Backend Software Engineer – High Impact Cybersecurity Solutions, Earn up to £120,000 Annually (DOE)

Backend Software Engineer – High Impact Cybersecurity Solutions, Earn up to £120,000 Annually (DOE)

Permanent ¦¦ Onsite ¦¦ London

£100,000 - £120,000 DOE

TechHeads is proud to partner with aglobal cybersecurity powerhouseon anunmissable opportunity for a Backend Software Engineerto join their elite London team. This is apermanent role based onsite in Central London 5 days a week.

Working in cybersecurityoffers the chance togrow your career in a secure and rapidly expanding industry. Where innovation, stability, and long-term progression come together. You’ll be part of a team buildinghigh-impact solutions that protect leading enterprises and organisations from real-world threats.

As a Backend Engineer, you’llplay a key role in designing and building secure, scalable backend systems that power next-generation cybersecurity platforms. You’llwork with cross-functional teams and contribute to both greenfield projects and critical enhancements, while also having the opportunity tohave architectural inputs on projects. It’s ahigh-ownership rolewhere your decisions will shape the direction of complex, enterprise-grade solutions and give youinvaluable experience in solution design and delivery.

You’ll work hands-on with amodern tech stack including Java, Spring Boot and more, contributing to bothgreenfield projects and the evolution of existing platforms. Your technical leadership will helpshape backend architecture and influence future direction. Giving you a chance tomake strategic contributions while staying close to the code.

You’ll be joining a company offeringlong-term career stability in one of the most secure and rapidly growing industries. With a strong culture of internal progression, continuous learning, and technical mentorship, you’ll have clear opportunities to develop your expertise and advance your career in cybersecurity. This is a role built for engineers looking to grow, lead, and thrive.

If you’re a skilled backend engineer seekinga role where your impact is tangible and your future is secure,this London-based opportunity offers the challenge and career trajectory you’ve been looking for.

NOTE: This role has a minimum requirement for candidates to hold a UK/EU Passport or ILR VISA.

Responsibilities:

• Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ.
• Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes, CI/CD pipelines, and legacy system migrations.
• Innovate across the stack, taking ownership of key projects and delivering performant, scalable solutions.
• Lead engineering best practices including coding standards, unit testing, code reviews, and system architecture discussions.
• Support, coach, and mentor junior developers, fostering a culture of technical excellence and collaboration.
• Work closely with cross-functional teams, including product and engineering groups different countries/regions, to ensure alignment and execution.
• Build and deploy secure, resilient APIs (REST/GraphQL) and optimise the full software development lifecycle through automation.

Requirements:

• 7+ years of professional experience in software engineering, with a strong focus on Java backend development.
• Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns.
• Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure).
• Strong grasp of software security principles, system performance optimisation, and infrastructure reliability.
• Experience working on large-scale, production-grade systems with distributed architectures.

Nice to Have:

• Exposure to tools like Elasticsearch/Kibana, Hadoop/HBase, OpenSearch, or VPN/proxy architectures.

Ideal Candidate Will:

• Bring technical vision, initiative, and a passion for exploring and implementing emerging technologies.
• Be a natural technical leader with experience mentoring engineers and driving engineering quality across teams.
• Enjoy solving complex problems and have a product mindset with an eye toward continuous improvement.

Compensation:

• Salary: £100,000 - £120,000 DOE
• Benefits: Equity, Healthcare and More

If you would like to be considered for this position, please share a copy of your updated CV to