Full-Stack Engineer

Story Terrace Inc.; Greater London; On-site; GBP 55,000 - 75,000; Full time

Job summary

A fintech company based in London is seeking a Full-Stack Engineer to develop intuitive user interfaces and robust backend services. You will work closely with leadership and cross-functional teams to enhance user experience and deliver secure solutions in a fast-paced environment. Ideal candidates should be proficient in TypeScript, React Native, NestJS, and familiar with AWS and secure coding principles. This role offers flexible benefits and opportunities for professional growth.

Benefits

Share Options

25 days annual leave

Visa Sponsorship

Private Medical Insurance

Free monthly Gym membership

Health & Wellness Budget

Learning & Development Budget

Season Ticket Loan Scheme

Cycle to Work Scheme

Qualifications

• Strong full-stack developer capable of building user interfaces and backend services.
• Proficient in TypeScript, React Native, and NestJS.
• Experienced with relational databases and design APIs.
• Knowledgeable about AWS, Docker, and CI/CD.
• Understand secure coding and data privacy principles.
• Collaborative and product-focused.

Responsibilities

• Design, implement, and maintain scalable applications.
• Develop rich, responsive front-end interfaces.
• Own and develop backend services and APIs.
• Collaborate with product, design, and operations teams.
• Drive improvements in code quality and system reliability.
• Lead best practices in testing and deployment.

Skills

Full-stack development

TypeScript

React Native

NestJS (Node.js)

Postgres

AWS (ECS, RDS)

Docker

Kafka

Secure coding

Collaboration

Job description

Full-Stack Engineer

About nsave

nsave is a fintech company headquartered in London. Founded by Amer Baroudi and Abdallah AbuHashem, our vision is to “Protect and grow the wealth of the financially excluded". We provide trusted USD accounts and an investment platform for individuals living in distressed economies, where inflation is high and banking systems are unstable. Our compliance-by-design approach and proprietary technology allow us to deliver these services securely and at scale.

To date, nsave has raised $22M from leading investors including Sequoia Capital, TQ Ventures, Y Combinator, and SV Angel. Our team has grown 200% in the last year, and with so much more ahead, we’re just getting started!

Learn more at www.nsave.com.

📍Location: Full-time, on-site role based in London (Shoreditch)

About the Role

As a Full-Stack Engineer at nsave, you’ll own features end-to-end, from crafting intuitive, performant user interfaces to designing the APIs and services that bring them to life. You’ll collaborate closely with our CTO, CEO, and design and engineering teams to deliver a seamless and trustworthy financial experience for our users across multiple regions.

Who you are

• A strong full-stack developer: Comfortable building both intuitive user interfaces and robust backend services.
• Tech-savvy: Proficient in TypeScript, React Native, and NestJS (Node.js)
• Database and API fluent: Experienced with relational databases (Postgres) and designing clean, efficient APIs.
• Cloud and DevOps aware: Knowledgeable about AWS (ECS, RDS/Postgres), Docker, and modern CI/CD pipelines.
• Messaging and integrations: Familiar with event-driven architectures and messaging systems like Kafka.
• Security-conscious: Understands secure coding and data privacy principles, ideally in fintech or other regulated environments.
• Collaborative and product-focused: You care about creating seamless user experiences as much as building performant systems.
• Curious and empathetic: Driven to use technology to solve real people’s problems.

How You’ll Make a Difference

• Build end-to-end solutions: Design, implement, and maintain scalable, secure, and high-performance applications across the stack.
• Create exceptional front-end experiences: Develop rich, accessible, and responsive interfaces that make financial management simple, transparent, and trustworthy.
• Power our backend ecosystem: Own and develop backend services and APIs, from authentication to banking and compliance integrations.
• Collaborate across teams: Work closely with product, design, and operations to turn user needs into technical solutions that have real impact.
• Elevate engineering standards: Drive improvements in code quality, developer experience, and system reliability.
• Balance speed with rigor: Iterate quickly while ensuring our systems meet the standards of a regulated fintech environment.
• Champion best practices: Lead the way in testing, observability, and deployment for full-stack systems.

nsave Values

Alongside technical excellence, we look for people whose values align with ours:

• Service - “Mission First”: We put the mission, our customers, and our team above self.
• Urgency - “Stay focused. Move fast”: We act with urgency and intention, concentrating on what matters most.
• Ownership - “Act as an Owner”: We take responsibility for outcomes end-to-end.
• Standards - “Pursue Excellence”: We hold ourselves to high personal standards and continuously improve.

Please apply only if you:

• Are deeply motivated by nsave’s mission and the problems we are solving
• Thrive in high-ownership, high-accountability environments
• Are comfortable operating with urgency and ambiguity
• Want to build from first principles in an early-stage, high-growth company

Employee Benefits

• nsave Share Options (subject to eligibility and plan rules)
• 25 days Annual leave (+ UK Public Holidays)
• Visa Sponsorship available
• Private Medical Insurance
• Free monthly Gym membership (via hussle)
• £500 GBP Health & Wellness Budget
• Individual Learning & Development Budget
• Season Ticket Loan Scheme
• Cycle to Work Scheme

nsave is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace and welcome applications from all backgrounds, identities, and experiences. We do not discriminate on the basis of age, gender, ethnicity, religion, sexual orientation, disability, or any other protected characteristic.