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

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Water Treatment / Water Hygiene Engineer

Water Treatment / Water Hygiene EngineerAdd Resource and Labour – Hartlepool, County Durham£30,000 - £35,000 Base (depending on experience) + overtimeMonday to Friday25 days holiday + Bank holidays + Pension + Life AssuranceThe Company….This well renowned Company i ...

Faculty Dean Research (Internal) Science and Health

***Internal Applicants only***Faculty Dean Research (Science and Health) and Professor/Reader/Senior LecturerWe are seeking to appoint a Faculty Dean Research in the Faculty of Science and Health.Reporting to the Executive Dean (Science and Health) and working closely with the Pro ...

Strategy Manager AI for Tech Transformation Program

Role OverviewWe are seeking a motivated and analytically sharp VP Strategy Manager to support the AI for Tech Transformation Program, a high-visibility initiative driving JPMorganChase's adoption of generative AI across its technology organization. This role requires the ability to flex between ...

Staff Software Engineer

Staff engineering at Opus 2 is about what happens when complex problems span multiple teams or systems and someone needs to make them tractable. You'll set technical direction across a domain, lead the work that no single squad can pick up alone, and shape how the engineering organisation builds software a ...

Rust Quant Developer: Real Time Low Latency Systems

develop, a fast-growing engineering-led company in Greater London, seeks a Rust Quant Developer to join their high-performance systems team. This role involves writing efficient code for complex systems and scaling distributed platforms. You will optimize Rust-based systems, develop data pipelines, and ...

Remote UK .NET Developer — AI, Cloud & Full Stack

Noir is seeking multiple gifted .NET Developers in Exeter, UK. This is a chance to join a pioneering company that has revolutionized its industry with groundbreaking software solutions. The ideal candidates should be passionate about .NET technologies, including .NET Core, C#, and Azure SQL. Full train ...

Lead SQL Developer, Trading Desk | Azure & C#/.NET

Prism Digital is seeking a Principal SQL Developer to join their trading desk tech team in London. You will be responsible for leading the internal trading dashboard that is essential to daily trading activities, working closely with traders and quantitative researchers. The position requires expertise ...

Senior PHP/Laravel Backend Developer to Tech Lead

Charles Jenson Recruitment is looking for a Senior PHP/Laravel Developer to join their expanding team in Aylesbury. This role is ideal for developers who are passionate about coding and eager to advance their careers. The ideal candidate will possess strong PHP and Laravel skills, communicate effective ...

Senior C# Developer: Front Office PnL & Risk Platform

Lorien is seeking an experienced Senior C# Developer to join a leading investment bank's high-performing PnL Explain development team. This role involves building and enhancing a data warehouse platform and a front-office web-based reporting application, providing an excellent opportunity to work on business- ...

Drupal Developer £450 / Outside IR35 / Working from Home

Drupal Developer - £450 / Outside IR35 / Working from Home PHP / Drupal Developer £450 per day (12 Months+ / Option of working from Remote / Outside IR35) Opportunity to work in a small team to maintain and add features to an existing Drupal based website for the UK transport indu ...

Investment Systems Developer SSRS, T SQL & C# VB

PAW Associates is seeking an Analyst Developer in City EC1 to join their Portfolio Management team. This varied role offers direct contact with the Investment and Trading sector, enriching your experience with investment systems and processes. Candidates should have 1 to 2 years of technical developmen ...

Dynamics 365 & SharePoint App Developer Onsite to Hybrid

Experis - ManpowerGroup is seeking an Application Developer for Microsoft Dynamics 365 in Bristol. This role is initially onsite and will transition to a hybrid model after 6 months. The successful candidate will have essential skills in SharePoint administration, application technical support, and pro ...

Full Stack Developer — Sports Betting Web Apps & Perks

New Route Recruitment Limited in Bristol is seeking a skilled developer to join their team responsible for the enhancement of their websites and APIs. The role involves coding, testing, and ensuring product quality for a rapidly expanding sports betting affiliate. Ideal candidates will have a relevant ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute is seeking a C++ Quant Developer in Dunfermline to enhance its trading platform. Candidates should have a strong background in C++, along with analytical skills and an interest in quantitative trading. This role offers opportunities to implement major projects and improve critical systems wh ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute is looking for a C++ Quant Developer passionate about technology in Northampton, United Kingdom. This role focuses on improving trading systems and data infrastructure, offering significant responsibilities from the start. The ideal candidate will have a strong background in C++, understandi ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute, a leading algorithmic trading company in Cardiff, is seeking a passionate C++ Quant Developer. You will develop data infrastructure, improve trading systems, and handle impactful projects with flexibility. The ideal candidate has at least 2 years of C++ experience, strong analytical skills, ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute in Guildford is seeking a C++ Quant Developer who is passionate about technology and has at least 2 years of C++ experience. You will develop data infrastructure and improve the trading platform while working closely with experienced developers. The role involves varied responsibilities incl ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute is seeking a passionate C++ Quant Developer to enhance our trading platform and data infrastructure in Sunderland, England. The ideal candidate will enjoy both low-level hardware details and high-level system design. Responsibilities include developing data infrastructure for analytics, upgr ...

