Principal Software Engineer – AI-Driven Simulation Platform

Company IconPhysicsX Ltd
Location IconLondon

A deep-tech company in Greater London seeks a Principal Software Engineer. This role focuses on leading and enhancing AI-driven simulation applications across various engineering sectors. The ideal candidate will possess strong experience in distribu...Read More>>.

Posted: April 17th, 2026
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BI Developer: SQL, SSIS & Data Warehouse (Hybrid)

Company IconJefferson Frank
Location Icon

A UK-based organisation is looking for an experienced BI Developer to join their data team in Reading. This hybrid role offers a competitive salary of £60,000 plus benefits. Responsibilities include developing SQL databases, creating SSIS packages,...Read More>>.

Posted: April 17th, 2026
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Senior C++ Developer - AI & Security Systems (Manchester Onsite)

Company IconBAE Systems
Location IconManchester

A leading defense technology company is seeking an experienced C++ Developer in Manchester. The role involves enhancing national security products, utilizing modern C++ standards, and collaborating within Agile Scrum teams. Candidates should possess...Read More>>.

Posted: April 17th, 2026
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Hybrid .NET Cloud Developer (Junior–Mid) | AWS Growth

Company IconCandour Solutions
Location IconLeeds

A technology solutions provider based in Leeds is seeking an Associate Consultant. In this hybrid role, you will work on enterprise-grade applications and cloud-native solutions using C#, .NET, and AWS. The position offers significant potential for p...Read More>>.

Posted: April 17th, 2026
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Senior Java Backend Engineer - Hybrid, 6-Month Contract

Company IconFruition Group
Location IconLondon

A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems....Read More>>.

Posted: April 17th, 2026
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Backend Engineer in London - LA International Computer Consultants Ltd

Company IconGolang Works
Location IconLondon

Staff-Level Full-Stack Software Engineer Location: 108 E 16th Street, New York, NY 10003 Salary: £130,000 - 143,000 per year Requirements: Strong experience building secure, scalable backend systems in...Read More>>.

Posted: April 17th, 2026
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Senior AWS Backend Engineer - Remote Data Solutions

Company IconSplashlight
Location IconLondon

An international company is seeking a backend developer to design and deliver statistical models and data solutions. You will work with AWS to develop solutions, collaborate with product teams, and troubleshoot technical issues. The ideal candidate h...Read More>>.

Posted: April 17th, 2026
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Software Engineer I London, England, United Kingdom London, England, United Kingdom

Company IconAxon Enterprise
Location IconLondon

Location: London, England, United Kingdom Join Axon and be a Force for Good. Your Impact Work Location: This role is based out of our London office and follows a hybrid schedule. We rely on in‑per...Read More>>.

Posted: April 17th, 2026
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Full Stack Engineer

Company IconSR2 | Socially Responsible Recruitment | Certified B Corporation™
Location IconLondon

Senior Full Stack Engineer | London | £120,000 - £160,000+ | Python | React | TypeScript Location: London (hybrid) Backend: Python (strong typing, well-structured APIs - Django or FastAPI or Flask) Fronte...Read More>>.

Posted: April 17th, 2026
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Backend Engineer, Portfolio Data & APIs (EU)

Company IconAddepar
Location IconCity of Edinburgh

A global data and AI platform is seeking a Backend Software Engineer to join their team in Edinburgh. This role involves maintaining and evolving critical API services supporting their financial data ecosystem and modernizing architecture for Europea...Read More>>.

Posted: April 17th, 2026
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Senior Power BI Developer - Hybrid London

Company IconWedo Technology Solutions Ltd.
Location IconBristol

A growing technology company in the UK is seeking a Senior Power BI Developer to transform their data reporting landscape. This role involves designing and developing Power BI solutions, modernising Excel-based reports, and ensuring data quality and...Read More>>.

Posted: April 17th, 2026
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Senior Java Software Engineer II — AI-Driven Cloud Solutions

Company IconRELX
Location IconOxford

A leading information and analytics company in the UK is seeking a Senior Java Software Engineer II to enhance its cloud-hosted systems supporting scientific research. You will work in a dynamic Agile team, focusing on design, development, and deploy...Read More>>.

Posted: April 17th, 2026
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Senior Backend Engineer - Node.js, TS & Web3

Company IconCalyptus
Location Icon

A technology firm in the United Kingdom is seeking a Mid-Senior level Co-Founder to design and implement scalable backend solutions. Ideal candidates will have strong experience with Node.js, TypeScript, and PostgreSQL, along with familiarity in bloc...Read More>>.

