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Software Engineer (Haskell) Hydra IOE: Cardano

2 weeks ago Be among the first 25 applicants Who are we? IOG is a technology company focused on blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer-reviewed research and formal methods to ensure security, scalability, a ...

Payments Platform Software Engineer (Java/SQL)

Worldpay (UK) Limited is seeking a Software Developer for their Cambridge team to contribute to a leading global payment platform. The role involves working on features for an ecommerce payments gateway, collaborating with cross-functional teams, and solving complex technical challenges. The ideal cand ...

Staff Software Engineer, Code Search (Remote)

GitHub is hiring a Staff Software Engineer to develop and scale Blackbird, their code search engine, primarily for AI-based features. This remote role involves designing and implementing APIs, technical leadership, and maintaining executional excellence across teams. Candidates should have strong experience in s ...

Software Developer Engineer in Test (SDET)

Mr Who? MrQ is an award‑winning online casino launched in 2018. We're big on tech, big on performance, and most of all – big on fun. Over the years, we have experienced explosive growth, which means we need more rock stars to join our quest for total world domination. What You Will Do </ ...

Product Security & Software Engineer (OT/SCADA)

GEA Group in the United Kingdom is seeking a Product Security & Software Development Engineer responsible for enhancing security in software development processes. The role involves implementing IEC 62443-4-1 standards, conducting risk analyses, and improving safety measures for critical product offerings in the ...

Flight Simulation Software Engineer (C/C++)

United Cerebral Palsy of Georgia is seeking Flight Simulation Software Engineers to work on various technical areas, including Sound and Systems Simulation. The ideal candidate should possess strong C/C++ programming skills, a good understanding of the Systems Engineering V-model, and the ability to work in a ...

Embedded Electronics & Software Engineer – R&D

A manufacturing company in Hastings is seeking an Electronics & Software Engineer to focus on design and development of safety-critical products. The role involves programming microcontrollers, with some maintenance on legacy products. Ideal candidates will have a strong programming background in Embedded C and ...

Senior Software Engineer IT Dev (Contractor)

PayByPhone is seeking a Business Title IT Dev Senior (Software Engineer) – Contractor to support various software applications. In this role, you will investigate software issues, identify resolutions, and ensure the integrity of applications. Collaboration with Design, Test, and Development teams is essentia ...

Junior Software Engineer, Warehouse Automation (Mentorship)

Proactive Technical Limited is looking for a Junior Software Engineer to join their Automation Software team. This is an excellent opportunity for early-career professionals to gain hands-on experience in building and configuring software for modern distribution operations. You'll work on a warehouse control pla ...

Software Engineer Test Automation & Embedded (Flexible)

Overview We are seeking a skilled Software Engineer to develop and maintain test solutions, with a focus on C/C++, C#, and scripting languages. The role involves working with test automation frameworks and tools such as LabWindows CVI or TestStand, applying DevOps and continuous integration practi ...

Senior Software Engineer/Developer (C#/.NET)

hackajob is collaborating with Tombola to connect them with exceptional professionals for this role. The opportunity We're looking for a Senior Developer/engineer who's genuinely ready for a senior role — someone who can own the full software lifecycle, shape technical direction, and raise ...

Senior Maritime Software Engineer – .NET & Python

OneOcean Group is seeking a Senior Software Developer to shape the next generation of maritime software. The candidate will design and deliver high‑performance, mission‑critical applications that support safer and more efficient maritime operations globally. This full-time position requires expertise i ...

Test & Verification Software Engineer — EV Propulsion

Evolito Ltd is seeking a Software Engineer (Test & Verification) to define and deliver test rig control and DAQ software. Located in the UK, this full-time role requires expertise in LabVIEW and MATLAB, as well as experience with dynamometers and electric propulsion systems. The candidate will be responsible for ...

Staff Software Engineer, Fintech Scale Platform

Airwallex seeks an experienced software engineer in London to build and maintain their multi-tenant infrastructure. The ideal candidate has over 8 years of experience in Java/Spring Boot, excels in cross-functional environments, and possesses strong communication skills. You'll contribute to projects for notable ...

