Senior Software Engineer, Api Team

**About SecurityScorecard**: SecurityScorecard is the global leader in cybersecurity ratings, with over 12 million companies continuously rated, operating in 64 countries. Founded in 2013 by security and risk experts Dr. Alex Yampolskiy and Sam Kassoumeh and funded by world-class investors, SecurityScorecard's patented rating technology is used by over 25,000 organizations for self-monitoring, third-party risk management, board reporting, and cyber insurance underwriting; making all organizations more resilient by allowing them to easily find and fix cybersecurity risks across their digital footprint. Headquartered in New York City, our culture has been recognized by Inc Magazine as a "Best Workplace," by Crain's NY as a "Best Places to Work in NYC," and as one of the 10 hottest SaaS startups in New York for two years in a row. Most recently, SecurityScorecard was named to Fast Company's annual list of the World's Most Innovative Companies for 2023 and to the Achievers 50 Most Engaged Workplaces in 2023 award recognizing "forward-thinking employers for their unwavering commitment to employee engagement." SecurityScorecard is proud to be funded by world-class investors including Silver Lake Waterman, Moody's, Sequoia Capital, GV and Riverwood Capital. **About the Team**: Join our dynamic Technology team as part of the newly-formed API Squad. Our mission is to revolutionize our API offerings by focusing on scalability, stability, and exceptional customer experiences, ensuring they meet the demands of a growing user base and high-traffic environments. Collaboration, ownership, and shared responsibilities are at the heart of our culture. You'll work hands-on throughout the Software Development Life Cycle (SDLC), driving impactful projects and leveraging modern DevOps principles. With our rapidly growing team and ambitious goals, this is a unique opportunity to grow alongside us and shape the future of our API product. **_ We are in the process of opening a Buenos Aires office. Once open, this role will require working on-site in the office 3 days a week._** **About the Role**: As a Senior Software Engineer on the API Squad, you'll be instrumental in building and maintaining reliable, scalable, and user-friendly API integrations. You'll own projects end-to-end—collaborating with Product Managers, Developers, and UX Designers to deliver best-in-class solutions. Success in this role will be measured by the reliability, scalability, and performance of APIs, the adoption rate of new API features, and feedback from both internal stakeholders and external customers. - Participate in all phases of the SDLC: design, development, deployment, and maintenance. - Collaborate with cross-functional teams to translate requirements into technical solutions, estimate complexity, and address blockers. - Own end-to-end delivery of projects, ensuring performance and stability across infrastructure, backend, and frontend systems. - Write clean, secure, testable, and maintainable code using industry best practices. - Lead code reviews, promote design patterns, and ensure reusable, readable, and test-driven development. - Monitor and analyze performance metrics to identify and implement system improvements. - Document processes, write technical documentation, and contribute to standards that benefit the team and organization. **Responsibilities**: - When involved in a project, help translating requirements, estimating, solve or escalate blockers/points worth of discussion. - Develop APIs designed to scale efficiently, ensuring low latency and high availability in high-traffic environments. - Have ownership of entire projects, being able to understand and answer about all of its aspects (infrastructure, back-end and front-end). - Delivers code that encourages the team in terms of best practices, readability, design patterns, reusability and testing. - When shipping and maintaining, keep an eye on data to raise if anything needs to be refactored or improved. - Demonstrates leadership by mentoring peers, fostering a culture of learning, and promoting a positive team environment. **Our Stack**: - Backend: Python, Node.js, GoLang. - Frontend: TypeScript, React, Redux + Saga, Jest. - Infrastructure: AWS, Docker, Terraform, Datadog. **Required Qualifications**: - A Backend Engineer with 5+ years of professional experience in agile development environments. - Advanced experience in backend development, including Node.js and building/maintaining REST APIs. - Familiarity with containerization and cloud technologies such as AWS, Docker, and Terraform. - Strong understanding of software design principles, including DRY, YAGNI, and clean code practices. - Understanding of authentication (OAuth, JWT, API Keys) and authorization (RBAC). - Testing: Experience with API testing tools like Postman, Swagger, or automated testing frameworks. - Documentation: Ability to write clear, developer-friendly API documentation. - Tools and Frameworks: Fa