Posted: April 17th, 2026
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Senior Software Developer, Creature Performance (Brahma AI - A DNEG Dedicated Unit of Brahma)

Company IconDNEG
Location IconLondon

Position at DNEG Description We are creating a team to push the boundaries of Creatures technology in Visual Effects and Feature Animation. Together with our artists we are sketching our vision of the future in Creatures and def...Read More>>.

Posted: April 17th, 2026
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Hybrid AWS Backend Engineer - Golang/Java

Company IconUpwind Security
Location IconBelfast

A leading security technology company in Northern Ireland seeks a Backend Engineer to manage project lifecycles from design to deployment. The successful candidate will have at least 1 year of experience in Golang or Java, alongside knowledge of clou...Read More>>.

Posted: April 17th, 2026
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Health Front-End Developer — Email, Banners & WordPress

Company IconQQFS (Qualitative & Quantitative Fieldwork Services)
Location IconLondon

A specialist healthcare communications agency is seeking a skilled Front-End Developer with over 3 years of experience. The role involves building responsive HTML email templates, developing HTML5 display ads, and maintaining WordPress pages. The ide...Read More>>.

Posted: April 18th, 2026
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Senior Mobile Tech Lead — React Native & Native

Company IconCheckout Ltd
Location IconLondon

A leading global payments company is seeking a Senior Mobile Engineer to lead the development of its mobile app from inception. This role requires 8-10 years of mobile engineering experience with strong expertise in React Native. Responsibilities inc...Read More>>.

Posted: April 20th, 2026
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VP, AI-Driven Developer Experience

Company IconGoldman Sachs
Location IconLondon

A global investment banking firm seeks a highly skilled Senior Engineer to design, deploy, and manage AI systems that improve the software development lifecycle. Candidates must have over 10 years of experience in programming, with strong skills in G...Read More>>.

Posted: April 21st, 2026
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Senior Backend Engineer for Scalable Data & AI Systems

Company IconPalantir Technologies
Location IconLondon

A data-driven software company in Greater London is seeking a Backend Software Engineer to lead the architecture and development of scalable backend services. The role involves building robust APIs, collaborating with other engineers, and optimizing...Read More>>.

Posted: April 23rd, 2026
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Full-Stack Engineer - End-to-End Mobile & API Delivery

Company IconHiya Inc.
Location IconLondon

Hiya Inc. is looking for a Full-stack Engineer in London to take ownership of features from contract through to rollout. You will work across the API and client code, collaborate with product and design on clear specifications, and deliver impactful...Read More>>.

Posted: April 24th, 2026
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Senior Backend Engineer for DAG‑Driven Orchestration

Company IconJack and Jill AI
Location IconLondon

Jack and Jill AI is seeking a Senior Backend Engineer to design an orchestration layer for deploying autonomous technology in heavy industries. You will build integrations using Python and FastAPI, ensuring platform reliability through CI/CD pipeline...Read More>>.

Posted: April 27th, 2026
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Senior Backend Engineer (Go) - Remote UK

Company IconRollbar, Inc.
Location Icon

Overview Want to make the most of AI as part of the development process? Would you describe yourself as an engineer who owns product outcomes, not just code? Want to work in a small, well-established, profitable and secure company, set...Read More>>.

Posted: May 6th, 2026
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Software Engineer III - Real-Time Client Liquidity Dashboard Java and Kafka/ReactJs

Company IconJ.P. MORGAN
Location IconBournemouth

Job Description Be an integral part of a team that's constantly pushing the envelope to enhance, build, and deliver cutting‑edge technology products. As a Software Engineer III on the Global Liquidity and Cash Management Techn...Read More>>.

Posted: May 7th, 2026
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Senior Software Engineer, Trading Systems - Remote (EU/UK)

Company IconFanatics-Betting-
Location Icon

Fanatics-Betting- is seeking a Software Engineer III in the United Kingdom. The role involves developing and enhancing scalable solutions for the Fanatics Betting platform. Candidates should have 3-5 years of experience in building applications, prof...Read More>>.

Posted: May 7th, 2026
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Senior Full-Stack Engineer — Remote AI Web Platform

Company IconFanatics
Location IconLondon

Fanatics is seeking a Software Engineer III (Full Stack) to lead the development of their web app, focusing on creating scalable, high-quality user experiences. Ideal candidates should have over 4 years of experience in modern JavaScript/TypeScript,...Read More>>.

