Java (Kotlin) Developer (Agile, Test-Driven)

Company IconCitibank (Switzerland) AG
Location IconLondon

For additional information, please review .**Java (Kotlin) Developer (Agile, Test-Driven) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion c...Read More>>.

Posted: May 7th, 2026
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Hardware-Oriented Software Engineer (Python/C) for AI Systems

Company IconStars Arena
Location IconLondon

Stars Arena is seeking a Software Engineer in London, United Kingdom. The role focuses on software development using Python and C, integrating with hardware prototypes, and collaborating closely with the hardware design team. Ideal candidates should...Read More>>.

Posted: May 20th, 2026
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Full-Stack Engineer for Rapid Feature Delivery

Company IconJava Script Works
Location IconLondon

Feature Delivery Team As a member of this 4-5 strong team, you will leverage your expertise in TypeScript, Express, Node.js, Next.js, SQL, and React to build and enhance our platform. You should be comfortable assisting customers occasio...Read More>>.

Posted: May 20th, 2026
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AI-Driven Full Stack Engineer – Hybrid + Equity

Company IconNewsNowGh
Location IconLondon

NewsNowGh is seeking a Full Stack Engineer to build cutting-edge AI-driven digital products. The role involves developing user-facing features, implementing scalable design systems, and collaborating with cross-functional teams. Ideal candidates shou...Read More>>.

Posted: May 20th, 2026
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Senior Backend Engineer, Global Payments Platform

Company IconGoTo Meeting
Location IconLondon

Verifone is seeking a Senior Developer based in London for their Global Payment Gateway System. The role focuses on designing and developing high-performance backend services using Java and Spring Boot, ensuring scalability and security in a regulate...Read More>>.

Posted: May 20th, 2026
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Python Developer for Azure Databricks - Global Team

Company IconStars Arena
Location IconLondon

Stars Arena is looking for a Python Developer based in London to maintain and enhance their Python-based reporting system. The role involves ensuring stability and accuracy in regulatory reporting, monitoring system performance, and collaborating wit...Read More>>.

Posted: May 20th, 2026
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Software Engineer – AI-Powered UK Healthcare

Company Iconblack.ai
Location IconLondon

black.ai is looking for Software Engineers in London to develop systems that integrate AI into clinical workflows, addressing the complexities of the UK healthcare system.The role involves building end-to-end solutions that enhance clinicia...Read More>>.

Posted: May 20th, 2026
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Lead Software Engineer: Equities Algo Trading (Java)

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is looking for a Senior Lead eSoftware Engineer specializing in Equities Algo Trading and Java. This full-time role is based in London, UK. The ideal candidate will have advanced proficiency in Java, with extensive experience in...Read More>>.

Posted: May 20th, 2026
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Remote Java Developer | SC Cleared | Microservices

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Java Developer with Active SC Clearance for a business-critical programme. The role offers up to £550 per day, working from London with occasional remote options.Key responsibilities include utilizing Test-dr...Read More>>.

Posted: May 20th, 2026
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Staff Backend Engineer, Procurement Platform (Relocation to Melbourne)

Company IconAirwallex
Location IconLondon

Airwallex is looking for a Staff Backend Engineer for their Procurement Suite based in London, UK. This full-time position requires a strong background in the financial domain and extensive experience with JVM based programming languages such as Java...Read More>>.

Posted: May 20th, 2026
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Senior Software Engineer Python GCP FastAPI

Company IconClient Server
Location IconLondon

Senior Software Engineer Python GCP FastAPI (PR/100744) London, England Salary: GBP90000 - GBP110000 per annum + benefits Senior Software Engineer / Developer (Python GCP FastAPI) London / WFH to £100k Opportunity for a...Read More>>.

Posted: May 21st, 2026
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Senior Software Engineer - Core Video & Data (Remote)

Company IconHudl
Location IconLondon

Hudl is looking for a Senior Software Engineer to join the Core Data team in London. This role involves designing APIs and large-scale data pipelines to support various Hudl products. The ideal candidate will have extensive experience in full-stac...Read More>>.

