Senior Software Engineer, Platform/Backend

SentiLink https://www.sentilink.com/ helps institutions and protects customers by accurately resolving identities and flagging fraud risk. Each day, we verify more than 3 million identities, flagging 150k+ fraud attempts in the process. The problems we work on are challenging, and solving them takes deep domain expertise, rigorous analysis, and a willingness to dig into the details. At SentiLink, you'll work alongside smart, highly collaborative colleagues who respect each other's time and judgment, take ownership, and follow through on their commitments. Together, we do truly meaningful work protecting the identities of innocent consumers and flagging the fraudsters attempting to exploit them. We're well capitalized and growing quickly. We already serve 13 of the top 15 U.S. banks, we're expanding into new markets, and we're backed by Craft Ventures, Andreessen Horowitz, NYCA, and Max Levchin. We've been named to the Forbes Fintech 50 https://www.forbes.com/companies/sentilink/?list=fintech50 and as a 2026 FICO Industry Vanguard Decision Award Winner https://www.businesswire.com/news/home/20260330439998/en/SentiLink-Named-a-2026-FICO-Industry-Vanguard-Decision-Award-Winner-for-Leadership-in-Identity-Theft-Detection. We were also the first company to go live https://resources.sentilink.com/blog/sentilink-makes-history-as-first-ecbsv-provider with the electronic Consent Based Social Security Number Verification (eCBSV) service, and we've testified before the U.S. Congress https://resources.sentilink.com/media/dr.-david-maimons-congressional-testimony-on-emerging-fraud-threats-and-the-evolving-fraud-landscape on the future of identity. We want SentiLink to be the best place you've ever worked. We offer generous benefits and support a range of working arrangements, from fully remote to in-office. We are a digital-first company with strong collaboration across the U.S. and India, and we meet in person regularly to build relationships. We have offices in Austin, San Francisco, New York City, Seattle (Bellevue), Los Angeles, and Chicago in the U.S., and in Gurugram (Delhi) and Bengaluru in India. ABOUT THE OPPORTUNITY: As a Senior Software Engineer at SentiLink, you will build and enhance an API platform that powers our products. You will work with product, engineering, and security teams across the company to deploy the features and underlying systems to make our products scalable, maintainable, and extremely secure. You have outstanding programming skills, you are proficient in our technology stack, and you can pick up new technologies quickly as we evolve. This is a remote, US-based role. TECHNOLOGIES: Golang, Python, PostgreSQL (RDS), OpenSearch, Docker, AWS technologies (Lambda, Cognito and other standard technologies). RESPONSIBILITIES: - You are the owner of one large section of our codebase - Lead the technical direction provide guidance and set the technical direction for our team, ensuring alignment with project goals and industry best practices - Design and build a suite of API-based decisioning products - Code, test, debug, document, and maintain products and platform using established coding standards and methodologies - Partner with product management to drive agile delivery of both existing and new products based on project requirements. - Ensure new software meets quality standards by writing unit, dependency, integration and end-to-end automated tests - Troubleshoot, debug, and resolve product issues as they arise - Ensure platform and services meet SLA requirements; on call rotation for production issues, along with the rest of engineering REQUIREMENTS: - 6+ years of software development experience building enterprise or consumer facing products - Experience with building API based products using Python, Golang, or similar technologies - Excellent analytical and problem solving skills, interpersonal skills, and a sense of humor (enjoy the journey) - Familiarity with: RDBMS (e.g. postgres) and ability to write efficient queries with optimal structures; Docker and AWS technologies; fintech or financial services; scrum / agile development environment - Proficiency with using an AI tool such as Claude Code, ChatGPT/Codex, Cursor or another similar tool - Candidates must be legally authorized to work in the United States and must live in the United States COMPENSATION: - $170,000/year - $230,000/year + equity + benefits NOTE: THIS SALARY RANGE MAY BE INCLUSIVE OF MULTIPLE CAREER LEVELS, AND THE ACTUAL BASE SALARY WITHIN THAT RANGE WILL BE DETERMINED BY SEVERAL COMPONENTS INCLUDING BUT NOT LIMITED TO THE INDIVIDUAL'S EXPERIENCE, SKILLS, AND QUALIFICATIONS. PERKS: - Employer paid group health insurance for you and your dependents - 401(k) plan with employer match (or equivalent for non US-based roles) - Flexible paid time off - Regular company-wide in-person events - Home office stipend, and more! CORPORATE VALUES: - Follow Through - Deep Understanding - Whatever It Takes - Do Something Smart