Sr Software Engineer

ACI Worldwide•Norcross, GA

11d•Hybrid

About The Position

ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments. Job Summary: Triages, designs, and develops features and fixes for the Connetic payments platform. Works within the product engineering team with a primary focus on customer issues and platform enhancement.

Requirements

Bachelor's degree in computer science or related field or equivalent software development experience.
5+ years of experience in software engineering, production support engineering, or a similar hands-on technical role
Strong debugging and troubleshooting skills in distributed systems - comfortable with log analysis, tracing, and root cause investigation
Proficiency in Java and experience working within microservices architectures
Ability to read, understand, and modify code across unfamiliar services
Clear written and verbal communication with both technical and non-technical audiences
Comfort working across multiple issues with varying urgency
Self-directed and resourceful; able to operate effectively with ambiguity as the team and processes are still forming

Nice To Haves

Experience with Kubernetes and container-orchestrated environments
Familiarity with event-driven / choreographed microservice patterns and messaging systems (e.g., NATS or similar)
Experience with MongoDB or other document-oriented databases
Familiarity with frontend technologies (Angular / JavaScript) for end-to-end debugging
Background in payments, fintech, or high-availability transaction processing
Experience with observability tooling (OpenTelemetry, Grafana, or equivalent)
Prior experience in L3 support, escalation engineering, or customer-facing technical roles

Responsibilities

Diagnose and Fix production defects across a distributed Java/Spring Boot microservices platform
Own issues end to end - from reproduction through root cause analysis to deployed fix, coordinating with feature teams when domain expertise is needed
Work from a prioritized backlog of bugs and tech debt items when not handling active escalations, driven by product prioritization
Triage incoming issues by severity and business impact, escalating or pulling in the right people when needed
Join incident bridges as needed, contributing diagnostics, context, and resolution paths
Coordinate across teams (Product Management, Professional Services, Operations, scrum teams) to keep issues moving toward resolution
Identify recurring defect patterns and advocate for systemic fixes with feature teams and product
Help shape the support function contribute to processes, rotation models, and operational standards as this team matures
Independently designs, develops, tests and delivers high quality software/solutions. Provides direct estimates, such as time, percentage of project completion, etc. to lead and/or manager.
Researches and resolves reported systems software problems efficiently and accurately while adhering to internal software management standards and procedures.
Maintains detail knowledge of software, underlying network and system software, and dependencies.
Provides guidance and subject matter expertise to the development organization.
Perform other duties as assigned
Understand and adhere to all corporate policies to include but not limited to the ACI Code of Business Conduct and Ethics.