5 days ago
Jacksonville, FL, USASenior
Responsibilities
- Design, develop, test, and maintain scalable backend services and APIs.
- Lead or contribute to database migration and modernization projects.
- Analyze applications and databases to identify dependencies, risks, and technical requirements.
- Design and optimize PostgreSQL schemas, queries, indexes, partitions, triggers, and stored procedures.
- Collaborate with engineers, architects, product teams, and stakeholders to define and deliver technical solutions.
- Ensure data integrity, security, reliability, and performance throughout development and migration processes.
- Use AI-assisted development tools responsibly and independently validate generated output.
- Participate in code reviews, architectural discussions, production support, and engineer mentoring.
Requirements
- At least 7 years of professional software engineering experience.
- Strong experience developing production backend systems in Go or another modern programming language, with willingness to become productive in Go.
- At least 5 years of relational database experience, including database design, optimization, and data migration techniques.
- Strong PostgreSQL or comparable enterprise relational database experience.
- Experience with query optimization, indexing, data modeling, partitioning, triggers, and stored procedures.
- Experience operating applications or databases in a cloud environment.
- Practical experience using AI-assisted development tools while independently validating generated output.
- Strong analytical, troubleshooting, communication, and collaboration skills.
- Bachelor’s degree in computer science, engineering, or a related field, or an equivalent combination of education, professional experience, and/or military experience.
- Preferred qualifications include production Go development, advanced PostgreSQL including PL/pgSQL, replication, high availability, or performance tuning; cloud-native architectures, containers, Kubernetes, microservices, or distributed systems; change data capture; large-scale data migrations; performance and load testing; and specification-driven development.
Benefits
- Full-time, direct-hire position.
- Fully on-site role.
- This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine, or Washington.
Tech Stack
Categories
About Fiserv
Fiserv builds payments and financial technology for banks, credit unions, merchants, and billers, including merchant acquiring, card issuing, core banking, and digital banking platforms. It earns revenue through transaction processing, software licensing, and managed services across POS (Clover), bill pay, ACH and card networks, and risk/compliance. The public company is headquartered in Milwaukee, trades on NASDAQ/BMV, acquired First Data in 2019, and serves clients in more than 100 countries.