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 Backend Software Engineer role you will build core backend services using modern C# .Net Core for a scaling FinTech. You’ll work on distributed systems that handle large data with performance and reliability requirements,...Read More>>.

Overview As a Backend Engineer (Mid-Level or Senior) you will design and build scalable, high-performance backend services that power customer-facing digital products in a financial services context. You’ll collaborate with Product, Desig...Read More>>.

About Sequence If you join Sequence, you'll help build the platform that lets companies get paid – we’re already processing $1bn+ in annual invoice volume and growing fast. We're building the AI-powered revenue platform for modern...Read More>>.

Software Engineer, Backend - Institutional Product Group3 days ago Be among the first 25 applicantsReady to be pushed beyond what you think you’re capable of?At Coinbase, our mission is to increase economic freedom in the...Read More>>.

HIVED Ltd, based in London, is seeking a Backend Engineer to join our growing team. You'll solve complex engineering problems and contribute to our emission-free delivery network, directly impacting how parcels are delivered.This role requi...Read More>>.

Role Overview As a Senior Software Engineer at TP ICAP, you will play a key role in delivering business-critical software solutions supporting the internal broking division and its external client base. You will operate within a...Read More>>.

Overview Back End Developer - Elixir - 12 Months FTC SQUAR ENIX - London 07 Feb 2023 Workplace On-site / Remote Type Freelance Responsibilities Work as an integral part of the Back end team to provid...Read More>>.

Own the routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write — sub-100ms p99 latency, idempotent everything, audit-trail everything.Who you are...Read More>>.

We’ve signed up to an ambitious journey. Join us! As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isn’t a challenge just anyone could take on. Luckily, we have something to he...Read More>>.

We're looking for a Senior Backend Engineer to help build the infrastructure that powers Medelic. You'll work on real-time voice processing pipelines, bi-directional EHR integrations with EMIS and SystmOne, and safety-critical systems that hand...Read More>>.

REMIUM, a London-based fintech, seeks a Senior Back-End Developer to own and evolve our .NET microservices stack. You will design, implement, and optimize robust backend services for payments, FX, and treasury workflows, ensuring correctness, secu...Read More>>.

Most money apps talk at you. Cleo talks back We're not building another finance app. We're building the world's first AI financial assistant, one that actually understands your money and makes you better at it, and we're changing the wor...Read More>>.

Fast growth tech company, applying AI to the telecoms industry, is looking to hire a Senior Backend Engineer to join their growing team.The role will involve working closely with ML and AI engineers on integrating Voice AI solutions and...Read More>>.

SeedLegals is the leading provider of automated legal solutions for startups, with offices in London, New York and Paris. Since launching in 2016, we’ve supported over 75,000 startups who have collectively raised more than £2bn on our platfo...Read More>>.

EC1 Partners in London is hiring a backend engineer to build payment processing infrastructure that handles high-volume, secure transactions. You will work on core services that ensure reliability, speed, and compliance across payment platforms....Read More>>.

3 weeks ago Be among the first 25 applicantsOur mission is to help dental and veterinary clinics make recurring payments as simple as paying by card. We want to make memberships (Plans) and patient finance seamless by ‘combining' workf...Read More>>.

Speechify is looking for a Backend Developer to enhance its API services. The role consists of designing and maintaining various APIs, collaborating with enterprise solutions, and optimizing backend architectures.Ideal candidates will have...Read More>>.

Responsibilities Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language. Database Mastery: You're a SQL gur...Read More>>.

DoorDash is seeking a Software Engineer to join the Core BI team. You will build and operate backend services, APIs and infrastructure powering BI platforms used across the DoorDash ecosystem.You will automate the platform lifecycle, implem...Read More>>.

Backend Java Developer – City LondonWe are urgently looking to recruit a Java backend Developers with at least 5 years experience.Must have strong Data structures and Algorithms experience.Also experience of Spring, wor...Read More>>.

Strong proficiency in Python (e.g., Django, Flask, FastAPI)Hands-on experience with PostgreSQL, including performance tuning and indexingSolid understanding of SDLC methodologies (Agile, Scrum, or Wat...Read More>>.

Elliot Marsh is seeking a Fractional Fintech Backend Engineer in London to design and build the core ledger and financial processing services using Go. You will create deterministic, event-sourced systems ensuring balanced, traceable financial tra...Read More>>.

The AI Operating System for Private Capital. Capsa AI Private capital funds have to find potential investments, research and analyse them thoroughly, monitor them over time, drive improvements, and decide when to buy and sell. The...Read More>>.