C# .NET Developer for Hardware‑Integrated Software (AWS)

Redline Group Ltd is seeking a C# Developer to join their innovation division in Newbury. In this role, you'll engage in the full software development lifecycle, developing applications and services while collaborating with engineers. The position demands strong skills in C# and .NET, with responsibili ...

Lead WooCommerce Developer E‑commerce Renewal for B2B

United States Digital Space LLC is seeking an experienced developer to lead a significant e-commerce redevelopment project focused on creating a modern WooCommerce website. This full-time role is based in Bromley and involves responsibilities from initial design to final implementation. Candidates shou ...

SQL Developer Hybrid (2 Days WFH) | Performance & Indexing

Gold Group, based in Maidstone, Kent, is seeking an experienced SQL Server/T-SQL Developer. This role offers hybrid working with 2 days from home and a competitive salary of £45,000 to £55,000 per annum. Key responsibilities include optimizing T-SQL queries, improving database design, and resolving per ...

Lead Developer — Hands On Tech Leader for Growth

itecopeople, based in Warmfield, is looking for a Lead Developer to shape the next phase of software and digital transformation. This influential position involves hands-on technical work, leadership, and project delivery, with a focus on building internal capabilities and reducing reliance on outsourcing. </ ...

Senior WooCommerce Developer / E commerce UX & UI Lead

Company overview the company is a growing UK supplier of solar, battery, electrical and off‑grid power products. We sell a wide catalogue of technical products to both retail and trade customers, with an increasingly strong B2B customer base. We are undertaking an important redevelopment ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute in Southend-on-Sea, England, is seeking a C++ Quant Developer passionate about technology and data infrastructure. This role offers the chance to impact trading by developing and improving the trading platform. Ideal candidates have at least 2 years' C++ experience, strong analytical skills, ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute, a leading crypto-native algorithmic trading company, is seeking a C++ Quant Developer passionate about technology and data infrastructure. This role allows significant independence and the chance to impact trading dynamics by enhancing the trading platform directly. The ideal candidate will ...

Backend Developer: E Commerce Core API & Payment Orchestration

Description Experience Level: Expert Job Type: Hourly (Ongoing/Part-time) We are expanding the core capabilities of our rapidly growing e-commerce ecosystem and are looking for a highly skilled Backend Developer. This is an hourly contract focused on building out resilient financial inf ...

Senior C# Developer — Fully Remote (UK) & Scalable Systems

Oxbow Talent is seeking a Senior C# Developer to join an innovative engineering team. This fully remote role offers the opportunity to work on large-scale projects, contributing to technical direction and building modern applications. Applicants should have strong experience in C# and .NET, familiarity ...

D365 Developer + Power Platform Expert (6 Month Contract)

ARM is seeking a contract Microsoft Dynamics Developer based in Farnborough. The role involves working with D365, designing customisations, and collaborating with teams to implement solutions. Ideal candidates should be certified in Dynamics 365 and have experience with Power Platform. This position of ...

DevEx Senior Consultant Developer Experience & CI/CD Lead

A leading technology consultancy in Greater London is seeking a DevEx consultant to improve developer workflows and productivity. You will lead initiatives, streamline processes, and implement automation tools while collaborating with various teams. The ideal candidate has a solid understanding of CI/CD pipeline ...

Full Stack CMS Developer (Sitefinity/Umbraco/C# .NET)

TSD is a leading technical integration and engineering company that specializes in bespoke applications, e-commerce, and systems integration. We work on a variety of projects, ranging from real-time bidding systems and high-traffic e-commerce websites to big-data analytics and high-speed transactional midd ...

Remote .NET Developer — Fast Track Growth in Birmingham

A global video technology company is seeking a .NET Developer to work in Birmingham or remotely. You will be part of a rapid career progression programme with opportunities for promotions and pay rises within 12 months. Strong experience in .NET is required, along with the ability to work effectively in a remote ...

Software Developer – High Performance I/O & Storage Systems

Software Developer – High-Performance I/O & Storage Systems Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. The role focuses on developing high-performance backend services and APIs that integra ...

Senior Web Developer: Build High Impact .NET Solutions

The MTM Agency, based in Southampton, is seeking a Senior Web Developer to ensure high code quality and drive process improvements. You'll collaborate with technical architects and engineers to deliver high-standard projects. Key responsibilities include software development, project management, and pa ...

