Senior Software Engineer – Full Stack

Job overview

Senior Software Engineer – Full Stack is an onsite role in Austin, TX; compensation is not specified. Reflex builds a retail labor marketplace connecting national retail brands with trained workers. The engineer builds and evolves the platform across web, backend, mobile, data, and infrastructure. The role owns product areas end to end, improves reliability and performance, and helps establish engineering standards while supporting the marketplace’s growth.

What you'll do

• Build and ship frontend experiences, backend services, APIs, infrastructure, and integrations
• own product areas from architecture through maintenance
• lead shared component design
• develop telemetry across mobile and web
• refactor the codebase
• guide technical-debt decisions
• promote quality engineering practices
• improve performance, observability, and developer experience
• deploy mobile updates
• review code, mentor engineers, and help shape technical direction.

What we're looking for

Skills & competencies

senior software engineer

full stack

react

typescript

python

django

apis

mobile

design systems

observability

austin tx

reflex

Work arrangement

• Weekend coverage required

Benefits & perks

• Meaningful equity
• professional ownership and technical breadth
• influence over engineering standards and product direction.

Why this role

Full-stack generalist role with a lean toward user interface and software design; platform serves more than a million requests a day.

About the employer

Reflex is hiring for this role. Industry: Custom Computer Programming Services. Sector: 54.