Senior Software Developer

Fiserv

. Design, develop, test, and maintain scalable backend services and APIs .

Posted 11/4/2026full-timeUnited StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and optimizing PostgreSQL schemas, queries, and stored procedures while leading database migration projects. Proficient in developing scalable backend services using Go and leveraging AI-assisted development tools for enhanced software solutions.

Highest-signal resume keywords

PostgreSQL OptimizationGo ProgrammingDatabase MigrationAI-Assisted Development ToolsCloud Environment Operations

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentDatabase DesignQuery OptimizationData Migration TechniquesData ModelingIndexingPartitioningTriggersStored ProceduresSoftware Engineering

Soft Skills

Analytical SkillsTroubleshootingCommunicationCollaborationMentoring

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceEngineering Degree

Industry Keywords

Scalable Backend ServicesAPIsData IntegritySoftware DevelopmentProduction Support

Tech Stack

Tools & technologies

CloudPostgresGo

About the role

Key responsibilities & impact

Design, develop, test, and maintain scalable backend services and APIs
Lead or contribute to database migration and modernization projects
Analyze existing 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 other stakeholders to define and deliver technical solutions
Ensure data integrity, security, reliability, and performance throughout software-development and migration processes
Use AI-assisted development tools responsibly to improve design, implementation, testing, documentation, and troubleshooting
Participate in code reviews, architectural discussions, production support, and mentoring of other engineers

Requirements

What you’ll need

4+ years of professional software-engineering experience
Experience developing production backend systems in Go or another modern programming language
Ability and willingness to become productive in Go
3+ years of experience with relational databases, including database design, optimization, and data-migration techniques
Strong PostgreSQL experience or comparable experience with another enterprise relational database
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
Must currently possess valid and unrestricted U.S. work authorization
Temporary visa holders and candidates requiring sponsorship now or in the future will not be considered

Benefits

Comp & perks

Equal Opportunity Employer
Reasonable accommodation available for applicants with disabilities
Veteran nondiscrimination commitment