We are looking for a Full-stack Developer to join long-term cooperation on modern, product-focused projects delivered for US-based clients. The systems we build are strongly driven by business logic, data accuracy, complex forms, and scalable architecture.

The projects include platforms for cost estimation and pricing, multi-tenant systems, data-driven operational platforms, and solutions with real social impact. All projects are developed in a full-stack approach using Next.js and TypeScript.

Scope of work

• Building features in Next.js (UI + API/server actions + database).
• Working with complex, multi-step forms with conditional logic and validation.
• Implementing and maintaining business logic.
• Designing and developing PostgreSQL database schemas.
• Working with ORM (Prisma / Drizzle).
• Collaboration in small, product-oriented teams (2–6 people).
• Regular communication with the client in English, supported by a PM.

Must-have

• TypeScript (strict) – strong comfort with types and refactoring.
• React + Next.js – production experience.
• Forms and validation (React Hook Form + Zod or equivalent).
• PostgreSQL + ORM (Prisma / Drizzle).
• Practical approach to quality: code reviews, tests where they make sense, focus on stability.
• Ability to deliver features end-to-end independently.
• Fluent English, spoken and written.
• Openness to using AI in daily coding work.

Strong plus

• Multi-tenant / RBAC / auth (e.g. Clerk or similar).
• Queues / job processing (BullMQ or similar).
• Tailwind + shadcn/ui / Radix / Headless UI, accessibility (a11y).
• CI/CD (GitHub Actions), basic deployment and environment maintenance.
• Terraform.
• Charts (Recharts / Chart.js), integrations such as Twilio.
• Domain experience: e-commerce, inventory, warehouse, pricing / cost estimation systems.

AI-supported coding

We use AI tools for:

• faster prototyping and refactoring,
• exploring solutions and trade-offs,
• generating tests and boilerplate,
• as a thinking sparring partner.

We expect a critical approach: you verify, understand and adjust the generated code.

Expectations by level

Mid

• 2–3+ years of commercial experience with TS/React/Next.
• Ability to deliver complete features.
• Strong handling of complex forms and conditional logic.
• Solid SQL basics and understanding of data modeling.
• Growth mindset and independence.

Senior

• Experience leading at least two Next.js projects from start to production, or owning large modules.
• Designing multi-tenant solutions and making architectural trade-offs.
• Ability to work with unclear requirements.
• Strong backend understanding: Postgres, ORM, APIs, job processing.
• Comfortable communication with business stakeholders.

Projects

The projects are greenfield or MVP-stage, with clearly defined business domains, documented architecture, and real users. We work on systems:

• with complex business and calculation logic,
• built as multi-tenant platforms,
• focused on data quality, stability and scalability,
• developed in close cooperation with US-based clients.

Cooperation model

• Rate: 100-150 PLN/hour B2B, depending on level.
• Client: USA.
• Work mainly in Polish time zone with overlap until approx. 5:30 PM CET.
• Communication: meetings, async updates, documentation.
• Project length: 3–6 months with possible extension.