Principal Full-Stack Engineer (Java,React,LLMs)
Principal Full-Stack Engineer (Java,React,LLMs)

Principal Full-Stack Engineer (Java,React,LLMs)

Full-Time 80000 - 100000 £ / year (est.) No home office possible
RE Partners Consulting LLC

At a Glance

  • Tasks: Lead the design of scalable backend services and optimise high-performance APIs.
  • Company: Fast-growing tech consultancy with a focus on digital transformation.
  • Benefits: Competitive salary, flexible work options, and opportunities for professional growth.
  • Other info: Join a dynamic team that values innovation and collaboration.
  • Why this job: Make impactful engineering decisions in a complex, high-stakes environment.
  • Qualifications: Expertise in Java, React, and 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

Principal Full-Stack Engineer (Java,React,LLMs) employer: RE Partners Consulting LLC

At RE Partners, we pride ourselves on being an exceptional employer that fosters a dynamic and inclusive work culture, where innovation and collaboration thrive. Our commitment to employee growth is evident through tailored development opportunities and mentorship, ensuring that our team members are equipped to excel in their roles. Located within one of the largest banking institutions in the U.S., you will be part of a high-impact environment that values your contributions and empowers you to make meaningful engineering decisions.
RE Partners Consulting LLC

Contact Detail:

RE Partners Consulting LLC Recruiting Team

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, attend meetups, and engage with online communities. The more people you know, the better your chances of landing that Principal Full-Stack Engineer role.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Java, React, and LLMs. This will give potential employers a taste of what you can do and set you apart from the competition.

✨Tip Number 3

Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice coding challenges and be ready to discuss your past experiences in detail. Remember, they want to see how you 'Get Shit Done'!

✨Tip Number 4

Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it shows you’re genuinely interested in joining our team at RE Partners.

We think you need these skills to ace Principal Full-Stack Engineer (Java,React,LLMs)

Java
Spring Boot
React
LLMs (Claude preferred)
API Development
Backend Development
Frontend Architecture
Code Quality Best Practices
Performance Optimisation
Mentoring
Stakeholder Engagement
System Design

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Principal Full-Stack Engineer role. Highlight your Java and React expertise, as well as any experience with LLMs. We want to see how you can 'Get Shit Done' in a way that fits our needs!

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 past projects and how they relate to what we do at RE Partners. Remember, we love candidates who 'Give a Shit' about their work!

Showcase Your Problem-Solving Skills: In your application, don’t just list your skills—demonstrate how you've used them to solve real-world problems. We’re looking for someone who can 'Get Over Shit' and tackle challenges head-on, so share those success stories!

Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It helps us keep track of applications better and ensures you get noticed. Plus, it shows us you're serious about joining our team!

How to prepare for a job interview at RE Partners Consulting LLC

✨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 used these technologies in past projects. Being able to articulate your experience with specific examples will show that you’re not just familiar with the tech, but that you can truly leverage it.

✨Showcase Your Problem-Solving Skills

Prepare to discuss complex problems you've solved in previous roles, especially those involving backend services or API optimisation. Think about the challenges you faced, the decisions you made, and the outcomes. This will demonstrate your ability to 'Get Shit Done' in a high-impact environment.

✨Emphasise Collaboration and Mentorship

Since this role involves mentoring other engineers, be ready to share your experiences in guiding teams or collaborating with stakeholders. Highlight any instances where you’ve helped others grow or contributed to team success, as this aligns with the company’s values of 'Give a Shit'.

✨Prepare Questions That Matter

Think of insightful questions to ask your interviewers about their engineering practices, team dynamics, or future projects. This shows that you’re genuinely interested in the role and the company, and it gives you a chance to assess if they align with your own values and work style.

Principal Full-Stack Engineer (Java,React,LLMs)
RE Partners Consulting LLC

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