Automotive Software Engineer EV Diagnostics & Travel

Blue Arrow is urgently seeking a Software Engineer for the automotive manufacturing team in Llanelli. The role involves designing and developing software for diagnostics and electric vehicles, requiring knowledge of .net languages and communication protocols. A clean UK driving license is essential, and some tra ...

Senior Software Engineer, Transfers – Hybrid & Flexible

Hargreaves Lansdown PLC is looking for a Senior Software Engineer to join its Transfers Tribe in Bristol. You will lead technical discovery initiatives and mentor junior engineers while addressing complex technical problems. With a strong Java background and experience in AWS, you'll work collaborative ...

Staff Software Engineer, Global Fleet Sustainability

Samsara is looking for a Staff Software Engineer to architect the technical foundation for global fleet sustainability. The role involves hands-on leadership and designing real-time systems that improve fuel efficiency. Ideal candidates will have proven experience in distributed systems and the ability ...

Remote Public Transport Software Project Engineer

IVU Traffic Technologies AG is looking for a Project Engineer for Software Project Implementation in Public Transport. This remote role impacts daily travel for millions, requiring strong collaboration with rail operators. The ideal candidate has a degree in a related field and experience in public tra ...

Software and Systems Defect Coordination Engineer

Our OEM Client based in Gaydon, is searching for Software and Systems Defect Coordination Engineer to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £33.64 per hour. Duties This role (Software and sys ...

Lead Software Engineer – Dynamics & Power Platform

A leading consulting and digital services firm in the UK is seeking a Senior Software Engineer to take charge of technical projects within the Microsoft Dynamics environment. Responsibilities encompass configuring applications, facilitating team collaboration, and providing mentorship to junior developers. Ideal ...

Senior Spacecraft Software Engineer – Embedded & GNSS

CleanTech Talent is supporting a leading space-to-cloud analytics company in recruiting a Senior Spacecraft Software Engineer. This role involves developing critical software for GNSS-based satellite payloads, encompassing both flight and ground systems. The successful candidate will work independently ...

Senior Software Engineer – Data, Cloud & Architecture

MI5 is seeking a Senior Software Engineer to design and architect systems, ensuring high-quality software solutions to keep the UK safe. This role offers opportunities for hybrid working, a competitive salary, and mentoring support. Expect a healthy work–life balance with benefits like 25 days annual l ...

Graduate Software Engineer: Automation and Tools

microTECH Global Limited is looking for a skilled software developer to create commercial software tools and support embedded software solutions in the United Kingdom. Candidates should hold a Bachelor's degree in Computer Science or a related discipline, with proficiency in programming languages such as C/C+ ...

Senior Software Engineer Identity Platform (Hybrid)

Hargreaves Lansdown PLC is seeking a Senior Engineer to join its Identity team as part of a major transformation programme. The successful candidate will deliver the migration of identity services to a new platform, enhancing client security and easing internal processes. Ideal candidates will have pro ...

Remote Go Software Engineer, Database Integrations

ClickHouse, a leading innovative cloud company in the UK, is seeking a Software Engineer for Database Integrations. The role involves designing high-throughput data integrations and solving complex database challenges. The ideal candidate has over 5 years of experience, is proficient in Go, and possess ...

Research Software Engineer – Dementia Diagnostics Prototype

UNIVERSITY OF SOUTHAMPTON is seeking a Research Software Engineer for a 3-month project in the Biophotonics group. The role involves refining sample preparation capabilities for a prototype system aimed at rapid dementia diagnostics. This position offers a unique opportunity to contribute to a signific ...

Software Engineer – Real Time & Safety Systems

Fairygodboss is seeking talented Software Engineers for long-term engagement in the UK to contribute to multidisciplinary teams. Responsibilities include investigating systems issues, developing software requirements, and creating test plans. The role requires experience with real-time software, knowle ...

Senior Software Engineer – Rock Physics Applications

Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, colour, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other stat ...

C Software Engineer – Defence Sector – Cambridge

C Software Engineer – Defence Sector – Cambridge A growing Defence and Security company, based in Cambridge, is currently seeking an experienced C Software Engineer to contribute to the development of breakthrough technologies that will enhance the UK’s security against external threats. You ...

