Lead Software Engineer Python Java Jobs in London, UK

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Lead Fullstack Engineer

London (Hybrid) Permanent The Role This is a hands‑on technical leadership position, combining full‑stack development with ownership of technical direction across projects. Responsibilities Lead the design, development and delivery of scalable digital produ ...

Lead AI Engineer

Mission Statement & Summary We’re hiring a Lead AI Engineer to own the design and delivery of AI systems across the business. This is a hands‑on role focused on building production‑grade solutions using LLMs and agentic systems, embedding AI directly into core business processes rather than ...

Lead Security Engineer

Job Summary We are seeking a Lead Security Engineer to lead and evolve our security engineering capability across cloud and on-premise environments. The role will focus on embedding security into engineering and platform design, implementing scalable security controls and driving automation acros ...

Lead Engineer Kubernetes

Role Summary We are seeking a highly skilled and motivated Lead Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team. In this role you will be a key contributor to the design, implementation and maintenance of our Kubernetes infrastructure, ensuring ...

Lead QA Engineer

LeadQA Engineer We’re looking for a detail‑oriented and proactive Lead QA Engineer who is passionate about delivering high‑quality software and exceptional user experiences. In this role, you’ll work closely with product managers, designers, and engineers to ensure our applications are reliable, ...

Lead Security Engineer

Job Summary We are seeking a Lead Security Engineer to lead and evolve our security engineering capability across cloud and on‑premise environments. The role will focus on embedding security into engineering and platform design, implementing scalable security controls and driving automation acros ...

Lead Protection Engineer

Role: Protection Engineer & Lead Protection Engineer (HV Transmission Substations – Scotland) Are you looking to deliver end to end protection systems on major national infrastructure programs? Are you wanting a fast paced, high pressure, high reward environment? The this might be ...

Lead AI Engineer

Requirements 3+ years of professional software engineering experience Strong proficiency in Python or TypeScript Experience building and deploying LLM-powered applications or AI agents in production Experience with modern LLM tooling such as LangChain, LlamaIndex, G ...

Lead Design Engineer

Airside Civil Engineering Design Lead / Project Manager Flexible UK location | Aviation & Airports | Permanent staff position | Salary commensurate with experience + benefits | Full UK Working Rights Required We’re working with a leading aviation consultancy to recruit an Airside Civil En ...

Lead Fullstack Engineer

Zelt is on a mission to rebuild how organisations run. Our all-in-one platform helps modern companies manage their people across payroll, onboarding, time off, IT provisioning and more, in a seamless and automated way. We are the only platform on G2 named a Global Momentum Leader across HR, Payroll ...

Mobile Lead Engineer

CBRE Global Workplace Solutions – Lead Engineer Location: London Role Summary Able to manage cost related to delivery of maintenance activities (specialist and self-perform) Ensuring all client services, computer rooms, data networks, manufacturing and revenue earn ...

Lead Firmware Engineer

Requirements An experienced embedded software engineer ready to step into — or already operating in — a lead capacity, with a track record of shipping firmware on real products Comfortable setting technical direction and rolling up your sleeves when the team needs it Ide ...

Lead Firmware Engineer

Job Title: Lead Firmware Engineer Team: Electric System Location: Greenford (Hybrid – 3 days in office) Reports To: Head of Electric Systems About The Role The Lead Firmware Engineer is a hands‑on role, accountable for the technical ...

Lead System Engineer

At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible. This mind‑set goes beyond our customer solutions; it’s the foundation for your career development and the impact we have within the communit ...

Lead Product Engineer

About Artificial Help shape the future of specialty insurance. At Artificial, we’re building the next generation of technology for the specialty (re)insurance market. Our mission is to transform how brokers and carriers operate in complex markets by removing operational barriers and enabling smar ...

Lead BMS Engineer

Lead BMS Commissioning Engineer | City of London | £70,000 + Bonus + Package We are seeking a Lead BMS Commissioning Engineer for a well‑established BMS specialist in the City of London, taking ownership of complex projects while leading and managing a team of engineers. This is a fantastic opportu ...

Lead Analytical Engineer

Setup: Freelance (Daily rate / Limited Company / Umbrella / Sole Trader) Overview We need a Lead Analytics Engineer to define, scale and future‑proof data practices for a complex Energy Intelligence Platform operating at real‑time scale. Key Responsibilities <l ...

