At a Glance
- Tasks: Lead the design and development of scalable backend services and optimize secure APIs.
- Company: Join a leading U.S. banking institution with a focus on innovation.
- Benefits: Competitive salary, diverse workplace, and opportunities for mentorship and growth.
- Other info: Be part of a diverse, woman-owned global team with a low attrition rate.
- Why this job: Make impactful engineering decisions in a high-stakes environment while working with cutting-edge technologies.
- Qualifications: Strong Java and React experience, plus hands-on LLM/AI skills.
The predicted salary is between 80000 - 100000 € per year.
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 (Java,React,LLMs) employer: RE Partners Consulting
At RE Partners, we are committed to fostering a dynamic and inclusive work environment where innovation thrives. As a Principal Full-Stack Engineer, you will not only lead impactful projects in a major banking institution but also benefit from our strong focus on employee growth, mentorship opportunities, and a supportive culture that values diversity. With a remarkable 7% attrition rate, we ensure that our team members feel valued and engaged, making this an exceptional place to advance your career.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Full-Stack Engineer (Java,React,LLMs)
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work at the company you're eyeing. A friendly chat can sometimes lead to insider info or even a referral.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects that highlight your Java and React expertise, make sure to share it. Real-world examples of your work can set you apart from the crowd.
✨Tip Number 3
Prepare for the interview by brushing up on your technical knowledge and soft skills. Practice common coding challenges and be ready to discuss how you've tackled complex problems in past roles.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Principal Full-Stack Engineer (Java,React,LLMs)
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with Java, React, and LLMs. We want to see how your skills match the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about this role and how your background makes you a perfect fit. We love seeing passion and personality!
Showcase Your Leadership Skills:Since this is a Principal role, we’re keen on your leadership experience. Mention any mentoring or guiding roles you've had in previous positions, as we value collaboration and knowledge sharing.
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’s super easy!
How to prepare for a job interview at RE Partners Consulting
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Java, React, and LLMs. Brush up on your Spring Boot knowledge and be ready to discuss how you've built scalable backend services and optimised APIs. Prepare examples of your past projects that showcase your expertise.
✨Showcase Your Leadership Skills
Since this role involves mentoring and guiding others, think of specific instances where you’ve led a team or influenced technical decisions. Be prepared to discuss how you approach code reviews and drive best practices in engineering.
✨Understand the Business Context
Familiarise yourself with the banking industry and the specific challenges it faces. Be ready to explain how your technical skills can translate into solving real-world business problems, especially in a high-impact environment.
✨Prepare for Technical Questions
Expect to dive deep into technical discussions during the interview. Practice coding challenges and system design questions related to distributed systems and API performance. This will help you demonstrate your problem-solving skills effectively.
