• 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

• Lead data cleaning, manipulation, and statistical analysis of complex dataset. • Assist in developing and deploying machine learning models from concept to production. • Conduct code reviews and contribute to maintaining high-quality, well-documented codebases. • Troubleshoot and resolve issues within data pipelines and analytical workflows. • Collaborate with internal teams on technical specifications and solution design.

• Design, develop, and maintain **backend services and APIs** using **Java and Spring Boot** for banking and financial applications. • Build and consume **RESTful APIs** to support web and mobile banking platforms, ensuring security and performance standards. • Implement **business logic, data validation, and transaction handling** aligned with banking requirements. • Work with **relational databases** (PostgreSQL / MySQL) for data modeling, querying, and performance optimization. • Apply **secure coding practices**, authentication, and authorization mechanisms in compliance with banking and regulatory standards. • Collaborate closely with **front-end developers, QA, DevOps, and business analysts** to deliver end-to-end solutions. • Participate in **code reviews**, debugging, and performance tuning. • Support integration with third-party services and internal systems. • Contribute to documentation and maintain clear technical specifications.