Technical Lead (TypeScript/Next.js)

About the Position

Impressit is looking for a Senior Full-Stack/Technical Lead to join a cross-functional product team building a modern, AI-powered, white-label SaaS platform for community, membership, events, and networking organizations. This is a great opportunity to take ownership of the product's technical direction and architecture while working with a modern technology stack and an international team.

Responsibilities

• Own and evolve the white-label and multi-tenant architecture, including theming, tenant configuration, feature flags, and tenant isolation
• Architect and lead development of a scalable Next.js application using App Router, Server Components, Server Actions, and feature-based architecture
• Build type-safe backends with tRPC and Zod and integrate them with React Query
• Design and manage PostgreSQL schemas with Drizzle ORM, including vector search and AI-driven features using pgvector/pgai
• Develop accessible and reusable forms, chat interfaces, and UI components with React Hook Form, TailwindCSS, and shadcn/ui
• Implement efficient client-side data flows with React Query and high-performance interfaces with TanStack Virtual
• Integrate AI capabilities using OpenAI and the AI SDK, including streaming responses, tool calling, and RAG workflows
• Implement secure authentication and authorization with Keycloak/OIDC and NextAuth/Auth.js, including RBAC
• Drive application security best practices across frontend, backend, and APIs
• Own CI/CD, automated database migrations, Azure infrastructure, observability, logging, tracing, and performance monitoring
• Oversee Salesforce data flows and bi-directional synchronization
• Set engineering standards, lead code reviews, and contribute to architecture and design decisions
• Mentor engineers and work closely with Product, Design, and Engineering teams to deliver new features
• Ensure the platform remains scalable, secure, reliable, performant, and maintainable

Requirements

• 5+ years of commercial experience as a Full-Stack Engineer, including technical or team leadership experience
• Expert-level proficiency in Next.js, including App Router, Server Components, Server Actions, and scalable architecture
• Strong experience with TypeScript, React, and feature-based architecture
• Understanding of multi-tenant and white-label architecture, including theming, configuration, feature flags, and tenant isolation
• Deep experience with tRPC and Zod, including validation, middleware, authorization, and error handling
• Strong experience with PostgreSQL and Drizzle ORM, including schema design, migrations, optimization, and vector search with pgvector/pgai
• Advanced experience with React Query, including caching, optimistic updates, and background synchronization
• Experience with React Hook Form, TanStack Virtual, TailwindCSS, and shadcn/ui
• Hands-on experience integrating AI features using OpenAI and/or the AI SDK, including streaming and RAG workflows
• Solid experience with Keycloak/OIDC and NextAuth/Auth.js, including RBAC
• Strong knowledge of web security best practices, including XSS/CSRF prevention, secure sessions, rate limiting, and secret management
• Experience with CI/CD, automated migrations, logging, tracing, observability, and performance monitoring
• Experience with Azure and external API integrations
• Proven ability to define engineering standards, mentor engineers, and ensure scalability and maintainability
• Strong Computer Science fundamentals, including data structures, OOP, and system design
• Excellent problem-solving, debugging, and communication skills
• Upper-Intermediate or higher level of English

Nice to Have

• Previous experience building AI-powered SaaS products
• Experience with RAG, embeddings, vector search, or AI agents
• Production experience with pgvector/pgai
• Experience with Salesforce APIs and CRM integrations
• Experience with Docker and GitHub Actions
• Experience with advanced performance profiling and observability tooling
• Previous work on integration-heavy, B2B SaaS, community, marketplace, or membership products
• Passion for clean code, developer experience, scalable architecture, accessibility, and end-user quality

We Offer

• Professional education & training budget
• 24 working days of paid vacation
• WOW team-building events
• Paid sick leave

About the Company

We are passionate about everything we do - and we back the people who do it.

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