At a Glance
- Tasks: Design and optimise high-performance backend systems using Java in a collaborative environment.
- 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 make an impact in the payments processing domain.
- 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 or US 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 London employer: MindMatch
At RE Partners, we pride ourselves on being a dynamic and inclusive employer that fosters a collaborative and high-performing engineering culture. Our hybrid work model in London allows for flexibility while empowering our team to make impactful architectural decisions and drive innovation in the payments processing domain. With a strong focus on employee growth and a remarkable 7% attrition rate, we are committed to nurturing talent and providing meaningful opportunities for professional development.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Java Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those related to low-latency systems and payment processing. 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. Practice common interview questions and be ready to discuss your experience with Java, SpringBoot, and cloud environments like AWS.
✨Tip Number 4
Don't forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Principal Java Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Principal Java Engineer role. Highlight your experience with Java, SpringBoot, and any relevant projects that showcase your skills in low-latency systems. We want to see how you fit into our engineering culture!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Share your passion for performance and your thoughts on opinionated design decisions. Let us know why you're excited about joining our team and how you can contribute to our success.
Showcase Your Projects:If you've worked on any impressive 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!
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!
How to prepare for a job interview at MindMatch
✨Know Your Java Inside Out
Make sure you brush up on your Core Java and SpringBoot skills. Be prepared to discuss performance optimisation techniques and how you've applied them in past projects. This role is all about low-latency, high-throughput systems, so having specific examples ready will show you're the right fit.
✨Showcase Your Architectural Knowledge
Since this position involves driving architectural changes, be ready to talk about your experience with microservices and RESTful APIs. Discuss any architectural decisions you've made in previous roles and how they impacted performance and scalability.
✨Familiarise Yourself with Financial Systems
If you have experience in payments processing or financial services, make sure to highlight it. If not, do some research on common messaging standards and protocols used in the industry, like ISO 20022 or SWIFT formats, to demonstrate your interest and understanding.
✨Prepare for Collaborative Discussions
This role thrives in a collaborative environment, so be ready to discuss how you've worked with cross-functional teams in the past. Highlight your communication skills and any mentorship experiences, as these will be key in a high-performing engineering culture.
