Senior Full Stack Software Engineer

Tesorio

Build and scale core systems for Tesorio’s platform focused on optimizing cash flow management. Collaborate across backend, APIs, and frontend solutions in a fast-paced environment.

Posted 4/29/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Build and scale core systems powering Tesorio’s platform. You’ll own problems end-to-end, ship quickly in a low-structure environment, and work across backend, APIs, and frontend.
Ship **end-to-end features** across backend, APIs, and frontend
Design and evolve **scalable backend systems** for complex financial workflows
Turn ambiguous problems into **clear, practical solutions**
Work closely with Product and Design to deliver **customer impact**
Make sound tradeoffs between **speed, quality, and long-term scalability**

Requirements

What you’ll need

Experience building **large-scale systems** and working on **complex backend architecture** in high-bar environments (e.g. scaled startups or top-tier engineering orgs); strong backend fundamentals (Python preferred)
Recent experience operating in **fast-paced, low-structure teams**, with a track record of shipping quickly, making decisions with incomplete information, and operating with minimal process or oversight
Clear ownership of meaningful work: you can explain **what you built, why it mattered, and what changed as a result**, demonstrating end-to-end responsibility and strong decision-making
Comfort using **AI tools as part of your development workflow**, focusing on leverage, iteration speed, and judgment over manual coding
Ability to work **across the stack**: strong backend engineer who can also contribute to APIs, data workflows, and frontend when needed

Benefits

Comp & perks

Competitive Base Salary
Meaningful stock options
Flexible PTO + U.S or local holidays
Health and wellness stipend
Remote, flexible work
Home office stipend
Learning stipend

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Pythonbackend systemsAPIsfrontend developmentlarge-scale systemscomplex backend architecturefinancial workflowsend-to-end featuresscalable systemsdata workflows

Soft Skills

problem-solvingdecision-makingownershipcommunicationadaptabilitycollaborationjudgmentiteration speedclaritycustomer impact