Suggested rewrite: Led a cross-functional initiative that improved [business outcome] by [measurable result], demonstrating experience relevant to this role...
Full Stack Software Engineer
- Remote from
- Europe
- Salary
- Undisclosed
- Department
- Software Engineering
- Employment
- Full Time
- Experience
- Senior
- Published
- Apply before
- 13 Dec 2026
- Listing views
- 17
- Application actions
- 0
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About this role.
About Wayflyer
Today’s small businesses need a capital provider that keeps pace with their growth ambitions. Traditional financing options are slow, cumbersome and often out of reach. That’s why we built Wayflyer.
Our technology allows us to assess businesses in minutes, generate financing offers that reflect their growth potential and send funds in as little as 24 hours. To date, we’ve deployed over $6bn to thousands of businesses worldwide, backed by Tier 1 banks like J.P. Morgan.
You’ll be collaborating with ambitious colleagues from around the world. We have offices in Dublin, London, New York, Charlotte, Berlin and Sydney.
The challenge
When a founder applies for funding, one flow carries them from application to money in their account – the processes that assess their business in minutes and the product experience that makes it feel effortless are all part of the same system. Our full stack engineers are the ones who can follow a feature all the way through: from the data model, to the API, to the screen a founder trusts with their business.
That doesn’t mean being equally deep everywhere. Most of our full stack engineers have a home base – backend or frontend – and range outward from it. We’re hiring for that shape.
What you’ll actually do
Own features end-to-end: shape solutions with product and design, build across the API and the UI, ship to production to create outcomes, not just deliver tickets
Lean into your specialism – whether that’s backend architecture, data modelling and performance, or frontend architecture, accessibility and user experience – and act as the go-to person for it on your team
Design and develop backend services using Python and Django, including the data models and RESTful APIs that power our financial products
Build high-quality, reusable frontend features using TypeScript and React
Write clean, testable code with strong test coverage across the stack (pytest on the backend; Storybook/Chromatic, Playwright and Vitest on the frontend)
Participate in code reviews on both sides of the stack in order to share knowledge and improve the quality of our solutions
Monitor and maintain production systems, ensuring reliability, performance and security
Who thrives here
You should be comfortable making and defending decisions about the experience you’re building, while remaining open to feedback and alternative approaches. You’ll need to balance technical excellence with business needs and help guide the team toward good solutions that elevate the experience as quickly as possible.
You excel at stakeholder management and can effectively communicate technical concepts to non-technical audiences. You’re proactive in identifying and addressing potential issues before they become problems. We look for candidates with most or all of the below traits that can point to real experience applying them.
Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience
5+ years of professional software engineering experience, with genuine depth – we’ll play to your strengths
Useful skills include a strong proficiency in Python and Django (or similar frameworks like FastAPI or Flask), SQL databases (preferably PostgreSQL), and API design — plus working proficiency in TypeScript and React and a real appetite to build product UI
We also value advanced proficiency in TypeScript and React, experience with modern frontend architectures, state management (e.g. TanStack Query) and design systems
Experience with AWS or similar cloud platforms
Experience with CI/CD pipelines (especially GitHub Actions) and a strong testing culture
Solid understanding of version control with Git
Understanding of security best practices and data protection
Strong problem-solving skills and attention to detail
Excellent communication abilities and proven track record of successful team collaboration
Given what we do, experience in financial services, fintech and business-to-business
organisations is particularly interesting to us.
We hire for range
What you’re like as a person and how you treat people is a big deal for us. People love working with you. You’re helpful and generous with your time and knowledge. People love helping you back. People know where they stand with you.
You’re always looking to learn and grow, on a personal and professional level. And you’re always looking to help others learn and grow by sharing your own knowledge and experience.
You know why diversity, equality, inclusion and belonging matters, and speak up when we can do better.
What this role could turn into
Our engineers here grow in whichever direction their interests pull them. Some deepen their specialism and move toward staff or principal tracks in specific technologies; some stay broad and take on architecture across whole product areas; others step into engineering management. Joining as a full stack engineer doesn’t mean giving up your specialism – it means choosing where to deepen it with more context.
Location and working policy
📍Remote in Europe
The good stuff
25 days off, plus public holidays. Equity – because you should own a piece of what you’re building. Generous parental leave for primary and secondary caregivers. 60 days a year to work abroad from wherever you want.
By submitting your application, you acknowledge that Wayflyer Limited will process your personal data for the purpose of evaluating your suitability for the role. Such processing is based on the need to take steps prior to entering into a potential employment agreement. To learn more about how we handle your personal data, you can contact our privacy team at privacy@wayflyer.com or review our privacy notice at https://wayflyer.com/privacy-notice.
Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›
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Core skills
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Sample interview questions
I would first clarify business rules, user journeys, risk constraints, and failure scenarios with product and relevant stakeholders. I would model the domain carefully, expose validated REST endpoints with clear authorization boundaries, and build a resilient React flow with explicit loading, error, and success states. I would add unit, integration, and end-to-end tests, instrument key events, and release progressively while monitoring outcomes.
I focus on clear domain boundaries, disciplined schema migrations, database indexing, query profiling, input validation, structured logging, and strong automated test coverage. I also use code review, CI checks, observability, secure secret handling, and incremental deployments to reduce operational risk.
I begin with the smallest maintainable design that supports the immediate user outcome, rather than introducing abstraction prematurely. Shared components, design-system conventions, typed API contracts, and server-state tools such as TanStack Query help maintain consistency without slowing delivery. I revisit architecture when repetition, performance, or team velocity provides evidence that deeper investment is justified.
I would assess impact and establish a timeline using metrics, traces, logs, and recent deployment history. I would isolate whether the bottleneck is in the browser, API, database, third-party dependency, or infrastructure, then mitigate user impact through rollback, feature controls, caching, or capacity changes as appropriate. After resolution, I would document the root cause, add preventive monitoring and tests, and share the learning with the team.
I explain the decision in terms of customer impact, delivery timing, operational risk, and future flexibility rather than implementation detail alone. I present a small number of viable options, state my recommendation clearly, and make assumptions and consequences explicit. This helps stakeholders participate in the decision while allowing the engineering team to retain accountability for technical execution.
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