Senior Python Engineer: Lead, Mentor & Build Secure Cloud

Company IconCGI
Location IconLeatherhead

CGI is looking for an experienced Python Software Engineer to join their team in Leatherhead, United Kingdom. You will work on innovative technical solutions and lead software development teams, ensuring quality through unit and integration testing....Read More>>.

Posted: May 4th, 2026
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RF Software Engineer: Real-Time Python for Lab

Company IconTechnify Talent
Location Icon

Technify Talent is seeking a talented Software Engineer to join an innovative engineering team in the UK. This role focuses on developing high-performance software for advanced radio frequency measurement and optimization on cutting-edge hardware. Th...Read More>>.

Posted: May 4th, 2026
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Senior Backend Engineer - Build Scalable Green Tech

Company IconOctopus Energy
Location IconLondon

Octopus Energy based in London is looking for a backend developer with 5+ years of experience in web application development, particularly with Python and Django. The role involves designing systems in cloud environments and collaborating across team...Read More>>.

Posted: May 4th, 2026
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Senior Java Lead & VP, Engineering

Company IconCitigroup Inc.
Location IconLondon

Citigroup Inc. in Greater London is seeking a developer to work in their FX Technology group. The role involves managing Applications Development teams, coordinating with stakeholders, and building software to address complex front office problems. I...Read More>>.

Posted: May 4th, 2026
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Senior Ads Analytics Engineer - API, Spark & Airflow

Company IconRoku
Location IconSalford

Roku is seeking a highly skilled Senior Software Engineer in Salford, United Kingdom. In this hybrid role, you will design backend services and develop big data pipelines using technologies like Spring Boot, Apache Spark, and Apache Airflow. The idea...Read More>>.

Posted: June 1st, 2026
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Senior Backend/Fullstack Engineer — Impact, Equity & Hybrid

Company IconPersonio
Location IconLondon

Personio is hiring a Senior Software Engineer in London, offering a hybrid working model with the flexibility to work 2 days in-office. You will design and scale backend or fullstack systems for thousands of users, collaborating with cross-functional...Read More>>.

Posted: June 1st, 2026
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Senior Java Engineer - Low-Latency FICC eTrading

Company IconBank of America
Location IconBromley

Bank of America is seeking a Senior Developer in Bromley, UK, to join the FICC Macro Rates Electronic Trading Technology team. The role involves developing and enhancing low-latency components for the global Rates eTrading platform. Candidates should...Read More>>.

Posted: June 1st, 2026
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Lead Software Data Engineer in London - LinuxRecruit

