Senior Full-Stack Tech Lead — Visa Sponsorship, Onsite SF

Remotestar; Cambourne; On-site; GBP 155,000 - 237,000; Full time

Benefits offered by this job

Visa sponsorship / H-1B transfer

Relocation assistance

Travel reimbursement for interviews

Job summary

Remotestar is seeking a Senior Full-Stack Software Engineer / Technical Lead to join a hands‑on engineering leadership team in San Francisco (in office). You will work directly with founders to define architecture and drive delivery of a secure, scalable product handling real‑money movement at international scale.

You will own backend, web, mobile, infrastructure, security, and data decisions, mentoring engineers and setting engineering standards while collaborating with Product and Design to

Qualifications

• 7–10 years of experience building and shipping consumer‑facing mobile and/or web products.
• Meaningful full‑stack breadth, with strong backend foundations and enough frontend/mobile knowledge to lead cross‑platform discussions.
• Strong system design and architecture experience across APIs, distributed systems, databases, scalability, and reliability.
• Hands‑on technical leadership experience: architecture reviews, technical decision‑making, mentoring, code reviews, and engineering standards.
• Strong PostgreSQL fundamentals, including data modeling, transaction handling, query optimization, and scale.
• Experience with AWS and modern cloud engineering practices such as containers, CI/CD, monitoring, deployment pipelines, and security.
• Strong communication skills and the ability to work directly with founders, engineers, and product teams.

Responsibilities

• Define and evolve system architecture across backend, web, mobile, infrastructure, security, and data.
• Build and ship a high-quality consumer financial product from the ground up.
• Make technical trade‑offs around scalability, latency, reliability, compliance, data integrity, and security.
• Set engineering standards for architecture, code quality, testing, CI/CD, monitoring, and production reliability.
• Mentor engineers, review technical decisions, and help grow a high‑performing engineering team.
• Partner closely with Product, Design, Operations, and the founders to translate product goals into technical execution.
• Own outcomes across multiple layers of the stack rather than operating as a narrow frontend or backend specialist.

Skills

Team leadership

System design

Cloud engineering

Communication

Tools

Python

FastAPI

Go

Java

React

TypeScript

PostgreSQL

AWS

Docker

CI/CD

Job description

Remotestar is seeking a Senior Full-Stack Software Engineer / Technical Lead to join a hands‑on engineering leadership team in San Francisco (in office). You will work directly with founders to define architecture and drive delivery of a secure, scalable product handling real‑money movement at international scale.

You will own backend, web, mobile, infrastructure, security, and data decisions, mentoring engineers and setting engineering standards while collaborating with Product and Design to