Full Stack Engineer

Full-Stack Engineer Experience: 3–5 Years Level: Mid-Level Location: Lahore Work Mode: On-site Tech Stack: Flutter + NestJS + PostgreSQL About the Role We are looking for a Full-Stack Engineer with 3–5 years of production experience who can take ownership of features end-to-end across mobile, backend, web/admin tooling, testing, and infrastructure. This role requires strong backend and SQL fundamentals, production Flutter experience, and the ability to work independently on systems where correctness, reliability, and server-side validation are critical. What You’ll Own You will own complete vertical slices of features, including: Mobile screens and user-facing functionality Backend APIs and feature modules Wallet and reward use cases Server-side validation and business rules Admin and internal tooling Database migrations Automated tests Background workers and queues Monitoring and alerts Store releases Mobile Development Work with: Flutter 3.11 Riverpod go_router Dio AppLovin MAX Firebase You will be responsible for building production-quality mobile features, integrating ad SDKs, and supporting App Store / Play Store releases. Backend Development Work with: NestJS 11 TypeScript TypeORM PostgreSQL 18 Redis BullMQ Jest You will build and maintain feature modules, APIs, wallet/reward functionality, fraud rules, workers, database migrations, and automated tests. Web & Admin Work with: Next.js 16 React 19 Tailwind 4 Vercel You will contribute to the marketing site and internal admin console, including functionality such as: User lookup Withdrawal review Partner configuration Internal operational tooling Infrastructure This is not a dedicated DevOps role , but you will be expected to ship and maintain your own infrastructure-related changes. You should be comfortable reading and extending: Terraform AWS RDS ElastiCache CloudWatch This includes adding or maintaining monitoring and alerts when required. What We’re Looking For Must Have 3–5 years of experience shipping production software that you have owned. Strong experience with server-side TypeScript and a typed ORM. Strong SQL skills and the ability to write queries independently and read a query execution plan. Production experience with Flutter , or strong native mobile development experience with the ability to ramp up quickly in Dart. Working knowledge of React for building internal tools and interfaces. Experience writing automated tests alongside the feature being developed. Strong written English and ability to communicate technical decisions clearly. Ability to work independently and take ownership of features from implementation through delivery. Nice to Have Experience with any of the following will be a strong advantage: Payments, ledgers, payouts, and reconciliation Ad mediation SDKs or attribution Fraud and abuse prevention, including fingerprinting and velocity limits Redis and production queue systems Terraform and AWS App Store / Play Store review and release processes How We Work We value engineering discipline, ownership, and verifiable outcomes. Our development approach includes: Plan before coding and define a verifiable outcome. Use Clean Architecture with clearly defined boundaries. Write tests alongside features. Use real PostgreSQL and Redis in testing where appropriate. Review money-related paths twice. Maintain one owning document for each important contract. Keep commits small and focused. Provide clear and honest summaries of completed work.