321,919+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Fixed Income SRE: Real Time Data & Trading Systems

A leading financial consultancy in London is seeking a Consultant experienced in programming, specifically C++ or Java. The successful candidate will be responsible for developing and maintaining data services for fixed income trading. Key tasks include optimizing databases and creating APIs for researchers and ...

Senior Penetration Tester — Hybrid, High Impact Security

FSP is seeking a skilled Senior Penetration Tester to join their Cyber Security practice in Greater London. The ideal candidate will have at least 2 years of experience in penetration testing or vulnerability research, and be proficient in programming languages like C/C++, C#, Java, and Python. This role involve ...

AI Platform Lead for Identity & Fraud Solutions

RELX is seeking a Technical Lead to guide a multidisciplinary team in delivering AI-powered services in digital identity and fraud detection. The role combines technical leadership, project management, and mentoring in a dynamic AI environment. Ideal candidates have over 7 years in ML engineering with ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows. Candidates should have a Maste ...

Applied Scientist, Prime Video Commerce Personalization

Amazon in Greater London is seeking an Applied Scientist for Prime Video Commerce Insights. You will innovate and implement recommendation systems that enhance customer experiences using advanced machine learning techniques. This role involves collaborating with engineers and providing thought leadersh ...

Senior Technical Consultant & Solutions Architect

GBST Holdings Ltd in Greater London is looking for a Technical Consultant to lead technical engagements across key clients. You will ensure high-quality solutions, mentor junior staff, and drive the architectural alignment with client goals. This role requires extensive experience with Agile methodolog ...

London based Quant Engineering Lead – Derivatives

Quant Capital is looking for a Head of Quant Engineering to lead their engineering efforts. The role is based in London, United Kingdom, and offers a competitive salary of up to £250,000. Candidates should have a solid background in Quant Modelling and programming experience in C++, C#, or Java. An und ...

Taunton CSCS Counterbalance Forklift Driver & Labourer (Day/Night)

JAVA RECRUITMENT LIMITED is seeking a CSCS Counterbalance Forklift Driver for a temporary position in Taunton, Somerset. The job offers a pay rate ranging from £18 to £20 per hour, with 12-hour shifts over 8 weeks starting June 24th. Candidates must be flexible for day and night shifts and perform laboring du ...

Test Automation Lead: UI/API & CI/CD Architect

Inspired Testing is seeking a Test Automation Lead to enhance automated testing processes. This hybrid role, based in Leeds or Bradford, requires strong hands-on experience in automation engineering and the ability to mentor other engineers. You'll design and improve automated frameworks, integrate testing into ...

Test Lead — Automation & UAT Orchestrator (Hybrid)

Hastings Direct is looking for a dedicated testing professional to manage release test schedules, create automated test suites, and identify testing gaps. The role requires experience in front-end, back-end, and API testing, along with test automation skills using programming languages like Java or Python. </ ...

Salesforce Developer: GenAI, APIs & Wealth Tech

Join 3761 Barclays - BX - UK in Glasgow as a Salesforce Developer within Private Bank Wealth Management. This role supports a large-scale front office productivity programme and involves building backend microservices, API-led integrations, and scalable workflows on Salesforce. The candidate will work ...

Electrical Improver: Steel Conduit Expert, Immediate Start

JAVA Recruitment Ltd is seeking 5 x ECS Electricians Improvers in Bexhill-on-Sea for 7-8 months. Candidates must have experience working on steel conduit and hold an ECS improver or labourer card. Offers £20.00 per hour paid under CIS, with working hours from 7.30am to 4.30pm, Mondays to Fridays, inclu ...

Director of AI Powered Corporate Actions Platform

慨正橡扯 is looking for a Director - Application Development Manager to lead the design and delivery of a greenfield Corporate Actions Processing Engine in London. This strategic role combines technical expertise with architectural leadership, guiding teams in transformational projects within financial services. ...

Senior Applied Scientist, Optimization for EU ATS

Amazon EU SARL (UK Branch) is looking for a Senior Applied Scientist specializing in Optimization. The role is based in London and requires a Master's degree as well as expertise in programming languages like Java, C++, and Python, as well as machine learning and neural deep learning methods. The posit ...

Engineering Manager AI Driven API Platform (Hybrid)

A leading AI and API management company in the UK is seeking an Engineering Manager to foster and lead high-performing teams. In this role, you'll bridge traditional management with AI technologies, ensuring scalable and high-quality development. Ideal candidates have over 10 years in engineering leadership, inc ...

Senior Power Market Modelling & Optimisation Specialist

A leading investment technology firm in the UK is looking for a Principal Consultant to enhance power market models that directly support trading decisions. This hands-on role combines mathematical modelling, optimisation, and programming in Python and Java while collaborating with traders and engineers. The ide ...

