Platform Engineer: Build Low-Latency Event-Driven Microservices

Company IconOctopus Energy
Location IconLondon

Octopus Energy in London is looking for a Software Engineer to join their core engineering team. You will design frameworks that aid in developing microservices and maintain essential services, all while partnering with domain teams to streamline...Read More>>.

Posted: June 6th, 2026
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Backend Software Engineer (£80k) at InTouchNow.ai

Company IconJack & Jill/External ATS
Location IconLondon

Job TitleBackend Software Engineer (£80k)SalaryUp to £80kCompany DescriptionInTouchNow.ai – Award-winning healthcare technology company building AI voice agents for the NHS.Job Description...Read More>>.

Posted: June 6th, 2026
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Hybrid Backend Engineer (Mid-Level) - TS/Node

Company IconMotorway
Location IconLondon

A leading vehicle transaction platform in Greater London is seeking skilled Backend Engineers to join their expanding engineering team. The role involves developing new features, collaborating with cross-functional teams, and improving their platform...Read More>>.

Posted: June 6th, 2026
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Mid-Level Software Engineer (Python) - RegTech 2026 - UK

Company IconSuade
Location IconLondon

Suade is building world-leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer - Routing Squad

Company IconHIVED
Location IconLondon

HIVED is a climate and logistics startup based in London, building the first sustainable parcel delivery network at scale, powered by a 100% electric fleet.We serve leading international brands such as John Lewis, Nespresso, Uniqlo, and...Read More>>.

Posted: June 6th, 2026
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Full-Stack Engineer: Shape Scalable Backend & UI

Company IconDigital Gurus
Location IconAlderley

A leading SaaS provider is seeking a Mid-Level Full Stack Developer to join their engineering team. This role involves both back-end and front-end development, focusing on Python/Django and React. Candidates should have at least 2 years of experience...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer & Tech Leader (Multi‑Team)

Company IconCapital One
Location IconNottingham

A financial technology company in Nottingham is looking for a Staff Software Engineer - Back End. You will shape technical strategies, lead multiple teams, and enhance engineering practices. The ideal candidate has deep expertise in Java, distributed...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer | Founding Team

Company IconHeart Mind Talent
Location IconLondon

Kulipa is a financial services platform built on the infrastructure of tomorrow: Stablecoins. Stablecoins are dollars (and other fiat currencies) tokenized on a blockchain. They are gaining massive adoption throughout the industry, replacing in...Read More>>.

Posted: June 6th, 2026
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Remote Platform Backend Engineer — APIs, TTS & Payments

Company IconSpeechify
Location IconCardiff

Speechify is seeking a Software Engineer for its Platform team in Cardiff, UK. You will design and maintain robust APIs, ensuring scalability and performance in a remote-first team environment.The ideal candidate has direct experience with...Read More>>.

Posted: June 6th, 2026
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Senior PHP & GoLang Engineer — Fareham (Hybrid)

Company IconSpectrum IT Recruitment
Location IconFareham

Spectrum IT Recruitment is seeking a Senior PHP / GoLang Engineer to join their innovative technology business in Fareham, Hampshire. In this role, you'll collaborate with a technically minded development team, focusing on product planning and develo...Read More>>.

Posted: June 6th, 2026
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TypeScript Backend Engineer | SaaS, Cloud & Serverless

Company IconCentrica
Location IconWindsor

Centrica is seeking a Software Engineer to join their Digital Technology Services team, focusing on building and maintaining scalable SaaS platforms. This role involves collaborating with Product Owners to innovate and deliver impactful solutions...Read More>>.

Posted: June 6th, 2026
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Senior .NET Engineer: Cloud-Native Microservices Expert

Company IconExperian
Location IconNottingham

Experian is seeking an enthusiastic Senior Software Engineer in .NET to join their high-performance engineering team in Nottingham, focusing on cloud modernization and product delivery. The role involves delivering high-quality software solutions, co...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Scalable, Product-Focused

Company IconFruition Group
Location IconLondon

Fruition Group is seeking a Senior Backend Developer to join their fast-growing technology business in London. This role emphasizes building reliable backend systems and offers a collaborative environment with significant autonomy.The ideal...Read More>>.

