At a Glance
- Tasks: Develop and maintain cutting-edge payment systems using Java and microservices.
- Company: Join a dynamic ecosystem of innovative companies committed to digital transformation.
- Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
- Other info: Inclusive workplace celebrating diversity and offering excellent career advancement.
- Why this job: Make a real impact in the fintech space while working with talented professionals.
- Qualifications: 5+ years in software development with Java and experience in agile methodologies.
The predicted salary is between 63000 - 77000 £ per year.
Imagine working alongside over 4,000 talented individuals driven by a shared passion for excellence and innovation. We’re not just a company; we are a dynamic ecosystem of companies, including VASS, NATEEVO, Serbatic, vdSHOP, T4S, Comunytek, ECENTA, and CRI group. Our collective strength and the E4 Agile Method empower us to assist large enterprises in their digital transformation journey, executing ground-breaking projects from strategy to operation.
At VASS we are not just a business; we are committed to society. In 2019, we established the VASS Foundation to champion research and training in the digital talent space. We proudly allocate 2% of our profits and encourage our entire team to dedicate 1% of their time to impactful solidarity actions. It is not just about growing the bottom line; it’s about growing together, hand in hand with the community we serve.
We are seeking an experienced Senior Java Software Engineer to join a team developing and supporting modern payment-processing systems. This position is offered initially as a six-month contract on a contractor basis. You will build secure, reliable, and high-performing backend applications using Java, Spring Boot, and microservices. The role involves connecting different systems through APIs and messaging technologies, monitoring application performance, resolving complex technical issues, and helping the wider development team follow software engineering best practices.
What you’ll be doing:
- Developing and maintaining payment systems and platform services
- Building microservices, middleware applications, orchestrators, and automated tests
- Integrating systems through APIs and messaging technologies
- Providing technical guidance and promoting software engineering best practices
- Overseeing application monitoring and supporting production implementations
- Providing third-line support for complex application issues
- Improving application performance, observability, and resilience
- Working proactively within an agile development environment
What we’re looking for:
- At least five years of software development experience using Java
- Experience with Spring Boot and microservices
- Experience with messaging systems—ideally Kafka and another technology such as RabbitMQ or IBM MQ
- Experience integrating APIs using REST and GraphQL
- Knowledge of relational and non-relational databases
- Experience developing systems using agile methodologies
- Strong analytical and logical reasoning skills
- A proactive approach and the ability to learn quickly
- A completed bachelor’s degree in systems engineering, computer engineering, mathematics, physics, economics, business administration, or a related discipline
Desirable experience:
- Knowledge of UK or international payment standards, including ISO 20022, SWIFT, and MX messaging
- Experience with Docker and Kubernetes
- Knowledge of AWS or another cloud platform
- Experience with performance-testing tools such as Gatling or JMeter
- Familiarity with Jira and Confluence
- DevOps and continuous-integration experience using tools such as Gradle, GitHub Actions, and Sonar
VASS is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Employment decisions are based on qualifications, merit, and business needs, without regard to race, religion, colour, sex, gender identity, sexual orientation, age, national origin, marital status, or disability status. Join us in shaping the future of digital transformation.
Senior Java Developer - Payments in London employer: VASS UK
At VASS, we pride ourselves on being an exceptional employer, fostering a vibrant work culture that champions innovation and collaboration. Our commitment to employee growth is evident through our investment in training and the VASS Foundation, which encourages team members to engage in meaningful community initiatives. Located in a dynamic environment, we offer competitive benefits and the opportunity to work on cutting-edge projects that make a global impact while nurturing local commitments.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Java Developer - Payments in London
✨Get Involved in Open-Source Projects
Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at VASS UK who values hands-on experience over just theory.
✨Attend Local Tech Meetups
Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at VASS UK!
✨Showcase Your Work Online
With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at VASS UK to see what you bring to the table.
✨Leverage Temporary Job Boards
Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!
We think you need these skills to ace Senior Java Developer - Payments in London
Some tips for your application 🫡
Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at VASS UK!
Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!
Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!
Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Senior Java Developer - Payments at VASS UK! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!
How to prepare for a job interview at VASS UK
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that VASS UK uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.
✨Demonstrate Your Adaptability
Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at VASS UK that you can learn on the job and deliver results in a short timeframe!
✨Show Off Your Portfolio
Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest VASS UK, so it's relevant and sparks conversation during your interview.
