Senior Python Backend Engineer - AWS/Flask

Company IconMethod Resourcing
Location Icon

Method Resourcing is hiring a Senior Software Engineer in the West of England to develop scalable software solutions for renewable energy systems. The suitable candidate should have strong backend skills in Python, experience with ETL pipelines and A...Read More>>.

Posted: June 6th, 2026
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Senior Python Backend Engineer — Front Office Platform

Company IconDW Search
Location IconLondon

A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-inten...Read More>>.

Posted: June 6th, 2026
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Senior Cloud-Native Backend Engineer (Java/Kotlin)

Company Icon慨正橡扯
Location IconLondon

慨正橡扯 is seeking a talented back-end engineer in Greater London to craft cutting-edge cloud-native applications. You will design, implement, and support solutions using Java/Kotlin, focusing on customer needs and agile methodologies....Read More>>.

Posted: June 6th, 2026
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Senior Backend Lead - Node.js, AWS & Kafka

Company IconGCS Recruitment
Location Icon

GCS Recruitment is seeking an experienced Lead Software Engineer (Backend) for a contract role based in the United Kingdom. This position focuses on leading the design and development of scalable, cloud-native services using JavaScript/TypeScript...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer – Cloud Data Platform (Remote)

Company IconXantura Limited
Location IconLondon

Xantura Limited is seeking a Senior Java Developer in London to design and develop scalable backend systems for our cloud-based data and analytics platform. Candidates should have strong commercial experience with Java and excellent technical skil...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer — Spring Boot, REST & Kafka

Company IconRockstar Games
Location IconLeeds

Rockstar Games in Leeds is seeking an experienced Java backend developer to design and implement solutions for fast-paced game development. The ideal candidate will have over 5 years of professional experience in Java and strong expertise in Spring B...Read More>>.

Posted: June 6th, 2026
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Senior Backend Developer

Company IconTripleTen
Location IconLondon

This job is brought to you by Jobs/Redefined, the UK's leading over‑50s age inclusive jobs board. Description At TripleTen, we're creating innovative learning products that empower people to master IT professions like s...Read More>>.

Posted: June 6th, 2026
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Back-end Developer (Java &Spring Boot/Python)

Company IconMethods Business and Digital Technology Ltd
Location IconLondon

Role Overview Salary: £55k to £65k. Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis. This is a hybrid role, requ...Read More>>.

Posted: June 6th, 2026
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Backend Developer

Company IconWoven Advice
Location Icon

We're an early staged UK Fintech company, focused on solving data challenges across the wealth management industry. We're looking for an experienced data-focused backend developer to help supercharge our product, integrations and APIs. I...Read More>>.

Posted: June 6th, 2026
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Cloud Backend Engineer (Golang/Java) – Hybrid AWS

Company IconUpwind Security, Inc.
Location IconBelfast

Upwind Security, Inc. is seeking an experienced Software Engineer to join their Backend Engineering team. This role involves solving complex engineering challenges and continuously improving solutions while working with all major cloud providers (...Read More>>.

Posted: June 6th, 2026
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Backend Engineer - Java/Spring Boot (Kotlin) for eCommerce

Company IconRevolution Technology
Location Icon

A leading SaaS company in London is seeking a Back End Software Engineer to join their dynamic team. The ideal candidate will have experience with Java 9+, Spring Boot, and Kotlin, along with a solid background in eCommerce. This role offers a compet...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer – Python & FastAPI, Hybrid London

Company IconTiro Partners Limited
Location Icon

A leading technology startup is seeking a Back-End Engineer in London to build and maintain backend services using FastAPI and Python. This role requires strong skills in developing web applications, alongside a passion for engineering and functional...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer — Real-Time Finance Platform

Company IconBGC Group
Location IconLondon

A global brokerage and financial technology company in Greater London is seeking a Senior Middle Office Backend Software Engineer. In this role, you will lead a team of engineers to enhance the performance of the GBX platform, ensuring system resilie...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer - Cloud Security

Company IconOcho
Location IconBelfast

Join an innovative startup in the cloud security sector as a Java/Golang Engineer, where you'll develop groundbreaking products and tackle complex engineering challenges. With a dynamic and collaborative work environment, this is your chance to be pa...Read More>>.