London (Occasional Travel required every 4 -6 weeks) Salary: Up to £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help buil...Read More>>.

Company description Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and Zenith, as well as global accelerator P...Read More>>.

Orbital is an AI-first industrial company building hardware from the atoms up. Our goal is to lead an industrial renaissance to advance critical technologies and secure our planet for generations to come. We’re starting with critical h...Read More>>.

London (Hybrid – 1 day per month in the office) Basic salary £80k to £95k + strong package An exciting opportunity for a Senior Backend Developer to join a fast-growing, well-funded technology business that’s scaling rap...Read More>>.

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user/agent intent and data context in real time, giving security teams visibility and control acros...Read More>>.

Millions of people want to grow their money but don’t know where to start. More than 90% of adults don’t access traditional financial advice. That’s the gap Plum was built to close. We’re building the proactive money platform tha...Read More>>.

Most money apps talk at you. Cleo talks backWe're not building another finance app. We're building the world's first AI financial assistant, one that actually understands your money and makes you better at it, and we're changing the worl...Read More>>.

Backend Software Engineer / Developer (TypeScript) Cambridge / WFH to £70kAre you a backend focussed TypeScript Engineer?You could be progressing your career at one of the world's leading cyber security technology companie...Read More>>.

Senior Backend EngineerDo Health - London, Hybrid (3 days/week in person)Why this role existsWe're hiring the a Founding Backend Engineer at Do Health - a mobile-first preventative health product co-founded by Dr...Read More>>.

Senior Software Engineer (back-end) Who We Are and What We Do At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for sho...Read More>>.

Hyperlayer is seeking a Backend Engineer specializing in Go to build and scale core services for our orchestration engine. You will work on high-throughput, mission-critical systems powering Smart Accounts for financial clients.You’ll des...Read More>>.

Senior Backend Engineer (Java)Who is Parser?Technology alone does not create impact-the right teams do.Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve compl...Read More>>.

Back-End EngineerLocation: RemoteStart Date: ASAPContract Duration: Initial end March 2027, with potential extension to July 2027Rate: 440pd - 500pd (Inside IR35)Security Clearance: Act...Read More>>.

OXO Tower Restaurant, Bar and Brasserie is a landmark London dining destination, renowned for its exceptional food, warm hospitality and spectacular views across the River Thames and London skyline. Located at the heart of the South Bank, OXO offe...Read More>>.

London, UK (Hybrid) or Remote (UK) Full-time Posted 28 Jul 2026We're looking for a senior backend engineer to take ownership of the platform's infrastructure: our API layer, payment integrations, and database design. As a solo-founder co...Read More>>.

Core ResponsibilitiesCompany DescriptionPublicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foun...Read More>>.

Back-End Developer (Java) London / Ipswich - Hybrid (2-3 Days a Week In Office) Permanent £85k - £100k + Bonus We're working with an innovative financial technology business building blockchain and Distributed...Read More>>.

Fruition Group is seeking a Back-End Developer (Java) to join their hybrid team in London / Ipswich. The role focuses on building secure, scalable backend systems for a fintech DLT environment.You will develop backend services using Java, d...Read More>>.

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler,by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’re ho...Read More>>.

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted emai...Read More>>.

Backend Engineer | Node.js | TypeScript | AWS | PostgreSQL | Sports Tech | 3 Days Per Week into London | £75,000-£80,000 + bonus + benefits Method Resourcing are proud to be partnered with an ambitious and fast-growing digital busi...Read More>>.

Version 1 is seeking an experienced Integration Solutions Architect in Manchester to lead design, governance and modernisation of enterprise integration across cloud-native, legacy and partner environments.You will focus on Microsoft Azure...Read More>>.

TreasurySpring is the product of an obsession with fixing the fundamental structural problems in money markets. Our fascination with the sector began painfully, during the Global Financial Crisis of 2008, where we had a front-row seat to watch the...Read More>>.

Location: Remote in the UKWhy this role existsOpenExchange delivers virtual and hybrid events for the world's largest investment banks, alongside hundreds of corporate clients and organizations. More than half a million virtual mee...Read More>>.

About Us Teton is redefining the role of healthcare workers through cutting-edge AI technology and a great product experience. As populations gets older and a shortage in staff, healthcare system is under pressure. Our missions is...Read More>>.

Gigs is building the operating system for mobile services, enabling platforms to offer their own mobile connectivity through a scalable API-driven platform. As Group Product Manager you will lead a team of PMs owning the platform across APIs, netw...Read More>>.