Senior Backend Engineer - TypeScript, APIs & Remote

AgileEngine, LLC.; Szczecin; Hybrid; PLN 433,000 - 551,000; Full time

Benefits offered by this job

Professional growth

Competitive USD pay

Exciting projects

Flextime

Remote/office options

Job summary

AgileEngine, LLC. is hiring a Senior Backend Engineer to build and scale the backend of a high-traffic gaming companion site. The role requires 5+ years of backend development with TypeScript on Node.js, and daily use of AI coding tools, with upper-intermediate English.

You will design APIs, work with PostgreSQL/MySQL, manage Redis cache, and deploy via Docker/Kubernetes, collaborating in a fast-paced startup-style environment.

Qualifications

• 5+ years backend development with TypeScript on Node.js.
• Strong knowledge of TypeScript type system (generics, inference, discriminated unions).
• Schema validation experience (Zod or similar).
• Strong SQL skills with PostgreSQL and/or MySQL including live migrations.
• Experience with analytical databases (ClickHouse preferred).
• Experience designing caching with Redis and HTTP cache headers.
• Experience designing and consuming REST and GraphQL APIs with auth and rate limiting.
• Experience with background jobs and message queues (NATS).
• Experience with high-volume production apps and moving a product to production.
• Proficiency with agentic AI coding tools (Claude Code, Cursor or similar).
• Frontend exposure reading/changing React code and working in startups.

Responsibilities

• Build and maintain REST and GraphQL APIs in TypeScript (Fastify, Hono) for user profiles, subscriptions and game data.
• Design schemas and write queries for PostgreSQL and MySQL (Prisma, Drizzle).
• Run ClickHouse analytics pipelines: request logs, metrics, dashboards.
• Own the cache layers end to end: Redis stores, cache, CDN purges.
• Build and run scheduled jobs and queue consumers (NATS) for data sync and leaderboards.
• Integrate third-party APIs (Stripe, Discord, Blizzard, IGDB, Steam, YouTube).
• Process game images into map tiles and sprite sheets.
• Keep responses lean for Remix/Next.js for performance and SEO.
• Deploy through Docker, GitHub Actions and Kubernetes.
• Support high-traffic game launches including outside hours.

Skills

TypeScript backend

Node.js

API design

SQL mastery

Redis caching

English proficiency

AI coding tools

agile mindset

Tools

Prisma

Drizzle

PostgreSQL

MySQL

Redis

GraphQL

Job description

AgileEngine, LLC. is hiring a Senior Backend Engineer to build and scale the backend of a high-traffic gaming companion site. The role requires 5+ years of backend development with TypeScript on Node.js, and daily use of AI coding tools, with upper-intermediate English.

You will design APIs, work with PostgreSQL/MySQL, manage Redis cache, and deploy via Docker/Kubernetes, collaborating in a fast-paced startup-style environment.