56,619+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

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Order Fulfilment Executive

We're recruiting for an organised and methodical Order Fulfilment Executive, based in Ely, Cambridgeshire, on a permanent, full-time basis.Offering hybrid working, this role would suit someone who enjoys processing orders, administration and customer service.You'll be responsible for the manageme ...

Warehouse Food Production Operative

Job Title: Warehouse Food Production OperativeLocation: CorbySalary: £34,705, rising to £40,830 following successful 3-month probationWorking with our Corby-based client, we are looking to help to fill some roles for them within their production facility. ...

TikTok Live Host

TikTok Live Host required for a fast‑growing supplement brand in Redditch. £30,000 + monthly Live‑Sales Bonus. Must have proven TikTok Shop / live‑commerce hosting and live‑selling experience.We’re recruiting for a rapidly expanding UK supplement company seeking an experienced TikTok Live Host with stron ...

Full Stack Engineer

Full Stack Engineer £40,000 - £60,000 - Remote (UK) - AI Start-up SF Technology is partnering with an exciting early-stage AI business looking to hire its first Product Engineer. This is a unique opportunity to work directly with the founders, taking ownership of a live AI platform and ...

Multi Skilled Maintenance Engineer

An excellent opportunity for a Multi-Skilled Maintenance Engineer to join a Global Engineering Automation business with fantastic benefits and career progression.The Multi-Skilled Maintenance Engineer will also have the opportunity to earn certifications, complete training, pursue continuous development and ...

Lead Software Engineer (Hands On, Cloud Native)

Uniting Ambition is seeking a Senior Software Engineer in Crewe, working 3 days per week onsite. This role is perfect for a Senior Developer wanting to move into leadership while remaining hands-on with coding. You will be part of a well-established organization, enhancing a cloud-native platform using ...

Solutions Engineer, EUI

Responsibilities Manage relationships with client side of engineering teams from select vertical or industry and manage and drive joint engineering roadmap. Work with sales partners to identify business opportunities for advertisers' business goals. Build and ship new pr ...

Principal Software Engineer

Join a global technology organization whose products are trusted by leading brands and deliver real‑world impact across sustainability, education and safety. This is a pivotal role, reporting to the Head of Engineering helping lead tech direction and delivery for some genuinely innovative products. <h ...

Linux Engineer Hedge Fund £150K+

Our client is one of the world’s leading systematic trading firms – A company at the cutting edge of finance, technology and quantitative analytics. In London they’re growing their Infrastructure team and are looking for an experienced, senior Linux engineer to join them. You’ll have the ...

Data Engineer

Key focus areas:Building scalable data pipelines using Apache Spark & AirflowWorking within a cloud-based, containerised environment (Kubernetes)Contributing to a wider data platform modernisation programmeSupporting both batch and streaming workloadsTech: Python, Java, Spark, Airflow, SQ ...

Lead MEP Manager — Residential London

Blayze Group, a fast-growing residential developer in London, is looking for an MEP Manager to oversee mechanical, electrical and public health systems across various residential schemes. This critical position demands technical expertise, commercial awareness, and exceptional coordination skills. Your ...

Production AI Engineer: Prompted LLMs in .NET

Kerridge Commercial Systems in Lamesley is looking for a hands-on developer to integrate AI features into established C# .NET codebases. The role emphasizes designing prompts, integrating LLMs, and delivering production-grade capabilities while ensuring high quality through evaluation and maintainability. </p ...

Senior C# Backend Engineer – Newcastle

Client Server is seeking a Senior C# Developer / Backend Software Engineer to join their team in Newcastle. This role offers an exciting opportunity to work on complex high-impact systems in the FinTech space, leveraging modern C# .Net technologies. The successful candidate will be responsible for deli ...

Senior Software Engineer: SaaS Cloud Migration Lead

Totalmobile Ltd is seeking a software developer with a strong background in VB.NET and C#. The role is based in Birmingham and involves developing and maintaining a codebase, supporting legacy system migrations, and collaborating with teams across Product, QA, and DevOps. The ideal candidate will have ...

C# .NET Application Support Specialist

Intercept IP is looking for a Talented Application Support Developer to join their team in Huddersfield. This position offers the opportunity to work on exciting projects and develop in-house digital products. The ideal candidate will design and maintain C# .NET code, manage service desk tickets, and i ...

Lead Rust Engineer for Scalable Distributed Systems

Ncounter Technology Recruitment is seeking a Rust Developer for a global investment firm’s Product team in Greater London. The role focuses on high-performance systems and platform reliability, working on critical technology that supports trading and research. You will design and maintain scalable syst ...

Senior PHP Backend Engineer — Scale & Impact

Develop is seeking an experienced Senior PHP Developer to join their backend engineering team in Fareham, England. You will modernise core systems, improve scalability, and support new features across high-traffic products. As part of a collaborative team, you'll design and optimise PHP-based APIs and ...

