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Space Systems Software Engineer (Embedded/RT)

Alexander Associates Technical Recruitment is seeking a Software Engineer in Greater London to develop and maintain software for space-based systems. The successful candidate will contribute to mission-critical technologies and work within multidisciplinary teams. Strong programming skills in C++, Python, or Rus ...

Senior Java Software Engineer Customer Services

Overview Starling is the UK's first and leading digital bank on a mission to fix banking. We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We're a fully licensed UK bank with the culture and spi ...

Senior Software Engineer & Tech Lead (Mentorship)

Once For All Limited is seeking a Senior Software Developer to join their technology team in Basingstoke. This role involves technical ownership of projects, mentoring junior developers, and enhancing software engineering practices. Candidates should have over 5 years of experience and proficiency in C#, Pyth ...

Software Engineer, Apple Cloud Object Store

Summary Join the Apple Cloud Object Store (ACOS) team as a Software Engineer with a focus on security. The ACOS team, part of the Apple Services Engineering organisation, is one of the most critical infrastructure teams at Apple, storing and serving petabytes of data across Apple's services. The ...

Principal Software Engineer (Search Scaling, Elasticsearch)

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intellig ...

Senior Algo Trading Software Engineer (VP)

## Senior Algo Trading Software Engineer (VP)Applyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: **Discover your future at Citi**Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 de ...

Staff Software Engineer, Warehousing & Cloud Apps

Marks and Spencer is looking for a skilled software engineer to lead the development of robust backend systems and cloud applications. You will shape engineering standards and mentor fellow engineers, participating in a transformative journey towards a digital-first organization. The role demands experience in s ...

Java Software Engineer Greenfield Trading Platform

A tech-centric startup in London is seeking a Java Software Developer to join their innovative team in the sports betting hedge fund sector. The role involves collaborating with talented researchers and engineers to develop integrations and support trading models. Ideal candidates will have a strong foundation i ...

Senior Software Engineer/SRE Application Middleware

Description & Requirements Senior Software Engineer/SRE - Application Middleware Location London Business Area Engineering and CTO Ref # Are you passionate about building high-performance systems that are fast, resilient, and operate at global scale? Join ...

Staff Software Engineer (Short Term Credit)

We’re on a mission to back the UK’s small businesses like no one else. Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, we have the rest ...

Rust Software Engineer — Live Trading Systems

A leading technology-driven market-making firm in Greater London seeks a Rust Software Engineer to join their new engineering hub. This role requires 2–5+ years of software engineering experience and solid Rust proficiency, as well as strong systems programming principles. You will take ownership of features fro ...

Application Software Engineer Relocation to Tokyo

Overview At Wayve we are committed to a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital or domestic status, sexual ori ...

eDV Cleared Software Engineer OUTSIDE IR35

DV Cleared Java Software Engineer – Outside IR35 iO are looking for 5x experienced eDV Cleared Software Engineers with strong Java development expertise to join a long standing client of ours within the National Security sector. This is a long-term contract opportunity operating out ...

Senior Software Engineer (Python/Rust) London

Validus is looking for a financial software engineer to join our back-end team. This team is responsible for designing, implementing and maintaining the systems and services powering the rapidly growing, award-winning technology offering at Validus. The back-end team is part of the broader technolo ...

Senior Software Engineer Rock Physics Applications

Senior Software Engineer - Rock Physics Applications We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges ...

Senior Software Engineer & SRE Middleware Reliability

A leading financial technology company in London is seeking a Senior Software Engineer for their Application Middleware SRE team. You will be responsible for building resilient systems and improving reliability across critical infrastructure. Ideal candidates should have a degree in Computer Science or related f ...

AI Driven Software Engineer – Central London

The UK Intelligence Services is seeking a Software Engineer to enhance AI capabilities within MI6, based in Central London. You'll support the organization's mission through technical excellence and collaboration, improving software practices to optimize AI integration. Key responsibilities include dev ...

Senior Software Engineer, Authentication & Authorisation (Backend)

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairn ...

Software Engineer, Modelling & Simulation, Advanced Capabilities

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military ...