Principal Data Architect — Cloud Data Platforms for AI

Energy Jobline ZR is seeking a Principal Data Architect in Greater London to lead the design and delivery of scalable, cloud-based data solutions. You will work with cross-functional teams to define requirements and deliver high-quality data architectures. The ideal candidate has a strong track record ...

FX Algo Quant Analyst — Hybrid & Impactful Modelling

Citigroup Inc. is seeking a Quantitative Analyst to join the FX Algo Quant team in London. This role focuses on FX Swaps and curve construction, involving the development of models to automate pricing and risk management for FX products. The ideal candidate will have strong programming skills in Python ...

Python Developer for Fixed Income & Core Architecture

Purview is seeking a skilled Python Developer to join their team in Glasgow, UK. This permanent role involves developing Athena, Quartz, and SecDB while ensuring a solid understanding of the core architecture and design. Ideal candidates should have strong experience in Python programming or Java appli ...

Senior Data Engineering Lead for Enterprise Platforms

Realtime Recruitment is seeking a Data Engineering Lead / Manager in Edinburgh. This role requires over 8 years in data engineering and a strong ability to manage and mentor a team while being involved in hands-on development. Candidates should have experience with Oracle databases, enterprise SQL, and Java, alo ...

Senior Low Latency Trading Systems Engineer

White Swan Data is hiring a developer to build cutting-edge trading systems that optimize cloud-based low-latency data processing pipelines. Candidates must have strong skills in Python and Java, along with experience in Google Cloud Platform and Docker. The position offers numerous benefits including ...

GenAI Platform Lead — VP, AI/ML & Fintech Innovation

慨正橡扯 in Greater London is searching for an Applied AI ML Lead to join its innovative team. You will design and deploy scalable GenAI applications, ensuring compliance with data privacy and security standards while mentoring colleagues. The ideal candidate has 5+ years of experience in AI/ML, proficient ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows. Candidates should have a Maste ...

Big Data Engineer (Python) ETL & Pipelines

Information Tech Consultants is hiring a Big Data Developer to start on 14th July 2026. This role requires strong experience in Python and experience in building scalable data pipelines and ETL processes. The ideal candidate will have 2–5 years in data engineering with knowledge of SQL, Scala, and Java ...

Lead Application Developer & Tech Mentor (Mobile Focus)

Eclipse Total Solutions Ltd, located in Swindon, is seeking a technical enthusiast to report directly to the CIO/Owner. This role involves mentoring others while playing a crucial part in the decision-making process. While understanding business systems and financial applications is a bonus, an interes ...

Senior API Test Engineer – Automation & Quality Lead

Amber Labs Ltd is seeking a skilled App Remediation specialist in Manchester to design and maintain API automation frameworks. The role calls for collaboration with developers, analysts, and DevOps engineers to build scalable solutions and implement test strategies. Ideal candidates should exhibit stro ...

Engineering Manager, Clearing Platform & Trade Lifecycle

London Stock Exchange Group is seeking an Engineering Manager to lead development efforts for the CDSClear Clearing Platform in London. You'll manage a team and collaborate closely with stakeholders to ensure high impact delivery. The ideal candidate will have system design knowledge, experience with a ...

Engineering Leader, Fintech Platform for Back/Middle Office

A leading financial technology firm is seeking a senior engineering leader to drive the development of middle and back-office platforms. The role requires expertise in C# or Java, along with strong domain knowledge in private credit, fixed income, and related asset classes. You will lead engineering teams, overs ...

London based Quant Engineering Lead – Derivatives

Quant Capital is looking for a Head of Quant Engineering to lead their engineering efforts. The role is based in London, United Kingdom, and offers a competitive salary of up to £250,000. Candidates should have a solid background in Quant Modelling and programming experience in C++, C#, or Java. An und ...

FX Algo Quant: Build Pricing & Risk Models

Citi is seeking a Quantitative Analyst to join the FX Algo Quant team, focusing on FX Swaps and curve construction. The role involves creating and improving models for pricing and risk management, requiring strong communication skills and commercial awareness. The ideal candidate will have relevant exp ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows. Candidates should have a Maste ...

Senior Quantitative Analyst: Model Risk & Pricing

Bullhorn Consultants Pvt. Ltd. seeks a Sr. Quantitative Analyst to work closely with a global bank's model development team. You'll develop and enhance models to support business activities and regulatory mandates. The role requires strong knowledge in quantitative finance, including various pricing models an ...

Senior Backend Engineer Scalable Payments Platform

United States Digital Space LLC is seeking a candidate to join their Contacts team, focusing on scaling backend solutions for a recipient management product. Your role will involve collaborating closely with engineers and designers, ensuring customer experience is at the forefront of development. Ideal ...

