Senior Full-Stack Engineer

Teckfinity; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Teckfinity is seeking a Senior Full-Stack Engineer to work remotely on our own product slices end-to-end using TypeScript, Next.js, Postgres, and infra. You will design APIs, write migrations, ship the UI, and own the on-call rotation for what you built, touching both frontend and backend with fast decision-making and minimal PM overhead.

We value 6+ years of production web app experience, deep TS or strong language in Python/Go/Rust, and comfort with SQL.

Qualifications

• 6+ years shipping production web apps.
• Deep TypeScript or strong second language (Python, Go, Rust).
• Comfortable with Postgres + Supabase / direct SQL.
• Have shipped at least one product where you owned both ends.
• Bonus: agent / LLM tool-use experience.

Responsibilities

• Design APIs and write migrations for end-to-end features.
• Ship the UI and own deployments from backend to frontend.
• Own the on-call rotation for the products you build.

Skills

TypeScript

API design

End-to-end ownership

On-call rotation

Python/Go/Rust

Tools

Postgres

Supabase

SQL

Next.js

Job description

# Senior Full-Stack EngineerEngineering Remote Full-timeOwn product slices end-to-end - TypeScript, Next.js, Postgres, infra. No middle layer.Apply for this roleEmail recruiter## The workYou will work alongside a small senior team building agentic products for our clients. Expect to design APIs, write the migrations, ship the UI, and own the on-call rotation for what you built.We do not split frontend and backend. You will touch all of it.You will not be PMed by committee. Specs are short. Decisions are fast.## What we're looking for* 6+ years shipping production web apps,* Deep TypeScript or strong second language (Python, Go, Rust),* Comfortable with Postgres + Supabase / direct SQL,* Have shipped at least one product where you owned both ends,* Bonus: agent / LLM tool-use experienceApply in 30 seconds## Apply for Senior Full-Stack EngineerJust name, email, and a few sentences about what you've shipped. Resume and links are optional.+ Add LinkedIn, portfolio, phone, or locationA founding engineer reads every application. Replies within one business week.Questions? Email [e-mail].