Posted: May 21st, 2026
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Senior Software Engineer – AI

Company IconDurlston Partners LLP
Location IconLondon

Senior Software Engineer – AI Start-up – London – In-Office – Up to £200k Base + Equity We’re supporting a category-leading AI organisation building next-generation conversational agents used by major global brands. Their pl...Read More>>.

Posted: May 21st, 2026
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Senior Full-Stack Engineer, Web Platform (Hybrid)

Company IconIntercom
Location IconLondon

Intercom is seeking a Senior Full Stack Engineer to join Team Web, focusing on crafting intuitive front-end experiences and building robust backend systems. This role involves collaborating with cross-functional teams to enhance website performanc...Read More>>.

Posted: May 21st, 2026
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Senior Full-Stack Engineer - Flexible & Impactful Projects

Company IconSolirius Reply
Location IconLondon

Solirius Reply is seeking a Full Stack Engineer to join its Software Engineering Practice in Greater London. In this exciting role, you will work across all stages of development, from requirement gathering to deployment, ensuring high-quality sol...Read More>>.

Posted: May 21st, 2026
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Lead Full-Stack Engineer – Hybrid (Public Sector)

Company IconInformed Solutions
Location IconLondon

Informed Solutions is seeking a Lead Full Stack Software Engineer to take charge of technical ownership of complex digital solutions. This role involves collaborating across teams to shape enterprise-scale solutions while mentoring colleagues. The...Read More>>.

Posted: May 21st, 2026
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Senior Full-Stack Engineer: Shape Platform & Lead with Impact

Company IconZinc
Location IconLondon

Zinc, based in London, is seeking a Senior Product Engineer to enhance our engineering team. You will be pivotal in shaping our platform's technical direction, building high-quality features, and ensuring our product serves thousands of customers...Read More>>.

Posted: May 21st, 2026
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SQL Database Developer – Data Platform Optimiser (Hybrid UK)

Company IconNoir Consulting
Location IconLondon

Noir Consulting is seeking a SQL Database Developer to join a high-performance software company in London. The role involves optimising SQL Server and PostgreSQL platforms and collaborating with C# developers.Candidates should possess stron...Read More>>.

Posted: May 21st, 2026
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Développeur(se) de données Sénior / Senior Data Developer

Company IconUnity
Location IconLondon

L’opportunité Développeur(se) de données Sénior appelé(e) à diriger la conception et la mise en œuvre de notre plateforme de données essentielle aux activités de l’entreprise. Occuper un rôle avec une grande autono...Read More>>.

Posted: May 21st, 2026
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Staff Full-Stack Software Engineer, (Forward Deployed), GPS

Company IconScale AI
Location IconLondon

Scale's rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact m...Read More>>.

Posted: May 21st, 2026
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Hybrid Backend Engineer, Rust — Global Fintech Clearing

Company IconNeara
Location IconLondon

Neara is seeking an experienced Backend Engineer to work on building foundational infrastructure in a hybrid work environment. The ideal candidate will have a strong background in distributed systems, particularly with Rust, and possess skills in...Read More>>.

Posted: May 21st, 2026
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Trading Developer - High-Performance Tools (Hybrid)

Company IconSmartestEnergy Business Limited
Location IconLondon

SmartestEnergy Business Limited is seeking skilled Trading Developers to design high-performance trading tools and automated processes. You will play a key role in building scalable solutions supporting trading activities and complex analytical wo...Read More>>.

Posted: May 21st, 2026
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Senior Backend Engineer Golang - Security

Company IconPcr Digital
Location IconLondon

Senior Software Engineer - Golang Information Security (Apply online only) per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 years Job Summary...Read More>>.

Posted: May 21st, 2026
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Senior Mule/ESB Developer — Stock Options & Bonuses

Company IconObjectLab Ltd
Location IconLondon

ObjectLab Ltd in London is seeking an Experienced ESB/Mule Developer to enhance our development team. The successful candidate will work on our global portfolio financing product, playing a crucial role in the team.Applicants should have st...Read More>>.

Posted: May 21st, 2026
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Full-Stack Engineer — Shape an ultra-growth startup

Company IconCornerstone VC
Location IconLondon

Cornerstone VC in Greater London is seeking a full stack engineer to help shape the future of private equity. You will work with the founding team to design the application architecture and ship impactful features.The ideal candidate has ex...Read More>>.