Oracle APEX & PL/SQL Developer — Submarine Fleet, Hybrid

ARM is seeking an Oracle Forms Developer for a 6-month contract based in the United Kingdom with hybrid working from Leicester or Bristol. The successful candidate will play an active role in engineering support for the UK naval fleet. Key responsibilities include leading requirements analysis and deve ...

Front Office Developer: SQL & .NET in Finance – London

Hunter Bond in Greater London is seeking a Front Office Developer to enhance internal applications and data systems. This role offers collaboration with senior stakeholders, focusing on the development of business-critical platforms. The ideal candidate will possess a strong background with SQL Server ...

Senior KDB Developer FX Analytics & Tick Data Automation

TESTQ Technologies Limited is seeking a skilled developer to enhance the Global FX MI and Analytics platform in Greater London. The role with a strong emphasis on application security includes responsibilities such as developing key analytics features, collaborating with teams to implement solutions, and ensu ...

Security Cleared Algorithm Developer (On Site 4 Days)

Important: All applicants must be able to obtain Security Clearance and must hold British Nationality as their primary nationality. Dual Nationals can be considered. Working: The role offers flexible working but does require engineers on site for 4 days per week and is a on ...

Lead Data Scientist (Model Developer) / Deep Learning Practitioner

Responsibilities Lead the development of next generation deep learning approaches to advance our current underwriting models, to ensure that our core lending capabilities remain at the forefront of the industry. Unlock the value in non-traditional datasets by building sophisticated neural ...

Lead Data Scientist (Model Developer) / Deep Learning Practitioner

Responsibilities Build sophisticated neural networks (e.g. LSTMs, RNNs, or Transformers) to work with non‑traditional datasets. Find novel ways to transform raw, multi‑modal inputs into powerful predictive features. Collaborate with business stakeholders to prioritize initiatives and bridge the g ...

Lead Data Scientist (Model Developer) / Deep Learning Practitioner

Responsibilities Lead the development of next generation deep learning approaches to advance our current underwriting models, to ensure that our core lending capabilities remain at the forefront of the industry. Unlock the value in non-traditional datasets by building sophisticated neural ...

Senior SAP Developer Hybrid UK, Driving SAP Innovation

weServed is looking for a Senior SAP Developer to be part of our digital transformation effort, delivering innovative SAP solutions supporting critical operations. This role is hybrid with flexible working arrangements. The ideal candidate has a strong SAP background and knowledge of OData, ABAP, Fiori ...

Cloud BI Developer | Self Serve Dashboards & Data Quality

Aviva Plc is seeking a Business Intelligence Developer in Norwich to enhance BI platforms and ensure valuable data insights are easily accessible. Expect a competitive salary starting at £35,000, with an 8% bonus opportunity based on performance. The ideal candidate will be involved in designing self-s ...

Power BI Developer: Build Insightful Dashboards & Automated Reports

A leading consulting firm in Greater London is looking for a Power BI Developer to design and deliver data visualization solutions. The role involves developing dashboards, maintaining data accuracy, and supporting analytics platform governance. Ideal candidates will have strong Power BI expertise and a collabor ...

Remote .NET Developer Shape the Future of Reading

Noir, a leading e-book firm, is looking for a .NET Developer to join their team in Manchester. This role will involve developing innovative products that enhance the reading experience while collaborating closely with a dynamic tech community. You will gain industry-recognized training in key technolog ...

Python Counterparty Credit Risk Senior Developer, Vice President

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide.The team's primary focus is the development, testing, deployment, ...

Senior System Developer 1 Year Fixed Term Contract

Senior System Developer - 1 Year Fixed Term ContractAbout the roleAre you an experienced full-stack developer looking to take the lead on complex, high-impact digital solutions?We’re looking for a Senior System Developer to play a key role in delivering secure ...

C++ Developer – Options | London, New York, Miami, Sydney

Salary: up to £250k UK + bonusLocations: London, New York, Miami, Sydney SummaryFantastic opportunity for a strong C++ software engineer to gain experience in options market-making at a globally successful firm. This role offers the opportunity to contribute to on ...

Tech Lead AI Platform & Developer Experience (DevEx)

Gravitee is a 2025 Gartner® Magic Quadrant™ Leader, on a mission to govern the world’s intelligence.We deliver the industry’s most advanced platform for Any API, Any Event, and Any AI Agent, trusted by global leaders ...

Senior Market Risk Developer – Historical Timeseries (Vice President)

Senior Market Risk Developer – Historical TimeseriesPosition / Group description:The Risk Technology group builds and supports a global risk platform enabling the Risk Management group to oversee all areas of risk across the Firm. The risk platform provides capabilities for measuring, ...

C# Developer – Sign‑Side Apps (4‑Day Week)

A leading out-of-home media company in Bolton is seeking a mid-level C# developer to enhance sign-side application services. The ideal candidate will have proven experience with C# and .NET APIs, along with strong debugging skills and familiarity with Agile/Scrum methodologies. This role involves writing efficie ...

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