Full Stack Engineer at Underdog.io

Senior Full Stack Engineer – Embedded Integration Platform

Location:

Remote (US)

Underdog.io is a modern recruiting platform. One of our hiring partners is looking to hire a remote Sr Full Stack Engineer to join their growing team. We’re revolutionizing how B2B software companies build and manage integrations. As a leading embedded integration platform (iPaaS), we empower teams from startups to Fortune 100 enterprises to deliver seamless connectivity solutions. Recognized for top‑tier customer satisfaction, our engineer‑first platform combines a low‑code visual builder with robust developer tools, enabling teams to focus on their core product while we handle the complexity of integrations.

As a Senior Full Stack Engineer, you’ll architect mission‑critical features used by thousands of developers to build, deploy, and scale integrations. You’ll own projects end‑to‑end, from designing APIs to enhancing our low‑code interface, directly impacting how businesses connect their software ecosystems.

• Enhance our visual workflow builder and Type Script SDK/CLI for developers
• Optimize systems handling millions of API calls and data transformations
• Improve dashboards, documentation, and APIs used by engineering teams globally
• Troubleshoot complex integration scenarios with enterprise users

• Frontend:
  Type Script, React
• Backend:
  Python, Django, Type Script
• Cloud: AWS
• Databases:
  Postgres, Redis

• Lead architecture discussions and technical road mapping for platform features
• Ship production‑grade code across the stack (frontend, backend, infrastructure)
• Collaborate with product and design to translate user needs into technical solutions
• Mentor engineers and champion best practices (testing, code reviews, documentation)
• Work directly with customers to solve integration challenges

6+ years building production systems at scale, preferably in B2B SaaS

• Expertise in Type Script/React and Python/Django
• Experience designing GraphQL/REST APIs
• Familiarity with cloud infrastructure (AWS) and relational databases

• Thrives in collaborative, fast‑paced environments
• Obsessed with code quality and maintainability
• Communicates complex technical concepts with clarity

• Experience building SDKs, CLIs, or developer tools
• Background in integration platforms or iPaaS
• Mentorship experience or open‑source contributions

Impact:
Shape tools used by thousands to power critical business workflows

Tech Excellence:
Work on cutting‑edge problems in API orchestration and data pipelines

Compensation: 170K–200K base salary + equity

Remote Flexibility:
Work from anywhere in the US with biannual team gatherings

• Premium medical/dental/vision (Cigna, Guardian, VSP)
• 401(k) with 4% company match
• Unlimited PTO + life/disability insurance
• Top‑tier hardware and tools

• Build for Builders:
  Every feature is a developer experience
• Ship to Learn:
  Iterate fast while maintaining enterprise‑grade reliability
• Customer‑Centric Code:
  Solve real problems, not just write clever solutions