Back-End Software Engineer – Cyber Security SaaS Tech.

JR United Kingdom; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading tech firm in the cyber security sector is seeking an experienced Back-End Software Engineer to work on innovative SaaS products. You will design and maintain backend features using Java and Spring Boot while mentoring junior developers. This permanent position offers a collaborative onsite work environment in London, enhancing your technical skills within a cutting-edge tech stack and collaborative culture.

Benefits

Bonus

Equity

Health Benefits

Qualifications

• 7-10+ years of professional experience in software engineering.
• Strong focus on Java backend development.
• Solid understanding of modern API design patterns.

Responsibilities

• Design, develop, and maintain Java-based backend services.
• Contribute to infrastructure modernisation efforts, working closely with DevOps teams.
• Lead engineering best practices and support junior developers.

Skills

Java backend development

Spring Boot

Kafka

RabbitMQ

PostgreSQL

DevOps tools

Software security principles

Job description

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Back-End Software Engineer – Cyber Security SaaS Tech., london

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Client:

TechHeads

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

10.06.2025

Expiry Date:

25.07.2025

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Job Description:

Back-End Software Engineer – Cyber Security SaaS Tech.

TechHeads has partnered with a global leader in the cyber security industry. They are currently looking to grow their team with the addition of an experienced Back-End Software Engineer. This is a permanent role based onsite 5 days a week in London, allowing you to collaborate with peers and build your social and professional networks in person.

The ideal candidate will have experience in Back-End Software Development as well as a good understanding of DevOps processes. You will be responsible for designing, producing and maintaining new and existing backend features while also providing technical leadership through activities such as conducting code reviews and maintaining coding standards.

In this role, you will be using a modern tech stack including Java, Spring Boot and more, giving you an opportunity to further develop your skillset with the latest technologies while working on cutting edge projects.

You will be working with an organisation leading in the innovation of cyber security SaaS products. In this role, you will have the opportunity to work on Greenfield solutions in a collaborative environment, allowing you to work on exciting projects that offer you variety in your day-to-day work with a team of likeminded professionals.

If you’re looking for a role that will allow you to work with the latest in tech while contributing on projects that make a difference in the world around you, this role could be for you!

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:

• 7–10+ 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.
• Are 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:

• Benefits: Bonus, Equity and More

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