Software Engineer - Customer Integrations (API)
Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Jun 17, 2026. TheGuarantors scores A on the Alion truth index.
TheGuarantors is a fintech company helping multifamily owners and operators mitigate leasing risk while expanding access for renters. With a deep understanding of owner, operator, and renter needs, we believe renters deserve better access to the home of their choice and operators deserve greater protection and growth opportunities. That’s why we’re leveraging our real estate expertise and using AI-driven renter underwriting to help operators qualify renters faster while mitigating the financial risk of renter default. With $7B+ in lease value protected, we work with 9 of the country’s top 10 operators, are the #1 lease guarantee provider nationwide, and have consistently been named one of Inc. 5000’s fastest-growing companies, one of Forbes’ Best Startup Employers, and one of Deloitte’s Technology Fast 500
The Role
The Senior Software Engineer is responsible for building and maintaining a scalable microservices platform. This role is for the Customer Integrations team and will be responsible for enabling third-party client integrations.
The ideal candidate will bring deep technical expertise, will partner with Product leaders on building impactful features, collaborate with other tech teams and own projects end-to-end.
Location
This is a remote role based in the United States, with a strong preference for candidates near NYC, Dallas, Austin, Houston, Chicago, Nashville, Miami, or Atlanta. Candidates who live within an hour's commute of our NYC office should expect a hybrid schedule of 2-3 days per week in the office.
What You’ll Do
- Build and maintain highly scalable backend services and APIs that power developer-facing platform capabilities
- Develop secure, well-documented, versioned APIs with a strong emphasis on developer experience, consistency and usability.
- Lead projects from planning to delivery independently.
- Partner with Product leaders on ideation and implementation.
- Collaborate across multiple tech teams to design and deliver impactful features.
- Advocate for team needs and get involved with strategic decisions.
Requirements
- Professional experience working within software engineering teams.
- Exceptional interpersonal skills.
- 5+ years of building backend services with common systems languages (Go, Java, Python, C#). Go experience is not a requirement, but candidates must be open to learning and using it.
- Track record of success in terms of ability to execute projects.
- Deep understanding of API concepts and designs.
- Advanced understanding of SQL, experience with PostgreSQL or other relational databases.
- Familiarity with modern web infrastructure components (e.g. caching, serverless, API gateways, etc) and how to manage them.
- Understanding of system design, data structures, and algorithms, and experience creating and evaluating technical design documents.
- Experience with cloud providers such as AWS/Azure/GCP/OCI and managing infrastructure assets using IaC tooling such as Terraform.
Nice to Have
- Have worked in a fast-paced, regulated, client-facing environment
- Experience designing and building public APIs and developer platforms
Benefits
- Opportunities to make an impact within a fast growing company
- Medical, dental, & vision insurance, beginning day one
- Health savings account with employer contribution
- Generous PTO and paid holidays
- Flexible working hours
- 401(k)
- Paid parental leave
- Company sponsored short and long term disability
- Flexible spending accounts (healthcare, dependent care, commuter)
- Competitive salary
Base Salary
This is an individual contributor role, internally leveled as IC4.
The annual U.S. base salary range is $170,000-$205,000. Base salary does not include other forms of compensation or benefits. Individual pay is determined by work location, skills, experience, and other job-related factors, which will be discussed during the hiring process.
Stay in Touch
Does this role not quite match your skills, but you’re still interested in what we're doing? Stay In Touch and apply to our Dream Job to be one of the first to hear about future opportunities!
TheGuarantors is an Equal Opportunity Employer. We celebrate diversity and are committed to an inclusive environment for all.