9,130+ Backend Java Developer Python Jobs in London, UK — Local Employers Hiring July 2026

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Senior Software Engineer (Inbox Desktop)

Join Proton and build a better internet where privacy is the defaultAt Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-sou ...

Salesforce Technical Architect

Job Title: Salesforce Technical Architect Division: Data, Technology and InnovationDepartment: Digital SystemsSalary: National (Edinburgh and Leeds) ranging from £60,700 to £ £85,000 and London from £66,600 to £95,000 per annum (salary offered will be based ...

Salesforce Technical Lead

JOB DESCRIPTION The team you'll be working with: As part of our continuous growth, we are seeking an experienced and hands-on Salesforce Technical Lead to join our UKI Salesforce practice in London, focusing on clients in the Public Sector Domain. Salesforce Technical Lead, deliver ...

System Software Engineer GCC/LLVM compiler, tooling, and ecosystem

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the worl ...

Engineering Manager (Remote UK)

Compensation Range:Compensation Disclaimer:The salary range listed reflects the base pay for this role at Altus Group and is provided where required by local regulations. Actual offers may differ based on experience, market conditions, and other relevant factors. The range does not i ...

Cloud Engineering & Architecture Senior Platform Engineer AI Vice President

What We Do At Goldman Sachs, our Engineers don’t just make things – we make things possible. Change the world by connecting people and capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join our engineering teams that build massively scalable softwa ...

Engineering Manager (Remote UK)

Compensation Range:Compensation Disclaimer:The salary range listed reflects the base pay for this role at Altus Group and is provided where required by local regulations. Actual offers may differ based on experience, market conditions, and other relevant factors. The range does not i ...

Cloud Engineering & Architecture Senior Platform Engineer AI Vice President

What We Do At Goldman Sachs, our Engineers don’t just make things – we make things possible. Change the world by connecting people and capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join our engineering teams that build massively scalable softwa ...

System Software Engineer GCC/LLVM compiler, tooling, and ecosystem

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the worl ...

Business Development Associate

Company Description Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. <br ...

Salesforce Technical Architect

Job Title: Salesforce Technical Architect Division: Data, Technology and InnovationDepartment: Digital SystemsSalary: National (Edinburgh and Leeds) ranging from £60,700 to £ £85,000 and London from £66,600 to £95,000 per annum (salary offered will be based ...

iOS Mobile Software Engineer II

**Join us at Entrust ** At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. <b ...

Graduate Software Engineer

Whether it's through thought-provoking live talks, conversation-sparking virtual events or sell-out club nights across the UK, all of our events have one simple aim…To help students live their best uni life!£35,000 🪙 IC1 📋 Engineering 🏬 Mae Anderson 🧑‍🔬Locati ...

Lead ML Engineer

Role: Lead ML EngineerTeam / Department: Data Science Team within Marketing Sciences DepartmentRoleWe are looking for a Lead ML Engineer to join our world-class Data Science team of around 8 data scientists led by George Cushen ( ). As a business, we’ve won some of th ...

Graduate Software Engineer

£35,000 🪙 IC1 📋 Engineering 🏬 Mae Anderson 🧑‍🔬Location: London (office-based, ~4 days per week)Build Something That Mattersnative has been building for ten years and still runs like a startup: small, fast, and unsentimental about how things g ...

Graduate Software Engineer

£35,000 🪙 IC1 📋 Engineering 🏬 Mae Anderson 🧑‍🔬Location: London (office-based, ~4 days per week)Build Something That Mattersnative has been building for ten years and still runs like a startup: small, fast, and unsentimental about how things g ...

Lead ML Engineer

Role: Lead ML EngineerTeam / Department: Data Science Team within Marketing Sciences DepartmentRoleWe are looking for a Lead ML Engineer to join our world-class Data Science team of around 8 data scientists led by George Cushen ( ). As a business, we’ve won some of th ...

