At a Glance
- Tasks: Lead the development of a fintech platform for small businesses, mentoring teams and guiding projects.
- Company: Join a mission-driven fintech transforming SME finance with innovative solutions for banks and lenders.
- Benefits: Enjoy remote work flexibility, 25+ days holiday, life assurance, and discounts with top retailers.
- Why this job: Shape product direction, build impactful tech, and mentor talented teams in a supportive culture.
- Qualifications: Must have 2+ years as a Principal Engineer with experience in SaaS platforms, preferably in fintech.
- Other info: Participate in London meetups and enjoy regular team socials while working remotely.
The predicted salary is between 48000 - 84000 £ per year.
Remote-first (UK-based) | London meetups | Hands-on Architecture | Team Leadership | Fintech for Good
We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by traditional finance. This company is changing that, helping banks and lenders make faster, smarter, fairer credit decisions using real-time financial data.
Already trusted by 80+ major banks and lenders, they are scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front.
- You’ll architect the core of the platform used by major UK banks and lenders
- Work across multiple product teams, mentoring, guiding, and building alongside them
- Remote-first with the flexibility to come together in London when it counts
- Guide cross-functional teams (frontend, backend, QA) with your experience and technical instincts
- Collaborate closely with product, design, and commercial teams to build solutions that actually solve real problems
- Mentor senior engineers and help scale a top-class team
- Help shape hiring, team growth, and long-term engineering strategy
Languages: Java, Kotlin, JavaScript
Frontend & Frameworks: React, Spring, Temporal
Databases: PostgreSQL, MongoDB
Cloud: AWS (heavy use), with IaC (Terraform)
Practices: TDD, CI/CD, clean architecture, pragmatic testing
Bonus Points: Data engineering or machine learning experience
A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level
You’ve built and scaled SaaS platforms — ideally in fintech or data-heavy domains
You care deeply about engineering craft, team health, and customer impact
Remote-first role with London-based meetups (office in Shoreditch) ~25 days holiday + public holidays ~ Life assurance (4x salary) ~ Pension contribution ~ Virtual GP & wellbeing support ~ Perks & discounts with top retailers (ASOS, Tesco, Amazon, etc.) ~ Referral bonus scheme ~ Regular socials & team events
If you are a Principal Engineer who loves shaping product direction, building great tech, and mentoring high-performing teams — this is your moment to lead from the front and make a difference.
Message me for a confidential chat or send over your CV — let’s talk.
BIM Engineer/Senior BIM Engineer/ Principal BIM Engineer employer: numi
Contact Detail:
numi Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land BIM Engineer/Senior BIM Engineer/ Principal BIM Engineer
✨Tip Number 1
Familiarise yourself with the fintech landscape, especially how small businesses interact with financial services. Understanding the unique challenges they face will help you demonstrate your passion for the mission during discussions.
✨Tip Number 2
Showcase your experience in building and scaling SaaS platforms by preparing specific examples of your past projects. Be ready to discuss how you’ve used Java, Kotlin, or JavaScript in these projects, as well as your approach to mentoring teams.
✨Tip Number 3
Highlight your leadership skills by discussing instances where you've guided cross-functional teams. Prepare to explain how you’ve collaborated with product, design, and commercial teams to deliver impactful solutions.
✨Tip Number 4
If you have experience with data engineering or machine learning, make sure to mention it. This could set you apart from other candidates and align well with the company's focus on using real-time financial data.
We think you need these skills to ace BIM Engineer/Senior BIM Engineer/ Principal BIM Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in fintech, SaaS platforms, and team leadership. Emphasise your technical skills in Java, Kotlin, and cloud technologies like AWS, as well as your experience with TDD and CI/CD practices.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for fintech and your understanding of the challenges small businesses face. Mention specific examples of how you've led teams or projects that align with the company's mission to improve credit decisions.
Showcase Your Technical Expertise: In your application, include specific projects or achievements that demonstrate your architectural skills and experience with data-heavy domains. Highlight any mentoring roles you've taken on and how you've contributed to team growth.
Express Your Interest in Company Culture: Mention your enthusiasm for remote-first work and collaboration during London meetups. Show that you value team health and customer impact, aligning with the company's mission-driven approach.
How to prepare for a job interview at numi
✨Showcase Your Technical Expertise
Be prepared to discuss your experience with the specific technologies mentioned in the job description, such as Java, Kotlin, and AWS. Highlight any projects where you've successfully implemented these technologies, especially in a fintech or data-heavy context.
✨Demonstrate Leadership Skills
As a Principal Engineer, you'll be expected to lead and mentor teams. Share examples of how you've guided cross-functional teams in the past, focusing on your approach to team dynamics and fostering a collaborative environment.
✨Emphasise Problem-Solving Abilities
The company is focused on solving real problems for small businesses. Prepare to discuss how you've tackled complex challenges in previous roles, particularly those that required innovative solutions in a fast-paced environment.
✨Align with Company Values
Research the company's mission and values, especially their commitment to 'fintech for good'. Be ready to articulate why you resonate with their goals and how you can contribute to their mission of supporting small businesses.