Full Stack Engineer
Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you · United States
- Hybrid
- Full-time
- $150,000 / year
- United States
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Job highlights
- Architect mission-critical features for integration platform.
- Enhance visual builder, SDK, CLI, and developer tools.
- Optimize scalable infrastructure for millions of API calls.
- Improve dashboards, documentation, and global APIs.
- Solve complex integration challenges with enterprise users.
About the role
About Underdog.io
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
- Integration Tools: Enhance our visual workflow builder and TypeScript SDK/CLI for developers
- Scalable Infrastructure: Optimize systems handling millions of API calls and data transformations
- Developer Experiences: Improve dashboards, documentation, and APIs used by engineering teams globally
- Customer Solutions: Troubleshoot complex integration scenarios with enterprise users
Tech Stack
- Frontend: TypeScript, React
- Backend: Python, Django, TypeScript
- Cloud: AWS
- Databases: Postgres, Redis
Key Responsibilities
- Lead architecture discussions and technical roadmapping 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
Who We’re Looking For
6+ years building production systems at scale, preferably in B2B SaaS
Technical Mastery
- Expertise in TypeScript/React and Python/Django
- Experience designing GraphQL/REST APIs
- Familiarity with cloud infrastructure (AWS) and relational databases
Mindset
- Thrives in collaborative, fast-paced environments
- Obsessed with code quality and maintainability
- Communicates complex technical concepts with clarity
Bonus Points For
- Experience building SDKs, CLIs, or developer tools
- Background in integration platforms or iPaaS
- 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: Premium medical/dental/vision (Cigna, Guardian, VSP), 401(k) with 4% company match, Unlimited PTO + life/disability insurance, Top-tier hardware and tools
Our Engineering Values
- 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
Apply Now if you:
- Want to redefine how software integrates at scale
- Love balancing technical depth with product intuition
- Are ready to mentor and lead in a high-growth environment
We review applications daily. Let’s connect!
Key skills/competency
- Senior Full Stack Engineer
- TypeScript
- React
- Python
- Django
- AWS
- APIs
- Databases
- Developer Tools
- SaaS
Skills & topics
- Senior Full Stack Engineer
- TypeScript
- React
- Python
- Django
- AWS
- API Design
- B2B SaaS
- iPaaS
- Developer Tools
How to get hired
- Tailor your resume: Highlight experience with TypeScript, React, Python, Django, and AWS. Emphasize your 6+ years building production systems.
- Showcase technical mastery: Detail your experience with API design (GraphQL/REST), cloud infrastructure, and databases.
- Demonstrate your mindset: Provide examples of thriving in fast-paced environments, focusing on code quality, and clear communication.
- Address bonus points: If applicable, highlight experience with SDKs, CLIs, developer tools, or iPaaS.
- Prepare for interviews: Expect discussions on architecture, problem-solving, and potentially customer interactions.
Technical preparation
Master TypeScript, React, and Python/Django.,Practice designing GraphQL and REST APIs.,Review AWS cloud infrastructure concepts.,Prepare for database optimization (Postgres, Redis).
Behavioral questions
Describe a complex integration you architected.,How do you ensure code quality and maintainability?,Share an experience of mentoring junior engineers.,How do you balance technical depth and product needs?
Frequently asked questions
- What is the application process for a Senior Full Stack Engineer at Underdog.io?
- The application process typically involves submitting your resume, followed by interviews that may include technical assessments, discussions on architecture, and behavioral questions. Underdog.io reviews applications daily.
- What are the key technologies used by the Senior Full Stack Engineer role at Underdog.io?
- The key technologies for this role include TypeScript, React for the frontend, and Python with Django for the backend. Experience with AWS, Postgres, and Redis is also important, along with API design (GraphQL/REST).
- Is this Senior Full Stack Engineer role remote, and are there any location restrictions?
- Yes, this Senior Full Stack Engineer position is fully remote, with the flexibility to work from anywhere within the United States.
- What kind of impact can a Senior Full Stack Engineer have at Underdog.io?
- As a Senior Full Stack Engineer, you will architect and build mission-critical features used by thousands of developers globally, directly influencing how businesses integrate their software.
- What is the expected level of experience for the Senior Full Stack Engineer position at Underdog.io?
- Underdog.io is looking for candidates with at least 6 years of experience building production systems at scale, preferably within the B2B SaaS industry.
- Does Underdog.io offer equity for the Senior Full Stack Engineer role?
- Yes, the compensation package for the Senior Full Stack Engineer role includes a base salary plus equity, alongside comprehensive benefits.
- What are Underdog.io's engineering values, and how do they relate to the Senior Full Stack Engineer role?
- Underdog.io values 'Build for Builders,' 'Ship to Learn,' and 'Customer-Centric Code.' As a Senior Full Stack Engineer, you'll embody these by developing robust tools for developers, iterating quickly, and solving real customer problems.