Senior Software Engineer - Backend & Data Migration (SC)

Company IconExperis
Location Icon

Experis is seeking a Senior Software Engineer to work in Telford, primarily focused on modernising applications and mitigating risks. You will collaborate closely with database engineers and lead junior teams in a cooperative environment.Th...Read More>>.

Posted: June 6th, 2026
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Senior Seismic Software Engineer (C/C++, Linux)

Company IconCONCEPT SYSTEMS LTD
Location IconCity of Edinburgh

CONCEPT SYSTEMS LTD is looking for a developer in Edinburgh to design, develop, and deploy Command and Control software products for seismic survey acquisition. Key responsibilities include coding, maintenance of software, and contributing to syst...Read More>>.

Posted: June 6th, 2026
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Senior Security Engineer (Infrastructure)

Company IconEeze
Location IconLondon

We are seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility, resilience and securi...Read More>>.

Posted: June 6th, 2026
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Senior Security Engineer (Infrastructure)

Company IconTain
Location IconLondon

Job Summary We are seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility,...Read More>>.

Posted: June 6th, 2026
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Senior GenAI Platform Engineer

Company IconRELX INC
Location IconLondon

RELX INC is seeking a Senior Software Engineer I in Greater London, focused on building generative AI services. You will design and develop scalable backend systems using Python and Java, collaborate with cross-functional teams, and mentor junior...Read More>>.

Posted: June 6th, 2026
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Front Office Trading Systems Engineer (Python)

Company IconCastleton Commodities International, LLC
Location IconLondon

Castleton Commodities International, LLC is seeking a dedicated professional to develop Python-based solutions in a modern trading environment. This role involves working directly with trading teams to optimize processes and analytical models....Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer I — Generative AI Platforms

Company IconRELX
Location IconLondon

RELX is seeking a Senior Software Engineer I to implement robust systems delivering reusable AI services. You will collaborate closely with cross-functional teams to tackle meaningful challenges and mentor fellow engineers within a flexible workin...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Full-Stack - Python/TypeScript)

Company IconOur Future Health
Location IconLondon

Our Future Healthis an ambitious collaboration between the public, charity and private sectors, designed tohelp people live healthier lives for longer through better prevention, earlierdetectionand improved treatment of diseases. We will speed...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Payroll Foundation - Munich/London - (d/f/m)

Company IconPersonio
Location IconLondon

Personio's intelligent HR platform helps small and medium-sized organizations unlock the power of people by making complicated, time-consuming tasks simple and efficient. Our team of 1,500 Personios is building user-friendly products that delig...Read More>>.

Posted: June 6th, 2026
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Senior .NET Backend Engineer — APIs, C#, SQL (UK)

Company IconDigital Waffle
Location IconLondon

A leading tech company in the UK is looking for a Senior .NET Developer to design, develop, and maintain robust software applications. This role involves close collaboration with cross-functional teams to translate user needs into effective technical...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, Real-Time FX Trading Platform

Company IconBloomberg L.P.
Location IconLondon

A leading financial services company is seeking a Senior Software Engineer specialized in building and maintaining high-performance FX trading platforms. You will work on designing critical infrastructure while ensuring system stability and scalabili...Read More>>.

Posted: June 6th, 2026
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Senior Software Security Engineer

Company IconAnthropic
Location IconLondon

Software Security Engineer Join to apply for the Software Security Engineer role at Anthropic. Get AI-powered advice on this job and more exclusive features. About Anthropic Anthropic’s mission is...Read More>>.

Posted: June 6th, 2026
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Senior C Engineer - Legacy Modernisation, Public Sector

Company IconSearchability
Location IconShrewsbury

Searchability is looking for a Senior C Engineer to join their client’s HMRC modernisation programme. The role involves stabilising and modernising applications by analysing existing systems and remediating technical debt, while supporting the m...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer — Cloud, APIs & Scalable Services

Company IconCapital One UK
Location IconLondon

Capital One UK is looking for a Lead Software Development Engineer to join their backend team in London on a hybrid basis. The role involves leading projects, ensuring technical design, and collaborating with stakeholders to achieve business outco...Read More>>.

Posted: June 6th, 2026
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Crypto ML Scientist & LLM Engineer

Company IconUnchain Data
Location IconLondon

Unchain Data is seeking a skilled Machine Learning Engineer to optimize ML systems and enhance AI capabilities. The role involves consulting on objectives, designing self-running systems, and analyzing data to improve predictive accuracy.Id...Read More>>.

Posted: June 6th, 2026
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Fire & Security Engineer – Field Service (Company Vehicle)

Company IconSecuritas
Location IconOxford

A global security services provider is seeking a proactive Fire & Security Engineer to maintain fire and security systems in the Oxford and Reading area. The role involves providing excellent customer service, managing service calls with a PDA, and e...Read More>>.

Posted: June 6th, 2026
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Senior Stream Storage Engineer - Open Source & Table Analytics

Company IconVerverica
Location Icon

Ververica is seeking a Senior Software Engineer in the United Kingdom to contribute to the development of a next-generation stream-native storage system. This role involves designing distributed storage components, enhancing the Fluss Lakehouse ecosy...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Python, TypeScript and AWS

Company IconLiberty Information Technology
Location IconBelfast

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over...Read More>>.

Posted: June 6th, 2026
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Python AI Agent Engineer — Scalable Backend Systems

Company IconAllstate
Location IconNorthern Ireland

Allstate is seeking skilled Python & AI Agent Developers to create intelligent AI-driven solutions. The ideal candidate has over 3 years of experience in Python backend development and at least 1 year working with AI/LLM-based solutions.You...Read More>>.

Posted: June 6th, 2026
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Software Engineer with C# Dot net Asp Dot Net SQL Server SSIS

Company IconNexus Jobs
Location IconLondon

Software Data Engineer with C# Dot Net, ASP.NET, SQL Server, SSIS, SSRSOur Client is a bank based in Central London looking to recruit a Data Engineer with at least 7 years of experience in C# Dot Net and SQL Server, specifically with SSI...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Neurosymbolic AI Platform

Company IconJack & Jill
Location IconLondon

Jack & Jill is seeking a Senior Software Engineer in London, UK, to lead the architecting of reliable AI solutions merging LLMs and symbolic reasoning. The ideal candidate will work under renowned leadership and develop production-grade APIs for f...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer — London (3x/wk Onsite) + Equity

Company IconGravitas Group
Location IconLondon

Role: Senior, Staff & Principal Engineers Salary range: £90-150k (+equity) Location: Central London (x3 days per week onsite – Tue/Wed/Thurs) Tech stack includes: Typescript, React, MaterialUI...Read More>>.

Posted: June 6th, 2026
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Senior DevTools Engineer - Hybrid Work, High-Impact Tools

Company IconTower Research Capital
Location IconLondon

Tower Research Capital, located in Greater London, is seeking an experienced software engineer to enhance developer productivity and systems infrastructure. You'll design tools, automate workflows, and collaborate across teams. Ideal candidates shoul...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - AI Platform & Data Pipelines

Company IconZEREN
Location IconLondon

ZEREN is hiring a Senior Software Engineer to play a vital role in developing the core platform of their AI startup. You will be responsible for building data integrations and enhancing platform performance. This position allows you to make a sign...Read More>>.

Posted: June 6th, 2026
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Senior iOS Engineer — Build Next-Gen Aerial Apps

Company IconInsider, Inc.
Location Icon

Insider, Inc. is seeking an iOS Developer to join their team. The role focuses on developing and delivering features for iOS applications while maintaining and improving the existing codebase. This position requires collaboration with designers to...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer — Data Lakehouse & Data Integration

Company IconBlumberg Capital Company
Location IconCity of Edinburgh

Blumberg Capital Company seeks a Staff Backend Software Engineer to join our Partner Platform team. This role focuses on building scalable data integration pipelines and contributing to critical engineering projects impacting clients and internal...Read More>>.

Posted: June 6th, 2026
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Senior Data Platform Engineer - ML Pipelines & Databricks

Company Icontwentysix
Location IconWashington

twentysix, located in Washington, England, is looking for a skilled software engineer to be responsible for owning and maintaining their production machine learning and delivery platform. The role involves designing large-scale Databricks/Spark pi...Read More>>.

Posted: June 6th, 2026
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Senior .NET Engineer – AWS Cloud & Scalable Systems

Company IconDCS Recruitment Limited
Location IconManchester

DCS Recruitment Limited is seeking a Senior Software Engineer (.NET/AWS) to join their hybrid team in Manchester. This role offers a salary of up to £75,000, plus benefits. The ideal candidate will have strong experience in .NET technologies, partic...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Real-Time Test Systems

Company IconMBDA UK
Location Icon

A leading defence organisation in the UK seeks a Senior Software Engineer to develop software critical for testing missile systems. This role offers a competitive salary range of £40,000-£75,000 depending on experience and includes opportunities fo...Read More>>.

Posted: June 6th, 2026
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Cyber Security Engineer

Company IconN Brown Group
Location IconManchester

Join to apply for the Cyber Security Engineer role at N Brown GroupJoin to apply for the Cyber Security Engineer role at N Brown GroupThis range is provided by N Bro...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer: Build Scalable APIs & Microservices

Company IconBurns Sheehan
Location Icon

Burns Sheehan is looking for a Senior Backend Engineer for a rapidly scaling iGaming platform in the United Kingdom. This role involves owning the APIs and contributing to systems architecture while migrating from a Python monolith to resilient servi...Read More>>.

Posted: June 6th, 2026
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Senior Firmware Engineer — Real-Time Embedded for Energy Tech

Company IconFuse Energy, LLC
Location IconLondon

Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy - fast. We're combining first-principles thinking with cutting-edge technology to build a radically better energy system. We raise...Read More>>.

Posted: June 6th, 2026
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Datasets Software Engineer - Sensors, Algorithms and Detections

Company IconCognitive Group | Part of the Focus Cloud Group
Location IconLondon

OverviewDatasets Software Engineer (Contractor) to support data calibration and standardization workflows for a cutting-edge AI and Robotics end customer. You will play a critical role in building robust pipelines that unify and...Read More>>.

Posted: June 6th, 2026
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Senior C++ Engineer (Crypto) | Quant Hedge Fund

Company IconSelby Jennings
Location IconLondon

3 days ago Be among the first 25 applicantsDirect message the job poster from Selby JenningsSenior Low Latency Developer, C++ - CryptoQuantitative Hedge FundLondon, UKOu...Read More>>.

Posted: June 6th, 2026
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Senior Mobile Engineer – Remote (Android/iOS)

Company IconPost Office Ltd
Location IconLondon

Requisition ID18486 - Posted - Technology (50000000) - Branch Technology (60000466) - Wood Street (Admin Site) (141550) - Information Technology - Permanent - Full Time - City of London & Grea...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Cyber & AI Mission-Critical

Company IconCopello Global
Location IconManchester

Copello Global in Manchester is looking for a Software Engineer to work on innovative projects in Cyber and Intelligence. This position offers a hybrid working model, blending on-site and remote tasks, allowing for flexibility while contributing t...Read More>>.

Posted: June 6th, 2026
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Senior C++ Engineer: Mission-Critical On-Site Systems

Company IconTEC Partners - Technical Recruitment Specialists
Location IconEssex

TEC Partners - Technical Recruitment Specialists is looking for an experienced C++ engineer to work on complex, mission-critical software in Essex. This fully on-site role offers the chance to develop and maintain sophisticated integrated monitoring...Read More>>.

Posted: June 6th, 2026
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AI-Native Senior Software Engineer — Hybrid London

Company IconArtlogic
Location IconLondon

Artlogic is seeking a Senior Software Engineer to evolve their platform and guide technical direction. This role involves hybrid working based in London, requiring attendance at the office at least twice a week.The ideal candidate has signi...Read More>>.

Posted: June 6th, 2026
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Senior Infrastructure Security Engineer

Company IconBlockchain.com
Location IconLondon

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned t...Read More>>.

Posted: June 6th, 2026
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Senior Presales Enterprise Architect – Content & Experience

Company IconAdobe
Location IconLondon

Adobe seeks a Presales Enterprise Architect in Greater London to provide senior presales support for the Adobe Experience Cloud. The role involves architecture design, oversight, and client management to ensure successful digital transformation. Cand...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Adobe Experience Manager (AEM)

Company IconNuffield Health Brentwood
Location IconLondon

Senior Software Engineer - Adobe Experience Manager (AEM) Epsom & Barbican, London | Hybrid Working | Fixed-Term Maternity Cover (starting July 2026) Competitive salary available, depending on experience...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, ML Ops

Company IconIsomorphic Labs
Location IconLondon

Senior or Principal Software Engineer, ML Platform (Stability & Infrastructure)Your ImpactWe are building the largest foundation models in biotech and applying them immediately to cure disease. You will play a pivotal...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, Enterprise Platform (Remote)

Company IconSalt Digital Recruitment
Location IconLondon

Salt Digital Recruitment is looking for a Senior Software Engineer (Contract) to work on their Enterprise Platform. This role is remote and outside IR35, requiring a senior-level engineer with a strong background in TypeScript, GraphQL, and Postgr...Read More>>.

Posted: June 6th, 2026
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European Power and Gas Quantitative Developer in London - Gunvor

Company IconStars Arena
Location IconLondon

European Power and Gas Quantitative Developer London, United Kingdom Posted 9 months ago Technology stack: SQL Databases, Quantitative, Python, Agile Key Requirements 3-5 years experience in a softwa...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer – Market Analytics & Risk

Company IconLimelight Health
Location IconLondon

Limelight Health, in collaboration with TradingHub, is seeking a Quantitative Developer to enhance market surveillance products. The successful candidate will engineer high-quality software while employing exceptional mathematical skills.Th...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer (Asset Management)

Company IconLegal & General
Location IconLondon

OverviewLegal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer C# .Net SQL Maths

Company IconClient Server Ltd.
Location IconNewcastle upon Tyne

Newcastle upon Tyne, Tyne and Wear | £100k - £150k per year Quantitative Developer (C# .Net SQL Maths) Newcastle onsite to £150k+ Are you a mathematically minded Quantitative Developer with a first class education and...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer: Python, Data Pipelines Dashboards

Company IconCaxton Associates
Location IconLondon

A global trading and investment firm in London is seeking a Quantitative Developer to join their Quantitative Development & Data team. The role involves building and maintaining quantitative libraries in Python, developing web services, and promoting...Read More>>.

Posted: June 6th, 2026
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Vice President European Direct Lending Quantitative Developer

Company IconAres Management
Location IconLondon

Job Description Ares Credit Group has a global reach with dedicated regional funds specialising in liquid and illiquid credit strategies, primarily investing in North America and Europe. Corporate and alternative credit are their prima...Read More>>.

Posted: June 6th, 2026
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1 2,582 2,583 2,584 2,585 2,586 5,922