Company IconJava Script Works
Location IconLondon

```htmlIntegration of Fragments...these fragments share overlapping content related to the required experience in languages and frameworks including JavaScript, React, TypeScript, Python, and GoLang. This overlap allows us to piece them...Read More>>.

Posted: June 1st, 2026
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Java (Kotlin) Developer (Agile, Test-Driven) AVP

Company IconCiti
Location IconLondon

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 crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: June 1st, 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: June 1st, 2026
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Senior Scala Engineer - Post-Trade Cloud Microservices

Company IconLSEG
Location IconLondon

LSEG is seeking a Senior Lead Scala Engineer in Greater London. This key role involves engineering and delivering market-infrastructure services within the Equities platform with a strong focus on AWS cloud-native development. The candidate will desi...Read More>>.

Posted: June 1st, 2026
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AI-Driven Backend Engineer (Hybrid, Leeds)

Company IconFruition Group
Location IconLeeds

Fruition Group is hiring a Software Engineer (AI Focus) in Leeds with a hybrid working model. This full-time permanent role involves designing and maintaining scalable backend systems, contributing to an AI platform, and collaborating across teams. I...Read More>>.

Posted: June 1st, 2026
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Senior Rust Backend Engineer — Remote + Equity

Company IconDirectus
Location IconWirral

We're hiring a Senior Software Engineer (Rust) to build and evolve the core Directus/Monospace product – a modular, self-hosted data platform. This role is primarily product engineering: shipping features, improving the developer experience,...Read More>>.

Posted: June 1st, 2026
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Real-Time Risk & P&L Tech Lead Python & Cloud

Company IconJPMorganChase
Location IconLondon

JPMorganChase in Greater London seeks a Senior Lead Software Engineer to innovate in Global Credit Trading Technology. You will architect real-time risk and P&L systems, collaborating with traders and analysts to enhance trading platforms while en...Read More>>.

Posted: June 1st, 2026
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Senior Python Engineer, ML

Company IconLawhive
Location IconLondon

About LawhiveOur mission is to make the law accessible to everyone. The legal industry is built on technology and processes that haven’t been updated in hundreds of years - that’s why we’ve reinvented the entire model from the gr...Read More>>.

Posted: June 1st, 2026
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Senior Software Engineer, Backend - GTPN Platform (Relocate to Singapore)

Company IconAirwallex
Location IconLondon

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide—including...Read More>>.

Posted: June 1st, 2026
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Senior/Principal Java Engineer - Low Latency

Company IconGrid Dynamics
Location IconLondon

We're looking for Senior and Principal Java Developers with a strong background in low‑latency systems to join us on a high‑performance trading and real‑time data project, for a major financial institution.You’ll be joining an en...Read More>>.

Posted: June 1st, 2026
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Hybrid Integration Engineer – API & Finance Data

Company IconATALIAN SERVEST
Location IconLondon

About The Company:OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, clea...Read More>>.

Posted: June 1st, 2026
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Graduate Software Engineer (C#/Java) — On-site

Company IconOliver Bernard
Location IconNewcastle upon Tyne

Graduate Software Developer - C#, SQL, AWS Minimum of a 1st from a Russel Group University 3-A's + or equivalent at A-Level Depending on skills, pays up to £35k + sizeable bonus 5-days a week on-site in Newcastle...Read More>>.

Posted: June 1st, 2026
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Fintech Graduate Software Engineer (Backend) - Submissions - 2026

Company IconSuade
Location IconLondon

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software...Read More>>.

Posted: June 1st, 2026
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D365 Performance Engineer — Azure & Power Platform

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Dynamics D365 Performance Engineer to focus on managing performance in D365 implementations. This contract position is based in London, United Kingdom, and requires expertise in D365 CE / CRM, Power Platform, and Azu...Read More>>.

Posted: June 1st, 2026
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Lead Infrastructure Engineer in London - LinuxRecruit

Company IconJava Script Works
Location IconLondon

This is a job posted by our partner JoobleJob DescriptionThe ideal candidate should have in-depth knowledge of AWS and Azure, with a strong proficiency in one being essential. Additionally, experience with Terraform or other IAC...Read More>>.

Posted: June 1st, 2026
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Senior Full Stack Engineer in Ireland - Blockdaemon

Company IconJava Script Works
Location IconScotland

Join Our Technical TeamIn this role, you'll join forces with a seasoned technical team of senior engineers, all dedicated to bridging the world with blockchain technology. Together, you'll create state-of-the-art applications and high-pe...Read More>>.

