Ruby On Rails Developer

Company IconInsight Recruitment Group
Location IconLondon

This is a brilliant time to join as the company are looking to increase the size of their development team over the next 12 months.You'll be creating, scaling and maintaining code with a focus on best practices, working closely with the pro...Read More>>.

Posted: February 28th, 2026
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Senior Backend Engineer - Payments & API

Company IconSuper Payments
Location IconLondon

A financial technology company in Greater London is searching for an experienced Software Engineer to lead the design of their B2B API and payments infrastructure. Ideal candidates have at least 8 years of software engineering experience, a backgroun...Read More>>.

Posted: March 1st, 2026
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Senior Software Engineer, SaaS Platform & AI-Driven

Company IconJoin It
Location IconLondon

A fast-growing software company in London is seeking a Senior Software Developer to enhance their B2B SaaS platform. This role involves owning problems end-to-end, designing and shipping features, and maintaining high code quality. The ideal candidat...Read More>>.

Posted: March 31st, 2026
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Software Engineer (£75k–£105k + Equity) at Electric Twin

Company IconJack & Jill/External ATS
Location IconLondon

OverviewThis is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack.Software Engineer (£75k–£105k +...Read More>>.

Posted: March 16th, 2026
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Staff Engineer at Dayhoff Labs

Company IconJack & Jill/External ATS
Location IconLondon

Company Description Dayhoff Labs - DeepTech AI biology startup backed by DCVC Job Description Own the technical evolution of a frontier biochemistry search platform. You will architect robust cloud infrastructure, desig...Read More>>.

Posted: March 17th, 2026
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Senior Software Engineer — AI Inference Systems

Company Iconanthropic
Location IconLondon

A leading AI research organization in the UK is seeking a software engineer to join their Inference team. This role focuses on building and maintaining AI infrastructure to support research and serve users globally. Candidates should have experience...Read More>>.

Posted: March 18th, 2026
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Mid-Level Software Engineer (Python) - RegTech 2026 - UK

Company IconSuade Labs Ltd
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 regu...Read More>>.

Posted: March 18th, 2026
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Senior Backend Engineer - Python & ML Collaboration

Company IconWorksHub
Location IconLondon

Senior Software Engineer, Machine LearningLocation: 108 E 16th Street, New York, NY 10003OverviewFocus on Python-based backend systems as the primary area of work. Provide support for Machine Learning initiatives and ma...Read More>>.

Posted: March 18th, 2026
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Senior Omics Imaging Software Engineer (Hybrid)

Company IconSociety of Research Software Engineering
Location IconLondon

A leading research centre in Greater London is looking for a Senior Research Software Engineer to develop software tools for merging in-vivo functional data with ex-vivo transcriptomics data. The ideal candidate should possess strong programming skil...Read More>>.

Posted: March 20th, 2026
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AI Developer Advocate

Company IconMistral AI
Location IconLondon

About Mistral AI At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high...Read More>>.

Posted: March 24th, 2026
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End-to-End Full-Stack Engineer

Company IconJack & Jill/External ATS
Location IconLondon

A promising AI startup in the cybersecurity field is seeking a Full Stack Engineer to join as a founding team member. You will be responsible for developing an AI engine to prioritize cybersecurity threats and maintain core features of the product us...Read More>>.

Posted: March 27th, 2026
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Backend Engineer, Cloud Platform - .NET & Azure

Company IconMoneybox
Location IconLondon

OverviewThe Cloud Apps team build and run the cloud-hosted systems that power the Moneybox mobile apps. They follow an agile, continuous delivery model where the development teams are fully responsible for delivering the end-to-end ser...Read More>>.

Posted: March 27th, 2026
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Lead Python Software Engineer – Asset Management Data Platform

Company IconJPMorgan Chase & Co.
Location IconLondon

Join us to shape the future of data and analytics at JPMorgan Chase. You’ll design and deliver technology solutions that directly impact our Asset & Wealth Management business. Collaborate with talented colleagues in an inclusive, agile envir...Read More>>.

Posted: March 31st, 2026
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BI Developer: Power BI & Data Insights

Company IconAnnalect
Location IconLondon

A leading data and analytics consultancy in Greater London is seeking a BI Developer to transform how a global brand utilizes data for marketing decisions. The successful candidate will lead business intelligence efforts, mentor team members, and dri...Read More>>.

Posted: April 1st, 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: April 5th, 2026
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C# Dot Net Software Developer with Fixed Income and FX

Company IconJas Gujral
Location IconLondon

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing wi...Read More>>.

Posted: April 24th, 2026
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Senior Lead Software Engineer - Cloud-Native Java Microservices

Company IconJ.P. MORGAN
Location IconLondon

A global financial services leader seeks a Senior Lead Software Engineer to deliver transformative digital banking solutions. In this role, you will work on cloud-native applications, employing the latest technologies while collaborating with a diver...Read More>>.

Posted: April 11th, 2026
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Senior Java Developer - Fixed Income & FIX Protocol (Hybrid)

Company IconNext Ventures
Location IconLondon

A financial services firm is seeking a Java Developer to work in a hybrid environment in London. The ideal candidate will have over 8 years of experience in Capital Markets and at least 5 years working with Fixed Income products. Proficiency in Java,...Read More>>.

Posted: April 11th, 2026
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Senior Backend Engineer - Distributed Data Platform

Company IconDatabricks
Location IconLondon

A leading data and AI company in London is seeking an experienced Software Engineer to enhance their Lakehouse Platform. The role focuses on building reliable and secure services for data storage and access, requiring 8+ years of experience in Java,...Read More>>.

Posted: April 11th, 2026
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Senior C# Developer – Analytics & Risk Platforms

Company IconMarex Group
Location IconLondon

A global financial services firm in London is seeking a Senior C# Developer for its Analytics Development Team. The role involves developing advanced pricing and risk platforms that support quantitative research and trading. Candidates should have st...Read More>>.

Posted: April 11th, 2026
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C# / .NET Developer – Front Office, FX & Orchestrade Systems

Company IconMARGO
Location IconLondon

OverviewJoin MARGO in the UK (London)MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments whe...Read More>>.

Posted: April 11th, 2026
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Senior C++ Software Engineer - Ultra Low Latency Trading

Company IconSelby Jennings
Location IconLondon

We are partnering with a leading technology‑driven market‑making firm that builds some of the fastest and most sophisticated trading systems in the world. Their engineering culture is deeply centred around modern C++, low‑latency performance...Read More>>.

Posted: April 11th, 2026
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Lead Software Engineering - Python - Front Office Quant Developer

Company IconJ.P. MORGAN
Location IconLondon

OverviewJoin us and make a real impact in a high-energy front office role where your ideas shape the future of trading and investment strategies. You will collaborate with talented developers, quants, and traders, working on exciting p...Read More>>.

Posted: April 11th, 2026
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Senior C# Developer - FX & Orchestrade Expert

Company IconTalan Group
Location IconLondon

A global consulting group is seeking an experienced Senior C# Developer to join their team in Greater London. This role requires deep experience in FX products and the Orchestrade trading platform. The successful candidate will be responsible for des...Read More>>.

Posted: April 11th, 2026
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Backend Engineer - Scala, Kafka & AWS

Company IconWorksHub
Location IconLondon

This is a job posted by our partner JoobleBelow is a snippet of the job description. To read the full text, please click on the "Apply Now" link.Technical SolutionsTechnical solutions aim to solve real-world user problems...Read More>>.

Posted: April 11th, 2026
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Graduate Software Developer – Banking Sector

Company IconJAM IT Consultancy Ltd
Location IconLondon

Graduate Software Developer – Banking SectorUnited Kingdom, LondonFull Time Overview JAM Management is proud to partner with a leading UK bank to recruit ambitious Graduate Software Developers. This is an excep...Read More>>.

Posted: April 11th, 2026
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Graduate Software Developer – Banking Innovation

Company IconJAM IT Consultancy Ltd
Location IconLondon

A leading technology consultancy in London is looking for a Graduate Software Developer to join a prestigious banking institution. In this full-time role, you will design and develop software solutions while working with cross-functional teams. Candi...Read More>>.

Posted: April 11th, 2026
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Lead Backend Engineer: Scale, Microservices & Impact

Company IconZego
Location IconLondon

A leading insurance technology firm is looking for a Lead Backend Engineer to shape the future of their platforms. You will lead teams to design Python microservices, drive architectural discussions, and mentor other engineers. Ideal candidates have...Read More>>.

Posted: April 11th, 2026
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Senior Java Developer (SC Cleared) – Cloud & CI/CD

Company IconAmber Labs
Location IconLondon

A UK technology consultancy is seeking a Senior Java Developer who will focus on delivering business outcomes and owning the entire code lifecycle, from performance to security. The candidate should possess strong skills in Java, AWS, and containeris...Read More>>.

Posted: April 11th, 2026
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Full-Stack Engineer - Scale a Data-Driven Insurance Platform

Company IconKi
Location IconLondon

A leading digital insurance provider in the UK is seeking a Full-stack Engineer to drive software development on their innovative platform generating substantial revenue. You will leverage Kotlin and Python for backend and data services, while creati...Read More>>.

Posted: April 11th, 2026
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Senior Salesforce Developer — Lead Cloud Solutions

Company IconMethods Business and Digital Technology
Location IconLondon

A digital transformation company in Greater London is seeking a Senior Salesforce Developer. In this role, you will lead the design and implementation of Salesforce solutions, ensuring high-quality services that meet business needs. The ideal candida...Read More>>.

Posted: April 11th, 2026
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FX Software Engineer: Build the Next-Gen Trading Platform

Company IconFlexTrade
Location IconLondon

A financial software company in London is seeking a talented software engineer to join their innovative team. This role involves formulating business requirements, coding solutions, and interacting with high-profile clients in the FX industry. The id...Read More>>.

