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 and client success.
- Benefits: Hybrid work model, competitive salary, and a supportive, diverse culture.
- Other info: Diverse, woman-owned company with a low attrition rate and referral bonuses.
- Why this job: Join a team shaping the future of business technology and make a real impact.
- Qualifications: 10+ years in Java development, strong cloud experience, and payments processing knowledge.
The predicted salary is between 80000 - 100000 € per year.
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.
- Design, develop, and optimize low-latency, high-throughput backend systems using Java.
- 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 performance tuning, fault tolerance, and observability improvements across services.
10+ years of experience in Java development with a focus on performance and memory optimization.
- Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
- Prior experience in Payments Processing, financial services, or banking systems.
- Exposure to container security and performance tuning on OpenShift.
- Hybrid work model in London, UK.
- Collaborative, fast-paced, and engineering-driven culture.
- Emphasis on engineering autonomy, architectural decision-making, and clean code.
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.
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 Engineer - Java employer: RE Partners
As a fast-growing business and technology consultancy, we offer an exceptional work environment that prioritises engineering autonomy and collaboration. Our hybrid model based in London allows for flexibility while working on cutting-edge projects in the payments processing domain, providing ample opportunities for professional growth and development. With a strong emphasis on employee satisfaction reflected in our low attrition rate, we are committed to fostering a diverse and inclusive culture where every team member can thrive.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Engineer - Java
✨Network Like a Pro
Get out there and connect with folks in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works at your dream company. Building relationships can open doors that a CV just can't.
✨Show Off Your Skills
Don’t just talk about your experience; demonstrate it! Create a portfolio showcasing your projects, especially those related to Java and performance optimisation. This gives potential employers a taste of what you can bring to the table.
✨Ace the Interview
Prepare for technical interviews by brushing up on your Java knowledge and system design skills. Practice common interview questions and consider mock interviews with friends or mentors to build confidence.
✨Apply Through Our Website
We love seeing applications come through our website! It shows you're genuinely interested in joining our team. Plus, it’s the best way to ensure your application gets the attention it deserves.
We think you need these skills to ace Principal Engineer - Java
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 relevant projects in payments processing. We want to see how your skills align with what we do!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Share your passion for performance and collaborative engineering culture. Let us know why you’re excited about joining our team and how you can contribute to our success.
Showcase Your Achievements:Don’t just list your responsibilities; showcase your achievements! Use metrics to demonstrate how you’ve optimised systems or improved performance in past roles. We love seeing tangible results!
Apply Through Our Website:We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss out on any important updates from us. We can’t wait to hear from you!
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 applied them in past projects. Prepare examples that showcase your expertise in building low-latency, high-throughput systems.
✨Familiarise Yourself with Financial Systems
Since the role focuses on payments processing, it’s crucial to understand the messaging standards and protocols used in financial transactions. Research common challenges in this domain and be prepared to share your insights or experiences related to banking systems.
✨Show Off Your Cloud Skills
With a strong emphasis on AWS services, make sure you can talk about your experience with ECS, EKS, Lambda, and S3. Think of specific instances where you deployed, monitored, or scaled applications in cloud environments, and be ready to discuss any performance tuning you've done.
✨Emphasise Collaboration and Autonomy
This company values a collaborative yet opinionated engineering culture. Be prepared to discuss how you've worked with cross-functional teams like DevOps, Product, and QA. Share examples of how you’ve driven architectural decisions and maintained clean code in your previous roles.
