Senior Software Engineer

About the Role

TulipTech is looking for a highly skilled Senior Software Engineer to join our growing UK team. You'll play a key role in designing, building, and scaling modern web applications using cutting-edge technologies.

This is an onsite position for someone who enjoys collaborating closely with cross-functional teams and contributing to high-impact projects.

Key Responsibilities

· Design, develop, and maintain scalable applications

· Build robust backend services and APIs

· Develop modern, high-performance applications

· Write clean, maintainable, and strongly typed code using TypeScript

· Collaborate with product, design, and engineering teams to deliver high-quality features

· Optimize applications for speed, scalability, and responsiveness

· Contribute to architectural decisions and technical strategy

· Mentor junior engineers and promote engineering best practices

The Stack

NestJS on Fastify, TypeScript, TypeORM (PostgreSQL), Redis, AWS (S3, SQS, SES, Scheduler), Ably / Socket.IO, Supabase, Sentry, PostHog, Jest

Next.js, React, TypeScript, Turborepo + Bun, Ant Design, Tailwind CSS, React Query, Zustand, React Hook Form, Zod

Required Skills & Experience

· 5+ years of experience in software development

· Strong expertise in Node.js

· Deep experience with React and Next.js

· Proficiency in TypeScript

· Hands-on experience with:

· NestJS

· PostgreSQL + an ORM (TypeORM / Prisma)

· Redis for caching & pub/sub

· AWS services (S3, SQS, SES, Scheduler)

· Tailwind CSS and a UI library (Ant Design / MUI / similar)

· React Query (TanStack Query) and Zustand

· Solid understanding of REST APIs, system design, and web architecture

· Experience with caching, queues, and event-driven patterns at scale

· Track record of designing systems, not just implementing tickets

· Experience with version control systems (Git)

· Strong problem-solving and debugging skills

Nice to Have

· Experience working in monorepo architectures

· Familiarity with CI/CD pipelines and cloud platforms

· Production experience with realtime (Ably / Socket.IO / WebSockets)

· Observability tooling (Sentry, PostHog, or similar)

· Multi-tenant SaaS with organization/branch scoping

What We Offer

· Competitive salary (£55,000 – £60,000)

· Opportunity to work with modern technologies and tools

· Collaborative and growth-oriented work environment

· Career progression opportunities within a scaling tech company

How to Apply

• Send your CV, GitHub/portfolio, and a short note about a system you've designed and shipped to [email protected]