Staff Backend Engineer, Voices — Remote (EU/UK/CH) + Stock

Company IconSynthesia
Location IconLondon

Synthesia is seeking a backend engineer to work on core systems for voice generation and preview. You will collaborate with product and frontend teams, ensuring reliable voice content through backend services. The role requires strong skills in Pytho...Read More>>.

Posted: April 29th, 2026
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Copy of Senior Full Stack Software Engineer - Payments in Windsor - Neilson Financial Services

Company IconJava Script Works
Location IconWindsor

Required QualificationsSenior level software engineering competency, with strong full-stack experience.Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL).Proven experience developing APIs and UI components in d...Read More>>.

Posted: May 6th, 2026
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Junior Developer in East Kilbride - Flow Sports Personnel Ltd

Company IconJava Script Works
Location IconEast Kilbride

Areas of ExpertiseAs the UK's largest and most progressive areas, we specialize in the following technologies:SQL Server ManagementSQL ReportingSQL Merge ReplicationPower BIWindows PowerS...Read More>>.

Posted: May 6th, 2026
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Hybrid Full Stack Engineer: AI, Azure & FinTech

Company IconAimtech Recruitment
Location IconLondon

Aimtech Recruitment is seeking a Full Stack Developer in Greater London to design and develop scalable applications for a Financial Services client. This hybrid role demands expertise in C#, ASP.NET Core, Python, and experience with integrating AI so...Read More>>.

Posted: May 17th, 2026
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Senior Backend Engineer: Build Scalable Systems & Lead

Company IconBLP Digital AG
Location IconLondon

BLP Digital AG is seeking an experienced Software Engineer in Greater London. The role involves collaborating with business stakeholders to enhance product offerings, designing high-quality software, and guiding significant technical initiatives. A B...Read More>>.

Posted: May 17th, 2026
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Full-Stack Engineer — AI Drug-Discovery Platform (Hybrid)

Company IconCubiq Recruitment
Location IconLondon

Cubiq Recruitment is looking for a Full Stack Software Engineer to join their team in London, working in a hybrid model. The successful candidate will build AI-driven products that support scientific research, collaborating closely with engineers and...Read More>>.

Posted: May 17th, 2026
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AI Platform Lead Engineer | Backend & Frontend Architect

Company IconJobs via eFinancialCareers
Location IconLondon

Jobs via eFinancialCareers is seeking a Lead Engineer based in Greater London, UK. This role will drive the development of backend and frontend systems while establishing engineering best practices. The successful candidate should have over 5 years o...Read More>>.

Posted: May 17th, 2026
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Low-Latency FPGA Software Engineer (Python/Linux)

Company IconParagon Alpha - Hedge Fund Talent Business
Location IconLondon

Paragon Alpha - Hedge Fund Talent Business is seeking a skilled FPGA Software Engineer to support the expansion of a leading $50 Billion Hedge Fund in London. This role will involve developing trade-sensitive software solutions tailored for their low...Read More>>.

Posted: May 17th, 2026
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Regulatory Data Developer, GCP & AI-Driven Pipelines

Company Iconbet365 Group
Location IconStoke on Trent

A leading online gaming company based in the UK is looking for a Regulatory Data Developer to create, migrate, and maintain regulatory reporting systems on Google Cloud Platform. The role involves developing both existing and new cloud-based solution...Read More>>.

Posted: May 17th, 2026
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Senior C++ Developer: Low-Latency Linux/FIX Front Office

Company IconClient Server Ltd.
Location IconLondon

Client Server Ltd. is seeking a C++ Developer / Software Engineer to design and develop high-performance trading systems in London, with a competitive salary up to £200k. This role involves working with multithreaded C++, FIX protocols, and collabor...Read More>>.

Posted: May 17th, 2026
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Software Engineer - Java, AWS & Live Media

Company IconBBC Group and Public Services
Location IconLondon

BBC Group and Public Services is seeking a Software Engineer to join the Media Services team in London. In this critical role, you will design and develop high-quality software for audio and video solutions, contributing to live streaming and on-dema...Read More>>.

Posted: May 17th, 2026
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Senior Backend Engineer - Scalable AI Fintech Platform

Company IconOmnis Partners
Location IconLondon

Omnis Partners is seeking a Senior Backend Engineer to design and scale core backend architecture for an AI platform in London. In this role, you will build scalable services, develop high-volume data pipelines, and collaborate with ML engineers. The...Read More>>.

Posted: May 17th, 2026
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Senior Full Stack Engineer - AI Legal Tech, Global Scale

Company IconHarnham
Location IconLondon

Harnham is seeking a senior Full Stack Engineer in Greater London to work on AI-powered legal drafting and document editing. The role involves building and scaling backend foundations, designing APIs, and owning UIs for complex legal workflows. Ideal...Read More>>.

Posted: May 17th, 2026
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Senior Backend Engineer

Company IconBauer Media Group Heinrich Bauer Verlag KG
Location IconManchester

Location:This role is UK‑based, with occasional travel to LondonandPeterborough (approximately 1–2 times per quarter). Our Team: How we enrich everyday life You’ll be joining our dynamic Digital Development t...Read More>>.

Posted: May 17th, 2026
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Founding Backend Engineer | Python, LangGraph, AWS

Company IconOliver Bernard
Location IconLondon

OB has partnered with an early-stage, venture-backed startup building AI agents for production data pipelines They are looking for a Founding Backend Engineer to own and build their core systems. The role combines backend systems, produc...Read More>>.

Posted: May 17th, 2026
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Digital Solutions Developer - Remote, 18-Month FTC

Company IconWokingham Borough Council
Location IconWokingham

Wokingham Borough Council is looking for a Digital Developer on a full-time, 18-month fixed-term contract. You will develop and maintain systems to support council services, translating business requirements into technical solutions. This role requir...Read More>>.

Posted: May 17th, 2026
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Senior AI Software Engineer, LLMs - start-up, Up to £140,000 plus equity

Company IconSaragossa
Location IconLondon

Imagine how nice it would feel to work at a company that has the freedom to build solely AI solutions and AI agents.You could work with no restraints, have creative freedom, and be challenged to develop innovative AI solutions that have...Read More>>.

Posted: May 17th, 2026
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Senior Python Developer - AI Platform & Microservices

Company IconProlo
Location IconLondon

Prolo is looking for a Python Developer to help build an AI-powered procurement platform for the construction industry. This role involves working across the entire technology stack, from backend services to infrastructure. The ideal candidate will h...Read More>>.

Posted: May 17th, 2026
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Lead Backend Software Engineer C# .Net Azure SaaS

Company IconClient Server
Location IconReigate

Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on ro...Read More>>.

Posted: May 17th, 2026
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Senior BI Analyst: Power BI, SQL & Cloud Analytics

Company IconDP World
Location IconStanford le Hope

DP World is seeking a BI Senior Analyst to enhance operational insight across UK terminals. This role focuses on delivering automated reporting solutions using Power BI and SQL, driving data governance, and ensuring high-quality data. Suitable candid...Read More>>.

Posted: May 17th, 2026
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Senior Full-Stack Engineer - Unity, AWS & AI

Company IconMovetru®
Location IconBelfast

Movetru® in Belfast is looking for a Senior Engineer to lead full-stack development across Unity-based applications, AWS backend, and React web platform. This role involves owning architectural decisions, mentoring, and collaborating closely with de...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer, Fintech Data & ML Platform

Company IconWave Group
Location IconLondon

Wave Group is seeking a Senior Software Engineer to be part of their cross-functional product team in Central London. You'll engage in backend-heavy engineering within a Python/FastAPI stack, taking ownership of code reviews, mentoring team members,...Read More>>.

Posted: May 18th, 2026
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Senior Software Engineer (Go) - Energy Trading & Renewable Storage - Up to £95k - Hybrid

Company IconRevoco
Location IconLondon

Work at the intersection of trading, battery storage and renewable energy.In this role you’ll be solving some of the biggest challenges for energy storage, modelling the performance of ‘grid-scale’ battery behaviour to allow Energy Tr...Read More>>.

Posted: May 18th, 2026
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Senior Software Engineer - AI-Driven Full-Stack with Equity

Company IconProlo
Location IconLondon

Prolo, a fast-growing startup in London, is seeking a Senior Software Engineer who will own the end-to-end experience of their platform. The successful candidate will lead the development of new features using Node, Python, and React while designing...Read More>>.

Posted: May 18th, 2026
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Senior Rails Backend Engineer - Hybrid, Healthcare Impact

Company IconSLAMcore
Location IconLondon

SLAMcore is seeking a Senior Backend Engineer to contribute to innovative solutions in fertility care. The role combines Ruby on Rails development and a mission to enhance healthcare accessibility. This position is hybrid, requiring 3 days in the Pad...Read More>>.

