Senior Java Engineer in London

Senior Java Engineer in London

London Full-Time No working from home possible
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At a Glance

  • Tasks: Design and build distributed services using core Java and tackle complex data challenges.
  • Company: Global tech company specialising in observability and monitoring solutions.
  • Benefits: Competitive salary, extensive health benefits, and a strong learning culture.
  • Other info: Hybrid working model with a supportive team and excellent career growth.
  • Why this job: Own your projects and work on impactful technology at a global scale.
  • Qualifications: 7+ years as a backend Java developer with expertise in distributed systems.

Global technology & software product company operating in the observability and monitoring space, is looking for a Senior Java Engineer to join their Platform Team in London. You'll help build the distributed services that sit at the core of their product, ingesting and transforming data at scale so it can power a range of analytics and monitoring tools used by customers around the world. This is an excellent opportunity to join a highly-skilled team of Software Engineers, who value technical coding ability, ownership & delivery - no client work, no consultancy, no "Project management" of software - just pure, coding ability with Java, Data & complex, distributed global software systems required!

Location: London (Old Street / Shoreditch). Salary: £120,000 to £125,000 basic, plus an extensive benefits package. Working arrangement: hybrid, ideally 2 days per week in the office, with flexibility considered.

What you'll be doing:

  • Design and build distributed services from the ground up, working with core Java rather than solely relying on heavy framework usage.
  • Develop event-driven systems using Kafka and event-streaming frameworks at scale.
  • Orchestrate deployments on Kubernetes, defining services, deployments and stateful sets.
  • Tackle hard problems around data consistency and availability, and shape how the platform evolves.
  • Mentor other engineers while continuing to learn from senior peers across a global team.

What you need to bring:

  • At least 7 years' experience as a backend Java developer, building complex distributed systems.
  • A deep understanding of core Java, data structures and concurrency, not just framework knowledge.
  • Hands-on experience with Kafka and event-streaming frameworks such as Flink, Kafka Streams or Spark.
  • Practical Kubernetes experience, including troubleshooting production issues.
  • Experience tuning JVM performance - garbage collection, CPU hotspots and heap dump analysis.

Why you'll love this job:

  • Genuine ownership - you'll take on your own piece of the product within 90 days, backed by a supportive team.
  • A strong learning culture, with a structured onboarding plan and an ambitious L&D policy behind you.
  • An extensive benefits package covering health, dental, pension, life assurance and more.

If you're a backend-focused Java engineer who enjoys solving hard distributed systems problems and wants to work on technology used at global scale, we'd love to hear from you. Apply today to find out more about this opportunity.

Senior Java Engineer in London employer: Hireful

At hireful, we pride ourselves on being an excellent employer, offering a supportive work culture that values teamwork and dedication. Our part-time roles, such as the Cleaning Assistant in Malvern, provide flexible hours that allow for a healthy work-life balance, while also presenting opportunities for personal growth and development within our community-focused environment. Join us to contribute to maintaining high cleanliness standards at The Downs, where your efforts are truly appreciated and rewarded.

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Contact Details:

Hireful Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Java Engineer in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Hireful or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Hireful.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Hireful.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Hireful that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Java Engineer in London

Core Java
Distributed Systems
Data Structures
Concurrency
Kafka
Event-Streaming Frameworks
Flink

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Hireful.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Hireful and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Hireful

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Hireful uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.