• Design, develop, and implement high-quality software solutions using C# and .NET • Write and review progressively complex code, integrating across various application systems and components • Assist in designing and developing relational database models to support software solutions • Conduct unit, regression, security, and load testing to validate code readiness for production • Perform application security remediation in collaboration with Security team • Perform impact analysis for interface and system changes affecting the applications environment • Work closely with business teams to translate business needs into technical solutions • Collaborate with team members and business partners to solve problems and fix technical issues • Independently develops estimates for project and maintenance work • Support custom or 3rd-party solutions and their integrations • Perform application monitoring and on-call support • Implement architecture and solutions • Design and develop code to support existing and future deployments

• Lead a team of engineers across several products and codebases, breaking down work and driving delivery of high-quality, performant solutions. • Own technical direction and standards, driving a strong culture of automated testing, observability, and operational excellence through activities such as hands-on code review. • Address urgent customer needs by triaging and solving Support tickets, balancing short-term fixes with resolving the deeper root causes. • Partner with Product and Design to ensure the team is always working on the most valuable problems, identifying the simplest viable solution to quickly deliver customer impact. • Deliver functionality that is immediately useful, then guide iterative improvements to expand customer value over time. • Identify risks, technical debt, and architectural concerns early, and make pragmatic decisions about when to invest vs. move fast. • Communicate clearly with stakeholders about scope, tradeoffs, timelines, and expectations—from Support issues to new product features. • Present and document significant architectural shifts to Engineering leaders, and regularly communicate performance to ensure system architecture addresses customer and HappyCo needs. • Lead sprint planning, daily technical discussions, and other delivery rituals with the Product Manager and Design Lead.

• Contributing in all phases of the development lifecycle. • Designing, developing and delivering high-volume, low-latency applications for mission-critical systems. • Writing well designed, testable, efficient code. • Ensuring designs are in compliance with specifications. • Supporting continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

• Collaborate across multiple engineering, product, and infrastructure teams to drive alignment on technical initiatives and ensure smooth integration of services • Lead system architecture and design discussions, delivering scalable, maintainable, and high-performing solutions aligned with business and technical goals • Monitor system performance and reliability, proactively addressing technical debt and production issues • Identify and implement cost-effective cloud strategies, optimizing infrastructure and service usage to reduce operational expenses without sacrificing performance • Contribute to technical planning and estimation, ensuring realistic delivery timelines and resource allocation • Enforce coding standards, architectural guidelines, and engineering best practices to ensure code quality, consistency, and long-term maintainability • Champion application security by ensuring compliance with secure coding standards, proactively identifying vulnerabilities, and collaborating with security teams for audits and threat modeling • Support the evolution of the team’s technology stack and development practices by evaluating and adopting new tools, frameworks, and patterns • Advocate for and implement initiatives that improve developer experience, reduce friction, and scale engineering practices • Drive improvements in developer experience, CI/CD automation, and operational efficiency through tooling and workflow enhancements • Monitor and address technical debt, scalability bottlenecks, and legacy system risks • Champion Agile development practices by fostering iterative delivery, continuous feedback, and adaptive planning within the team • Collaborate effectively with geographically distributed teams, ensuring clear communication, coordinated execution, and consistent delivery across time zones