Fullstack Engineer

SEON is the leading fraud prevention system of record, catching fraud before it happens at any point across the customer journey. Trusted by over 5,000 global companies, we combine your company’s data with our proprietary real-time signals to deliver actionable fraud insights tailored to your business outcomes. We deliver the fastest time to value in the market through a single API call, enabling quick and seamless onboarding and integration. By analyzing billions of transactions, we’ve prevented $200 billion in fraudulent activities, showcasing why the world’s most innovative companies choose SEON.

A Fullstack Engineer in our organization brings strong software engineering expertise first but also comes with a strong mentoring mindset to support engineering teams and work closely with our engineering leadership. SEON relies on a product-led growth approach.

Join our ID Verification Team, responsible for a vital and growing product within SEON. We own the development of our ID verification services, encompassing multiple backend components, SDKs, and the relevant parts of our customer-facing platforms. As we evolve our currently beta product into a core part of SEON's fraud analysis suite, we are focused on continuous feature delivery and exploring innovative improvements to enhance our customers' fraud prevention workflows. Our work spans frontend development (React-based SDK and admin dashboard), backend and Lambda functions (Node.js), database design (Postgres + pgvector), and architecting solutions for intricate technical problems.

This is a Remote position and the ideal candidate will be based in the EU.

Requirements

WHAT YOU’LL DO:

• Contribute to our ID Verification team, which is growing to be an essential part of our fraud prevention solution
• Deliver high-quality NodeJS, TypeScript and React code with simplicity, performance, and scalability in mind
• Maintain & develop in NodeJS, TypeScript, React, NestJS, REST, RDBMS & backend of our applications
• Supporting, refining and suggesting improvements to the current codebase
• Providing expertise, reviewing pull requests of other team members suggesting improvements and best practices for the team
• Help during the whole Software Development Life Cycle including the design of new features and services
• Bring an engineering mindset,  you care about how things work, how they scale, and how they can be improved over time.

WHAT YOU’ll BRING:

• At least  3+ years experience in fullstack software engineering (NodeJS, TypeScript, React, REST, RDBMS, NOSQL)
• Agile & iterative mindset (end-to-end responsibility; you build it, you run it)
• Experience in API design and development, with an understanding of RESTful principles
• End to end ownership from product requirements, planning, implementation and rollout.
• Strong experience in automated tests
• Demonstrated ability to debug and troubleshoot issues across a distributed system
• Understanding of data modeling and querying, particularly in a relational database context
• Familiarity with security considerations in web applications and APIs
• Experience in containerization (Docker) and Kubernetes
• Excellent problem-solving skills
• English Language Proficiency
• Experience in AWS

(AMAZING IF YOU ALSO HAVE):

• Hands on experience with SDK development
• Hands on experience with ID Verification