Principal Software Engineer in England

Principal Software Engineer in England

England Full-Time 80000 - 100000 € / year (est.) No home office possible
RE Partners

At a Glance

  • Tasks: Lead the design and development of scalable backend services and optimise 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 supportive team with a low attrition rate and excellent career growth.
  • Why this job: Make impactful engineering decisions at a major U.S. banking institution.
  • Qualifications: Expertise in Java, React, and hands-on experience with LLMs.

The predicted salary is between 80000 - 100000 € per year.

Hello from RE Partners! 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 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 Software Engineer in England 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.

RE Partners

Contact Detail:

RE Partners Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Software Engineer in England

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 Software 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 technical questions and coding challenges. Practice explaining your thought process clearly, as communication is key when working with stakeholders and mentoring others.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about joining our team at RE Partners.

We think you need these skills to ace Principal Software Engineer in England

Java
Spring Boot
React
LLMs
API Development
Backend Development
Frontend Architecture

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your Java and React expertise, as well as any hands-on experience with LLMs. We want to see how you can 'Get Shit Done'!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for the Principal Full-Stack Engineer role. Share specific examples of your past work and how it aligns with our mission at RE Partners.

Showcase Your Leadership Skills:Since this role involves mentoring and leading teams, make sure to highlight your leadership experiences. We love seeing how you've guided others in tech projects or contributed to team success in previous roles.

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 you’re keen on joining our global team!

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 be ready to discuss how you've used these technologies in past projects. Being able to speak confidently about your experience will show that you're the right fit for the role.

Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous roles and how you overcame them. Use the STAR method (Situation, Task, Action, Result) to structure your answers. This will demonstrate your ability to think critically and lead effectively in complex environments.

Engage with the Interviewers

Don’t just answer questions; engage in a conversation. Ask insightful questions about their current projects or challenges they face. This shows that you’re genuinely interested in the company and its goals, and it gives you a chance to highlight how you can contribute.

Demonstrate Leadership and Mentorship

Since this role involves mentoring others, be prepared to share examples of how you've guided junior engineers or contributed to team success. Highlight your leadership style and how you foster collaboration and growth within a team.