Posted: June 6th, 2026
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Real-time Risk Analytics Engineer (C#/Python)

Company IconMondrian Alpha
Location IconLondon

I’m working with a leading systematic hedge fund in New York that is seeking an elite C# Developer to join its Risk Development team in London.This is a front‑footed technical role in one of the most business‑critical engine...Read More>>.

Posted: June 6th, 2026
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Principal Software Engineer - TypeScript, Node.js & AWS

Company IconWorksHub
Location IconLondon

WorksHub is seeking a Principal Software Engineer to join our London team. The role involves delving into engineering processes while being proficient in TypeScript (Node.js & React), AWS (EKS, Lambda, Aurora RDS), Kubernetes, and GraphQL.T...Read More>>.

Posted: June 6th, 2026
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MTD Platform Owner - Senior TS Backend Engineer

Company Icon@Taxd
Location IconLondon

Taxd is seeking a technical owner for their Making Tax Digital (MTD) product. The role involves maintaining and improving a TypeScript service within a regulated environment. Candidates should be proficient in TypeScript and have experience with b...Read More>>.

Posted: June 6th, 2026
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Senior .NET Backend Engineer – Hybrid, Growth & Perks

Company IconTrainline
Location IconLondon

Trainline is looking for a dedicated Developer to join our team in Greater London. The role involves delivering high-quality software solutions, mentoring junior engineers, and overseeing the development lifecycle from coding to deployment. Candidate...Read More>>.

Posted: June 6th, 2026
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Performance Software Engineer (C++/Python) - Hybrid London

Company IconHunter Bond
Location IconLondon

Hunter Bond is seeking a talented Software Engineer (C++/Python) to join their elite team in London. You will work on building a next-generation performance software platform and have the opportunity to make impactful contributions across various pro...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Health Data Platform (London)

Company IconMeroka
Location IconLondon

A healthcare technology firm is seeking a Software Engineer to build backend systems and manage large healthcare datasets. The ideal candidate has over 3 years of experience in software engineering, particularly in backend development and data infras...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer

Company IconBoam AI
Location IconLondon

Ship & run backend systems that turn messy signals into truthBoam AI builds managed data solutions that transform messy, unstructured signals from public, private, and proprietary sources into structured, reliable, and alw...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer / Tech Lead Manager

Company IconNebius
Location IconLondon

Overview Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs...Read More>>.

Posted: June 6th, 2026
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Kotlin Backend Engineer — Payments & Distributed Systems

Company IconHomerun B.V.
Location IconLondon

Katanox is seeking a Software Engineer to enhance backend systems that manage transactions in the hospitality sector. Your role will center on developing secure, high-availability services handling real payments and bookings. Ideal candidates will ha...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer

Company IconOrca AI
Location IconLondon

Description Orca AI is revolutionizing maritime operations with cutting‑edge computer vision, augmented reality, and autonomous technologies. Our mission is bold: make ocean shipping safer, more efficient, and significantly gr...Read More>>.

Posted: June 6th, 2026
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Principal Backend Engineer - Lead & Deliver Systems

Company IconNorthrop Grumman UK
Location IconManchester

A leading defense technology company based in Manchester is seeking a Principal Software Engineer. In this role, you will be responsible for designing and maintaining critical infrastructure, leading engineering teams, and ensuring project success. T...Read More>>.

Posted: June 6th, 2026
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Defence Backend Engineer (SC Cleared) – Newcastle Onsite

Company IconClient Server
Location IconNewcastle upon Tyne

Client Server is looking for a Backend Software Engineer in Newcastle upon Tyne. This role, offering a competitive salary of up to £120k plus bonus and benefits, is focused on Defence sector projects. Candidates should have a strong coding backgroun...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer, Risk & Fraud - Remote UK

Company IconFanatics
Location IconLeeds

A global digital sports platform is seeking a Staff Backend Engineer to lead backend architecture focused on fraud detection and responsible gaming. This role requires deep expertise in Java and Spring Boot, along with experience in designing secure,...Read More>>.

Posted: June 6th, 2026
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Software Engineer (React & Node.JS)

Company IconInteractive Investor Plc
Location IconManchester

Title: Software Engineer (React & Node.JS) Location: Manchester, 3 days on site, 2 days from home. Salary: £50,000-£60,000 interactive investor is an award-winning investment platform that puts its cu...Read More>>.

Posted: June 6th, 2026
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Python Engineer for Front‑Office Trading Platform (London)

Company IconDRW
Location IconLondon

A diversified trading firm in London is seeking a Software Engineer specializing in Python to join their multi-asset trading team. The role involves enhancing automated trading systems, collaborating with traders, and mentoring junior developers. Can...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer — Build Scalable Apps

Company IconCitibank (Switzerland) AG
Location IconBelfast

A global financial services firm in Belfast is looking for a Senior Python Developer to enhance applications in the Wholesale Credit Risk Technology team. This role requires 5+ years of experience in building enterprise applications using Python and...Read More>>.

Posted: June 6th, 2026
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Android Engineer — Kotlin, Jetpack Compose, Microservices

Company IconJust Eat Takeaway.com
Location IconLondon

Just Eat Takeaway.com is looking for an Android Engineer to join the Grocery & Retail domain in London. In this role, you'll collaborate with cross-functional teams to design and deliver new features that enhance customer experiences.Your s...Read More>>.

Posted: June 6th, 2026
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FinCrime Software Engineer - Backend/Frontend

Company IconZepz
Location Icon

Zepz, based in the United Kingdom, is seeking Backend (Python) and Front End engineers to help build essential tools for financial crime prevention. The role involves contributing to mobile applications, automating financial crime workflows, and coll...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Cloud-Native, Remote

Company IconTrustonic
Location IconWinnersh

Trustonic in Winnersh is seeking a Senior Backend Engineer to build and scale their cloud-native telecoms platform. In this role, you will design and deliver backend services for device lifecycle management, focusing on Python-based systems and AWS t...Read More>>.

Posted: June 6th, 2026
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Market Data Software Engineer (C++/Python) — Global Trading

Company IconDRW
Location IconLondon

A diversified trading firm is seeking a Software Engineer for its Market Data team. The role involves building and supporting a C++ technology stack for global trading operations. Candidates must have extensive experience with high-performance C++ ap...Read More>>.

Posted: June 6th, 2026
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Specialist Software Engineer (Python)

Company Iconjobs.frontdoordefense.com - Jobboard
Location IconLondon

Specialist Software Engineer, Python Own prototyping and development of new AI security features for the Darktrace platform Location: London Job Tags: Software About The Role Darktrace is a global leader...Read More>>.

Posted: June 6th, 2026
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Multiplayer Backend Server Engineer (London, 4-Day Week)

Company IconHutch
Location IconLondon

Hutch is seeking a Server Engineer to join our team in central London. This role involves designing and developing server-based multiplayer game systems for our mobile games. You will work closely with artists, designers, and other programmers to...Read More>>.

Posted: June 6th, 2026
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Backend Engineer - Remote, Scalable Systems & Impact

Company IconDepop
Location IconLondon

A circular fashion marketplace is seeking an experienced Backend Software Engineer to join their team in London. You will work with cross-functional teams, ensuring high-quality code is produced for over 1 million daily users. Responsibilities includ...Read More>>.

Posted: June 6th, 2026
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Backend Engineer - Scalable Payments Platform (Event-Driven)

Company IconLimelight Health
Location IconLondon

Limelight Health is seeking a Product Engineer to join their team in Greater London. The position involves designing scalable services and collaborating with various teams for global payment platform expansion.Ideal candidates should have e...Read More>>.

Posted: June 6th, 2026
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Senior Python Software Engineer, Finance Data Optimization

Company IconLSEG
Location IconLondon

LSEG is seeking a mid-level software engineer to join the Optimisation CoreTech Strats team in London. You will contribute to building systems that power large-scale optimisation runs for global financial institutions and collaborate with colleagu...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer - Python/ C++ - London

Company IconHawksworth
Location IconLondon

Hawksworth UK are hiring for a ‘Quantitative Developer’ to join a Global multi-strategy Investment Firm in the UK. This will be a permanent hire for the UK team. London based. The successful candidates will build software, frameworks...Read More>>.

Posted: June 6th, 2026
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Greenfield Python Platform Engineer for Quant Research

Company IconCampbell North Ltd.
Location IconLondon

A leading quantitative trading firm is seeking a Software Developer to build a Python-based research platform from the ground up. This role involves collaborating directly with researchers and requires advanced Python skills and system design experti...Read More>>.

Posted: June 6th, 2026
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Hybrid HCL Commerce Engineer - Scale-Driven Backend

Company IconDCV Technologies
Location IconLondon

DCV Technologies is looking for a Specialised Engineer - HCS Commerce to enhance their digital commerce platform in London. The role includes designing and maintaining HCL Commerce components while ensuring scalability and performance standards....Read More>>.

Posted: June 6th, 2026
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Graph & API Test Automation Engineer

Company IconGCS
Location IconSheffield

GCS in Sheffield is seeking a skilled automation tester to build and maintain automated test frameworks for API, event-driven, and graph-based services using Python and PyTest. The role involves defining and executing test plans, collaborating wit...Read More>>.

Posted: June 6th, 2026
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Senior Performance Test Engineer – Load & API

Company IconKainos
Location IconBelfast

A technology services company in Northern Ireland is seeking a Senior Performance Test Engineer to work within an agile team. You'll develop and execute performance tests and analyze bottlenecks across various layers. The ideal candidate should have...Read More>>.

Posted: June 6th, 2026
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Hybrid Backend Engineer, Search & Retrieval

Company IconDEPOP
Location IconLondon

Job Description Depop is looking for an Associate Backend Software Engineer to join us permanently in the Search Retrieval team. Within this role, you'll be working in the cross-functional team in partnership with mobile, web and machi...Read More>>.

Posted: June 6th, 2026
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Full Stack Engineer (Python / React)

Company IconSkinandme
Location IconLondon

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: React, TypeScript, Python, Flask, MySQL, AWS In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling...Read More>>.

Posted: June 7th, 2026
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Backend Engineer (Node/TS) — Hybrid London, Equity

Company IconSkinandme
Location IconLondon

Skinandme in London is seeking an experienced Backend Engineer to drive the development of their core backend services. You'll work on APIs and data models that power consultations and prescriptions, ensuring high performance and clean code as you...Read More>>.

Posted: June 7th, 2026
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Senior Performance Test Engineer – API & Cloud

Company IconKainos
Location IconNorthern Ireland

A leading technology solutions provider is seeking a Performance Test Engineer (Senior Associate) to join their team in Derry/Londonderry. The role involves developing and executing Non-Functional tests while collaborating with agile teams. Candidate...Read More>>.

Posted: June 7th, 2026
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Senior Backend Engineer, AdTech (Hybrid, High-Impact)

Company IconDEPOP
Location IconLondon

DEPOP is looking for a Senior Backend Engineer to join their AdTech team, focusing on building scalable systems for advertising services. You'll collaborate with product managers and engineers to ensure top-notch user and advertiser experiences....Read More>>.

Posted: June 8th, 2026
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Python Engineer, Oxford, COR7548. Job in Oxford LilyLifestyle Jobs

Company IconUnited Cerebral Palsy of Georgia
Location IconOxford

Python Engineer, Oxford, COR7548 Are you a skilled Python engineer looking for a role where you can influence how complex systems come together? This is an opportunity to work at the heart of integration, improving reliability, to...Read More>>.

Posted: June 8th, 2026
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Golang Backend Engineer for Scalable FinTech Solutions

Company IconOctopus Money
Location IconLondon

Octopus Money is seeking a Backend Engineer skilled in Golang to build scalable technology solutions. In this role, you'll collaborate closely with multidisciplinary teams and help deliver features that transform lives through accessible financial...Read More>>.

Posted: June 8th, 2026
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