Posted: May 7th, 2026
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Full Stack Engineer - AI-Powered Workflows, London (Onsite)

Company IconSpace Executive
Location IconLondon

A leading recruitment firm is seeking a Full Stack Engineer to join their product-focused team in London. This hands-on role involves designing software for complex workflows, utilizing TypeScript for frontend development and Python for backend servi...Read More>>.

Posted: May 7th, 2026
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ServiceNow HRSD / S2P Senior Developer - Hybrid working UK

Company IconPlatform 6 Ltd
Location Icon

Job Summary Our client is a leading organisation within the ServiceNow ecosystem who has an immediate requirement for a hybrid working ServiceNow HRSD / S2P Senior Developer for a permanent hybrid role in the UK. Key Responsibi...Read More>>.

Posted: May 7th, 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: May 7th, 2026
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Azure Data Factory Developer — Build Data Pipelines & Ingest

Company IconInternational Business Solutions Consult
Location IconSunbury on Thames

A technology consultancy in Sunbury-on-Thames seeks a Database Engineer for an 8-month rolling contract. The role requires extensive experience with IaaS, Azure SQL server, and knowledge of Big Data and NoSQL technologies. Candidates should have stro...Read More>>.

Posted: May 7th, 2026
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Java Backend Engineer – Kafka API (Hybrid, London)

Company IconClient Server
Location IconLondon

Client Server in Greater London is looking for a Java Developer to work on cutting-edge technology within the financial services sector. This role offers a salary of up to £90k, hybrid working model with 2 days WFH weekly, and excellent perks such a...Read More>>.

Posted: May 7th, 2026
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Senior Full-Stack Engineer – AWS Microservices & Greenfield

Company IconMCS Group
Location IconBelfast

MCS Group is seeking a Senior Full Stack Engineer in Belfast to join a high-performing team working on a next-generation platform. Candidates should have 5+ years in full stack or backend engineering with expertise in React, TypeScript, and AWS. This...Read More>>.

Posted: May 8th, 2026
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Senior Front Office C#/.NET Developer – Live Trading Tools

Company IconLevelUP HCS
Location IconLondon

LevelUP HCS is looking for a Senior Software Developer (VP) in the Corporate Investment Banking sector. This hands-on role requires strong expertise in C# and .NET, with experience in trading environments. You will work closely with Front Office team...Read More>>.

Posted: May 8th, 2026
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Backend Engineer, RiskOS — Real-Time Identity Security

Company IconSocure
Location IconLondon

Socure in Greater London is seeking a highly skilled Software Engineer to join their dynamic engineering team. The role involves leading the design, development, and deployment of advanced software solutions, collaborating closely with cross-function...Read More>>.

Posted: May 8th, 2026
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Software Engineer (Go/AWS) - Scale-up Product Company - £90k

Company IconLa Fosse
Location IconLondon

I am recruiting for a fast‑growing tech scale‑up that’s transforming how hospitality and retail businesses manage flexible staffing. They are a proper product‑driven technology company building a platform that connects businesses...Read More>>.

Posted: May 9th, 2026
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Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Company IconJPMorganChase
Location IconLondon

OverviewBehind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approac...Read More>>.

Posted: May 9th, 2026
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Principal Engineer, Personalisation & AI UX (Hybrid)

Company IconMarks & Spencer Plc
Location IconCity of Westminster

Marks & Spencer Plc is seeking a Principal Engineer to shape our technical direction in the Personalisation product group. This role involves designing scalable systems for personalisation, search, and AI-powered features while driving engineering st...Read More>>.

Posted: May 9th, 2026
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Senior Software Engineer, AI/ML Integration (27640)

Company IconEcm Selection
Location IconGuildford

This engineering software company is integrating AI and machine learning features into its application suite, and seeks a skilled traditional software engineer with experience working on similar projects. You will have architected, devel...Read More>>.

Posted: May 9th, 2026
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Senior C#/.NET Developer for AI-Driven Legal Platform

Company IconClio
Location IconManchester

Clio, a leader in legal AI technologies located in Manchester, is seeking a Full-Stack Engineer to develop innovative work and case management platforms. The ideal candidate will possess extensive experience in C#/.NET and SQL optimization, tackling...Read More>>.

