Lead Software Engineer Python Java Jobs in London, UK

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Senior Public Health Engineer Lead Net Zero Building Systems

A leading engineering consultancy in the UK seeks a Senior Public Health Engineer to lead the design and management of Public Health systems on diverse building projects. The role involves ensuring compliance with client requirements, mentoring junior engineers, and collaborating across multidisciplinary teams. ...

Deskside IT Support Engineer Path to Team Lead (London)

A leading digital solutions company is seeking a Deskside Support Engineer for their London office. This full‑time role involves providing hands‑on IT support for Windows 10, Office 365, and other technologies to senior stakeholders. Candidates should have a college IT qualification and proven experience in prov ...

Senior Full Stack Engineer (React/Node) — Lead & Grow SaaS

A leading fintech software start-up located in the City of London is seeking a full-stack software developer to optimize and build features across their award-winning web platform. The ideal candidate will bring 4-7 years of experience in web development, with a strong proficiency in technologies such as ReactJS ...

Control Systems Engineer PLC/SCADA, UK Site/Lead Roles

Osprey Engineering Solutions is seeking a Control Systems Engineer based in London or near Reading. The role involves full life cycle delivery of projects, attending client meetings, and ensuring technical compliance and quality. Candidates should possess a Software Engineering Degree or Electrical Qualification ...

Lead Network Security Engineer/ Architect freelance hybrid, London, UK

Reports to Head of Data Centre and Network Services. Responsibilities Engineer and operate firewall platforms (Palo Alto, FortiGate), F5 BIG-IP, IPS, and proxy/SWG solutions — including rule lifecycle management, policy optimisation, and senior incident response. Design an ...

Lead Shift Electrical Engineer 4 on/4 off, London

Construction, Property and Engineering is seeking an experienced Electrical Maintenance engineer for a shift role in central London. The ideal candidate will have NVQ Level 3 in Electrical and 18th Edition certification, alongside commercial maintenance experience. Key duties include emergency light testing, fir ...

Lead Substations Plant Engineer (m/f/d) Transmission & Distribution

Lead Substations Plant Engineer (m/f/d)- Transmission & Distribution Are you an experienced extra high voltage or high voltage engineer? Do you want to push the boundaries of your profession and develop in an open, collaborative, and empowering culture? Are you looking for an exciting new challen ...

Lead Substations Plant Engineer (m/f/d) Transmission & Distribution

Job DescriptionLocation: across all our UK officesAre you an experienced extra high voltage or high voltage engineer? Do you want to push the boundaries of your profession and develop in an open, collaborative, and empowering culture? Are you looking for an exciting new challenge? ...

Lead AI Engineer — On‑Site, Client‑Facing AI & Analytics

Harnham is seeking a professional to shape and deliver digital solutions in London. The role involves applying AI, data science, and advanced analytics directly in client operations. Successful candidates will have a strong commercial background, deep technical capabilities, and effective stakeholder management ...

Senior Gas Operations Engineer — Lead In House Team & Safety

Islington Council is looking for a Senior Mechanical Engineer to lead their team of Domestic Gas Engineers, driving safety and compliance with gas services. You will oversee operations, manage emergency responses, and ensure high standards across services while mentoring staff and developing training. ...

Senior Building Services Mechanical Engineer – Lead M&E Design

BAM is seeking a Senior Building Services Mechanical Engineer to join our construction team in Greater London. This role involves ensuring the continuity of engineering processes for current and future projects, managing design teams, and liaising with contractors. Candidates should have a relevant engineering d ...

Senior Full Stack Engineer: Shape Platform & Lead with Impact

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 effectively. This role involves close collaboration with ...

Lead Frontend Engineer: Real time AI Canvas with Equity

Gendo Technology Ltd in Greater London is seeking a Senior/Lead Frontend Engineer to own the frontend of Gendo Canvas, a real-time collaborative AI rendering platform for architects and designers. You will work with React (Next.js) and WebGL on a unique engineering challenge. The role offers meaningful ...

Lead Real Time ML Engineer for Live Sports Insights

5V Video in Greater London is seeking a Principal Machine Learning Engineer to lead the development of systems that generate real-time insights for live sports. You'll work on cutting-edge technology, including Computer Vision and Generative AI. Candidates should have strong experience in production ML systems a ...

Lead Mobile Engineer (React Native) in London Coders Connect

Lead Mobile Engineer (React Native) ...world-class experts anytime, anywhere. As they accelerate their product and expand their team, they are hiring a Lead Mobile Engineer (React Native) to take their mobile experience to the next level. Requirements Whether you are a high-agency pr ...

Lead Front End Engineer(Agentic Intelligence) in London GroupM

Frameworks and Tools Approaches using frameworks like Cypress, Jest, Jasmine, Mocha, or Chai with Protractor and Karma. Package managers (NPM or Yarn). Webpack and node.js are a big plus as we tend to build our facades in it. Version control using Git with Github or GitLab. Web development with API- ...

