At a Glance
- Tasks: Join a team to rebuild flagship financial technology platforms using Java and Kotlin.
- Company: Leading financial services tech vendor based in London.
- Benefits: Competitive salary, dynamic work environment, and opportunities for career growth.
- Other info: Exciting projects with potential for professional development and innovation.
- Why this job: Make a significant impact in financial technology with cutting-edge tools.
- Qualifications: 7+ years in JVM, expertise in Java and Kotlin, multi-threading experience.
The predicted salary is between 85000 - 95000 £ per year.
Location: London
Salary: 85,000-95,000 per year
Posted: 2026-04-16
Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role! We have an exceptional opportunity with a leading financial services technology vendor based in the heart of London.
As a Senior Java Developer within this team, you will play a crucial role in the next phase of their growth, working on autonomous software at the core of their processes.
- 5+ years experience in JVM, we use both Kotlin and Java
- Multi-threading, concurrency and low-latency experience
- Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus
- Automated test experience, Unit testing and Integration testing
- An understanding of message-driven programming and messaging systems
- Experience with FIX and Kafka a huge plus
To excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. Automated test experience, including unit testing and integration testing, is also required. An understanding of message-driven programming and messaging systems, along with experience in FIX and Kafka, would be highly advantageous.
If you are ready to take the next step in your career and make a significant impact in the world of financial technology, apply now and join the team.
Senior Java Engineer with SQL in London employer: Ncounter
Ncounter is an exceptional employer that fosters a collaborative and innovative work culture, where employees are encouraged to explore cutting-edge AI and data solutions. Located in a vibrant tech hub, we offer competitive benefits, continuous professional development opportunities, and a supportive environment that values creativity and teamwork, making it an ideal place for those looking to make a meaningful impact in the enterprise technology landscape.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Java Engineer with SQL 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 Ncounter 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 Ncounter.
✨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 Ncounter.
✨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 Ncounter 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 with SQL in London
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 Ncounter.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Ncounter 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 Ncounter
✨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 Ncounter 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.
