Senior Full-Stack Engineer (TypeScript)

Xperion; Pakistan; Remote; PKR 1,800,000 - 3,000,000; Full time

Job summary

Xperion is seeking a senior full-stack engineer to own end-to-end product features in TypeScript across React/Next.js and a typed backend. You will collaborate directly with client product and design to ship robust, accessible experiences.

You will design API surfaces, manage data models, and instrument metrics so the team can see impact. The role emphasizes shipping production-ready code with a strong eye for performance and Core Web Vitals.

Qualifications

• 7+ years building production web applications.
• Strong TypeScript across the stack with React/Next.js.
• Experience with relational data modeling and performant queries.
• Portfolio of shipped products.
• Direct, low-ego communication with non-engineers.

Responsibilities

• Build and ship full-stack features in TypeScript across React/Next.js and backend services.
• Own API design, types, error handling, and loading states.
• Instrument ship metrics to measure impact.
• Collaborate directly with client product and design.
• Maintain accessibility and Core Web Vitals as default.

Skills

Full-stack TypeScript

React/Next.js

Typed backend (Node)

Relational data modeling

Communication with non-engineers

Tools

PostgreSQL

REST/GraphQL

Job description

You are happiest owning a feature from the database to the pixel. You will join client engagements where the brief is real product work, not staff-augmentation seat-filling, and you will be expected to make product calls, not just take tickets.

What you will do

• Build and ship full-stack features in TypeScript across React/Next.js and typed backend services.
• Own the contract between front and back ends – API shape, types, error states, loading states.
• Instrument what you ship so the team can see whether it actually worked.
• Collaborate directly with client product and design, not through a relay.
• Hold a high bar on accessibility and Core Web Vitals as a default, not a follow-up.

What we are looking for

• 7+ years building production web applications, several of them full-stack.
• Deep TypeScript across the stack, with strong React/Next.js and a typed backend (Node, or polyglot).
• Fluency with relational data modelling and the query patterns that keep it fast.
• A portfolio of shipped product you can walk through and defend.
• Direct, low-ego communication with non-engineers.

Nice to have

• Experience wiring LLM features into product surfaces (streaming, evals, fallbacks).
• Comfort in a second framework (Vue/Nuxt, Svelte) for engagements that call for it.