13,813+ Programista Java Java Deweloper Jobs in UK — Top Companies Hiring June 2026

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Applied AI Engineer — Build Scalable, User Focused AI

Qualifications Desirable Undergraduate or Master's degree in Computer Science (or related fields). Skills Experience with Kotlin or Java, Python, TypeScript , AWS, and Docker. Ability to design scalable and efficient systems. Experience working closely ...

DevOps Engineer: CI/CD & Web Tech Specialist

Java Script Works is looking for a DevOps Engineer located in Harrogate, United Kingdom. The ideal candidate will have a solid understanding of CI/CD principles and experience in implementing them effectively. Responsibilities include managing complex merge conflicts and utilizing tools like Bitbucket. ...

Senior Developer — .NET, React & Azure Expert

Java Script Works is seeking a Senior Developer in Greater London. This key role requires strong proficiency in C#, .NET, React, and Azure, working collaboratively with developers, UX/UI designers, and stakeholders to ensure high-quality products. The successful candidate will be responsible for drivin ...

Front Office Trading Apps Support Engineer

A consulting firm in the UK is seeking an individual to manage application support across various desks, including index flow and commodities. Responsibilities include configuring proprietary software for trading and executing bug reports. The ideal candidate has strong communication skills, programming expertis ...

London based Fullstack Engineer – AI HealthTech

Java Script Works is hiring a Fullstack Engineer in London, United Kingdom. The ideal candidate will have proficiency in JavaScript, React, and Node.js, along with experience in AWS for infrastructure management. This full-time position offers a compensation rate of up to £15 per hour. Visa sponsorship is not pr ...

Senior Backend Engineer Card Integrations

A leading financial technology company in London is seeking Backend Software Engineers to enhance its innovative SaaS platform. The role involves designing integrations for global card payments, contributing to the platform's development in a cloud-native environment. This position offers opportunities for growt ...

Senior Frontend Engineer — React & TypeScript

Java Script Works in Manchester is seeking a Frontend Software Engineer with 3-4+ years of experience to develop and maintain robust, scalable frontend applications. The ideal candidate will have strong proficiency in JavaScript (ES6+), TypeScript, and expertise in React. The role involves writing clea ...

Senior Android Engineer — Build Scalable Health Apps

Flo Health Inc. is looking for an experienced Android Engineer to shape the mobile experience of millions. This role demands 7+ years of hands-on development experience, expertise in Java, and familiarity with the Android ecosystem. The position involves developing features, ensuring excellent user experience, a ...

Low Latency Software Engineer for Trading Systems

A global trading firm in Greater London seeks a Software Engineer to join their technology team. This role involves designing, developing, testing, and deploying proprietary software for trading strategies and risk analysis. Candidates should have at least 2 years of experience in Java, C++, and Python, along wi ...

Hybrid Quant Python Engineer — London, High Growth

Java Script Works is seeking a talented developer to join a leading Quant Investment management firm in London. This role offers an excellent working environment with ongoing training and a structured career path. You can expect a competitive salary along with a substantial bonus from day one. Skills required in ...

Staff Software Engineer — Full Stack & PostgreSQL Pro

Skills Proficient in Python/Java programming, with a comprehensive understanding of advanced features and best practices. Experience in JavaScript/TypeScript and modern web frameworks (preferably Vue.js). Extensive experience with PostgreSQL database management system. ...

Senior Real Time Trading Platform Engineer

P2P in Greater London is seeking a skilled engineer for their Trading Platform Engineering team. The role focuses on designing and optimizing high-performance systems with proficiency in Java and deep knowledge of Linux kernel internals. The successful candidate will have experience in low-latency opti ...

Data Platform Engineer — Lakehouse & AI Pipelines

A leading financial services firm in Greater London seeks a Data Engineer to design, build, and support data pipelines on their modern Lakehouse and AI data platform. The role involves using programming skills in Python or Java, strong SQL knowledge, and collaborating closely with engineering teams. The company ...

