• Designing, building, and maintaining backend services and APIs using Python and related frameworks. • Ensuring database architecture, data flow, and system performance scale effectively with growing demand. • Applying strong database fundamentals to real-world systems, including indexing strategies, partitioning approaches, and concurrency considerations for large and complex datasets. • Advocating for best practices in code quality, system design, and documentation, including participation in code reviews and architectural discussions. • Collaborating with the team to standardize processes and improve long-term maintainability of backend systems. • Evaluating and responsibly leveraging AI-assisted development tools while adhering to sound engineering principles (e.g., SOLID, single-responsibility design). • Contributing to a culture of testing, reliability, and continuous improvement.

• Contribute hands-on across the full application stack, delivering solutions that span front-end interfaces, backend services, APIs, and data-oriented workflows. • Design, build, and maintain full stack solutions using modern front-end frameworks and robust backend services. • Develop backend services and APIs using Python and enterprise-level frameworks, with an emphasis on scalability, reliability, and maintainability. • Build and evolve GraphQL APIs, including schema design and resolver implementation. • Partner with designers, product managers, and other engineers to deliver intuitive, data-driven user experiences. • Design and implement clean, performant, and scalable database schemas to support enterprise use cases. • Produce and maintain clear technical documentation, including in-code comments, repository documentation, and architectural diagrams. • Provide senior-level technical guidance, clear communication, and collaborative problem-solving across teams and stakeholders. • Promote best practices in code quality, testing, and system design.

• Support and maintain legacy applications built on .NET Framework 4.5–4.8 • Debug, patch, and upgrade dependencies • Troubleshooting SQL Server issues • Execute manual data corrections with change management policies • Understand and modify complex legacy codebases • Work with Azure DevOps and AWS for application workflows • Manage incidents and document processes clearly

• As a Senior Backend Software Engineer, you will be a critical part of our growing company, working on a cross-functional team to implement best practices in technology, architecture, and process. • You'll have the chance to work in an open and collaborative environment, receive and give hands-on mentorship and have opportunities to grow and accelerate your career. • In this role, you will be interfacing with design, front-end, analytics, as well as teams outside of Engineering. • You enjoy working cross functionally to solve hard problems and make an impact. • At Apollo, you strive for quality, and are obsessed with improving quality, automation, and squashing any bugs that sneak through. • You have a drive to constantly investigate performance improvements and innovative ideas. • Design and implement highly scalable backend endpoints • Gather product requirements and write design docs to satisfy product needs • Drive/Lead full lifecycle of software development: product requirements, architecture, solution design, development, quality assurance, and maintenance • Mentor others on best practices and effectively share knowledge • Be comfortable introducing new technologies and new ideas as required • Work effectively as part of a large global team • Attend and engage in scrum ceremony meetings, team parties, and manager 1:1s • Provide feedback to co-workers in written and verbal form and respond to technical and behavioral feedback from managers and peers