Posted: June 6th, 2026
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Backend Engineer (Golang/Java) – Hybrid Cloud Platform

Company IconUpwind Security
Location IconBelfast

A Cloud Security Platform provider based in Belfast is seeking a Backend Engineer with experience in Golang and Java to manage short-life projects from design to deployment. You'll collaborate with other teams, conduct performance analyses, and focus...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineering Lead | AWS & Backend Architect

Company IconJava Script Works
Location IconMaidenhead

Manager RolesAre comfortable leading strategy but still enjoy being close to architecture and implementation. Have worked with JavaScript/TypeScript, Node.js, SQL, React or similar technologies. Bring strong experience in backend engin...Read More>>.

Posted: June 6th, 2026
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Senior Lead Backend Engineer — Java & Kotlin (Fintech)

Company IconJPMorgan Chase & Co.
Location IconLondon

A leading financial services firm in Greater London is seeking a Senior Lead Software Engineer. The successful candidate will drive innovative product solutions while prioritizing collaboration and diversity in a tech-driven environment. Responsibili...Read More>>.

Posted: June 6th, 2026
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SENIOR BACKEND ENGINEER

Company IconHola Prime
Location IconMilton Keynes

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>>.

Posted: June 6th, 2026
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Backend Developer

Company IconConsortia Group
Location Icon

Backend Developer (Node.js)We’re partnering with a growing scale-up FinTech that is transforming how financial transactions are handled. Following a major acquisition, they are evolving from a hardware provider into a fully in...Read More>>.

Posted: June 6th, 2026
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Senior Lead Software Engineer - Backend Engineering - Java/Kotlin

Company IconJ.P. Morgan
Location IconLondon

OverviewOut of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and he...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer I - Acquiring Platform - Backend (Java)

Company Icon慨正橡扯
Location IconLondon

Full-timeCompensation: GBP 85,000 - GBP 105,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full...Read More>>.

Posted: June 6th, 2026
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Backend Developer (python and GCP) - £525 inside IR35

Company IconExalto Consulting
Location Icon

OverviewBack-End developer (python and GCP) - £525 inside IR35ResponsibilitiesExperience with frontend technologies including ReactStrong experience deploying and managing applications on Google Cloud Pla...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer – Foundations & APIs

Company IconOn
Location IconCowbridge

A leading tech company seeks a Senior Software Engineer to enhance internal operations through scalable software solutions. You will design, develop, and improve APIs and communication tools for better supplier interactions and materials management....Read More>>.

Posted: June 6th, 2026
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Senior Java & AWS Backend Engineer - Healthcare

Company IconECM Selection (Holdings) Limited
Location IconLondon

A leading healthcare technology firm is seeking a Java and AWS Developer in London to build secure, scalable cloud-based services for medical researchers. The role involves working with Java-based microservices on AWS, ensuring data security, and obt...Read More>>.

Posted: June 6th, 2026
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Senior .NET Web Developer & Backend Engineer

Company IconVenn
Location IconAlderley Edge

Location: Alderley Park, Cheshire (Hybrid/Flexible) About Venn We are a fast-scaling SaaS business transforming how recruitment agencies and employer brands attract talent. Our powers high-performance websites for over 200 globa...Read More>>.

Posted: June 6th, 2026
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Lead Java Backend Architect for AI-Driven E-commerce

Company IconSegmentify
Location IconLondon

A leading e-commerce personalization platform in the UK seeks a top-notch lead back-end developer. The role involves developing RESTful services and implementing Big Data solutions with strict SLAs. Candidates should have over 10 years of experience...Read More>>.

Posted: June 6th, 2026
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Staff Backend Engineer — Payments & Growth (Equity)

Company IconJack & Jill
Location IconLondon

Jack & Jill is looking for a Staff Backend Engineer based in London. In this role, you will lead the technical architecture for the Growth squad, managing critical ecommerce systems such as payments and checkout. Working closely with the CTO, you wil...Read More>>.