Senior C# Engineer Remote with Large Scale Impact

Oxbow Talent is seeking a Senior C# Developer for a fully remote role. In this position, you will engage in the full software development lifecycle, contributing to design, architecture, and development activities. The ideal candidate will have strong commercial experience with C# and .NET, and be comf ...

Senior Full Stack Engineer — Python/Django, Flutter, AWS AI

Client Server is looking for a Senior Full Stack Engineer / Developer to join their team in North London. The successful candidate will work on innovative AI workforce optimisation software that connects flexible temporary workers with hospitality clients, playing a key role in system transitions from monolit ...

C# .NET Backend Engineer – Azure, London Hybrid

Xcede Recruitment Solutions is looking for a C# .NET Developer for a contract position in London. The role offers an attractive rate of up to £530 per day inside IR35 and involves 3 days of onsite work per week, contributing to a major enterprise digital transformation programme. Essential qualifications include ...

Senior Full Stack Engineer: C#/.NET & AI‑First Platform

United States Digital Space LLC is looking for a Senior Full Stack Developer to join their Clearing Technology team in Greater London. This role focuses on leveraging AI-assisted development tools to enhance secure web-based platforms. Candidates should have strong expertise in C# .NET and Node.js and be comm ...

Platform Reliability Engineer Low Latency Infra & SRE

Selby Jennings, a leading engineering-driven crypto technology company based in London, seeks a platform engineer to enhance the reliability and performance of their production systems. The successful candidate will manage low latency infrastructures, improve observability, and streamline developer workflows. ...

Lettings Manager

The role: A leading property developer and operator is seeking a Leasing Manager for a new build-to-rent site in NW London. The role will involve managing a team of negotiators, driving occupancy and overseeing the leasing process. Responsibilities include: Carry out ...

Lead Commercial Manager

Lead Commercial Manager (Heavy Civils & Renewable) Salary: to £130k + package + excellent bonus / incentive scheme Based: London (SW1) Would you be interested in working for a forward thinking Owner, Developer and Build infrastructure company? </ ...

Assistant Quantity Surveyor

Assistant Quantity SurveyorManchester £30,000 - £40,000 + Comprehensive Package An excellent opportunity has arisen for an Assistant Quantity Surveyor to join a successful and growing residential developer delivering high-qu ...

Process Engineer

ob Title: Process Engineer / Process DeveloperLocation: BroughtonHours: 37 Hours per Week Working Hours Monday to Thursday: 7:45am 4:15pm, Friday: 7:45am 12:45pm Contract Type 12-Week Temporary to Permanent / Potential for Direct Permanent ...

C++ Software Engineer Linux Low Latency

C++ Software Engineer / Developer (Linux Low Latency) London to £200k Do you have expertise with backend, low latency C++? You could be progressing your career in a senior, hand-on role at a hugely profitable, long established Hedge Fund. What's in it for you: < ...

Assistant Quantity Surveyor

Assistant Quantity SurveyorManchester £30,000 - £40,000 + Comprehensive Package An excellent opportunity has arisen for an Assistant Quantity Surveyor to join a successful and growing residential developer delivering high-qu ...

Angular Front End Engineer — Space & Defense (Hybrid)

United States Digital Space LLC, located in Leatherhead, is seeking a self-motivated user interface developer to work collaboratively on innovative projects. The role demands strong skills in Angular, JavaScript, TypeScript, CSS, and HTML5, contributing to solutions in Space-based Intelligence and more. < ...

Senior AI Engineer: GenAI, Azure & .NET Microservices

Sivara GmbH in Glasgow is seeking a Senior Developer / AI Engineer to join a new AI team at the forefront of shaping AI delivery across the enterprise. You will deliver high-impact AI and software solutions, with opportunities to work on complex projects in a hybrid working environment. The role demand ...

Head of Marketing for AI Infrastructure & PLG Growth

Qdrant is seeking a Head of Marketing to own and scale their marketing function, focusing on strategies that drive enterprise adoption and community respect. This hands-on role reports to the COO and manages a team of 8 in a remote-first environment. The candidate must possess extensive B2B marketing e ...

Game Programmer: Engine, AI & Tools Expert

An established industry player is seeking a passionate game developer to bring innovative ideas to life in the gaming world. This role involves collaborating with talented professionals to create engaging game experiences across multiple platforms. You will be responsible for designing and delivering high-qualit ...

Full Stack Engineer: Route Optimization & ML in the Cloud

Investigo is looking for a full-stack developer to join their Birmingham team, focusing on developing innovative software and machine learning for vehicle logistics. This role encompasses both backend and frontend development responsibilities, including optimising performance and maintaining code quality. </p ...

