JavaScript, HTML, CSS SQL Server RESTful APIs, Git, Agile workflows Work setup : Hybrid – 2 fixed days in-office (Essex) What We’re Looking For 1- 2 years of commercial experience as … a developer Hands-on with C#/.NET Core and SQL Some experience with React or similar frontend frameworks Comfort with HTML/CSS/JavaScript fundamentals Team player, willing to learn and grow Bonus Points For Exposure to Entity Framework Core Awareness of web security/OWASP principles A relevant degree (Computer Science or related) Familiarity with IIS or More ❯
Employment Type: Full-Time
Salary: £35,000 - £45,000 per annum
Posted:

Python Developers Needed - DV/SC Cleared - Amazing Company

City of London, London, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
Python Developers Wanted DV/SC Cleared | Python + TypeScript + JavaScript | AI-Focused | London HQ | Office-Hybrid Areti Group is exclusively hiring for one of the fastest-growing AI-driven tech scale-ups in London. They've grown 290% this year alone, just secured a major investment, and are scaling fast with plans to grow to 100+ employees by … some of the smartest minds in tech. 🧠 What You’ll Be Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing … cleared to at least SC level - DV level would be a preference. 2+ years experience in backend or full-stack software development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth More ❯
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Python Developers Needed - DV/SC Cleared - Amazing Company

London Area, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
Python Developers Wanted DV/SC Cleared | Python + TypeScript + JavaScript | AI-Focused | London HQ | Office-Hybrid Areti Group is exclusively hiring for one of the fastest-growing AI-driven tech scale-ups in London. They've grown 290% this year alone, just secured a major investment, and are scaling fast with plans to grow to 100+ employees by … some of the smartest minds in tech. 🧠 What You’ll Be Working On: Designing and building scalable backend systems using Python Collaborating on full-stack features with TypeScript and JavaScript Creating and integrating RESTful and GraphQL APIs Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing … cleared to at least SC level - DV level would be a preference. 2+ years experience in backend or full-stack software development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth More ❯
Posted:

.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:

Graduate .NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client is the world's most respected banking institution. Their story dates back to the 1890s and today they operate from over 10,000 offices in 100 countries. …/ASP.NET MVC, C# or C#.NET winforms) and Azure SQL. Our client offers training in: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. This is a truly amazing opportunity to work for a prestigious banking brand that will do wonders for your CV. They invest heavily in training and More ❯
Employment Type: Full-Time
Salary: £35,000 - £60,000 per annum
Posted:

Contract Software Engineer

United Kingdom
Hybrid / WFH Options
WRK digital
digital are delighted to be shortlisting for Contract Software Developers with strong full-stack capabilities across .NET/C# and React applications. The Tech Stack Backend: C#, .NET Frontend: JavaScript/TypeScript with React Database: SQL (queries, views, and stored procedures) Infrastructure: CI/CD pipelines and application architecture The Role You'll be working in an agile development team … engineering and experience in regulated environments. What You'll Be Doing - Design, develop, and maintain high-quality applications using C#, .NET, and Python - Build responsive front-end solutions using JavaScript/TypeScript (React) - Create reliable data solutions by writing and optimising SQL queries, views, and stored procedures - Work hands-on with development teams, reviewing code quality and maintaining architectural standards More ❯
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.NET Developer

Southall, Middlesex, England, United Kingdom
Hybrid / WFH Options
4Square Recruitment Ltd
robust, performant features in C#/.NET 6-8, meeting functional and non-functional requirements. Build web UIs with ASP.NET Core (MVC, Razor Pages, or Blazor) and refine with JavaScript, jQuery, Bootstrap, CSS/LESS. Design and implement data access with EF Core (code-first); write pragmatic SQL where needed. Create and maintain unit tests (xUnit) and contribute to high … delivery, and QA; estimate accurately, communicate risks early, and support production issues when required. Tech you’ll work with Front end: ASP.NET Core 6-8 (MVC, Razor Pages, Blazor), JavaScript, jQuery, Bootstrap, CSS/LESS, Node/gulp Back end: .NET 6-8 (C#), EF Core (code-first), SQL (Azure SQL, LocalDB, SQLite for tests) Toolchain: Visual Studio 2022, Git More ❯
Employment Type: Full-Time
Salary: £50,000 - £80,000 per annum
Posted:

Software Engineer, React, Typescript

United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
Full Stack Software Developer React, JavaScript, TypeScript, HTML, CSS Fully Remote (UK only) Human's best friend are not all in loving homes or considered well cared for. For a multitude of reasons inside and outside of human control; dogs, cats and pets in general require veterinary intervention, care and rehousing. Step in this wonderful global charity who partner with … independently within a remote-first team setup, delivering high-quality, maintainable code. Required Skills & Experience: Proven experience in full stack development roles. Strong proficiency in React, Next.js, and modern JavaScript/TypeScript. Solid back end experience with Prisma ORM and SQL databases. Experience designing and building RESTful APIs. Familiarity with CI/CD pipelines and Git-based work flows. Strong More ❯
Posted:

Software Engineer, React, Typescript

Exeter, Devon, South West, United Kingdom
Hybrid / WFH Options
Spectrum It Recruitment Limited
Full Stack Software Developer React, JavaScript, TypeScript, HTML, CSS Fully Remote (UK only) Human's best friend are not all in loving homes or considered well cared for. For a multitude of reasons inside and outside of human control; dogs, cats and pets in general require veterinary intervention, care and rehousing. Step in this wonderful global charity who partner with … independently within a remote-first team setup, delivering high-quality, maintainable code. Required Skills & Experience: Proven experience in full stack development roles. Strong proficiency in React, Next.js, and modern JavaScript/TypeScript. Solid back end experience with Prisma ORM and SQL databases. Experience designing and building RESTful APIs. Familiarity with CI/CD pipelines and Git-based work flows. Strong More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Front-End Developer - React

Seaton Delaval, Whitley Bay, Tyne and Wear, England, United Kingdom
Reed
projects that impact real lives The Role: As a Senior Front-End Developer, you’ll lead the design and development of secure, scalable web applications using modern Typescript/JavaScript frameworks. You’ll work in an agile, cross-functional team, contributing to strategic digital initiatives and mentoring junior developers. Key Responsibilities: Develop and maintain high-quality front-end solutions using … tests using tools like Jest Contribute to architectural decisions and technical strategy Support continuous improvement and innovation across the development lifecycle Essential Skills: Expert-level proficiency in HTML, CSS, JavaScript Strong experience with React. Familiarity with cloud platforms (Azure or AWS) Experience with CI/CD and API integration Ability to mentor and collaborate effectively within a team Desirable Extras More ❯
Employment Type: Full-Time
Salary: £55,000 - £62,000 per annum, Inc benefits
Posted:

Software Engineering Manager

Woking, Surrey, England, United Kingdom
Hybrid / WFH Options
Noir
stack: Software Development Management, Agile, Scrum, Kanban, SaaS Delivery, SDLC, Leadership, Stakeholder Engagement, Continuous Improvement, Cloud Platforms, B2B, B2C, Programme Management, Innovation C#, .NET Core, .NET 8, SQL, Microservices, JavaScript, TypeScript, Vue.js, Angular, AWS, Software Development Manager) Our client, a market-leading financial software house, is seeking an accomplished Software Engineering Manager to lead several high-performing development teams from … ensure engineering excellence, foster collaboration between business and technology stakeholders, and champion best practices across a modern Microsoft-based stack - including C#, .NET Core/.NET 8, SQL, Microservices, JavaScript, TypeScript, Vue.js, Angular, and AWS. You'll be an experienced leader of software engineering teams within a financial or similarly regulated environment, with a proven ability to guide delivery across More ❯
Employment Type: Full-Time
Salary: £85,000 - £110,000 per annum
Posted:

Senior Python Developer - Full Stack

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Ascent People
Senior Full Stack Python Developer, Senior Django/Python Analyst Programmer , AWS, Cloud, Azure, Python, Django Stack, REST APIs, Web Development, React, Angular, JavaScript, CI/CD - Nottingham 70K Global Software House - East Midlands Salary up to 75K + pension, bonus, flex around start/finish times. - 3 days in office Do you have a solid background in Django, Python … driven mindset toward achieving measurable outcomes, and authentic enthusiasm for using technology to address practical problems. Technical environment: Django, Python 3.8+, PostgreSQL/SQL, PyCharm/VS Code, GitLab, JavaScript/React, CI/CD, AWS, Django REST Framework Company: This technology company has been developing sustainable energy infrastructure solutions for almost 20 years, currently overseeing 25,000+ renewable installations More ❯
Employment Type: Permanent
Salary: £70,000
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 - Newcastle upon Tyne

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Noir
.NET Developer - Global Phenomenon - Newcastle upon Tyne, Tyne and Wear (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 … 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: £45,000 - £85,000 per annum
Posted:

.NET Developer

Greater 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 ❯
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