Posted: June 6th, 2026
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Secure Backend Platform Engineer - Web3/Cloud

Company IconStartup Talents
Location IconLondon

Startup Talents is hiring a Backend Platform Engineer to build secure CI/CD pipelines and implement infrastructure as code. The ideal candidate will have over 5 years of DevOps experience in Web3 or solid backend engineering for top tech companies. P...Read More>>.

Posted: June 6th, 2026
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Founding Product Engineer (Backend) - Scale NHS HealthTech

Company IconHealthTech
Location IconLondon

HealthTech is seeking a product-minded full stack founding engineer to join their mission to improve the NHS with technology. The role involves building and scaling innovative products in a collaborative environment. Candidates should have over 5 yea...Read More>>.

Posted: June 6th, 2026
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Backend-Focused Product Engineer — Build, Ship, Impact

Company IconMetaview
Location IconLondon

A leading AI startup in London is looking for a Product Engineer who is customer-focused and passionate about software development. The role involves leading product design and development with a primary focus on backend technologies using Python, AW...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Lead Identity Platform (Java)

Company IconCaresoft Global Limited
Location Icon

Caresoft Global Limited is seeking a Senior Backend Engineer to join their Identity Management Services team in Dunton, Essex. This contract role requires the candidate to work onsite a minimum of 4 days a week and involves designing high-scale backe...Read More>>.

Posted: June 7th, 2026
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Backend Engineer - Contract

Company IconGener8
Location IconLondon

We’re looking for an experienced backend or data engineer, working on some key technologies within our platform.About UsSince its launch in 2018, Gener8 has been at the forefront of the “open data” movement: the belief tha...Read More>>.

Posted: June 7th, 2026
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Senior Backend Engineer — Data Pipelines & BigQuery

Company IconGener8
Location IconLondon

Gener8 is seeking an experienced backend or data engineer to lead the extension and improvement of their e-Receipts data pipeline. You will work closely with a dedicated product and engineering team to manage data extraction from emails and delive...Read More>>.

Posted: June 8th, 2026
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Remote AI-Driven Python Backend Engineer (FastAPI)

Company IconDigital Waffle
Location IconBirmingham

Digital Waffle is seeking a Back End Engineer based in the UK to build next-generation applications using Python and FastAPI. The role emphasizes collaboration in a fast-paced environment with a focus on AI-assisted development workflows.Ca...Read More>>.

Posted: June 10th, 2026
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Senior Data Platform Lead — Backend Architect (Python/AWS)

Company IconAurora Energy Research
Location IconOxford

Aurora Energy Research in Oxford is seeking a founding Software Engineer for the Data Platforms team to build infrastructure that supports data-intensive outputs and large-scale simulations in the energy sector.The role involves managing a...Read More>>.

Posted: June 13th, 2026
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Remote Backend Python Engineer - High-Impact, AI Tools

Company IconSOLAS IT RECRUITMENT
Location IconBelfast

SOLAS IT RECRUITMENT is looking for a Python Software Engineer to join a collaborative remote team in Northern Ireland. This role focuses on backend development, requiring strong Python and SQL skills, with an emphasis on data processing and system p...Read More>>.

Posted: June 14th, 2026
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Staff Software Engineer: Backend & Cloud Leader

Company IconMARKS&SPENCER
Location IconLondon

MARKS&SPENCER is seeking a Staff Software Engineer in Commercial Trading to create robust and scalable solutions for the business. You will lead software development efforts, ensuring high-quality output while mentoring other engineers.The...Read More>>.

Posted: June 15th, 2026
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Senior Backend Engineering Lead - Distributed Systems

Company IconWise
Location IconLondon

Wise, a leading global technology company in London, is seeking a Senior Backend Engineer to lead its Contacts team. The role involves designing scalable architectures and leading a diverse team to deliver exceptional services.The ideal can...Read More>>.

Posted: June 19th, 2026
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Principle and Senior Backend Software Engineer (.NET)

Company IconRecenso
Location IconLondon

Principle and Senior Backend Software Engineer (.NET) Location: North London/HertfordshireType: Permanent | Strong Salary + Bonus + EquityRight to Work: UK work eligibility required (no sponsorship)...Read More>>.

Posted: June 20th, 2026
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Principal .NET Backend Engineer | IoT Systems + Equity

Company IconRecenso
Location IconLondon

A leading IoT technology firm is seeking a highly skilled Principle and Senior Backend Engineer (.NET) to design and develop critical backend services for IoT products. The role involves building scalable systems, ensuring high automated test coverag...Read More>>.

Posted: June 20th, 2026
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Senior Backend Engineer - Account Communications

Company IconWise
Location IconLondon

Wise in Greater London is seeking a Senior Software Engineer I for the Account Communications team. You will deliver complex product solutions and enhance the platform that informs millions of customers about their money daily.With a focus...Read More>>.

Posted: June 20th, 2026
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Platform Backend Engineer - Remote, APIs & Cloud

Company IconSpeechify
Location IconNewcastle upon Tyne

Speechify is seeking a Software Engineer, Platform, based in Newcastle, United Kingdom to enhance their backend services. This role is crucial for designing APIs and optimizing performance in a fully remote setting.The ideal candidate shoul...Read More>>.

Posted: June 20th, 2026
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Backend Engineer with SC Clearance - Defence | Newcastle

Company IconClient Server
Location IconNewcastle upon Tyne

Client Server is seeking a Backend Software Engineer in Newcastle upon Tyne. The role involves working on Defence sector projects for government clients, offering a salary of up to £120k plus benefits. The ideal candidate should have strong backe...Read More>>.

Posted: June 20th, 2026
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Backend/Infrastructure Engineer at Mubit

Company IconJack & Jill/External ATS
Location IconLondon

Job Title Backend/Infrastructure Engineer Company Description Mubit - Well-funded AI infrastructure startup building the operational memory layer for production agents. Job Description As the first engin...Read More>>.

Posted: June 20th, 2026
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Senior Backend Data Engineer: Pipelines & Reliability

Company IconKpler group
Location IconLondon

Kpler group in the Greater London area seeks a Data Engineer to design and evolve data pipelines powering analytics and product functionalities. The candidate will own complex workflows for data transformation and delivery while ensuring reliabili...Read More>>.

Posted: June 20th, 2026
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Backend Engineer – APIs, Payments & Scalable Systems

Company IconSpaceBay Group
Location IconLondon

A technology firm in Greater London is seeking a skilled Backend Developer to build and maintain their platform infrastructure. The role involves designing robust APIs using Node.js and TypeScript, integrating payment solutions like Stripe, and ensur...Read More>>.

Posted: June 20th, 2026
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Staff Software Engineer — Backend & Technical Leadership

Company IconMarks and Spencer
Location IconLondon

Marks and Spencer is looking for a Software Engineer to join their Software Engineering team in Greater London. In this role, you'll develop software solutions that serve millions of customers, leading high-quality engineering practices.You...Read More>>.

Posted: June 20th, 2026
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Backend developer (f/m/d)

Company IconClient Server
Location IconLondon

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+ Do you have expertise with backend, low latency software engineering? You could be progressing your career in a senior, hands-on Backend Software Engineer role at a...Read More>>.

Posted: June 18th, 2026
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Staff Data Engineer (Backend Data Specialist)

Company IconOcho
Location IconBelfast

Job description. Staff Data Engineer (Data Specialist / Backend Focus) Location: Belfast (Hybrid) Eligibility: UK work authorisation required (no sponsorship availa...Read More>>.

Posted: June 18th, 2026
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Senior Backend Engineer (Hybrid working)

Company IconOcho
Location IconBelfast

Senior Software Engineer - Node.js Confidential Client * Remote (UK) * Full-time About the Client This role sits with a well-established product engineering organisation headquartered in Northern Ireland, with a reputation built on delivering composa...Read More>>.

Posted: June 21st, 2026
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