Posted: June 1st, 2026
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Golang Cloud-Native Dev: Kubernetes, Microservices & GenAI

Company IconGrid Dynamics
Location IconLondon

Grid Dynamics in Greater London seeks a skilled software engineer with strong Golang and Kubernetes experience to support a global transformation in Investment Banking. You will engage in both greenfield and brownfield projects, focusing on cloud mig...Read More>>.

Posted: June 1st, 2026
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Senior Backend Engineer – Trading Systems & Cloud

Company IconTP ICAP Group
Location IconLondon

TP ICAP Group is looking for a Senior Back-End Engineer in Greater London. In this role, you will design and maintain high-performance, data-intensive applications and APIs, ensuring system reliability while collaborating with architects and stakehol...Read More>>.

Posted: June 1st, 2026
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Senior Software Engineer, Backend Engineering London, United Kingdom

Company IconRippling
Location IconLondon

Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can mana...Read More>>.

Posted: June 1st, 2026
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Senior Fullstack Engineer Build Scalable Microservices

Company IconLegal & General
Location IconLondon

Job Description We are seeking a Senior Software Engineer to join a high‑performing engineering team delivering robust, scalable, and high‑quality software solutions. In this role, you will apply your technical expertise and strate...Read More>>.

Posted: June 1st, 2026
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Senior Backend Engineer — Remote, Equity & Growth

Company IconPigment
Location IconLondon

An AI‑powered business planning platform in Greater London is seeking skilled software engineers to develop and maintain their SaaS platform. Candidates should have strong software engineering skills, proven experience with object-oriented language...Read More>>.

Posted: June 1st, 2026
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Lead Software Engineer - Java & AI

Company IconJPMorganChase
Location IconGlasgow

Join the Graphite team and help deliver a best-in-class payments processing platform that powers the firm's global expansion. You will work on mission-critical systems, leveraging your passion for technology and AI to create high-performing, lo...Read More>>.

Posted: June 1st, 2026
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Senior Java Engineer - FiTP (Hybrid Belfast)

Company IconCitibank (Switzerland) AG
Location IconBelfast

Citibank (Switzerland) AG in Belfast is looking for a Java Developer (AVP) to engineer solutions for global finance. This role involves working within the Global Fixed Income Trade Processing Team, focusing on designing and developing complex dist...Read More>>.

Posted: June 1st, 2026
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Software Engineer III - Full-Stack Web Apps

Company IconJava Script Works
Location IconManchester

Java Script Works is seeking an Engineer III for Software Development in Manchester, United Kingdom. This full-time role requires strong experience with .NET Core, ASP.NET, and proficiency in front-end technologies such as HTML5, CSS3, and JavaScript...Read More>>.

Posted: June 1st, 2026
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Delta Lake Migration Lead (C++/Python) – Hybrid

Company IconBMLL Technologies Limited
Location IconLondon

BMLL Technologies Limited in Greater London is seeking an experienced Technical Lead to manage the migration to Delta Lake. This role combines hands-on development, primarily in C++ and Python, with team leadership in Agile sprints. You will guide a...Read More>>.

Posted: June 1st, 2026
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Senior API Test Engineer – Game Studio (Hybrid)

Company Iconhackajob
Location IconSunderland

hackajob is collaborating with tombola for a Senior Test Engineer position in Sunderland. This hybrid role allows flexibility with 3 days on-site and 2 days remote, focusing on ensuring API reliability in a regulated environment.The ideal c...Read More>>.

Posted: June 1st, 2026
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Senior Java Engineer - Vehicle Telematics with AWS

Company IconRadius
Location IconCrewe

Radius is looking for a Senior Java Developer to join their Vehicle Telematics team in Crewe. This role includes interpreting business requirements, developing solutions, and mentoring junior developers. Candidates should have 4+ years of core Java e...Read More>>.

Posted: June 1st, 2026
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Lead Software Engineer - Secure Cloud Backend (Clearance)

Company IconSanderson Government and Defence
Location IconCheltenham

Sanderson Government and Defence is looking for a Lead Software Engineer based in Cheltenham, Gloucestershire. This full-time position offers a salary of £100,000 and requires enhanced security clearance. The successful candidate will help build...Read More>>.

Posted: June 1st, 2026
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Senior Backend Engineer, Gaming - Global, Low Latency

Company IconTencent
Location IconLondon

Tencent is hiring an experienced backend developer for their gaming division in Greater London. The ideal candidate has over 8 years of backend development experience, including at least 5 years in the gaming industry. Responsibilities include provid...Read More>>.