Graduate Software Engineer

Whether it's through thought-provoking live talks, conversation-sparking virtual events or sell-out club nights across the UK, all of our events have one simple aim…To help students live their best uni life!£35,000 🪙 IC1 📋 Engineering 🏬 Mae Anderson 🧑‍🔬Locati ...

Security Engineer II Detection Engineering

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Apply by 03-Oct-2025 About the role As a Cyber Security Detection Engineer, you will lead the development, implementation, and continuous improvement of Tesco's cyber security detection capability. You will be required to understand the changing threat landsca ...

Security Engineer II Detection Engineering

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Apply by 03-Oct-2025 About the role As a Cyber Security Detection Engineer, you will lead the development, implementation, and continuous improvement of Tesco's cyber security detection capability. You will be required to understand the changing threat landsca ...

Senior Data Engineer (Short Term Power Markets)

This is an energy trading and infrastructure asset investment firm, powered by deep fundamental research and advanced analytics. Now seeking a skilled senior data engineer to support the Intraday Short-Term Power business within the Data Science & Technology team in London.This team is pivotal in givin ...

Production Engineer – London

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class engineers to help build on their success.This is a unique role, blending Level- ...

FPGA Trading Team

Salary: up to £200k + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for exceptional FPGA engineers to join an elite global team to design and build the next generation of hardware sol ...

Graduate Commodities Risk Analyst

Our client is a global energy & commodity trading group and one of the most exciting and commercially driven Commodity Trading houses in the industry! Working as part of the London Middle Office team, responsible for UK and European LNG, Power, Gas, Ags and Oil (Financial) traded products, corr ...

Treasury Resolution Wind Down Analysis Senior Associate

Join a collaborative team where you will help drive innovation in regulatory planning and develop your expertise in capital and liquidity management. This role offers opportunities to work with colleagues across regions, enhance your technical skills, and contribute to projects that strengthen the firm’s resi ...

C++ Engineer – London

Salary: £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for an expert C++ engineer to join their core UI team. Their projects include applications for real-time trading and ...

Treasury Resolution Wind Down Analysis Senior Associate

Join a collaborative team where you will help drive innovation in regulatory planning and develop your expertise in capital and liquidity management. This role offers opportunities to work with colleagues across regions, enhance your technical skills, and contribute to projects that strengthen the firm’s resi ...

C/C++ Software Engineer – Core Dev

SummaryLeading global HFT firm is looking for a pragmatic C/C++ Engineer to join the Core Development team. Despite serving as the hub for managing the substantial operations across the UK, Europe and the Middle East, the London office retains a lively, positive environment of a start-up with th ...

Network Engineer (Trade)

Working with a global financial services organisation who are looking for a Network Engineer (Trading and Low Latency) to help deliver a high-profile project.DetailsLocation – LondonHybrid – 3 days / week in officeDuration – Initially 6 monthsRate - £800-£900 / day Ins ...

Markets Treasury Liquidity and Capital Optimization Executive Director

Job ResponsibilitiesLead the effort within the Markets Treasury organization, focusing on creating and implementing optimization strategies in response to the firm's binding financial resource constraintsDrive optimization efforts across collateral management, liquidity management (LCR ...

Senior Marketing Data Analyst to support the Salesforce Marketing Cloud (SFMC) Marketing Analytics initiative

Our client is seeking a Senior Marketing Data Analyst to support the Salesforce Marketing Cloud (SFMC) Marketing Analytics initiativeJoin a key data and analytics initiative within a high-profile public sector environment focused on strengthening marketing data quality, governance, and analytica ...

Forward Deployed AI Engineer: IFS Loops

Job DescriptionAbout the RoleAs a Forward Deployed AI Engineer, you’ll work directly with enterprise customers to deliver custom, production-ready AI solutions that solve real-world problems. You’ll lead the design and deployment of intelligent agents across customer workflo ...

Treasury Resolution Wind Down Analysis Associate

Join a collaborative team where you will help drive innovation in regulatory planning and develop your expertise in capital and liquidity management. This role offers opportunities to work with colleagues across regions, enhance your technical skills, and contribute to projects that strengthen the firm’s resi ...

DevOps/ Cloud Engineers

Third Republic is working with a Big 4 globally integrated audit, consulting, risk advisory and tax consulting company. They are undisputed leader in professional consulting and has more than 2500 partners and 40,000 workforce. They are known for unmatched breadth and depth of services. They seek to hire a Cloud ...

AI Researcher Senior Associate

The Chief Data & Analytics Office (CDAO) at JPMorgan Chase is responsible for accelerating the firm’s data and analytics journey. This includes ensuring the quality, integrity, and security of the company's data, as well as leveraging this data to generate insights and drive decision-making. The CDAO is also ...

Quantitative Middle Officer

Our client is a global energy & commodity trading group and one of the most exciting and commercially driven Commodity Trading houses in the industry! Working as part of the London Middle Office team, responsible for UK and European LNG, Power, Gas, Ags and Oil (Financial) traded products, corr ...

C++ Software Engineer – Trading Team

Salary: up to £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for a dynamic engineer skilled in C++ on Linux to join one of their growing quant trading teams.You ...

Assessments & Exercises Senior Associate

This role, within our Cybersecurity Assessments Delivery Office, will be responsible for day to day service delivery of security assessments across JPMC. You will be supporting the execution of technical security assessments, including red teaming, purple teaming and penetration testing. Note that this is not ...

Intern Internal Audit

Poste et missionsAs part of the audit team, the intern will support the team in the audit Assignment works and assist in the recommendations follow-up process.Participate in the testing stage of the mission: assess the management of risks by performing tests of mitigating cont ...

Intern – Compliance

Poste et missionsWhat you will be doing Assisting the tactical surveillance program in preparation for new technological contracts. Liaising with Porto Office Surveillance Team to strengthen electronic communications controls and test surveillance software. </ ...

Research Engineer

Job DescriptionOverviewAs a Research Engineer, you are expected to contribute to cutting-edge projects that advance both applied and theoretical aspects of AI. This role is ideal for individuals who are passionate about building practical systems from research ideas, thrive in a collaborative environme ...

Data Engineer – Streaming

Permanent / Up to £85000.00 per annumData Engineer – Real Time Streaming Experience Permanent £85,000 PP Hybrid 3 Days a week West LondonNorton Blake are supporting a long standing client of ours, who work in the Energy Sector.This role is a key hire for the busin ...

Treasury Resolution Wind Down Analysis Associate

Join a collaborative team where you will help drive innovation in regulatory planning and develop your expertise in capital and liquidity management. This role offers opportunities to work with colleagues across regions, enhance your technical skills, and contribute to projects that strengthen the firm’s resi ...

Commercial & Investment Bank Treasury Advanced Treasury Analytics – Senior Associate

Join a dynamic team at the forefront of treasury innovation and analytics. As part of Advanced Treasury Analytics, you’ll help shape strategic decisions that influence the future of our business. As an Associate in the Advanced Treasury Analytics (ATA) team, you will have the opportunity to learn and g ...

Senior MS Fabric Engineer

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that ...

Quantitative Trading & Research – Equity Derivatives Exotics – Vice President or Executive Director

Are you ready to shape the future of Exotics trading? Join our Quantitative Trading & Research team and make a meaningful impact on the Equity Derivatives business. You will have the opportunity to design and implement cutting-edge pricing and risk models, working alongside talented professionals in a collabo ...

Commodities Desk Aligned Engineer

My client, an award-winning multi-strategy hedge fund, is looking to hire a desk-aligned engineer for their Commodities business. This team seeks to generate alpha through directional and relative value strategies across both physical and financial commodities markets. They evaluate opportunities in natural g ...

Nearly Qualified Actuary

Join a growing actuarial team supporting in-force DB pension schemes. This role involves reporting, valuations, assumption setting, ALM, and model development. Ideal for a nearly/newly qualified actuary with pensions or BPA experience, strong analytical skills, and interest in process improvement. You'll gain ...

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