Posted: May 21st, 2026
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Mission-Critical Full-Stack Engineer for National Security

Company IconForwardrole
Location IconLondon

Forwardrole is seeking a Full Stack Software Engineer to join their growing team in London focused on delivering mission-critical technology solutions for the National Security sector.The role involves designing, building, and improving sec...Read More>>.

Posted: May 21st, 2026
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Lead C++ Software Engineer - Low-Latency Trading

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking a Lead eSoftware Engineer to join their Electronic Trading Technology group. This role involves enhancing and building market-leading products while collaborating with agile teams. Responsibilities include executing...Read More>>.

Posted: May 21st, 2026
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Front Office Python Developer: FX & Rates Trading

Company IconPontoon
Location IconLondon

Pontoon is looking for an experienced Front Office Python Developer for a 12-month contract in London, working closely with a high-performing FX & Rates trading desk. You will develop and enhance pricing and risk systems while collaborating directly...Read More>>.

Posted: May 21st, 2026
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Remote iOS Developer (Swift/Obj-C) 12mo Contract

Company IconExperis
Location IconLondon

Experis is hiring a talented iOS Developer for a remote position, requiring occasional travel to London. You will develop and maintain innovative iOS applications using Swift and/or Objective-C, collaborate with cross-functional teams, and ensure opt...Read More>>.

Posted: May 21st, 2026
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Front Office Python Developer (Rates/FX Trading)

Company IconPontoon
Location IconLondon

Job Title: Front Office Python Developer (FX/Rates Trading)Contract: 12 MonthsLocation: London (3 days a week onsite)Rate: Highly competitive daily rateStatus: inside IR35 About the Role We are seeking an exp...Read More>>.

Posted: May 21st, 2026
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Trading Developer x 2

Company IconSmartestEnergy Business Limited
Location IconLondon

We are seeking skilled Trading Developers to design and deliver high-performance trading tools and automated processes that enable profitable trading across multiple markets and commodities. You will play a key role in building robust, scalable...Read More>>.

Posted: May 21st, 2026
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AI-Driven Software Engineer (Remote) - Build the Creator Economy

Company IconFanvue LLC
Location IconLondon

Fanvue LLC is hiring a Software Engineer in Greater London to work on AI-native products. You will deliver features across our TypeScript/Node.js stack and build AI-powered features like chat and content generation.Ideal candidates are high...Read More>>.

Posted: May 21st, 2026
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Senior Salesforce Dev: Service & Experience Cloud | Hybrid

Company IconNexere Consulting Limited
Location IconLondon

A leading consulting firm is seeking a Senior Salesforce Developer to join their team in London Bridge. This hybrid role involves hands-on development and platform optimization for Service Cloud and Marketing Cloud. The candidate should have extensiv...Read More>>.

Posted: May 21st, 2026
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Senior Backend Engineer — TypeScript & Python

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for a Senior Software Engineer (Backend) based in London, UK. The role focuses on managing the backend with technologies like TypeScript, Express, and Python while working with Neo4j for database management. A competit...Read More>>.

Posted: May 21st, 2026
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Product Engineer, AI Developer Tools

Company IconCosine
Location IconLondon

Cosine is seeking a Product Engineer in London to work in our Hoxton office five days a week. You will collaborate across research, engineering, product, and design to transform AI capabilities into reliable developer tools.This role focuse...Read More>>.

Posted: May 21st, 2026
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Senior Software Engineer-Billing Systems (VAT & Invoicing)

Company IconPerk
Location IconLondon

Perk, located in Greater London, is looking for a Software Engineer for their Billing Team. You will oversee the entire lifecycle of features from understanding customer pain points to deployment. The role emphasizes ownership and collaboration wi...Read More>>.

Posted: May 22nd, 2026
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Senior Fullstack Engineer (Typescript) – LegalTech

Company IconConficio Recruitment Limited
Location IconLondon

Our partner is transforming the legal industry by making high-quality legal support accessible to everyone. Through a combination of regulated human lawyers and proprietary AI, they’re reimagining how legal services are delivered—faster, ch...Read More>>.