Senior iOS Engineer — Lead High Impact, User Focused Apps

Rightmove is seeking a Senior iOS Engineer in London to lead the development of high-quality mobile applications. The role involves collaborating with product teams, ensuring technical excellence, and mentoring junior engineers. Candidates should have 5+ years of iOS development experience, proficiency in Swift ...

Lead Test Automation Engineer AI Driven QA, UK Travel

Accenture is looking for a Test Automation Manager in London, willing to travel to client sites across the UK. The role requires leading a team in Quality Engineering, implementing automated testing, and collaborating with diverse clients. You will also participate in internal communities and receive a competiti ...

LLM Lead AI Engineer — Build Production Grade AI Solutions

Saragossa, a London-based startup, seeks an enthusiastic individual to lead the design and development of innovative AI solutions powered by LLMs. This role offers the chance to work without restraints, tapping into your creative freedom while influencing the future direction of AI projects. If you are proficien ...

Senior iOS Engineer — Lead Next‑Gen Energy App (SwiftUI)

Ohme is seeking a Senior iOS Engineer to enhance their mobile experience. This role involves developing and maintaining iOS applications using Swift and SwiftUI, integrating backend services, and leading a team in the implementation of robust software practices. Candidates should have over 5 years of experience, ...

Lead Node Backend Engineer Scale up, Hybrid London/WFH

Client Server is seeking a Lead Node Developer / Backend Engineer in London. You will play a crucial role in designing and developing backend services for a financial operating system, enhancing customer experiences and vendor revenues. The successful candidate will have a strong background in Node.js and Postgr ...

Product Engineer: Own & Lead an AI Driven Mobile App

SR2 | Socially Responsible Recruitment | Certified B Corporation™ is looking for a Product Engineer to join a dynamic start-up in Greater London. You will collaborate with the CEO to design a consumer app, taking full ownership of the product's features and functionalities. This role offers significant autonomy ...

Senior Electrical Design Engineer Lead M&E & Low Carbon

TSA Surveying Ltd is looking for a motivated Senior Electrical Engineer to join their London building services design team. This role offers a clear career progression towards leadership and management. Responsibilities include contributing to design strategy, performing detailed electrical design calculations, ...

Lead Engineer at Techstars backed FinTech for Good startup

Job Title Lead Engineer Salary Not Disclosed Company Description Techstars-backed FinTech For Good startup building a fairer financial ecosystem Job Description As the foundational Lead Engineer, you will own the technical roadmap and arch ...

Lead Full Stack Engineer, Fintech — London/Paris, Share Options

Capi Money is hiring a talented engineer in London to help shape our product vision and technical architecture. You’ll work closely with the founding team to build solutions that solve customer problems in Africa. The role entails a strong focus on product delivery and leadership, where you'll mentor junior e ...

Lead Ruby on Rails Engineer Hybrid London Mortgage Platform

Hawksworth in the United Kingdom is seeking a Lead Ruby on Rails Engineer to join their innovative financial services team. The engineer will build and evolve a modern Ruby on Rails mortgage platform, design secure systems, and drive CI/CD practices. With a focus on agile methodologies and team leadership, the r ...

Lead AI Engineer (LLMs) — Build Real World AI Solutions

Saragossa, based in Greater London, is seeking a driven individual to lead the development of innovative AI solutions. The role offers the opportunity to work on cutting-edge technology in an environment that encourages creativity and experimentation. The ideal candidate will have strong skills in Pyth ...

Senior Direct Air Capture Process Engineer — Lead System Design

Rivan Industries is seeking a Process Engineer to own the development of our DAC system. The ideal candidate will have over 5 years of experience in designing plants with solid-handling. Essential qualifications include a degree in Chemical Engineering and expertise in high-temperature processes. This position o ...

Senior HV Cable Systems Engineer Lead, Innovate & Deliver (Hybrid)

A global infrastructure consulting firm is seeking a Principal Cable System Design Engineer in Greater London. This vital role involves leading HV/EHV cable system projects, ensuring quality and compliance while engaging clients effectively. The ideal candidate will have strong technical leadership in cable syst ...

Lead Go Backend Engineer – Fintech Scale Up (Hybrid London)

A leading fintech startup in London is seeking an experienced Backend Engineer proficient in GoLang. In this hybrid position, you will develop and scale robust backend systems responsible for processing millions of transactions. Ideal candidates will have extensive backend engineering experience and a background ...

Principal Energy Engineer: Net Zero Projects Lead (2 yr)

A leading public sector organization in the City of London is looking for a Principal Energy Engineer on a 2-year fixed term contract. The ideal candidate will manage energy conservation projects, enhance the efficiency of building services, and actively contribute to achieving the organization's net zero goals. ...

Lead Substations Plant Engineer (m/f/d) Transmission & Distribution

Job DescriptionLocation: across all our UK officesAre you an experienced extra high voltage or high voltage engineer? Do you want to push the boundaries of your profession and develop in an open, collaborative, and empowering culture? Are you looking for an exciting new challenge? ...

Capital Markets Platform Lead Systems Operations Engineer Vice President

**About this role:** Embark on an exciting career journey with Wells Fargo, a prominent global bank recognised for its commitment to innovation and excellence. We're currently seeking a seasoned Lead Systems Operations Engineer to provide advanced platform support for our Commercial and Corporate & Inve ...

Graduate Security Operations Engineer Start July 26

Graduate Security Operations Engineer Start July 26 London / WFH to £40kAre you a bright, ambitious Computer Science graduate with a keen interest in Cyber Security, looking to progress your career? You could be learning from a hugely talented team at a rapidly expanding scale-up software ...

Graduate Security Operations Engineer Start July 26

Graduate Security Operations Engineer Start July 26 London / WFH to £40kAre you a bright, ambitious Computer Science graduate with a keen interest in Cyber Security, looking to progress your career? You could be learning from a hugely talented team at a rapidly expanding scale-up software ...

Highway Design Engineer

The company have developed a well-earned reputation for their work delivering civil and environmental engineering projects to meet the growing demands of our changing world. Currently undergoing a phase of growth, they work with a wide range of clients across the UK in both the public and private sectors, del ...

ServiceNow Technical Consultant

Overview Are you a ServiceNow ITOM expert who thrives on connecting complex data landscapes and turning them into powerful, business-driving solutions? Do you enjoy working at the intersection of CMDB, Discovery, Cloud, and IT Asset data — while influencing customers with thought leadership and t ...

Member of Technical Staff Machine Learning, AI Safety MAI Superintelligence Team

**Overview** **Overview** As a Member of Technical Staff – Machine Learning, AI Safety, you will develop and implement cutting-edge safety methodologies and mitigations for products that are served to millions of users through Copilot every day. Users turn to Copilot for support in all types of ...

Energy Analyst

Shell Energy Europe & Environmental Products is seeking a Data Scientist to work within the Market Analysis team to develop and improve our forecasting models. What’s The Role Accurate forecasting of market fundamentals is critical to improved decision making on the trading desk. The anal ...

Staff Engineer Labyrinth Screening

Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering and terrorist financing, enabling organisations to enforce sanctions at scale to help com ...

Senior Product Engineer [Backend] (£80k £100k + Equity) at Userled.io

This 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.Job Title: Senior Product Engineer [Backend]Salary: £80k-£100k + ...

Electrical Design Engineer (Building Services)

Electrical Design Engineer (Building Services/Lighting Design) Harrow, England £55,000 - £75,000 + Training + Progression + Private Healthcare + Pension Are you an Electrical Design Engineer or similar with a background within the Building Services/MEP/Lighting Des ...

FinTech Technical Lead: Platform Architect (Hybrid/Remote UK)

Burns Sheehan is looking for a Technical Lead to drive the tech strategy within a profitable fintech scale-up in London. This hybrid role offers real strategic influence, requiring expertise in systems architecture and mentoring, with a focus on evolving data-driven platforms. The candidate should have strong sk ...

Senior Gas Operations Engineer — Lead In House Team & Safety

Islington Council is looking for a Senior Mechanical Engineer to lead their team of Domestic Gas Engineers, driving safety and compliance with gas services. You will oversee operations, manage emergency responses, and ensure high standards across services while mentoring staff and developing training.A ...

Lead Civil Engineer Water Systems and Net Zero Design

A leading design consultancy in Greater London is seeking experienced Senior Civil Engineers to join their Regulated Water Asset Design team. This role involves managing project delivery, overseeing technical quality, and leading multi-disciplinary teams to achieve project goals. Candidates should possess a degr ...

Junior Data Engineer

Robert Half Technology are assisting a global Pharmaceutical organisation to recruit a Junior Data Engineer on a 6 month contract basis - Hybrid Working (1 day per week onsite) - London based The Junior Data Engineer will You play a key role in turning data into actionable insights, supporting decision ...

Junior Data Engineer

Robert Half Technology are assisting a global Pharmaceutical organisation to recruit a Junior Data Engineer on a 6 month contract basis - Hybrid Working (1 day per week onsite) - London based The Junior Data Engineer will You play a key role in turning data into actionable insights, supporting decision ...

DevOps Security Engineer

About Legacy Legacy is an easy-to-use, non-custodial Web3 wallet designed to protect digital assets through beneficiary protection and seamless DeFi access. Users can swap across chains, earn yield in one click, and safeguard wealth for the next generation. About The Software Division </ ...

Cloud Security Engineer

The successful candidate will be a subject matter expert with hands‑on experience in a wide range of cloud technologies, tools and methodologies. The role is suited for an experienced Cloud Engineer with proven understanding in enterprise security and will focus on building toolsets and processes to suppor ...

Simulation Driver & Performance Engineer

Role Overview We are looking for a Simulation Driver & Performance Engineer to join our Motorsports division. Reporting into the Motorsport Technical Director, you will support vehicle performance research and development programmes, focusing on full‑time development and test work through hands‑o ...

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