At a Glance
- Tasks: Design and optimise high-performance Java systems for secure payment workflows.
- Company: Fast-growing tech consultancy with a focus on digital transformation.
- Benefits: Hybrid work model, competitive salary, and a supportive team culture.
- Other info: Diverse, woman-owned company with excellent career growth and low attrition.
- Why this job: Join a dynamic team and shape the future of business technology.
- Qualifications: 10+ years in Java development with strong performance optimisation skills.
The predicted salary is between 80000 - 100000 € per year.
Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some of the industry’s leading companies, our global talent has helped many clients achieve their goals.
We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you.
Key Responsibilities:- Design, develop, and optimize low-latency, high-throughput backend systems using Java.
- Build and maintain RESTful APIs and microservices that power secure payment workflows.
- Work with messaging standards and protocols commonly used in financial transactions.
- Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments.
- Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management.
- Collaborate with DevOps, Product, and QA teams to ensure production-grade solutions.
- Drive architectural changes, advocate for best practices, and provide mentorship to peers.
- Drive performance tuning, fault tolerance, and observability improvements across services.
- 10+ years of experience in Java development with a focus on performance and memory optimization.
- Proficient in Mongo, Spring and microservice-based architecture.
- Proven experience with low-latency, high-throughput applications (sub-millisecond response times a plus).
- Hands-on experience deploying applications on Red Hat OpenShift and/or Kubernetes.
- Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
- Strong communication skills and a bias toward action and opinionated design decisions.
- Familiarity with messaging systems (Kafka, RabbitMQ, etc.)
- Prior experience in Payments Processing, financial services, or banking systems.
- Exposure to container security and performance tuning on OpenShift.
- Knowledge of payment gateways, ISO 20022, or SWIFT formats.
- Hybrid work model in London, UK.
- Collaborative, fast-paced, and engineering-driven culture.
- Emphasis on engineering autonomy, architectural decision-making, and clean code.
Join Our Global Team: We invite you to apply for the position at RE Partners. Join us in shaping the future of business technology consulting and transforming the way organizations thrive in a digital world. As a diverse, woman-owned global business, we pride ourselves on keeping talent happy – our 7% attrition rate speaks volumes. Bring your talented friends along and earn a referral bonus.
Equal Opportunity Employer: We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.
Principal Java Engineer in Northampton employer: RE Partners
At RE Partners, we pride ourselves on being a fast-growing business and technology consultancy that values engineering excellence and innovation. Our hybrid work model in London fosters a collaborative and dynamic environment where employees are empowered to make architectural decisions and drive impactful projects. With a strong focus on employee growth, mentorship, and a remarkable 7% attrition rate, we offer a unique opportunity for talented individuals to thrive in a supportive and diverse workplace.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Java Engineer in Northampton
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online forums. The more people you know, the better your chances of landing that Principal Java Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving low-latency systems and microservices. This will give potential employers a taste of what you can bring to the table.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Be ready to discuss your experience with Java, SpringBoot, and cloud environments like AWS. Confidence is key!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Principal Java Engineer in Northampton
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Principal Java Engineer role. Highlight your experience with Core Java, SpringBoot, and any low-latency systems you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality and passion for the role. Share specific examples of your achievements in Java development and how you’ve contributed to high-performing teams. Let us know why you’re excited about joining our engineering culture!
Showcase Your Projects:If you’ve worked on any relevant projects, especially in payments processing or with microservices, make sure to mention them. We love seeing real-world applications of your skills, so don’t hold back on the details!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen to join our team at RE Partners!
How to prepare for a job interview at RE Partners
✨Know Your Java Inside Out
Make sure you brush up on your Core Java and SpringBoot skills. Be ready to discuss performance optimisation techniques and how you've implemented them in past projects. This role demands a deep understanding of low-latency systems, so prepare to share specific examples of your experience.
✨Showcase Your Problem-Solving Skills
During the interview, be prepared to tackle real-world scenarios related to payments processing. Think about how you would design scalable, real-time services and be ready to explain your thought process. This will demonstrate your ability to 'Get Shit Done' and think critically under pressure.
✨Familiarise Yourself with the Tech Stack
Since this role involves working with AWS, Red Hat OpenShift, and MongoDB, make sure you have hands-on experience or at least a solid understanding of these technologies. Be ready to discuss how you've used them in previous roles and how they can be leveraged for high-throughput applications.
✨Emphasise Collaboration and Communication
This position requires working closely with DevOps, Product, and QA teams. Highlight your experience in collaborative environments and how you've successfully driven architectural changes. Show that you can advocate for best practices while also being open to feedback and new ideas.