Posted: May 18th, 2026
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Senior C++ Backend Engineer (Linux/SQL) - Hybrid, FinTech

Company IconClient Server
Location IconLondon

Client Server is seeking a Senior C++ Developer / Backend Software Engineer in Greater London. In this role, you'll tackle complex bespoke solutions in a dynamic FinTech environment. You'll need strong experience in C++ and Linux, along with good SQL...Read More>>.

Posted: May 18th, 2026
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Java Backend Developer - AI-Powered APIs (Remote)

Company IconYO IT Consulting
Location IconLondon

YO IT Consulting is seeking a Java Developer - AI Expert for a part-time remote role. You will design, implement, and improve backend APIs while collaborating with AI research teams. Responsibilities include optimizing REST and GraphQL endpoints, ens...Read More>>.

Posted: May 18th, 2026
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Rust Software Engineer - Trading Infrastructure (London)

Company IconParagon Alpha - Hedge Fund Talent Business
Location IconLondon

Paragon Alpha - Hedge Fund Talent Business is looking for a Software Engineer to join their team in London. The successful candidate will have experience in Rust and will play a key role in supporting the development of critical trading infrastructur...Read More>>.

Posted: May 18th, 2026
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2D Defold Game Developer | Fast, Lightweight Mobile/Web

Company IconCrossing Hurdles
Location Icon

Crossing Hurdles is looking for a skilled game developer to design and develop 2D games using the Defold engine in the United Kingdom. The ideal candidate should have proven experience with game development and Lua scripting, as well as a strong abil...Read More>>.

Posted: May 18th, 2026
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Java Full Stack Developer in London - Axiom Software Solutions Limited

Company IconJava Script Works
Location IconLondon

Job Description The candidate should be proficient in Java for back-end development, have experience with front-end technologies like HTML, CSS, JavaScript, and modern JavaScript frameworks such as React or Angular, and be familiar with...Read More>>.

Posted: May 18th, 2026
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AI-Powered Full-Stack Engineer – Build Smarter, Faster

Company IconAccenture UK & Ireland
Location IconManchester

Accenture UK & Ireland is looking for a Software Engineer - AI Enabled Full Stack Engineer based in Belfast. This specialist role involves leveraging AI tools to enhance software development, contributing to all phases from design to deployment. The...Read More>>.

Posted: May 18th, 2026
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Software Engineer - FX & Cross-Border Payments

Company IconCrown Agents Bank Ltd.
Location IconLondon

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 o...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer - Real-Time Data & AI Systems

Company IconMapbox
Location IconLondon

Mapbox, located in Greater London, is seeking experienced engineers to develop scalable and efficient backend services for real-time navigation. The role focuses on building data handling pipelines and promoting a culture of operational excellence wi...Read More>>.

Posted: May 18th, 2026
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Senior IAM Developer - Lead Secure Azure Solutions

Company IconNine Twenty Recruitment
Location IconCity of Edinburgh

Nine Twenty Recruitment is looking for a Senior Developer specializing in Identity and Access Management. The role involves leading the full development lifecycle for bespoke IAM solutions, focusing on both quality and secure coding practices. Ideal...Read More>>.

Posted: May 18th, 2026
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Python Software Engineer - Quant Trading Fixed Income in London - Quant Capital

Company IconStars Arena
Location IconLondon

Job Opening: Python Software Engineer in Quant Trading Fixed IncomeQuant Capital is currently seeking a Quant Software Engineer to join our prestigious client in the field of quantitative trading. The successful candidate will be respons...Read More>>.

Posted: May 18th, 2026
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Java Software Engineer - Java, Low-latency, financial services background, and hands on coding[...]

Company IconUbique Systems
Location IconLondon

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. It takes significant time to switch perspective. And to lead the developer need...Read More>>.

Posted: May 18th, 2026
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Backend Engineer - C# .NET Core | FinTech Scale-Up (Onsite)

Company IconClient Server
Location IconNewcastle upon Tyne

Client Server is seeking a Backend Software Engineer/Developer in Newcastle to join their FinTech scale-up. The role offers a salary up to £130k+, a collaborative working atmosphere, and opportunities for career growth. The ideal candidate will have...Read More>>.

Posted: May 18th, 2026
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Staff Software Engineer, AI — LLM Systems

Company IconCerebras
Location IconLondon

Cerebras is seeking a Staff Software Engineer (AI) in Greater London to design and build production-grade agentic AI systems. The role involves collaborating with cross-functional teams and requires strong expertise in Python and cloud development, p...Read More>>.

