Fullstack Developer (Node.js, TypeScript)
Description
We are a technology company that started its journey in 2008. Our main headquarters is located in the picturesque city of Poznań, nestled by the beautiful Malta lake. For more than 17 years, we have been assisting companies in developing and implementing innovative fintech solutions. Leveraging our expertise in areas such as blockchain, online payments, and more, our clients can invent and develop cutting-edge solutions and services that keep them at the forefront of innovation.
FULLSTACK DEVELOPER
B2B: 80-100 PLN / hour
START - 1 JULY
TERM - 6 WEEKS
LOCATION: POLAND (REMOTE)
*We offer a hybrid work model, allowing you to balance office presence with remote work. However, it's important to note that the role emphasizes a stronger presence in the office to foster teamwork and effective communication.
Requirements
Key Duties and Services: A Roadmap to Your Professional Success
Your Mission: We are looking for a Fullstack Developer (Node. js + TypeScript) to join a fintech project focused on building a regulated digital capital market platform. The system supports investor onboarding, KYC/AML verification, investor classification, access control, audit logging, and digital wallet infrastructure. You will work closely with senior engineers and architects to build scalable backend services and integrations with fintech and blockchain-related providers.
Scope of services:
Developing and maintaining backend services using Node. js + TypeScript
Building and extending REST APIs for onboarding, authentication, and user management
Integrating external KYC/AML and identity verification providers
Implementing business logic for investor classification and access control
Creating and maintaining database models using Prisma ORM
Writing unit and integration tests (Jest, Supertest)
Participating in code reviews and technical discussions
Collaborating with frontend, mobile, QA, and product teams
Supporting code quality, security, and system reliability
Here’s the set we are required:
3+ years of commercial experience with Node. js backend development
Strong knowledge of TypeScript
Experience building REST APIs and backend systems
Experience with NestJS or similar frameworks
Experience with Prisma ORM or similar
Understanding of authentication & authorization concepts
Familiarity with relational databases
Experience writing automated tests (Jest, Supertest or similar)
Strong understanding of clean code principles and best practices
Good communication skills and English for daily cooperation
Nice to have:
Experience with class-validator / DTO-based validation
Familiarity with GraphQL (Apollo)
Experience in fintech / banking / regulated environments
Knowledge of KYC/AML processes
Exposure to blockchain, wallets, or digital assets
Career Advancement at Your Fingertips: Explore Opportunities with Us
By joining us you will get:
Work on a modern fintech platform with real regulatory requirements
Collaboration with experienced senior engineers and architects
Opportunity to work with KYC/AML, identity systems, and fintech integrations
Influence on system design and backend architecture decision
A strong engineering culture focused on quality, security, and scalability
Navigating the Hiring Process: What does the recruitment process for that position look like?
HR Screening with Talent Acquisition Specialist (30 min)
Technical Interview (60 min)
Interview with Delivery Manager (30 min)
Job Offer

Espeo Software
Espeo Software is a Poland-based product engineering and consulting partner focused on fintech, payments, digital banking, and blockchain. We support regulated organisations with strategic advisory, solution architecture...Fullstack Developer (Node.js, TypeScript)
Fullstack Developer (Node.js, TypeScript)