Software Architecture, Advisor

Fiserv • Alpharetta, GA

3d • Onsite

About The Position

We are seeking a Software Advisor with advanced PostgreSQL expertise to design and govern highly scalable, resilient, and high-performing data-driven systems. This role bridges complex business logic with deep database engine capabilities, with a focus on advanced database clustering, high availability (HA), query optimization, and multi-terabyte data scalability. P ostgreSQL database architecture, performance tuning, high availability and disaster recovery planning, cloud database administration (Azure PostgreSQL), database security, schema design and governance, automation, and supporting scalable enterprise applications.

Requirements

• Bachelor's or master's degree in Computer Science, Software Engineering, or a related technical.
• 6+ years of progressive software development experience & advanced PostgreSQL architecture.
• 5+ of PostgreSQL internals, including MVCC, WAL, vacuuming strategies, replication, indexing, and performance tuning.
• Hands-on experience deploying and managing PostgreSQL in cloud environments such as Azure, AWS RDS, or Cloud SQL.
• Strong experience with CI/CD pipelines, infrastructure as code, automated deployments, observability, and operational best practices for reliable database and application delivery.
• Strong understanding of microservice data ownership, event-driven architecture, API design, and distributed system patterns.
• 1+ years of experience working at Fiserv as a contractor or employee.

Nice To Haves

• Experience mentoring backend and database engineers, review architectural decisions, and provide guidance on critical design and implementation choices.
• Experience partnering with product, DevOps, security, and engineering teams to balance delivery priorities with long-term architectural scalability.

Responsibilities

• Translate business requirements into scalable logical and physical database models using advanced PostgreSQL capabilities, including JSONB, arrays, and composite types.
• Diagnose database bottlenecks, interpret EXPLAIN ANALYZE output, and optimize complex queries, indexing strategies, and partitioning approaches.
• Design resilient database architectures using connection pooling, read replicas, horizontal harding, and effective failover strategies.
• Define and enforce data standards, schema versioning practices, migration protocols, and ORM integration patterns across teams.
• Implement secure access, row-level security, encryption, and compliance-aligned controls for sensitive data.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior