Senior Backend Engineer - Scale High-Performance APIs

Company IconInfoSum
Location IconBasingstoke

InfoSum is looking for a Senior Backend Engineer to design and maintain high-performance backend systems for their data collaboration platform. You will collaborate with teams including frontend engineers and product managers to deliver efficient...Read More>>.

Posted: June 6th, 2026
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Senior Node.js Engineer — CMS & Platform (Hybrid)

Company IconLeoVegas Group
Location IconLeeds

LeoVegas Group is seeking a self-driven Senior Software Engineer to join the CMS team. The role involves developing key features, writing maintainable code in an agile environment, and mentoring peers. Key qualifications include experience in Node.js...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Backend)

Company IconLloyds Banking Group
Location IconLeeds

Join to apply for the Senior Software Engineer (Backend) role at Lloyds Banking Group Base pay range Salary: £70,929 - £86,691. Location(s): Edinburgh, Bristol, Halifax, Leeds & Chester. Hours: Full-time - 35 hou...Read More>>.

Posted: June 6th, 2026
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Senior Go Backend Engineer for FinTech Analytics

Company IconDelio Group
Location IconCardiff

Delio Group is seeking a skilled Go Developer to design and build large-scale financial calculation services. This role focuses on developing high-performance backend systems to support portfolio analytics. The ideal candidate will have strong Go exp...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer - Pricing Platform, Flexible Work

Company IconPrima
Location IconLondon

A leading motor insurance provider in London is looking for a Software Engineer to enhance their pricing and underwriting tools. You will develop innovative solutions while collaborating with a dynamic team of engineers and stakeholders. The ideal ca...Read More>>.

Posted: June 6th, 2026
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Sr Lead Software Engineer - Java

Company IconJ.P. MORGAN
Location IconGlasgow

Job Summary As a Senior Lead Software Engineer in Markets - Prime Finance Services, you will play a pivotal role in enhancing, building, and delivering trusted technology products. You will apply deep technical expertise and problem‑...Read More>>.

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

Company IconFortinet
Location IconLondon

A leading cybersecurity company is seeking a Senior Software Engineer to develop server-side applications and APIs for their FortiDLP platform. This role involves implementing new functionalities, maintaining existing features, and ensuring code qual...Read More>>.

Posted: June 6th, 2026
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Senior Rates Developer - Java

Company IconDelta Capita
Location IconLondon

LocationLondon, Hybrid Role Type12 Month Contract Rate£800 - £900 per day Delta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. This rol...Read More>>.

Posted: June 6th, 2026
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Lead Python Engineer, Commodities Platform

Company IconJ.P. Morgan
Location IconLondon

A global financial institution in Greater London is seeking a Python Lead Software Engineer to enhance and deliver market-leading technology products for Commodities trading. This role involves executing creative software solutions, developing secure...Read More>>.

Posted: June 6th, 2026
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Lead Software Engineer - Python, AIML, Cloud

Company IconJPMorganChase
Location IconLondon

Job OverviewJ.P.MorganChase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Ap...Read More>>.

Posted: June 6th, 2026
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GoLang Microservices Engineer - Scalable APIs

Company IconSouthwick-Hill Recruitment
Location IconLondon

A tech-focused recruitment agency is seeking a skilled software engineer proficient in Golang. The successful candidate will be instrumental in delivering a robust product roadmap by developing clean, maintainable code in an agile environment. Key re...Read More>>.

Posted: June 6th, 2026
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Lead Software Engineer - Java

Company IconJPMorgan Chase & Co.
Location IconGlasgow

Are you ready to make a real impact with your technical expertise? At JPMorganChase, you’ll collaborate with talented colleagues to deliver trusted, market-leading technology products. We empower you to push boundaries, grow your career, and...Read More>>.

Posted: June 6th, 2026
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Backend Engineer (Go, Cloud) — Build Scalable Systems

Company IconInfoSum Limited
Location IconBasingstoke

InfoSum Limited is seeking a Software Engineer to design and develop software solutions that meet client needs. The role involves collaboration with cross-functional teams, ensuring software quality, and maintaining technical documentation....Read More>>.

Posted: June 6th, 2026
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Senior Site Reliability Engineer | Python & Cloud

Company IconOnyx-Conseil
Location IconLondon

Jas Gujral is hiring a Site Reliability Engineer in London to manage and improve cloud-based services and tools. The role requires over 7 years of experience with Python, DevOps engineering, and collaboration across teams. Responsibilities include ma...Read More>>.

Posted: June 6th, 2026
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Embedded UI Engineer - C++/Python Tooling & CI

Company IconRoku
Location IconCambridge

A leading streaming platform in Cambridge is seeking a Software Engineer for UI Infrastructure. You will contribute to the embedded UI framework development and ensure high-quality software performance. This role involves building tooling, developing...Read More>>.

Posted: June 6th, 2026
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Quant Trader - Python/C++ (London)

Company IconStars Arena
Location IconLondon

Stars Arena in London is looking for an Options Trader to join their team. This full-time position requires a proactive and self-motivated individual capable of effectively collaborating across teams. Candidates should be proficient in programming...Read More>>.

Posted: June 6th, 2026
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FinTech; API – Product Owner

Company IconConficio Recruitment Limited
Location IconLondon

We’re working once again with a favourite of ours - a London-based FinTech / B2B SaaS business transforming how financial services teams collaborate and deliver critical time imperative high value work. As they scale and explore new op...Read More>>.

Posted: June 6th, 2026
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Solutions Consultant: SQL, Java & Windows

Company IconQuant Capital
Location IconLondon

Quant Capital is seeking a Professional Services Consultant based in London, UK. The ideal candidate should possess strong analytical and problem-solving skills with a technical, mathematic, or scientific degree. Experience in SQL, Java, or related t...Read More>>.

Posted: June 6th, 2026
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Software Engineer in Manchester - Hamiltonian Dynamics

Company IconJava Script Works
Location IconManchester

Software Engineer Manchester, UnitedKingdom Posted 11 months ago Tech stack JavaScript Python Azure React TypeScript Angular Kubernetes Vue.js...Read More>>.

Posted: June 6th, 2026
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.NET Developer - Remote, Azure & Microservices, Growth Path

Company IconNoir
Location IconBishop's Stortford

Join a pioneering global brand as a .NET Developer, where you'll be at the forefront of developing innovative features for a leading social networking site. This role offers the chance to work with the latest technologies, including .NET 9, Azure, an...Read More>>.

Posted: June 6th, 2026
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Senior Python Developer - Cloud-Native, CI/CD

Company IconAccenture
Location IconManchester

Accenture is seeking a Python Developer in Manchester to work with cutting-edge technologies within the Next Gen Engineering team. You will develop applications in an agile environment, ensuring quality through documentation and testing. Experience i...Read More>>.

Posted: June 6th, 2026
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Audience Insights Data Analyst (Hybrid) — BigQuery & Python

Company IconIpsos in the UK
Location IconLondon

Ipsos in the UK is seeking a proactive Data Analyst to join the Ipsos iris team, focusing on transforming large-scale data into actionable insights for online audience measurement. The ideal candidate will utilize Python and SQL while working coll...Read More>>.

Posted: June 6th, 2026
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Senior WordPress Backend Developer – Hybrid

Company IconSoBold LLC
Location IconLondon

A high-performance web design agency is seeking an experienced Back End WordPress Developer to join their team in London. The role involves re-architecting client websites and creating custom WordPress plugins, ensuring high performance and user expe...Read More>>.

Posted: June 6th, 2026
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Senior Java Software Engineer

Company IconBright Horizons UK
Location IconNorthampton

Senior Software Engineer Are you a seasoned .NET developer ready to lead enterprise‑grade software projects and drive digital transformation? We’re looking for a senior software engineer to join our team and shape the future of our...Read More>>.

Posted: June 6th, 2026
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Python Developer (On Site)

Company Iconbluedog cyber security
Location IconLondon

ResponsibilitiesDevelop, audit, and maintain Python scripts for automation of deployment, configuration, monitoring and various tasks.Assist in documentation and help in understanding the functions of the c...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Scale, Performance & Leadership

Company IconDatabricks
Location IconLondon

Databricks is seeking a highly skilled Senior Staff Software Engineer to join their backend team in Greater London. The ideal candidate will have over 15 years of experience with large-scale distributed systems. Responsibilities include designing rob...Read More>>.

Posted: June 6th, 2026
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Frontend Engineer

Company IconTerra API
Location IconLondon

About The Role At Terra, we aim to be the infrastructure for health data and products alike. To do this, we need world‑class engineers capable of making the most intuitive and pleasing UI for our customers and internal team. Branding...Read More>>.

Posted: June 6th, 2026
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Backend Engineer - Databases and APIs

Company IconM+C Saatchi UK
Location IconLondon

We are looking for a Backend Engineer to lead our API and database development. In this role, you will own the data layer that powers our platform. This role sits at the intersection of data architecture and backend engineering. You will define...Read More>>.

Posted: June 6th, 2026
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Backend Software Engineer (Mid-level)

Company IconFreetrade Limited
Location IconLondon

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that....Read More>>.

Posted: June 6th, 2026
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Java Low-Latency Systems Engineer (London)

Company IconWorksHub
Location IconLondon

WorksHub is seeking a Java Low-Level/Low Latency Engineer in London, United Kingdom. The ideal applicant will possess a deep understanding of systems-level programming with proficiency in Java, Rust, C, or C++. Experience with manual memory managemen...Read More>>.

Posted: June 6th, 2026
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Python Developer in Belfast - Adepta Partners Limited

Company IconStars Arena
Location IconBelfast

Python Developer Location: Belfast, United Kingdom Posted 9 months ago Company: Adepta Partners Limited Compensation £100,000 - 100,000 per year Role type Full time Visa sponsorshi...Read More>>.

Posted: June 6th, 2026
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Translational Computational Biologist I/II (R/Python)

Company IconPrecede
Location IconBoston

Precede is looking for a Scientist I/II in Translational Computational Biology to join their team in Boston, United Kingdom. The ideal candidate is proficient in R (Bioconductor) or Python and is able to work adaptively with minimal direction. Candid...Read More>>.

Posted: June 6th, 2026
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Java Engineer (Tooling)

Company IconBright Ascension Ltd
Location IconCity of Edinburgh

We are looking for an experienced and motivated Java Engineer to We are looking for an experienced and motivated Java Software Engineer to join our team. This exciting new role will contribute to our product development, taking responsibility f...Read More>>.

Posted: June 6th, 2026
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FinTech Data Scientist (Python + SQL) – Newcastle

Company IconClient Server Ltd.
Location IconNewcastle upon Tyne

Client Server Ltd. is seeking a Data Scientist in Newcastle upon Tyne, offering a salary up to £80k. You will utilize your strong Python and SQL skills to analyze complex data sets at a growing FinTech company.The role includes working in...Read More>>.

Posted: June 8th, 2026
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Lead Software Engineer - Python & AWS

Company IconAumni
Location IconGlasgow

As a Lead Software Engineer at JPMorgan Chase within Markets Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technology products in a secure, stable, and scalable way...Read More>>.

Posted: June 10th, 2026
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Go Backend Engineer — Hybrid & Growth Perks

Company IconThisisbud
Location Icon

Join Thisisbud as a Backend Engineer, where you'll create and maintain scalable applications using Go. This role involves collaborating with engineers on backend systems and requires a strong understanding of various data technologies.Enjoy...Read More>>.

Posted: June 10th, 2026
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Data Quality & Remediation Lead - SQL & Python

Company IconPassFort
Location Icon

PassFort is seeking a skilled professional for data remediation support, focusing on delivering accurate and scalable data solutions. Ideal candidates will have strong experience with SQL and Python, along with a Bachelor's degree in a related fie...Read More>>.

Posted: June 12th, 2026
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Python Lead Software Engineer - Credit Technology

Company IconJ.P. MORGAN
Location IconGlasgow

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer in Credit Technology at JPMorgan Chase, you will join an agile t...Read More>>.

Posted: June 12th, 2026
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Senior C# Developer—Lead Path in Microservices

Company IconRadius Limited
Location IconCrewe

Radius Limited in Crewe is seeking a Senior C# Developer to join a collaborative team. The ideal candidate will be a technically strong engineer looking to progress into a Team Lead position while contributing to modern software platforms within a...Read More>>.

Posted: June 12th, 2026
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ML / Backend Engineer @ Sqwish

Company IconSqwish
Location IconCambridge

£40k-£90k depending on location and experience About Sqwish Labs. At Sqwish Labs we build the infrastructure that lets AI products learn from real production outcomes, so signals like customer resolution, conversion, trust, time saved,...Read More>>.

Posted: June 12th, 2026
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Senior/Staff Software Engineer, Backend

Company IconRive Inc.
Location IconLondon

Rive is where designers, animators, and developers build interactive experiences. Design, animate, and code in one place. What you build in the editor is what ships in your app, game, or website. No mockups, no prototypes, no handoff. The real...Read More>>.

Posted: June 13th, 2026
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Senior Engineer, Fintech Mobile & Backend

Company IconTaptap Send
Location IconLondon

Taptap Send in Greater London is searching for a Senior Engineer to enhance its mobile app, focusing on developing user-facing features. You will collaborate with teams to ensure high-quality code and impactful product delivery.The ideal ca...Read More>>.

Posted: June 13th, 2026
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Senior Backend Engineer

Company IconBauer Media Outdoor UK
Location IconLondon

Our mission is to create tech that makes a difference, empowers teams, delights customers, and shapes the media world of tomorrow We’re one of the leading media advertising companies with over 33,000 advertising sites across the UK and...Read More>>.

Posted: June 13th, 2026
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Lead Platform Engineer: Cloud-Native Microservices

Company IconJ.P. MORGAN
Location IconLondon

J.P. MORGAN is seeking a Lead Software Engineer - Platform Engineering to join their International Consumer Bank. This role involves delivering innovative cloud-native microservices architecture applications within a flat-structured organization....Read More>>.

Posted: June 14th, 2026
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Principal Backend Architect & Tech Leader

Company IconSnapDragon Monitoring
Location IconCity of Edinburgh

SnapDragon Monitoring in Edinburgh is seeking a Principal Engineer to join their dynamic team. This high-impact role involves designing and maintaining backend services and APIs, mentoring engineers, and ensuring code quality and reliability....Read More>>.

Posted: June 14th, 2026
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Principal Java Engineer - Retail

Company IconMindera
Location IconLondon

At Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew! 6‑month contract outside IR35. You will be required to work in Paddington 3 days a we...Read More>>.

Posted: June 15th, 2026
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Python Engineer for Fintech APIs & Data Pipelines (Hybrid)

Company IconLandytech
Location IconLondon

Landytech is seeking a talented Software Engineer to join their innovative team in London. This is an exciting opportunity to work with modern technologies in a fast-growing fintech company that is revolutionizing investment reporting. Candidates...Read More>>.

Posted: June 15th, 2026
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