Posted: June 1st, 2026
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Lead Python Software Engineer — Hybrid + Equity

Company IconCircuit Mind Limited
Location IconLondon

Circuit Mind Limited is seeking a Lead Software Engineer to develop elegant solutions for complex problems in hardware design. You'll collaborate closely with a skilled team of engineers, designing and deploying software that enhances circuit board d...Read More>>.

Posted: June 1st, 2026
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Lead Software Engineer: Identity & Auth, Microservices

Company IconLloyds Banking Group
Location IconLondon

End Date Monday 16 March 2026 Salary Range £90,440 - £164,920 We support flexible working – click here for more information on flexible working options Flexible Working Options...Read More>>.

Posted: June 1st, 2026
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Hybrid Data Scientist - Python, ML for Business Insights

Company IconOscar
Location IconNottingham

Oscar is looking for a mid-level Data Scientist to join their team in Nottingham. The ideal candidate will have at least 3 years of experience in data science, with strong proficiency in Python and a solid understanding of machine learning. The role...Read More>>.

Posted: June 1st, 2026
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Lead Software Engineer - Java - Post Trade Technology

Company IconJPMorganChase
Location IconLondon

Job Overview Join us to shape the future of financial technology and make a meaningful impact on your career. You'll collaborate with talented professionals, solve complex challenges, and help build trusted market‑leading products. W...Read More>>.

Posted: June 1st, 2026
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Senior Java Engineer - Hybrid Global Finance Tech

Company IconCitigroup Inc.
Location IconBelfast

Citigroup Inc. in Belfast is seeking a Software Engineer (Java) to join the Global Fixed Income Trade Processing Team. You will engineer innovative solutions within a team, contributing to the future of global finance.The ideal candidate wi...Read More>>.

Posted: June 1st, 2026
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Fintech Graduate Software Engineer (Backend) - Regtech - 2026

Company IconSuade
Location IconLondon

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software...Read More>>.

Posted: June 1st, 2026
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Senior Python Systems Developer - Hybrid, Growth & Impact

Company IconTrades Workforce Solutions
Location IconBury St Edmunds

A leading UK infrastructure and utilities organisation is seeking a Senior Systems Developer to join their technology team in Bury St Edmunds. The ideal candidate will design and support full-stack applications, ensuring robust solutions that align w...Read More>>.

Posted: June 1st, 2026
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Senior Lead Software Engineer - Python, Data, Cloud, AIML

Company IconJPMorganChase
Location IconGlasgow

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets R...Read More>>.

Posted: June 1st, 2026
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Senior Lead Engineer – Databricks, Python & AWS

Company IconJPMorganChase
Location IconGlasgow

JPMorganChase is seeking a Senior Lead Software Engineer in Glasgow, UK. In this role, you will lead the development of scalable solutions using Python, Java, and AWS. Your responsibilities include building microservices, developing data pipelines, a...Read More>>.

Posted: June 1st, 2026
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Software Development Team Lead in Bracknell - Spectrum It Recruitment Limited

Company IconJava Script Works
Location IconBracknell

Preferred Experience If you have experience with any of the following, it will be advantageous: Latest versions of .NET AI and Machine Learning JavaScript, TypeScript, and associated frameworks C...Read More>>.

Posted: June 1st, 2026
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Data Scientist in Cambridge - Flagship Pioneering, Inc.

Company IconJava Script Works
Location IconCambridge

Data Scientist Cambridge, United Kingdom Posted 9 months ago Full time Competitive compensation Tech Stack statistical modeling Python NumPy SQL pandas...Read More>>.

Posted: June 1st, 2026
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Azure Software Engineer (C#/Java) – Hybrid London

Company IconJas Gujral
Location IconLondon

A technology consultancy firm is seeking a Software Engineer highly proficient in C# or Java and Azure. The role requires a bachelor's degree and 4-6 years of experience in software development, particularly in Azure integration and API management. T...Read More>>.

Posted: June 1st, 2026
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Mobile Product Engineer in London - Sebratec

Company IconJava Script Works
Location IconLondon

Mobile Product Engineer Location: London, United Kingdom Posted 11 months ago Tech Stack Mobile UI TypeScript React React Native Product Responsibilities...Read More>>.

Posted: June 1st, 2026
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Senior .NET Team Lead for Enterprise Web & API Solutions

Company IconDevitechs
Location IconBirmingham

Lead a team of .NET developers building scalable enterprise applications for finance, retail, and healthcare sectors.ResponsibilitiesLead design, development, and deployment of .NET-based web applicationsMentor dev...Read More>>.

Posted: June 1st, 2026
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