Lead Java Engineer jobs in Buckinghamshire

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

You will act as the technical lead on assigned projects - owning engineering and design decisions, establishing and enforcing design standards, and safeguarding the technical quality of deliverables.

You will oversee 2–3 backend squads, shaping long-term microservices architecture using Java 21 and AWS. This role balances strategic technical leadership with hands-on mentorship to drive engineering excellence, security, and scalable system design. Why this role is remarkable:

Role: Lead Test Engineer Contract Length: 12 Months Location: Hybrid – 3 days per week in office (except London). So Birmingham, Blackpool, Leeds, Manchester or Newcastle Must haves: - Significant experience leading and testing micro services - Functional and non functional testing - Hands on experience in automation testing Leadership skills - Experience leading microservices...

You will be our technical design authority, shaping the department, building our technical credibility, and leading the charge on our NERS accreditation journey. This is a unique chance to build something from the ground up in a fast-paced start-up environment, with a clear path to directorship.

Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer We’re Simmer Eats, one of Europe’s fastest-growing food brands. We’ve grown 10x in the last year, and we’re building the next phase of scale on a modern commerce and technology stack. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to customers’ doors,...

Lead Platform Engineer London / WFH to £150k Are you a platform engineering technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in stealth mode. As a...

Lead Software Engineer Stealth AI Fintech Startup | London | Hybrid (3 days on-site) We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They've built there MVP, raised funding from experienced fintech...

Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK building a razor sharp platform for heat pumps to be installed in homes up and down the...

You will be an experienced Quality professional from a manufacturing or automotive supply-chain environment, confident working cross-functionally and dealing directly with customers. Essential Experience & Qualifications - HNC / HND qualified (or equivalent) - 5–7 years’ experience within certified management systems (ISO / IATF 16949)

Job Title: Lead Electrical Design Engineer Location: Remote Sector: Energy / EV Infrastructure / Renewable Power Type: Permanent Company Overview Our client is a leading developer of advanced energy infrastructure projects, delivering large-scale grid connections, battery energy storage systems (BESS), and charging hubs across the UK. They are driving the transition to a smarter, cleaner...

A fantastic opportunity has arisen for a Systems Engineering Lead to join a specialist Systems Engineering function supporting complex, multi-national defence programmes. This role performs the duties of a senior technical lead position and works closely with programme leadership and engineering stakeholders across the wider organisation. Key Responsibilities: - Promote, develop and embed best...

Are you an Engineering Team Lead who wants more than just fixing breakdowns and ticking boxes. This is a hands-on leadership role in a fast-moving manufacturing environment that’s had multi-million-pound upgrades and investment poured into the site. New kit. New systems. Higher standards. I need someone who can step up and lead from the front. You’ll report directly to the Engineering Shift...

Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем сильнейших экспертов в...

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

You will oversee 2–3 backend squads, shaping long-term microservices architecture using Java 21 and AWS. This role balances strategic technical leadership with hands-on mentorship to drive engineering excellence, security, and scalable system design. Why this role is remarkable:

You will act as the technical lead on assigned projects - owning engineering and design decisions, establishing and enforcing design standards, and safeguarding the technical quality of deliverables.

You will be our technical design authority, shaping the department, building our technical credibility, and leading the charge on our NERS accreditation journey. This is a unique chance to build something from the ground up in a fast-paced start-up environment, with a clear path to directorship.

Role: Lead Test Engineer Contract Length: 12 Months Location: Hybrid – 3 days per week in office (except London). So Birmingham, Blackpool, Leeds, Manchester or Newcastle Must haves: - Significant experience leading and testing micro services - Functional and non functional testing - Hands on experience in automation testing Leadership skills - Experience leading microservices...

You will act as the technical lead on assigned projects - owning engineering and design decisions, establishing and enforcing design standards , and safeguarding the technical quality of deliverables. Own end‑to‑end technical decisions for assigned projects (mechanical, electrical, controls, and robot programming) and document the rationale.