Posted: April 11th, 2026
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Python Developer: Front Office Trading Tech & R&D

Company IconMARGO
Location IconLondon

A tech-native consultancy in London is looking for a Python Developer to join their Front Office R&D and Trading Technology team. The role involves designing and maintaining Python-based core libraries, providing L1/L2 user support, and improving sys...Read More>>.

Posted: April 11th, 2026
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Senior Full-Stack Engineer for AI Inference Platform

Company IconCohere
Location IconLondon

A technology company in the UK is seeking a Senior Software Engineer to improve platform systems and add features to their innovative AI products. The ideal candidate has over 5 years of experience writing clean backend code and has worked with payme...Read More>>.

Posted: April 11th, 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: April 11th, 2026
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Lead Java/Scala Developer - Shape Digital Preservation

Company IconDigital Preservation Coalition
Location IconLondon

A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lea...Read More>>.

Posted: April 11th, 2026
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Front Office Python Dev for ETF Trading Platform

Company IconTalan Group
Location IconLondon

A leading consulting firm in Greater London seeks a Front Office IT Strategist / Python Developer to enhance their ETF Market Making platform. This role demands strong knowledge of Linux and core Python development, with responsibilities including sy...Read More>>.

Posted: April 11th, 2026
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Rust/C++ Backend Engineer for Scalable, Reliable Systems

Company Iconx.ai
Location IconLondon

A cutting-edge AI company in the UK seeks a Backend Engineer with expertise in Rust or C++. The role involves working on production systems to ensure reliability and scalability. Candidates should have strong knowledge of distributed systems and serv...Read More>>.

Posted: April 11th, 2026
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Backend Engineer - Own Production APIs & Systems

Company IconWide and Wise
Location IconLondon

A leading technology firm in the UK is seeking an experienced Backend Engineer to design and develop APIs and backend services. You will manage infrastructure involving cloud platforms and ensure production-level software delivery. The ideal candidat...Read More>>.

Posted: April 11th, 2026
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Senior Guidewire Developer - ACE-Certified Claims Center Expert

Company IconNatobotics
Location IconLondon

A technology consulting firm is seeking a Senior Software Engineer with over 12 years of Guidewire ClaimCenter experience. The ideal candidate will possess a Guidewire Ace certification and have strong expertise in claims across various modules. Resp...Read More>>.

Posted: April 11th, 2026
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FX Risk Java Developer (VP)

Company IconCitibank (Switzerland) AG
Location IconLondon

For additional information, please review .**FX Risk Java Developer - VP**Citi’s Markets technology team is growing at lightning speed, and we’re looking for talented technologists to help build the future of global banking. Our teams are creatin...Read More>>.

Posted: April 11th, 2026
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Senior Node.js Developer - Remote, UK Gov Tech

Company IconAmber Labs
Location IconLondon

A leading technology consultancy in the UK seeks a Senior Software Developer proficient in Node.js to design, develop, and deploy secure applications. The role involves REST API development, working with event-driven architectures, and collaborating...Read More>>.

Posted: April 11th, 2026
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Python Backend Engineer — REST APIs & PostgreSQL

Company IconE-Solutions
Location IconLondon

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>>.

Posted: April 11th, 2026
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Senior/Principal Java Developer - Low Latency - Financial Services

Company IconGrid Dynamics
Location IconLondon

Senior/Principal Java Developer - Low Latency - Financial Services 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are looking for low-latency Java Developers t...Read More>>.

Posted: April 11th, 2026
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Principal Software Engineer

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

£80,000 - £100,000 + bonus and sharesThe OpportunityWe are VERY excited about this opportunity. We’ve been working with this client for years and every candidate we have ever placed with them have loved it there. Contractors...Read More>>.

Posted: April 11th, 2026
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Senior Fullstack Engineer - Vendor Risk Platform (Remote)

Company IconVanta
Location IconLondon

A leading technology company in Greater London is seeking a Senior Software Engineer to lead complex projects and contribute to the engineering culture. The ideal candidate will have over 7 years of full-stack experience with a focus on backend syste...Read More>>.

Posted: April 14th, 2026
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Senior Fullstack Engineer, Vendor Risk Management - UK

Company IconVanta
Location IconLondon

What you'll do as a Senior Software Engineer at Vanta: Lead complex, ambiguous projects end-to-end, partnering with multiple stakeholders and engineers to accelerate our roadmap and deliver meaningful impact Operate with...Read More>>.

Posted: April 14th, 2026
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AI Developer Advocate & Training Leader

Company IconMillennium
Location IconLondon

A leading hedge fund in the United Kingdom is seeking an engaging AI Developer Advocate to lead AI education initiatives. The candidate will develop and deliver training programs for diverse audiences, ensuring teams remain informed on AI tools and p...Read More>>.

Posted: April 16th, 2026
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Senior Full-Stack Engineer for Live-Event Platform

Company IconatVenu, Inc.
Location IconLondon

A technology company is seeking a Senior Full-Stack Software Developer to lead the development of high-impact features in the live-event space. This role requires over 5 years of full-stack experience, a solid foundation in React, and the ability to...Read More>>.

Posted: April 16th, 2026
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