Senior Full Stack Engineer

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.

About Us

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.

The Role

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.

What You’ll Build

1. Integration Tools: Enhance our visual workflow builder and TypeScript SDK/CLI for developers
2. Scalable Infrastructure: Optimize systems handling millions of API calls and data transformations
3. Developer Experiences: Improve dashboards, documentation, and APIs used by engineering teams globally
4. Customer Solutions: Troubleshoot complex integration scenarios with enterprise users

Tech Stack

1. Frontend: TypeScript, React
2. Backend: Python, Django, TypeScript
3. Cloud: AWS
4. Databases: Postgres, Redis

Key Responsibilities

1. Lead architecture discussions and technical roadmapping for platform features
2. Ship production-grade code across the stack (frontend, backend, infrastructure)
3. Collaborate with product and design to translate user needs into technical solutions
4. Mentor engineers and champion best practices (testing, code reviews, documentation)
5. Work directly with customers to solve integration challenges

Who We’re Looking For

1. 6+ years building production systems at scale, preferably in B2B SaaS

Technical Mastery:

1. Expertise in TypeScript/React and Python/Django
2. Experience designing GraphQL/REST APIs
3. Familiarity with cloud infrastructure (AWS) and relational databases

Mindset:

1. Thrives in collaborative, fast-paced environments
2. Obsessed with code quality and maintainability
3. Communicates complex technical concepts with clarity

Bonus Points For

1. Experience building SDKs, CLIs, or developer tools
2. Background in integration platforms or iPaaS
3. Mentorship experience or open-source contributions

Why Join?

🚀 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: base salary + equity

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

🏥 Benefits:

1. Premium medical/dental/vision (Cigna, Guardian, VSP)
2. 401(k) with 4% company match
3. Unlimited PTO + life/disability insurance
4. Top-tier hardware and tools

Our Engineering Values

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

Apply Now if you:

1. Want to redefine how software integrates at scale
2. Love balancing technical depth with product intuition
3. Are ready to mentor and lead in a high-growth environment

We review applications daily. Let’s connect!

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