At a Glance
- Tasks: Design and develop high-performance Java applications for real-time payment processing.
- Company: Leading payments consultancy with a focus on innovation and technical excellence.
- Benefits: Competitive salary, 20% annual bonus, hybrid working, and excellent career progression.
- Other info: Dynamic environment with exposure to Tier 1 banking clients and large-scale payment networks.
- Why this job: Join a skilled team and work on mission-critical platforms for global financial institutions.
- Qualifications: Strong Java experience, knowledge of payments, and skills in microservices and event-driven architectures.
The predicted salary is between 80000 - 100000 £ per year.
Are you a hands-on Java Engineer who enjoys building high-performance, distributed systems where resilience, scalability and correctness really matter?
This is an opportunity to work at the heart of real-time payments infrastructure, helping to deliver mission-critical platforms used by some of the world's largest financial institutions.
We're hiring on behalf of a leading payments consultancy that designs and delivers event-driven payment platforms for Tier 1 banks across the UK and internationally.
You'll join a highly skilled engineering team responsible for building and enhancing low-latency, event-driven payment systems capable of processing millions of transactions every day.
Working as a senior individual contributor, you'll collaborate with architects, engineers and client teams to design and deliver robust, scalable software that powers real-time payment processing.
Responsibilities
- Design and develop high-performance Java applications for real-time payment processing.
- Build scalable, event-driven microservices using modern Java technologies.
- Develop asynchronous, message-driven systems with a strong focus on resilience and performance.
- Design clean, maintainable APIs and distributed system architectures.
- Work closely with architects, product teams and client stakeholders to deliver complex technical solutions.
- Contribute to technical design discussions, code reviews and engineering best practices.
- Operate within Agile (Scrum/Kanban) delivery teams.
What We're Looking For
You'll be someone who enjoys solving complex engineering problems and building highly resilient distributed systems.
We're particularly interested in engineers with
- Strong commercial experience developing applications with Java 11+ (ideally Java 17+).
- Experience building scalable Spring Boot microservices.
- Strong experience/understanding of payments.
- Commercial experience with event-driven architectures and messaging technologies such as Kafka, JMS or Akka.
- Experience with TDD/BDD and modern CI/CD practices.
- Experience working with No SQL databases, ideally Mongo DB.
- What's On Offer
- 20% annual bonus
- Hybrid working (1 day per week in London)
- Opportunity to work on business-critical payment platforms used globally.
- Exposure to Tier 1 banking clients and large-scale payment networks.
- Engineering-led culture where technical excellence and innovation are genuinely valued.
- Excellent long-term career progression within a growing payments consultancy.
If you're passionate about building resilient, high-performance Java applications and want to work on technology that underpins real-time payments at global scale, we'd love to hear from you.
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Senior Java Software Engineer employer: Fynity
Fynity is an exceptional employer, offering a dynamic work environment in Hemel Hempstead where you can contribute to vital Defence and National Intelligence systems. With a strong focus on employee growth, we provide opportunities for professional development and skill enhancement, all while fostering a collaborative culture that values innovation and teamwork. Join us to be part of a mission-driven team dedicated to tackling real-world threats, with the added advantage of working in a highly secure and supportive setting.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Java Software Engineer
✨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 Fynity 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 Fynity.
✨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 Fynity.
✨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 Fynity 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 Software Engineer
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 Fynity.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Fynity 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 Fynity
✨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 Fynity 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.