Posted: May 18th, 2026
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Full Stack Engineer (Front-End Focus) in London - Printerpix

Company IconJava Script Works
Location IconLondon

Coding Experience Experience in XHTML, HTML5, CSS3, and JavaScript (ideally 5+ years). JavaScript & Frameworks Strong JavaScript skills with Node.js experience. Minimum 2 years’ experience in either Vue or React (esse...Read More>>.

Posted: May 18th, 2026
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Junior Python Developer in London - Quant Capital

Company IconJava Script Works
Location IconLondon

Junior Python Developer – Fintech Quant Capital is urgently looking for a Python Developer to join our high profile client. Our client is a leading FinTech company based in the City of London. They provide high class Derivatives Instru...Read More>>.

Posted: May 18th, 2026
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Senior Industrial Inspection Biz Dev & PSSR Lead (Remote)

Company IconErnest-Gordon-Recruitment-Limited
Location IconBirmingham

Ernest-Gordon-Recruitment-Limited is seeking an Engineering Assessor (PSSR / New Client Acquisition) for Birmingham, England. This role involves identifying and securing new clients for industrial inspection services, with responsibilities throughout...Read More>>.

Posted: May 18th, 2026
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Software Engineer (Rust) | Multi-Strategy Hedge Fund

Company IconParagon Alpha - Hedge Fund Talent Business
Location IconLondon

Paragon Alpha are partnered with a $32 Multi-Strategy Hedge Fund, known for their cutting edge tech infrastructure. As part of their continued London buildout, they are hiring a Software Engineer with experience in Rust to support...Read More>>.

Posted: May 18th, 2026
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Full-Stack Tech Lead (Java/React) – London Onsite

Company Iconhackajob
Location IconLondon

hackajob is seeking a Technical Lead - Fullstack to lead a modernization program in London. This role requires experience in full stack development (Java, React), cloud technologies (Azure, Google Cloud), and excellent leadership skills. Responsibili...Read More>>.

Posted: May 18th, 2026
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FX Front Office Java Developer - Low-Latency Trading

Company IconAlbany Beck
Location IconLondon

Albany Beck is looking for a Java Developer to join a strategic modernization program aimed at migrating a business-critical FX trading platform from C++ to Java. The ideal candidate will work closely with traders and business analysts, developing hi...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer (Ruby on Rails)

Company IconSLAMcore
Location IconLondon

Senior Backend Engineer (Ruby on Rails) Location: London (Paddington) – Hybrid (3 days in office) – Full-time. We’re building the operating system for the future of fertility care and we’d love you to help us deliver it....Read More>>.

Posted: May 18th, 2026
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Cloud-Native Backend Engineer | AWS & Microservices

Company IconLimelight Health
Location IconNorwich

Limelight Health, based in Norwich, is looking for a skilled developer to design and implement cloud-native applications and microservices. This role focuses on creating scalable solutions using AWS and .NET Core, integrating with various services in...Read More>>.

Posted: May 18th, 2026
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Lead Backend Engineer, Scalable Data & AI Systems

Company Iconjobs.frontdoordefense.com - Jobboard
Location IconLondon

Palantir is seeking a Senior Backend Software Engineer in London to lead the architecture and delivery of scalable backend services for its Foundry platform. The role involves optimizing applications, collaborating with cross-functional teams, and de...Read More>>.

Posted: May 18th, 2026
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Senior Full Stack Engineer — AI-Driven Real-Time Platforms

Company IconSR2
Location IconLondon

SR2 is looking for a Senior Product Engineer for a hybrid role in London. You will tackle complex challenges in real-time data systems and AI-powered workflows within a dynamic startup environment. The role requires expertise in languages like Golang...Read More>>.

Posted: May 18th, 2026
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Senior Backend Engineer — Cloud Security & Scalable Systems

Company IconCacheflow
Location IconLondon

Cacheflow is seeking an experienced Expert Backend Engineer to join our expanding R&D team in Greater London. In this role, you will focus on developing and maintaining large-scale backend components for our cloud security platform. The ideal candida...Read More>>.

Posted: May 18th, 2026
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C# Developer .Net AWS AI - Finance

Company IconClient Server
Location IconLondon

C# Developer / Software Engineer (.Net AWS AI) London / WFH to £80k Are you a C# Developer with finance experience? You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and ha...Read More>>.

Posted: May 18th, 2026
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