Posted: May 22nd, 2026
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Senior Endur Developer for Trading & Risk

Company IconInfosys Consulting
Location IconLondon

Infosys Consulting in Greater London is seeking an experienced developer specializing in Endur to drive software solutions for the energy sector. You will join a dynamic team dedicated to delivering value through innovative trading and risk manage...Read More>>.

Posted: May 22nd, 2026
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Senior Python Backend Engineer – Climate Tech (FastAPI)

Company IconVictrays
Location IconLondon

Victrays is seeking a highly motivated Backend Python Engineer to scale our product and infrastructure. This role involves designing robust backend services and collaborating with engineers to deliver quality customer experiences.The ideal...Read More>>.

Posted: May 22nd, 2026
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Senior Backend Engineer: Scalable Distributed Systems (Hybrid)

Company Icon9fin
Location IconLondon

9fin is looking for a Senior Engineer II to take broad technical ownership of backend systems powering its platform. The ideal candidate will lead engineering initiatives, manage system design, and improve processes to facilitate scaling.Re...Read More>>.

Posted: May 22nd, 2026
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Solutions Engineer, Charles River Development, Assistant Vice President

Company IconCharles River Development
Location IconLondon

Job Summary The Solutions Engineer provides pre‑sales support to the sales, account management, customer success, and product teams. The role requires the ability to speak with equal credibility on both technical aspects of the produ...Read More>>.

Posted: May 22nd, 2026
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Senior Lead React UI Engineer - Equities Risk Platform

Company IconTwinThread
Location IconLondon

TwinThread is seeking a Senior Lead Software Engineer in Greater London to drive development in Equities Derivatives and Risk Technology. Your role will be pivotal, focusing on building trader-facing Risk Management UIs with React while mentoring...Read More>>.

Posted: May 22nd, 2026
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Hybrid AI‑First Full Stack Engineer

Company IconLimelight Health
Location IconLondon

Limelight Health is looking for a Full Stack Engineer to join their team in London. This is a hybrid role where you will work 2 days a week from the office.You will be responsible for building and scaling high-quality mobile applications, c...Read More>>.

Posted: May 22nd, 2026
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AI Architect & Developer

Company IconQueen Square Recruitment
Location IconLondon

AI Architect & Developer Contract Length 6 months (potential for extension) What you'll do Build and ship end-to-end AI/ML features, from data ingestion and training to deployment, MLOps workflows, CI/CD,...Read More>>.

Posted: May 22nd, 2026
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FinTech C++/Python Senior Software Engineer - Low Latency

Company IconN P Associates
Location IconLondon

N P Associates is looking for a Senior Software Engineer / Principal Software Engineer with over 8 years experience in C++ and a strong background in Python, especially in the Financial and Banking sectors. The role involves developing high-performan...Read More>>.

Posted: May 22nd, 2026
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Backend Engineer, Payments Platform (Hybrid)

Company IconLloyds Bank plc
Location IconLondon

Lloyds Bank plc is seeking a Backend Software Engineer to join their Payments Digital Services team in London. This role is essential for shaping the future of payments by developing modern platforms that support innovative financial products....Read More>>.

Posted: May 22nd, 2026
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Senior React Engineer for Real-Time, High-Performance UI

Company IconHCLTech
Location IconLondon

HCLTech is looking for a skilled UI Developer specializing in React and TypeScript to design and develop performance-oriented applications. You will work on significant projects, ensuring the delivery of high-availability systems.The ideal...Read More>>.

Posted: May 22nd, 2026
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Remote Oracle APEX Developer – Production Apps & Security

Company Iconyolk recruitment
Location IconLondon

Yolk Recruitment is seeking an Oracle Apex Developer (Mid-Weight) to join the Army Cadets Charitable Trust. This fully remote role offers a salary of up to £55,420. Successful candidates will have experience in delivering production-grade applica...Read More>>.

Posted: May 22nd, 2026
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Staff Software Engineer, Site Reliability Engineering, Agentic Security

Company IconGoogle Inc.
Location IconLondon

Staff Software Engineer, Site Reliability Engineering, Agentic Securitycorporate_fare Google place London, UKApplyBachelor’s degree in Computer Science, a related field, or equivalent practical experience....Read More>>.

Posted: May 22nd, 2026
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