Python Software Engineer: Trading Systems Innovator

A global proprietary trading firm in Greater London is seeking a Software Engineer proficient in Python. This role involves refining trading systems and collaborating with quants and traders on innovative applications. The ideal candidate will have a Bachelor's degree in Computer Science or a related field and a ...

Software Engineer Cumberland/FICCO Tools Engineering

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Energy Operations Software Engineer (Post Trade)

A leading financial services company in London seeks a Software Developer to join the Operations Technology team. You will enhance applications critical to post-trade operations, ensure regulatory compliance, and collaborate with various stakeholders. Ideal candidates are experienced in C# .NET, Docker, and clou ...

Senior Algo Trading Software Engineer (VP)

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overv ...

Senior Software Engineer, Market Making Platforms

A global financial services platform is seeking a Market Making Senior Software Developer in Greater London. This crucial role involves delivering technology solutions to enhance market making capabilities across diverse asset classes. The ideal candidate will possess strong skills in JavaScript and cloud servic ...

Forward Deployed Software Engineer, Internship Commercial

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, an ...

Software Test Integration and Automation Engineer

Software Test Integration and Automation Engineer Full-time Contract Type: Permanent Region: London ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sect ...

Industrial Automation Software Engineer: PLC & Robotics

HR GO Recruitment is seeking a Software Engineer based in the St. Neots/Huntingdon area, focusing on the development and support of software for industrial processing equipment. The role involves programming PLC and HMI systems, working with a skilled software team on innovative automation solutions. T ...

Software Engineer FX & Cross Border Payments

Crown Agents Bank Ltd. is seeking a Software Engineer for their FX and Cross-Border Payments team in London. Responsibilities include designing and implementing scalable solutions and participating in architectural decisions. Candidates should have over 3 years of software development experience and be proficien ...

Principal Software Engineer Hybrid: Cloud & DevSecOps

A leading aerospace and defence firm in the United Kingdom is hiring a Principal Software Engineer. In this role, you'll focus on software development while guiding junior team members. The position offers a hybrid work model. Candidates must hold SC clearance and be eligible for DV clearance. The firm provides ...

Software Engineer – WMS & Logistics (Dynamics 365)

A leading retail company in Upper Langwith is looking for a Software Engineer to join their team. This role involves configuring Dynamics 365 solutions and developing custom applications within a dynamic retail environment. The successful candidate will have a strong background in C#, Azure, and SQL Server. The ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (Backend, Python & AWS) – Travtus London (Hybrid – 3 days/week in Farringdon office) • Full-time • Salary: £60,000-£80,000 Job Summary We’re building the next generation of AI products in Multifamily real‑estate. We need a backend engineer to architect reusable ...

Radar R&D Scientific Software Engineer

We're looking for an exceptional Scientific Software Engineer in Radar R&D to help us make a difference to our planet. As our software engineer the job may be suitable for hybrid working, which is where an employee works part of the week in the office and part of the week from home. This is ...

Staff Software Engineer, Warehousing Cloud & Automation

A renowned retail company in London is seeking a Software Engineer to build and maintain high-quality cloud infrastructure solutions. Key responsibilities include enhancing engineering standards and mentoring team members. The ideal candidate should have robust backend system development experience, and proficie ...

Payments Systems Software Engineer Hybrid (Edinburgh)

A leading banking institution in Edinburgh is seeking a Software Engineer to support Instant Payments products and enhance their Faster Payments Gateway. The ideal candidate will have experience with Java, Spring Boot, and agile practices while enjoying a hybrid work pattern. This role provides opportunities for ...

Repo Trading Software Engineer Associate (London)

A leading global investment banking firm is seeking a Software Engineer - Associate in London. This role will involve designing and developing software solutions for electronic trading and working closely with traders and other engineers. Candidates should have a Bachelor's or Master's degree in Computer Science ...

Devices Software Engineer (C#/.NET, Microservices)

A tech consulting firm in Poole is seeking a Software Engineer to join their Devices Team. This position involves developing microservice-based solutions largely in C# within a Scrum team. Candidates should have at least 1 year of experience in C#/.NET software development and familiarity with REST interfaces. T ...