Lead AI Engineer

About WeBuild-AI WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad, industry-aligned language models, and agents to transform enterprise organisations into AI-powered and data‑driven businesses. We work with enterpr ...

Lead DevOps Engineer

We're MI6, also known as the Secret Intelligence Service (SIS). Our mission is to protect the security and economic wellbeing of the UK from overseas threats such as regional instability, terrorism, and cyber attacks. Working across the globe and in close partnership with MI5 and GCHQ, we help the Governme ...

Lead Systems Engineer

Code Unique is hiring a Lead Systems Engineer to build a new infrastructure-scale control system from the ground up. This is a foundational engineering role with direct involvement in system architecture, execution integrity, and long-term technical direction. We are looking for an engineer with ...

Lead AI Engineer

The Problem They Are Solving Most AI in the enterprise is cosmetic – dashboards, copilots, and tools that assist but don’t act. This company is building Digital Workers, autonomous AI systems that execute complex knowledge workflows end to end with human‑level reliability. Founded nearly ten year ...

Lead Security Engineer

We are seeking a Lead Security Engineer to lead and evolve our security engineering capability across cloud and on‑premise environments. The role will focus on embedding security into engineering and platform design, implementing scalable security controls and driving automation across modern infrastructur ...

Lead Platform Engineer

Requirements As well as a proven technical background, the ideal candidate must be able to participate effectively in multi-functional meetings, clearly articulate sophisticated technical and capabilities, translate business requirements into technical requirements, and ultimately, into out ...

Lead Platform Engineer

Location London Employment Type Full time Location Type Hybrid Department Engineering Compensation £120K – £170K • £120K – £170K Equity THE BASICS This role pays up to £170k/year DOE + equity. ...

Lead AI Engineer

The next wave of enterprise software won’t be dashboards or copilots. It will be Digital Workers, autonomous AI systems capable of executing complex workflows end-to-end. At causaLens, we are building the platform that enables enterprises to deploy these Digital Workers safely and at scale. O ...

Lead Ruby Engineer

Lead Software Engineer – Ruby on Rails - London (Hybrid) | Full-Time FRESH has partnered with a fast-growing B2B SaaS company building a next-generation data platform that delivers real-time insights to support passengers requiring assistance while travelling. They are now hiring a Tec ...

Lead Controls Engineer

Role: Lead Controls Engineer Location: UK home based, ideally London area. Business Unit – Automated Logic Corporation (ALC) Contract type : Full time, permanent Automated Logic Corporation are now looking for a Lead Controls Engineer , ...

Lead C++ Engineer

Platform Engineer – AWS/Terraform Global Financial Services organisation Location: New York Salary: $150,000 - $180,000 + benefits + bonus Hybrid: In office 3 days per week Customer Success Manager Monitoring & Observability | Financial Services L ...

Lead Sales Engineer

Requirements 6+ years of pre-sales or consultant experience of which at least 3+ in data analytics, business intelligence, or data science, preferably in the software industry Knowledge of and hands‑on experience with public clouds (AWS, Azure, GCP) and cloud data warehousing solu ...

Lead Electronics Engineer

Who We Are Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. As democracies, we believe we have a special responsibility to be ...

Lead Security Engineer

Job Description Join us and shape the future of secure software delivery. As a Lead Security Engineer, you'll work at the intersection of security and platform engineering, designing impactful solutions that enable teams to move fast while managing risk. You'll collaborate with talented squads, c ...

Lead DevOps Engineer

Do you thrive in a fast-paced setting where you can shape DevOps culture, drive automation, and deliver real impact across engineering teams? Elliptic is seeking a Lead DevOps Engineer to define and execute our next-generation platform vision. You will guide a growing team of DevOp ...

Lead Electrical Engineer

Lead Electrical Engineer £60,000 - £70,000 + Progression + Private Medical Care + Flexible Hours London: (Commutable from surrounding areas) Are you an Electrical Engineer looking to join a rapidly expanding company and innovative business offering a great opportunity to take the te ...

Lead Electronics Engineer

Duration Duration: 3 months (with possibility of extension) Company info A well-funded technology company is looking for a senior hardware engineer to contribute to an active development programme on a complex, regulated electronic product. The contract has a well-defined s ...

Lead Systems Engineer

We're looking for a Lead Systems Engineer to keep BlueBolt's infrastructure running smoothly, efficiently and securely. You'll bring substantial experience managing servers and networks across on‑premise and cloud environments, with strong Linux and macOS skills. The role is primarily technical, but you sh ...

Lead Platform Engineer

THE BASICS This role pays up to £170k/year DOE + equity Reporting to: Founding Engineer, Josh Harrison Location: Chancery Lane, London — Mon–Thu in office, Fri WFH WHAT ARE WE BUILDING Fyxer is an AI Email and Meeting Assistant that eliminates admin burden for pr ...

Lead Platform Engineer

THE BASICS This role pays up to £170k/year DOE + equity Reporting to: Founding Engineer, Josh Harrison Location: Chancery Lane, London — Mon–Thu in office, Fri WFH WHAT ARE WE BUILDING Fyxer is an AI Email and Meeting Assistant that eliminates admin burden for profess ...

Lead AI Engineer

£90,000 to £110,000 plus bonus and benefits This is a standout opportunity to shape and deliver cutting‑edge digital solutions that drive real operational impact. You will work directly with clients, embedding AI, advanced analytics, and digital tools into live environments and seeing your work tran ...

Lead Kotlin Engineer

# Staff Kotlin/JVM Engineer* London* Full Time (Permanent)* Hybrid* SuperApp EngineeringApply for this role## About the roleAs we continue to build upon the diversity of our team we are thrilled to have the opportunity to bring on board a Staff/Lead Kotlin Engineer. This is an opportunity to bring new experience ...

Lead Maintenance Engineer

Lead Maintenance Engineer Location: Central London Salary: £48,000 - £52,000 per annum + Excellent Overtime & Call-Out Allowance Hours: Monday - Friday, 40 hours per week Role: Static, commercial site Lead Engineer - Take ...

Lead Maintenance Engineer

Lead Engineer - High-End Commercial Site (Single-Man Contract) Location: North West London Salary: £50,000 + on call + overtime Contract: Monday - Friday: 8am - 5pm The Opportunity We are seeking a technically elite and highly autonomous < ...

Lead Fullstack Engineer

We are looking for a Staff Full‑Stack Engineer to take technical ownership across backend and frontend development, shaping high‑quality, scalable solutions and setting engineering standards for the team. This role combines hands‑on delivery with technical leadership, mentoring, and close collaboration wit ...

Lead Engineer (Salesforce)

Overview We’re on a mission to back the UK’s small businesses like no one else. Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses data to get them the funding they need in minutes, not weeks. At Funding Circle, we have the energy o ...

Lead Security Engineer

Lead Security Engineer We're looking for a Lead Security Engineer to drive security initiatives that embed secure‑by‑design principles across all platforms and products. This is an individual contributor role that blends architectural leadership with hands‑on engineering, focusing on building sca ...

Lead Project Engineer

Most broadcast environments talk about transformation. Very few actually modernise the infrastructure behind live sport. This role is about leading the engineering projects that keep world-class sports production moving. Why This Role Global leader in sports media + live ...

Lead Databricks Engineer

Ready to lead at the cutting edge of Data, AI & Databricks? At Kubrick , we’re not your traditional consultancy. We’re a next-generation technology partner on a mission to accelerate delivery, build world‑class teams, and develop the next generation of tech leaders. Since 2017, we’ve built a ...

Lead Solutions Engineer

About the Role Taktile exists to create value for organizations through smarter and safer decisions at scale. Our goal is to become the world's leading software provider for automated decision‑making in the financial services industry and, to date, our software has been used by our customers to p ...

Lead Solutions Engineer

Taktile is transforming how financial institutions leverage AI for critical decisions. We're growing rapidly with enterprise customers across financial services, and we're looking for a Lead Solution Engineer to join our pre-sales team and help demonstrate the power of AI-driven decision-making to the worl ...

Lead Security Engineer

Overview This range is provided by Wave Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Job Title: Senior Security Engineer Location: London (3 office days/week) Indu ...

Lead AI Engineer

About WeBuild-AI: WeBuild-AI are AI natives delivering 10x value for enterprise organisations. We combine highly skilled experts with our AI Launchpad , industry-aligned language models, and agents to transform enterprise organisations into AI-powered and ...

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    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights