At a Glance
- Tasks: Lead the design and development of scalable backend services and optimize secure APIs.
- Company: Fast-growing tech consultancy with a focus on digital transformation.
- Benefits: Competitive salary, diverse culture, and referral bonuses for bringing friends.
- Other info: Join a diverse, woman-owned team with excellent career growth opportunities.
- Why this job: Make impactful engineering decisions in a high-stakes environment with top-tier clients.
- Qualifications: Expertise in Java, React, and hands-on experience with LLMs.
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’re hiring a Principal Full-Stack Engineer to join one of the largest banking institutions in the U.S. - a highly complex, high-impact environment where engineering decisions truly matter. This role is ideal for someone who combines deep backend expertise in Java with strong frontend capabilities in React, and hands-on experience working with LLMs (Claude preferred).
What you’ll be doing:
- Lead the design and development of scalable backend services in Java (Spring Boot)
- Build and optimize secure, high-performance APIs
- Contribute to and guide React-based frontend architecture
- Work hands-on with LLM/AI technologies (Claude or similar), integrating them into real-world applications
- Drive best practices across code quality, architecture, and performance
- Mentor engineers and support UI developers in delivering high-quality solutions
- Partner with stakeholders to translate business needs into technical execution
- Contribute to system design discussions, code reviews, and continuous improvement
What we’re looking for:
- Strong experience in Java backend development and server-side architecture
- Solid React experience on the frontend
- Hands-on experience with LLMs / AI tools and practical implementation
- Experience designing and building scalable, distributed systems
- Strong understanding of APIs, databases, and performance optimization
- Proven ability to lead technically and mentor others
Nice to have:
- Experience with GraphDB, Scala, or complex data processing systems
- Exposure to cloud platforms (AWS, Azure, or GCP)
- Familiarity with CI/CD pipelines and DevOps practices
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 Full-Stack Engineer employer: RE Partners
At RE Partners, we pride ourselves on being a dynamic and inclusive employer that values innovation and collaboration. Our commitment to employee growth is reflected in our low attrition rate of just 7%, showcasing our supportive work culture and dedication to professional development. Join us in a fast-paced environment where your engineering expertise will directly impact major banking institutions, all while enjoying the benefits of a diverse, woman-owned company that truly cares about its people.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Full-Stack Engineer
✨Network Like a Pro
Get out there and connect with people in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works at RE Partners. 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 involving Java, React, and LLMs. This will give you an edge and show us what you can really do.
✨Ace the Interview
Prepare for technical interviews by brushing up on your coding skills and system design principles. Practice common interview questions related to backend and frontend development, and be ready to discuss your thought process.
✨Apply Through Our Website
Make sure to apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step!
We think you need these skills to ace Principal Full-Stack Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the Principal Full-Stack Engineer role. Highlight your Java and React expertise, as well as any hands-on experience with LLMs. We want to see how you fit into our world!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to tell us why you're passionate about this role and how your background aligns with our mission at RE Partners. Keep it engaging and personal – we love a good story!
Showcase Your Projects:If you've worked on relevant projects, don’t hold back! Include links or descriptions of your work that demonstrate your backend and frontend skills. We’re keen to see how you’ve tackled challenges and delivered results.
Apply Through Our Website:We encourage you to apply directly through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and ensure it lands in the right hands. Let’s get started!
How to prepare for a job interview at RE Partners
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Java, React, and LLMs. Brush up on your knowledge of Spring Boot and how to build scalable backend services. Be ready to discuss specific projects where you've implemented these technologies.
✨Showcase Your Problem-Solving Skills
Prepare to share examples of how you've tackled complex engineering challenges. Think about times when you optimised APIs or improved system performance. This will demonstrate your ability to 'Get Shit Done' in a high-impact environment.
✨Be Ready to Mentor and Collaborate
Since the role involves mentoring others, think of instances where you've guided junior engineers or collaborated with UI developers. Highlight your leadership style and how you support team growth, aligning with their value of 'Give a Shit'.
✨Understand the Business Context
Familiarise yourself with the banking sector and how technology drives business goals. Be prepared to discuss how you can translate technical solutions into business value, showing that you can 'Get Over Shit' and focus on what truly matters.
