Overview In this role you will primarily develop in Go, supporting scalable systems within a DevOps-focused environment. You’ll work both independently and with cross-functional teams to deliver robust software, leveraging cloud platforms...Read More>>.

Overview In this role you will develop and modernise highly distributed Python backends for a tier 1 bank. You will work within a high-performing engineering team to deliver reliable, scalable systems that support critical production platfo...Read More>>.

Overview In this Backend Developer role, you will build and support international operating systems for a leading hedge fund. You will work within a fast-moving, entrepreneurial tech culture, collaborating with cross-functional teams to ens...Read More>>.

Overview As a Principal Backend Engineer (Java) you will architect secure, cloud-native backend systems and guide engineering standards for global financial clients. You’ll lead multi-team delivery, coach engineers, and ensure high-perfor...Read More>>.

Overview In this role you will design, develop, and modernise high-performance desktop and cloud applications for rock physics and geoscience. You’ll own solutions from architecture to deployment, work across C#/.NET and C++, and guide be...Read More>>.

Overview You will join a small, high-caliber team to build a greenfield trading platform and integrate with external systems. The role sits in a fast-growing fintech environment that values deep technical craft and collaboration. You’ll t...Read More>>.

Overview In this role you will help build and improve a greenfield trading platform within a collaborative, high-visibility fintech environment. You’ll work closely with the Head of Development to design and implement high-concurrency, ev...Read More>>.

Overview As a Backend Developer, you will shape the core messaging platform that powers real-time interactions at scale. You’ll design and build highly scalable distributed systems and low-latency Pub/Sub components while improving perfor...Read More>>.

Overview In this role you will develop and modernise trading-focused software for a high-profile hedge fund. You will join a collaborative development team to port systems to C# and refresh in-house tools, expanding capabilities while maint...Read More>>.

Overview In this role you own the backend platform domain within a cloud-native environment. You shape technical direction, design scalable services, and drive reliability across the team. You will mentor engineers, enforce engineering stan...Read More>>.

Overview As a Senior Backend Engineer at Galaxy Digital, you design and own backend systems powering blockchain infrastructure and staking products. You will shape architecture for Ethereum data pipelines, validator infrastructure, and Liqu...Read More>>.

OverviewLocation: City Of London, England, United KingdomWe are seeking an experienced Backend Developer to design, develop, and maintain scalable backend services and REST APIs using Python and Node.js. You will work closely with...Read More>>.

Base pay range Direct message the job poster from Fruition Group Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mi...Read More>>.

Location: hybrid with 1 to 2 days in the office in London, E1.Contract Type: PermanentWorking Hours: 40 hours per week, Monday-Friday What you’ll do: We are looking for a Senior Backend De...Read More>>.

Fogsphere is a London‑based innovator focused on transforming workplace and urban safety through advanced AI, Computer Vision, and Industrial IoT. Built on a principled “Edge‑to‑Fog‑to‑Cloud” architecture, our platform turns passi...Read More>>.

OverviewThis range is provided by iO Associates. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Salary: Up to £65,000 P/ALocation: Bristol-...Read More>>.

Java Software Engineer Responsibilities Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Data...Read More>>.

# Java Backend Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Java Backend Developer – London, UK (Full-Time Permanent Role).**Our client, a fast-growing technology organisation, is looking for a skilled J...Read More>>.

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology.Job Resp...Read More>>.

Nzime are looking for a talented Backend Developer with a passion for PHP, custom integrations, working with API’s, AI, third party systems and producing performant, standards compliant code. Do you thrive in a fast-paced agency enviro...Read More>>.

Backend Developer – BazelLocation: London, UKJob Type: ContractOur Product Area, Platinum, has historically owned and operated both our VCS and CI systems in addition to the Fleet Management product for helping developers...Read More>>.

Who we are and what we do: Element Human (Crowd Emotion Ltd) has been around for six years, learning about emotions and working through several iterations of our new HX Workbench. We currently primarily work with brands, agencies and p...Read More>>.

# Backend DeveloperSenior LevelLondonPosted 8 days ago### Role OverviewWe are heavily recruiting a Senior Backend Developer to spearhead our core infrastructure in London. Central to this role is the expert development of robust server-side logic, so...Read More>>.

Playtronix in Yerevan is seeking a Junior/Mid Backend Golang Developer to join our backend team. You will build scalable services using Golang and collaborate with product and frontend teams to ship reliable features.Ideal candidates have h...Read More>>.

The Senior Backend Developer will be responsible for designing and implementing robust and scalable backend systems to support the company's iGaming products and services.About 5 Star iGaming Media5 Star iGaming Media is a leading...Read More>>.

Zaizi in London is seeking a Senior Software Developer with solid technology skills and a passion for improving outcomes and the user experience. You'll be reliable in your deliverables and contribute innovative ideas within a multi-disciplinary t...Read More>>.

Join our team and gain exposure to emerging technologies and challenges across a network of finance and digital asset oriented companies.Work in an innovative environment specialising in Open Banking, digital currencies, and finan...Read More>>.

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to d...Read More>>.

Synapri are working with an exciting Software business operating within the Investment Management space looking for an experienced Senior Backend Engineer to join their growing team on a permanent basis. As the company develop a new suit...Read More>>.

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation....Read More>>.

About the role We’re looking for a Backend Engineer who specialises in Golang to help build and scale the core services that power Hyperlayer’s orchestration engine. You’ll be working on high-throughput, mission-crit...Read More>>.

Backend Developer (Python)6 MonthsLondon (Hybrid)£#removed# per day (Inside IR35) ***Please note - The selected candidate MUST HAVE strong Banking Experience to be considered for this positon*** My cl...Read More>>.

Technical/System Engineering Permanent Result Oriented UK+Remote UK+Remote Posted 2 days ago 0 applicants so far Backend Developer (Digital Platform & Ecosystem Architecture) Position Title: Backend Developer...Read More>>.

VP, Senior Backend Developer - Blockchain InfrastructureLondon, EnglandWho We Are:Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that r...Read More>>.

You’ll design and build backend systems powering blockchain infrastructure and staking products across Galaxy — spanning Ethereum-based systems, staking infrastructure (native and liquid), and blockchain data systems and APIs. Liquid Coll...Read More>>.

Additional Resources Ltd is seeking a Java Developer to join a specialist cyber technology and software assurance team supporting UK Defence and Critical National Infrastructure programmes.You will develop secure Java applications, backend...Read More>>.

Build scalable backend services and APIs using Python, supporting millions of users across global markets.London / Remote 3+ years $90k - $140k Posted 1/7/2024Join our backend engineering team to build robust, scalable server-side ap...Read More>>.

About Us Luna Innovations is a global leader in fibre-optic sensing, test and measurement technologies, delivering advanced monitoring solutions for critical infrastructure across the energy, transportation, security, and industrial secto...Read More>>.

Vallum Associates in the United Kingdom is seeking a software engineer to develop and maintain scalable applications using Python and React, and to design RESTful APIs.The role involves building frontend components, integrating with backend...Read More>>.

Backend Developer OrganOx Oxford, England, GB ABOUT ORGANOX: OrganOx is a commercial stage organ technology company dedicated to developing technologies to improve outcomes for patients with acute or chronic organ failure. The c...Read More>>.

Senior Backend Developer (PHP / AI) Multis UK Limited is looking for an experienced Senior Backend Developer for the development and improvement of production systems, APIs and online marketplace platforms. AI-assisted development is part...Read More>>.

Junior Backend Developer (PHP)Careers » Junior Backend Developer (PHP)Multis UK Limited is looking for a Junior Backend Developer to join our team and work on real production systems and online marketplace projects....Read More>>.

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology.Job Respons...Read More>>.

We are a growing technology company building modern digital products and scalable software solutions for businesses. Our team works across web development, backend systems and cloud infrastructure, using modern technologies to create reliable, hig...Read More>>.

SianTech is seeking a motivated Junior Python/Node.js Developer to help us build APIs, automations, integrations, AI tools, and modern digital products. You will contribute to backend services and collaborate with a small team in a fast-paced envi...Read More>>.