Global Fixed Income Tech Lead Hybrid & Growth

Citibank (Switzerland) AG is seeking an Applications Development Lead in Greater London to oversee critical application development for the Markets Financing desk. This senior role includes designing resilient back-end systems and collaborating with business stakeholders to ensure regulatory compliance. Candidat ...

Applied Scientist, Prime Video Commerce Personalization

Amazon in Greater London is seeking an Applied Scientist for Prime Video Commerce Insights. You will innovate and implement recommendation systems that enhance customer experiences using advanced machine learning techniques.This role involves collaborating with engineers and providing thought leadershi ...

Senior Applied Scientist, Optimization for EU ATS

Amazon EU SARL (UK Branch) is looking for a Senior Applied Scientist specializing in Optimization. The role is based in London and requires a Master's degree as well as expertise in programming languages like Java, C++, and Python, as well as machine learning and neural deep learning methods.The positi ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows.Candidates should have a Master ...

Applied Scientist: Ad Matching & Personalization

Amazon Development Centre (London) Limited is seeking an Applied Scientist to optimize ad matching in programmatic advertisements. Responsibilities include designing deep learning models and improving their performance. Candidates should have strong programming skills in Java, C++, or Python along with a rele ...

QMS Improvement Engineer

Join to apply for the QMS Improvement Engineer role at TieTalent 6 days ago Be among the first 25 applicants Join to apply for the QMS Improvement Engineer role at TieTalent Do you have experience dealing with ...

CMMS Implementation Engineer – 6 Months FTC

Contract: 6-month fixed-term contractStart Date: Immediate start preferred Are you an experiencedCMMS Implementation Engineer, Asset Systems Engineer or Maintenance Systems Engineer looking for a high-impact fixed-term project? Our client is a growing renewable e ...

IT Engineer

Salary £26,500/- Hours 37.5 hours 5 days a week. Location Rustington BN16 3DA Employer TEQSYS LTD T/A TEKKYS Duties The IT Engineer / Computer repairer will be taking care of design, installation, configuration, upgrade ...

Lead Quality Assurance Engineer

Permanent and Contract Recruiter - Connecting Top Talent Lead QA Engineer | Fully Remote | £60,000-£65,000 Our client is looking for a QA Lead to take ownership of testing and release processes in a fast-paced, high-performance software environment. This role ...

Process Engineer

Company Description: MINO Process Control Limited is at the cutting edge of engineering process control. Based near Wimborne in Dorset we design, engineer, build and commission process control software for the world’s metals processing industries. Our portfolio of customers includes some of the ...

Graduate Technical Support Developer

IT Jobs Newbury, England £24999 - £25000 per annum Permanent Apply Now Graduate Technical Support Developer Graduate Technical Support Developer – C#, T-SQL, ASP.NetJob Type: Permanent Location: Home based but with regular travel to Newbury, Berkshire Post ...

Field Service Engineer Epsom, Redhill, Woking

Field Service Engineer - Epsom, Redhill, Woking Shape the future of access with APT Skidata! As the exclusive UK supplier of SKIDATA's car access control, we provide seamless, secure solutions for car parks, airports, and venues nationwide. We offer cutting‑edge tech and local expertise. Join our ...

Field Service Engineer Epsom, Redhill, Woking

Field Service Engineer - Epsom, Redhill, Woking Shape the future of access with APT Skidata! As the exclusive UK supplier of SKIDATA's car access control, we provide seamless, secure solutions for car parks, airports, and venues nationwide. We offer cutting‑edge tech and local expertise. Join our ...

Field Service Engineer Epsom, Redhill, Woking

Field Service Engineer - Epsom, Redhill, Woking Shape the future of access with APT Skidata! As the exclusive UK supplier of SKIDATA's car access control, we provide seamless, secure solutions for car parks, airports, and venues nationwide. We offer cutting‑edge tech and local expertise. Join our ...

Controls Engineer

Salary: £45,000 - 55,000 per year Requirements Bachelor’s degree in Electrical and Electronic Engineering or a Controls-based qualification. Ability to develop and design code for PLC and HMI systems. Proficiency in reading and understanding electrical an ...

Controls Engineer

Salary: £45,000 - 55,000 per year Requirements Bachelor’s degree in Electrical and Electronic Engineering or a Controls-based qualification. Ability to develop and design code for PLC and HMI systems. Proficiency in reading and understanding electrical an ...

IT Engineer Global Engineering business REF 1108

Company: More than 70 years inside the engineering sector, globally. The organisation is committed to being the premier supplier of high quality, standard, modified standard and custom engineering solutions. The flexibility of their products, and the experience of their engineering design te ...

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    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights