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- Tasks: Join a specialist team to build a cutting-edge platform for secure messaging and data sync.
- Company: Work in the defencetech space, focusing on high-stakes, real-world applications.
- Benefits: Enjoy a competitive salary and the chance to work on innovative projects.
- Why this job: Make a real impact with low-latency systems in critical environments.
- Qualifications: Proven experience with Java, Spring, and Kafka; security clearance required.
- Other info: This is a greenfield project, offering a fresh start rather than legacy work.
The predicted salary is between 72000 - 168000 £ per year.
If you're a backend engineer who thrives on solving hard problems in distributed systems and you're looking for a role that actually matters, this one's worth a look.
We're working with a specialist team in the defencetech space scaling a brand new platform. Think live coordination, secure messaging, and data sync that holds up under pressure. It’s built for real-world, high-consequence environments.
Why:
- Low-latency, event-streaming architecture powering real-time decisions
- Greenfield core. This is a full rebuild, not legacy work.
What you’ll bring:
- Solid experience with Java and Spring
- Expertise in Kafka
- Strong grasp of performance, resilience, and secure system design
- Comfortable building in environments where quality, traceability, and uptime are critical
- Familiarity with identity platforms (like Keycloak), containerised deployments, and CI/CD pipelines
You’ll need to be eligible for UK Security Check clearance. That means 5+ years of UK residency and a clean background.
Nice to have:
- Experience with messaging or sync platforms
- Knowledge of geo-redundant or stateful deployments
- Exposure to security tooling, trust models, or encrypted transport layers
Salary: £120,000
Senior Java Software Engineer employer: TechShack
Contact Detail:
TechShack Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Java Software Engineer
✨Tip Number 1
Familiarise yourself with the latest trends and technologies in event-driven systems, particularly Kafka. Join relevant online communities or forums where you can engage with other professionals and share insights about best practices and challenges in this area.
✨Tip Number 2
Showcase your problem-solving skills by preparing for technical discussions. Be ready to discuss specific challenges you've faced in distributed systems and how you overcame them, as this will demonstrate your hands-on experience and critical thinking.
✨Tip Number 3
Network with current employees at StudySmarter or in the defencetech space. Attend industry meetups or webinars to connect with professionals who can provide insights into the company culture and the specific demands of the role.
✨Tip Number 4
Prepare to discuss your understanding of secure system design and performance optimisation. Given the nature of the role, being able to articulate your approach to building resilient systems will set you apart from other candidates.
We think you need these skills to ace Senior Java Software Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Java, Spring, and Kafka. Include specific projects where you've worked on event-driven systems or distributed architectures to demonstrate your expertise.
Craft a Compelling Cover Letter: In your cover letter, explain why you're passionate about working in the defencetech space. Mention your familiarity with secure system design and how you can contribute to building a low-latency, event-streaming architecture.
Showcase Relevant Experience: When detailing your work history, focus on roles that involved performance, resilience, and secure system design. Highlight any experience with CI/CD pipelines and containerised deployments, as these are crucial for the role.
Prepare for Security Clearance: Since eligibility for UK Security Check clearance is required, be ready to provide information about your residency and background. Mention your clean record and 5+ years of UK residency in your application to reassure the employer.
How to prepare for a job interview at TechShack
✨Showcase Your Java Expertise
Be prepared to discuss your experience with Java and Spring in detail. Highlight specific projects where you implemented these technologies, focusing on challenges you faced and how you overcame them.
✨Demonstrate Kafka Knowledge
Since Kafka is a key part of the role, ensure you can explain its architecture and how you've used it in past projects. Be ready to discuss event-driven systems and how they can be optimised for performance.
✨Discuss System Design Principles
Prepare to talk about your understanding of performance, resilience, and secure system design. Use examples from your previous work to illustrate how you prioritised these aspects in your projects.
✨Familiarity with CI/CD and Containerisation
Make sure to mention your experience with CI/CD pipelines and containerised deployments. Discuss how these practices have improved your workflow and the quality of your software delivery.