Posted: May 9th, 2026
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Senior Backend Engineer: .NET & Azure Cloud Migration Lead

Company IconParser
Location IconLondon

Parser is seeking a Senior Software Engineer in Greater London to lead the migration of .NET services from AWS to Azure. The role involves designing event-driven systems, mentoring teams, and establishing CI/CD pipelines. The ideal candidate will hav...Read More>>.

Posted: May 9th, 2026
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Senior Backend Engineer: Python, AWS, Hybrid + Equity

Company IconTaktile
Location IconLondon

Taktile is looking for a Senior Backend Engineer to join the team in London. This role involves designing and operating backend services in Python on AWS, tackling scalability and reliability challenges. Candidates should have at least 5 years of exp...Read More>>.

Posted: May 9th, 2026
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Senior Full Stack Engineer

Company IconBauer Media Group Heinrich Bauer Verlag KG
Location IconManchester

Our Team: How We Enrich Everyday Life You’ll be joining Bauer Media Audio (BMA), Europe’s biggest commercial audio broadcaster, connecting audiences across nine markets to the music, stories and experiences they love. Bauer Media A...Read More>>.

Posted: May 10th, 2026
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Strategic Full-Stack Tech Lead | UX, AI & Cloud

Company IconUniversity of Birmingham
Location IconBirmingham

The University of Birmingham seeks a Lead Full Stack Developer to oversee the design and delivery of modern digital services across web, mobile, and API platforms. You will lead technical architecture, mentor developers, and ensure high-quality deliv...Read More>>.

Posted: May 10th, 2026
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Lead Software Engineer: AI-Driven Payments (Java)

Company IconJPMorgan Chase & Co.
Location IconGlasgow

JPMorgan Chase & Co. is seeking a Lead Software Engineer to join their Payments team in Glasgow. This role focuses on developing technical solutions for a fully cloud-based payments application, ensuring high performance and low latency. You will exe...Read More>>.

Posted: May 10th, 2026
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Senior Python Backend Engineer — Scalable APIs & AI Workflows

Company IconXelix
Location IconLondon

A dynamic scale-up in the fintech space is looking for a Senior Python Developer to join their team in Greater London. In this role, you'll implement robust solutions, design REST APIs, and ensure code quality through testing and reviews. The company...Read More>>.

Posted: May 10th, 2026
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Greenfield Go Backend Engineer – Real-Time Trading Data

Company IconXTX Markets
Location IconLondon

XTX Markets is seeking a Software Engineer for their new Trading Data Technology team in London. This role involves designing and operating a greenfield Trading Data platform, handling tasks in back-end services primarily using Go, and engaging in fu...Read More>>.

Posted: May 10th, 2026
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Senior React UI Engineer – Remote, Real-Time SaaS

Company IconTrustonic
Location IconWinnersh

Trustonic, based in Winnersh, is looking for a Senior UI Developer. In this role, you will build and evolve an operator web portal, focusing on user experience and performance. Key responsibilities include designing interfaces using React 18 and inte...Read More>>.

Posted: May 10th, 2026
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Senior Software Engineer – AI / Agentic Systems

Company IconMA (Montreal Associates)
Location IconLondon

Senior Software Engineer – AI / Agentic Systems London (Hybrid) We’re partnering with a cutting-edge AI startup redefining how intelligent systems operate at scale. Their mission is ambitious: to push the boundaries of agent...Read More>>.

Posted: May 10th, 2026
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Senior Software Engineer - AI-Powered Fintech (Hybrid)

Company IconSignify Technology
Location IconLondon

Signify Technology is seeking a high-impact individual contributor for a fintech client in Central London. The successful candidate will deliver high-quality code across the full stack, utilize AI and automation to streamline workflows, and provide t...Read More>>.

Posted: May 12th, 2026
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Quant Developer: High-Perf Trading Engines + Stock Options

Company IconTankX
Location IconLondon

TankX is a quantitative trading company located in Greater London, seeking a skilled engineer to design low-latency trading systems. You'll build robust C++ engines and optimize performance while collaborating closely with data engineers. A Bachelor'...Read More>>.

Posted: May 12th, 2026
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Senior Software Engineer — High-Throughput Java & Cloud

Company IconHong Kong Exchanges and Clearing Limited (HKEX)
Location IconLondon

Hong Kong Exchanges and Clearing Limited (HKEX) is looking for a Vice President in London to engineer and enhance their Inter-Office Trading platform. The role demands proficiency in Java, experience with cloud infrastructures, and strong skills in d...Read More>>.

Posted: May 12th, 2026
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