Senior Software Engineer, Merchant Onboarding

About the role

Tabs is seeking a senior software engineer to join our Merchant Onboarding team. This team owns the full merchant journey, from onboarding & configuration to the internal tooling that powers our teams. The ideal candidate will work across real production systems, complex data flows, and product surfaces used by teams who need software they can trust.

Responsibilities

• Build core backend services and APIs to support the merchant onboarding process
• Develop and maintain product surfaces that finance teams rely on daily
• Create interfaces and tools that simplify complex concepts for both internal and external users
• Design and implement internal systems that improve reliability, observability, and performance
• Partner closely with Product and Design to solve real problems and ship real software

Requirements

• 5-8 years of professional software engineering experience
• Experience building web applications or backend services in production
• Familiarity with modern backend languages and frameworks (TypeScript, Node, NestJS)
• Experience with modern frontend frameworks such as React, Vue, or similar
• Experience working with APIs and relational databases

Qualifications

• Enjoy owning systems end-to-end, from first design doc to fixing production edge cases weeks later
• Care deeply about correctness and long-term maintainability
• Curious about domains you don't already understand, and willing to sit with discomfort while learning
• Can disagree respectfully, explain your reasoning, and change your mind when the data says you should

What We Care About You

• Thrives on owning systems end-to-end
• Is passionate about correctness and long-term maintainability
• Is eager to learn new domains and tackle complex problems
• Is able to engage in respectful disagreement and adapt to feedback

The Stack

• TypeScript, Node, NestJS
• React, Next.js
• Postgres
• Redis
• Temporal for job management

Perks and Benefits

• Competitive compensation and equity
• Unlimited PTO
• Up to 100% employer covered monthly healthcare premium (medical, dental, vision)
• Lunch provided via Sharebite, plus dinner for any later in office days
• Parental leave up to 12 weeks
• Tax-free commuter and parking benefits
• Voluntary insurances (Life, Hospital, Critical Illness, Accident)
• Employee Assistance Program (Rightway)
• Free One Medical Membership
• 401(k)

Equal Opportunity Employer

We welcome teammates of all identities and do not discriminate on the basis of race, ethnicity, religion, gender identity, sexual orientation, age, disability, veteran status, or any other protected characteristic. We are committed to creating an environment where everyone can grow, contribute, and feel comfortable being themselves.