Staff Software Engineer Backend & AI Infra

Staff Software Engineer - Backend & AI InfraRemote | Full-timeLocation: Based in US to GMT timezonesCompensation: Competitive Compensation PackageOur client is a high-growth technology firm. They are seeking a Sta ...

Backend Software Engineer (Part Time / Contractor)

Rockstar is recruiting for a fast-growing, profitable company that is blending humans and AI to build a new infrastructure for employability. This client is focused on empowering employers to recruit talent at a fraction of the traditional cost, unlocking more opportunities for everyone. The company has achie ...

Low Latency E Trading Software Engineer

**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 Ov ...

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 Ov ...

FX Client & Prime Software Engineer (VP)

**FX Client & Prime - Software Engineer (VP)** Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deployi ...

Senior Software Engineer, CalcGraphs Vice President

**Team Overview** XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute ...

Senior Software Engineer Global Regulatory Reporting

**About this role:** Wells Fargo is seeking a Senior Software Engineer to join a high-impact technology team supporting critical initiatives within our Capital Markets and regulatory landscape. This is an opportunity to work on complex, business-critical systems where you’ll design and deliver scalable ...

Senior Software Engineer Global Regulatory Reporting

**About this role:** Wells Fargo is seeking a Senior Software Engineer to join a high-impact technology team supporting critical initiatives within our Capital Markets and regulatory landscape. This is an opportunity to work on complex, business-critical systems where you’ll design and deliver scalable ...

Senior Software Engineer II Data Engineering

Senior Software Engineer II – Data Engineering Are you passionate about designing scalable data solutions?Do you thrive on transforming complex datasets into reliable, high‑impact systems? About the team: Our team is dedicated to unlocking ...

Senior Software Engineer I – AI Engineering

Are you excited about shaping the future of generative AI in a global technology environment? Do you enjoy building scalable, production-ready AI services that deliver real-world impact?About the Team Our team builds LeapSpace, the research companion for the people working at the fron ...

Senior Software Engineer II Data Engineering

Senior Software Engineer II – Data Engineering Are you passionate about designing scalable data solutions?Do you thrive on transforming complex datasets into reliable, high‑impact systems? About the team: Our team is dedicated to unlocking ...

Sr Staff AI Software Development Engineer

Sr Staff AI Software Development Engineer Job Description **Senior Staff AI Software Engineer** **About the Role:** We are seeking an experienced technical leader who can drive our AI Recommender System engineering function. This individual should bring significant experience ...

Staff software engineer (F/M/D)

Staff software engineer (F/M/D) Posting Start Date: 4/2/26 At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world. Job Description: **Job Overview** We are seeking a St ...

Senior Software Engineer Python / hx Renew

**Who Are We?** Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in inn ...

Senior Software Engineer Python / hx Renew

**Who Are We?** Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in inn ...

Senior Software Engineer Rock Physics Applications

Senior Software Engineer - Rock Physics Applications Date: Jun 19, 2026 Location: Abingdon, LND, GB, OX14 4RW We are looking for the right people — people who want to innovate, achieve, grow and lead. We attra ...

Lead Software Engineer for Substation Automation

**Job Description Summary**GE Vernova’s Power Conversion & Storage business provides electrification systems that are critical to customers’ power and energy needs for their high-performance applications. We work with some of the world’s major energy, maritime and industrial organizations, helping to enable ...

Senior Software Engineer II (Java/ Spring)

Senior Software Engineer II (Java / Spring) Are you passionate about building scalable, high-performance data-driven applications?Do you enjoy turning complex datasets into robust, reliable systems that deliver real business impact? About the team: <b ...

Senior Software Engineer (Ruby on Rails)

Addooco is a managed IT, cloud, and communications solutions provider specializing in enterprise-grade services for businesses of all sizes. Established in 2008, the company operates across the United Kingdom region and beyond, focusing on proactive management and in-house developed solutions delivered thr ...

Principal Software Engineer Store Payments & Infrastructure

SummaryThe Principal Engineer is the most senior engineer in the company and plays a crucial role in delivering our business goals. They are technical leaders responsible for setting technical direction, driving engineering excellence, and aligning technology with business strategy. This role co ...

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