Staff Engineer & Team Lead Backend & Architecture

A leading fintech company is seeking a Staff Engineer to lead and inspire engineering teams at their London office. The role includes coaching team members, overseeing complex projects, and contributing to a robust platform built primarily in Java. This position offers a collaborative environment and emphasizes ...

Cyber Vulnerability Engineer: Reverse Engineering Specialist

Cyber UK is looking for a Cyber Software Vulnerability Engineer to work in Manchester. The role involves software analysis, reverse engineering of various technologies, and collaboration with cybersecurity teams. Candidates should be proficient in C, C++, Java, or C# and familiar with automation scripting. Clear ...

AI Driven Web Engineer: Code Quality & Data Annotation

Java Script Works in the Tees Valley, United Kingdom, is looking for skilled programmers proficient in various technologies such as JavaScript, Python, C#, and more. Join our dynamic team to evaluate code quality and contribute to exciting projects. This opportunity invites individuals who can assess c ...

Node.js Developer for Scalable Web Apps

Java Script Works in Wellington, United Kingdom is seeking a Node Developer to produce high-quality code for scalable web applications. The role demands expertise in JavaScript and a proven track record in development. This full-time position offers a competitive salary of up to £60K. Candidates should ...

Node.js Developer with Security Clearance (Newcastle)

Java Script Works is seeking a Node.JS Developer in Newcastle upon Tyne. This role is full-time and requires a minimum of 5 years of residence in the UK for a security clearance. Candidates should have experience with Node.js and JavaScript, along with familiarity in application security practices. The position ...

Full Stack Engineer — Build Scalable API Ecosystems

Java Script Works is seeking a Full-Stack Engineer based in Hook, United Kingdom. The ideal candidate should have proficiency in TypeScript, JavaScript, React, and Node.js, and experience in supporting and iterating on custom-built applications. This full-time role offers opportunities to scale an API ecosystem ...

.NET Developer: ASP.NET, Azure & Cloud Apps

Java Script Works is seeking a Software Developer (.NET) in Glenrothes, United Kingdom. The ideal candidate will have expertise in .NET, ASP.NET, and SQL Server, with strong JavaScript skills. The role requires experience in software testing and cloud services, particularly with Azure. The compensation ...

Lead Engineer, Enterprise AI — Build Scalable AI Solutions

Java Script Works is looking for a Lead Engineer – Enterprise AI in Hook, United Kingdom. This full-time role requires a strong background in Python or TypeScript and operational experience with internal products. The candidate will be responsible for ensuring that products are well maintained and supported whil ...

Backend Dev (Go/Golang) – Hybrid Bristol, Scalable APIs

A leading digital innovation company based in Bristol is looking for a Backend Developer with experience in Java, C#, Python, or Node.js. You will design and develop applications, build scalable APIs, and support cloud deployments, especially in GCP. This role offers a hybrid working environment and opportunitie ...

Full Stack IT Developer – C#/JS/VB, HTML5, SQL

Java Script Works is seeking an IT-Entwickler to join their team in Dudley, UK. The ideal candidate will have strong skills in JavaScript, C#, and other web technologies. Responsibilities include working with various programming languages and frameworks to create effective tech solutions. A full-time position of ...

SDET Engineer Automation, API & Security Testing

Scrumconnect Consulting is hiring a Software Development Engineer in Test (SDET) to join their team in Swansea. The role involves designing and maintaining automated test frameworks, ensuring quality in high-volume digital services. Ideal candidates will have a strong coding background in Java, JavaScr ...

Senior Software Engineer .NET, React, CI/CD Expert

Java Script Works is seeking a Senior Software Developer based in London, United Kingdom. The role requires expertise in Angular, CI/CD, and a proficient understanding of various programming languages including Python and C#. The compensation range is between £25,000 and £55,000 depending on experience ...

Full Stack Web Developer: Build Modern Apps on Azure

Java Script Works in Market Harborough is seeking a Full Stack Web Developer. This role involves developing and maintaining web applications using modern technologies such as ASP.NET and Azure, along with JavaScript. The ideal candidate will have a strong skill set in JavaScript, SQL, and cloud computi ...

Senior Aerospace MES Technical Lead & Solutions Architect

A leading technology consulting firm in Cheltenham is looking for a Senior Technical Services Consultant. The role involves providing technical guidance and leadership for MES implementations, particularly in the Aerospace sector. Ideal candidates will have strong programming expertise in Java and JavaScript, al ...

Embedded Device Security Consultant Cheltenham Lab

A cybersecurity firm is seeking an Embedded Device Security Consultant based in Cheltenham, United Kingdom. The role involves performing high-end security evaluations and research on embedded devices, including vulnerability assessment and embedding consulting skills. Candidates should have expert knowledge in a ...

Salesforce & React Native Hybrid Engineer – London

A technology services firm is seeking Salesforce & React Native Specialists in London for a 12+ month contract role. You will support development teams with client projects, requiring expertise in Salesforce and/or React Native. Candidates should be proficient in Java, TDD, RESTful API design, and familiar with ...

Full Stack Node.js/TypeScript Engineer

Java Script Works is looking for a Full Stack Developer skilled in Node.js and TypeScript to join our team in Bracknell, United Kingdom. You will work with modern technologies like React.js, Git, and Linux in a full-time capacity. The ideal candidate will demonstrate expertise in JavaScript and have eligibility ...

Lead Engineer, High Performance Trading Platform

Bullish, Inc. is seeking a Lead Engineer for our Trading Platform Engineering team in London. This role focuses on designing and optimizing high-performance systems, demanding expertise in Java and Linux kernel internals. The ideal candidate will drive architectural excellence and reliability in our tr ...

Staff Backend Engineer, Risk & Fraud Remote UK

A global digital sports platform is seeking a Staff Backend Engineer to lead backend architecture focused on fraud detection and responsible gaming. This role requires deep expertise in Java and Spring Boot, along with experience in designing secure, distributed systems. You will collaborate with cross-functiona ...

Field Deployment Software Engineer for Autonomous Systems

A leading defence technology company in the UK is seeking a Deployed Software Engineer to implement their technology with customers. The role involves travelling to customer sites, writing code, and collaborating with engineers. Ideal candidates will have a degree in a relevant field and strong programming skill ...

Senior Cloud Infra Engineer — Remote, Equity, Flexible PTO

A leading cloud analytics company in the UK is seeking a Cloud Infrastructure Software Engineer to design and maintain scalable distributed systems. The role requires over 5 years of experience in software development using languages like Go and Java, as well as familiarity with cloud technologies such as AWS an ...

AI First Quality Engineer — Data Platforms

A leading data integration platform in Manchester is seeking a Quality Engineer to join the Platform Stability team. This hybrid role emphasizes the use of AI for enhancing data pipeline integrity and productivity. Ideal for candidates with strong data engineering and AI experience, as well as proficiency in Jav ...

Senior Automation Engineer: Linux, Cloud & Scripting

Amazon UK Services Ltd. is seeking a Sr Automation Engineer in Melton, United Kingdom. The ideal candidate will have extensive experience in SQL, Linux, Cloud Technology, and IP Networking. Skills in scripting languages like Java, Python, and Perl are essential. This full-time role requires strong project manage ...

ASP.NET MVC Developer – London, Fast Paced Weekly Releases

Java Script Works is seeking a full-time ASP.NET MVC Developer based in London, England to join a small team. The role involves working with a varied tech stack, including ASP.NET, C#, Angular, SQL, and JavaScript. The ideal candidate will have a computer science degree or equivalent and experience wit ...

Frontend Engineer — JavaScript/TypeScript + React

Java Script Works, located in Barton-upon-Humber, is looking for a skilled developer to build and maintain custom JavaScript applications. The ideal candidate will have over 2 years of experience and proficiency in TypeScript, React, NodeJS, HTML5 Canvas, and Less. You will be responsible for developin ...

Cloud Site Reliability Engineer — Global Infra & Automation

A leading technology company in London is seeking a Cloud Site Reliability Engineer to enhance and manage global infrastructure systems. Candidates should have experience with Unix/Linux, cloud platforms like AWS or Google Cloud, and proficiency in languages such as Java and Python. The role emphasizes collabora ...

Contract Software Engineer – React + Hardware & Databases

Java Script Works is looking for a Software Engineer in Cambridge, United Kingdom. The role focuses on developing software applications using JavaScript and React. Candidates should have experience with both relational and graph/NoSQL databases, and systems administration on Windows is a plus. This pos ...

Full Stack Vue.js & C#/.NET Engineer

Java Script Works is seeking a Software Engineer located in Walsall, United Kingdom. The role requires comprehensive expertise in backend development with C# and .NET, along with strong skills in frontend development using modern frameworks, particularly Vue.js. This is a full-time position. Candidates should be ...

Fintech Frontend Support Engineer — Angular & ASP.NET MVC

Java Script Works is seeking a Support Engineer to join their team in London, United Kingdom. This full-time role involves both frontend and backend development responsibilities using technologies such as HTML5, JavaScript, Angular.js, CSS3, and ASP.NET MVC. The ideal candidate will demonstrate experie ...

Production Database Engineer: Automations & Resilience

Palantir Technologies is seeking a Database Operations Engineer to automate database deployments and maintain operational excellence in production systems. This role involves troubleshooting, managing large-scale migrations, and collaborating with engineering teams. Ideal candidates will have strong coding skill ...

Engineering Manager: Lead High Impact, Data Driven Teams

London Stock Exchange Group is seeking an Engineering Manager to lead product development teams in Nottingham. This role includes mentoring engineers, ensuring technical excellence, and collaborating with product and operations teams. Candidates should have a strong background in software development, particular ...

Healthcare Test Engineering Lead — Automation & QA

Kainos is seeking a Lead Test Engineer (Consultant) in Budock Water, England. In this role, you'll provide technical leadership in software testing and manage a small team, ensuring high-quality application delivery. Essential requirements include strong expertise in test automation and programming in Java, as w ...

Senior Applied Scientist, Supply Chain Optimization (AI/ML)

Amazon UK Services Ltd. is looking for a Sr. Applied Scientist in Supply Chain Optimization to implement cutting-edge OR/ML techniques. This full-time position requires a Master's degree and experience in programming languages such as Java, C++, and Python, along with expertise in machine learning and deep learn ...

Senior Mobile Engineer — Android & TypeScript

Java Script Works is looking for a Senior Engineer – Mobile in Staines-upon-Thames, UK. The role involves developing mobile applications primarily using JavaScript and TypeScript, with a focus on deployment in Android and iOS ecosystems. Candidates should have strong expertise in Redux and mobile development. Th ...

Trading Connectivity Software Engineer (Go Backend)

A leading technology firm in London seeks a Software Engineer for the Trading Connectivity team. This role involves designing and maintaining high-performance backend systems to support the Talos trading platform. Candidates should have 2-5 years of experience in software engineering, preferably with Go or Java, ...

AI Automation Engineer: Build Real Use Cases with GPT 4

Java Script Works is looking for an AI Automation Associate in Hull, United Kingdom. The ideal candidate should have experience with tools like GPT-4 and Midjourney, familiarity with no-code tools, and basic programming skills in Python and JavaScript. This full-time role offers a salary range of £30K - £60K. Ca ...

Principal Full Stack Engineer & Tech Leader (Cloud)

A leading consultancy firm in the UK is seeking an experienced Principal Full Stack Engineer to lead L2/L3 support teams. The ideal candidate will have expertise in Java, Python, Node.js, or C#, alongside substantial cloud architecture experience (AWS or Azure). This role emphasizes technical leadership, mentori ...

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