Senior Android Engineer Kotlin, TDD & XP

Remotestar, a leading global fintech company, is seeking a highly skilled Senior Android Developer. This role calls for over 8 years of experience with expertise in Kotlin and a strong command of agile methodologies, Agile principles, TDD, and Extreme Programming. You will be responsible for designing, ...

Senior Backend Engineer (Node.js/TypeScript) Hybrid

CSG is seeking a skilled backend developer for a hybrid role based in Greater London. In this position, you will design, develop, and maintain scalable backend services using Node.js and TypeScript while collaborating with cross-functional teams. The ideal candidate will have significant experience in backend ...

Senior Core Banking Engineer – Cloud Native & APIs

Us Bank is seeking a Senior Core Banking Developer to design and implement core banking products on cloud-native platforms. This position requires over 5 years of relevant experience and direct experience with Thought Machine or similar systems. The role involves developing APIs, ensuring adherence to ...

AI Agent Development Intern — Marketing & Growth

IMAGE FRAME INVESTMENT (UK) LIMITED is seeking an intern for the role of AI Agent Developer. In this role, you will assist in developing and improving AI agents focused on marketing and user acquisition while collaborating with cross-functional teams. The ideal candidate is currently enrolled in a Comp ...

Senior Salesforce Platform Lead

TECHOHANA is looking for a Senior Salesforce Developer in Birmingham to drive the development and improvement of the Salesforce platform across Sales Cloud, Service Cloud, and Experience Cloud. This role involves hands-on development, administration, and engagement with key stakeholders. The ideal cand ...

Senior MES Systems Lead (OpenVMS & PROMIS)

Sivara GmbH in Towcester is seeking an experienced OpenVMS Developer to manage and optimise a critical Manufacturing Execution System environment. This hybrid role offers a salary of up to £70,000 per annum and requires strong experience in managing MES platforms and supporting enterprise production systems. ...

AI Agent Engineer — Build Production Grade Agents (Equity)

hackajob is looking for a talented AI developer in Greater London to design and deliver production-grade AI agents. Your role will include driving the complete Agent Development Life Cycle (ADLC), working closely with large enterprises to solve their critical business challenges. You'll play a key role in sha ...

Senior Python Engineer Health Tech (Hybrid, London)

Sivara GmbH, based in the West Midlands, is seeking a skilled software developer specializing in Python to design and implement innovative systems. The role involves collaborating with various departments to improve processes and tackle complex projects that enhance patient safety. The ideal candidate ...

AI Engineer: Build & Deploy Real World AI Systems

APITECH AI PTE. LTD. is seeking a talented AI Algorithm Developer in Penarth, UK. The role involves researching and developing LLM, Computer Vision, and NLP algorithms. You will work closely with product and engineering teams to ensure performance and stability of algorithm models. The ideal candidate ...

AI Powered Automation Engineer (Power Platform)

SSE plc in the United Kingdom is looking for a Developer to join their team focused on AI and automation capabilities. This role involves designing, building, and supporting modern solutions using Microsoft Power Platform and AI technologies. You will collaborate across teams to deliver user-friendly applicat ...

IoT Backend Engineer: Prototyping, Cloud & APIs

cThings Limited in Cambridge is looking for a mid-level software developer to contribute to the development of cutting-edge IoT devices and systems. The role involves tackling diverse software challenges, from firmware writing to machine learning analytics, and requires collaboration across all company areas ...

Remote Strategic Contracts Accounts Director UK Housebuilders

Haier Europe is seeking an Account Director to support our growth in the Contracts business. The role involves managing key accounts, driving sales strategy, and securing new contracts primarily within the Developer Market. Given the responsibility for joint business planning and commercial negotiations, cand ...

Senior Moodle Architect & Tech Product Owner

Instinct Resourcing is seeking a Senior Moodle Developer & Technical Product Owner to spearhead the evolution of a global digital learning platform. This hands-on role requires deep Moodle development expertise and technical product ownership. Your responsibilities will include leading development effo ...

Dynamics 365 Consultant for NFP & Membership Sectors

Situations Vacant Ltd is seeking a Microsoft Dynamics CRM/365 Consultant or Developer to join their Membership Engagement application delivery team. This role requires experienced candidates with over 4 years of consultancy experience in Dynamics CRM, particularly in the Membership and NFP sectors. You ...

Senior Frontend Platform Engineer London

Proxime Limited is seeking a Senior Front End Software Developer in London, offering a salary of £50K DOE. This is a key position within the core platform team, where you will work on technology that underpins all customer-facing products. The role requires extensive experience in building large-scale website ...

Embedded Linux Software Engineer Flexible Hours

BitBox Limited, located in Basingstoke, is seeking an experienced software developer specializing in embedded systems. The ideal candidate will have at least 5 years of experience in embedded software development and extensive knowledge of the C programming language. You will work on varied projects that enha ...

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    Junior Java Fullstack Developer Spring Boot React Jobs in United Kingdom Job Search Guide, Trends and Insights