Senior Software Engineer - Team Lead
Senior Software Engineer - Team Lead

Senior Software Engineer - Team Lead

London Full-Time 48000 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead a team to design and deploy innovative fintech solutions using TypeScript and Node.js.
  • Company: Join a fast-growing crypto-fintech revolutionising business banking and payments globally.
  • Benefits: Enjoy 30 days of annual leave, private healthcare, and fully funded training opportunities.
  • Why this job: Be part of green-field projects with direct access to leadership in a dynamic work culture.
  • Qualifications: Senior software engineering experience with expertise in Node.js, TypeScript, and SQL required.
  • Other info: Flexible hybrid working options available in London, with competitive compensation up to £170,000.

The predicted salary is between 48000 - 72000 £ per year.

This range is provided by Harrington Starr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Harrington Starr

Associate Vice President @ Harrington Starr

Hybrid (London HQ)

The company

A high-growth crypto-fintech providing 24/7 business banking and payments across fiat and digital assets. You’ll join a rapidly scaling engineering team that’s building cloud-native micro-services in Google Cloud to keep money and crypto moving for institutional clients worldwide.

What you will get

  • 30 days’ annual leave + 4 wellbeing days
  • Private healthcare, income protection, life cover & enhanced parental leave
  • Fully funded training, certifications and conference budget
  • Hybrid in London with highly flexible WFH options
  • Clear promotion paths and regular salary reviews
  • Green-field projects and direct access to leadership in a flat structure
  • up to £170,000 total comp

What you will do

  • Design, build, test and deploy TypeScript / Angular / NestJS / NodeJS
  • Embed crypto rails (BTC, ETH, stablecoins) alongside multi-currency fiat services
  • Own the full SDLC with automated unit, integration and system tests in GitLab CI/CD
  • Collaborate with product and UX to turn complex fintech workflows into elegant, scalable features
  • Optimise SQL (MySQL/PostgreSQL) data models for high-throughput payments
  • Contribute to front-end Angular components where needed

What you will need

  • Senior level experience as a Software Engineer plus lead experience.
  • Production expertise with Node.js, TypeScript and distributed micro-service architectures
  • Strong SQL skills and a solid grasp of MySQL or PostgreSQL internals
  • Familiarity with Google Cloud (or AWS/Azure) and container orchestration (Kubernetes)
  • Competence in one additional language such as Go, C#, C++ or Java
  • Working knowledge of Angular or similar front-end frameworks
  • Background working in Web3 or Crypto

Find out more

If you would like to have a confidential conversation and find out more about this opportunity, then get in touch with Con Lam at Harrington Starr – 07367 446 935 or click on the apply button below

Seniority level

  • Seniority level

    Mid-Senior level

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Information Technology

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Senior Software Engineer - Team Lead employer: Harrington Starr

Join a dynamic and innovative crypto-fintech company that prioritises employee well-being and professional growth. With 30 days of annual leave, private healthcare, and fully funded training opportunities, you will thrive in a supportive hybrid work environment in London. Experience a flat organisational structure that encourages collaboration and direct access to leadership, making it an ideal place for ambitious software engineers looking to make a significant impact.
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Contact Detail:

Harrington Starr Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer - Team Lead

Tip Number 1

Familiarise yourself with the latest trends in crypto and fintech. Understanding the current landscape will not only help you during interviews but also demonstrate your genuine interest in the industry.

Tip Number 2

Showcase your leadership skills by discussing any previous experiences where you've led a team or project. Highlight how you managed challenges and drove successful outcomes, as this role requires strong team leadership.

Tip Number 3

Brush up on your technical skills, especially in Node.js, TypeScript, and SQL. Be prepared to discuss specific projects where you've used these technologies, as practical experience is crucial for this position.

Tip Number 4

Network with professionals in the crypto and fintech space. Engaging with others in the industry can provide valuable insights and potentially lead to referrals, increasing your chances of landing an interview.

We think you need these skills to ace Senior Software Engineer - Team Lead

Senior Software Engineering Experience
Team Leadership
Node.js Proficiency
TypeScript Expertise
Micro-service Architecture Knowledge
SQL Skills (MySQL/PostgreSQL)
Google Cloud Familiarity
Kubernetes Container Orchestration
Additional Programming Language Competence (Go, C#, C++, Java)
Angular or Similar Front-end Frameworks
Web3 or Crypto Background
Full Software Development Life Cycle (SDLC) Management
Automated Testing in GitLab CI/CD
Collaboration with Product and UX Teams
Optimisation of Data Models for High-Throughput Payments

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your senior-level experience as a Software Engineer and any leadership roles you've held. Emphasise your expertise in Node.js, TypeScript, and distributed micro-service architectures, as these are crucial for the role.

Craft a Compelling Cover Letter: In your cover letter, express your passion for fintech and crypto. Mention specific projects where you've designed and deployed cloud-native micro-services, and how your skills align with the company's goals.

Showcase Relevant Skills: Clearly list your technical skills, especially those mentioned in the job description, such as SQL proficiency, familiarity with Google Cloud, and knowledge of Angular or similar frameworks. Provide examples of how you've applied these skills in previous roles.

Highlight Team Collaboration: Since the role involves collaboration with product and UX teams, include examples of how you've successfully worked in cross-functional teams to deliver complex projects. This will demonstrate your ability to contribute effectively in a team lead position.

How to prepare for a job interview at Harrington Starr

Showcase Your Technical Skills

Be prepared to discuss your experience with Node.js, TypeScript, and micro-service architectures in detail. Bring examples of past projects where you've successfully implemented these technologies, as well as any challenges you faced and how you overcame them.

Demonstrate Leadership Experience

As a Team Lead, it's crucial to highlight your leadership skills. Share specific instances where you've led a team, mentored junior developers, or contributed to the growth of your team. This will show that you're not just a skilled engineer but also a capable leader.

Understand the Company’s Vision

Research Harrington Starr and their focus on crypto-fintech. Be ready to discuss how your skills align with their mission and how you can contribute to their goals. Showing genuine interest in the company will set you apart from other candidates.

Prepare for Problem-Solving Questions

Expect technical questions that assess your problem-solving abilities. Practice coding challenges or system design scenarios relevant to the role. This will help you demonstrate your analytical thinking and ability to tackle complex issues effectively.

Senior Software Engineer - Team Lead
Harrington Starr
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  • Senior Software Engineer - Team Lead

    London
    Full-Time
    48000 - 72000 £ / year (est.)

    Application deadline: 2027-08-11

  • H

    Harrington Starr

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