Software Engineer – F1 Performance Tech & Strategy

At Red Bull Racing & Technology, we don’t just compete - we innovate, disrupt, and push beyond the limits of performance. We are driven by relentless ambition, cutting-edge technology, and the determination to win at every level. Collaboration is at the heart of everything we do, and we thrive on trust, cr ...

Software Engineer, Menu Systems (Remote NI)

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, loyalty and guest engagement solutions enable brands to do more with less and make ever ...

Junior Software Engineer (IT Systems & Security)

Description Department: Software Engineering Location: London As a Junior Software Engineer (IT Systems & Security) , you will be the architect of the end-user experience. Your first 12 months will focus on Modern Endpoint Engineering; designing how we deplo ...

Research Software Engineer Generative Biology Institute

At the Ellison Institute of Technology (EIT), we’re on a mission to translate scientific discovery into real world impact. We bring together visionary scientists, technologists, engineers, researchers, educators and innovators to tackle humanity’s greatest challenges in four transformative areas: ...

Computational Software Engineer Intern (3 months)

Computational Software Engineer Intern (3 months) Abingdon – United Kingdom Job Title: Computational Software Engineer Intern (3 months) – Starting Summer 2026 Project Title: Development of a Bounary Element Method Solver for Porous Media Flow About SLB: ...

Senior Space Software Engineer – Onboard & Ground

MDA Space located in East Hagbourne is seeking a Software Engineer responsible for designing and developing on-board software and ground test software for our payloads. The candidate should have strong experience in C/C++ development, particularly in Linux environments, and possess good problem-solving abilit ...

Senior Software Development Engineer Developer Experience

Senior Software Development Engineer - Developer Experience Are you an engineer who loves making things work better for other engineers? Do you care about efficiency and continuous improvement? Join our team and help us redefine the way software is delivered at Capital One. In this role, yo ...

Java Software Engineer – FinTech Microservices & Kafka

A leading IT consulting firm in the UK is seeking a JAVA Engineer with experience in Vert.x and Spring Framework. The role involves application development and integration within the financial industry. Ideal candidates will be proficient in microservices architecture, Couchbase, and Jenkins CI-CD. Offers compet ...

Robotics & IoT Software Engineer (C++/Python)

Stars Arena in East Hagbourne is seeking a Software Engineer specializing in C++ and Python. This role involves developing software that interacts with hardware, including robotics and IoT devices. Successful candidates will have a strong background in software development with a focus on clean coding practic ...

Principal Software Engineer C++ and Rus

Tech 4 is hiring a Principal Software Engineer C++ and Rust based in Newcastle Upon Tyne, Tyne and Wear, North East, UK . This is a Full time opportunity (£100,000). They build data, AI and software solutions for clients in a broad range of industries, working on demand ...

Lead HVDC Control & Protection Software Engineer

AL8238 UK Grid Solutions Limited is seeking a Lead Engineer to join their Product Care Department. This role involves leading the design and development of innovative modelling techniques for HVDC systems while mentoring a team of engineers. The ideal candidate will have experience in HVDC control engi ...

Hybrid Quantum Software Engineer: Algorithms & Applications

A quantum technology company is seeking a Quantum Software Engineer to develop applications for next-generation quantum computers. The ideal candidate will have a Master's degree in a related field and strong programming skills, preferably in Python, along with experience in quantum software frameworks. Responsi ...

Software Test Engineer (QA & Automation) – Nottingham

A tech-focused recruitment agency is seeking a Software Test Engineer/QA Tester in Nottingham. The successful candidate will ensure software quality, working with digital platforms and APIs. Responsibilities include designing tests, creating automation scripts, and collaborating with Agile teams for continuous i ...

Specialist, Software Engineer 12 Month FTC

At McLaren, our mission is to set the standard for high performance in sport. And everyone, in every part of the team, has a role to play. So if you want to test your ideas with the world watching... And measure your progress in milliseconds... And play your part in racing history... You belong here. High ...

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    Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights