Sr Software Engineer

Powering the world’s payments ecosystemACI 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. Job Responsibilities: Diagnose and Fix production defects across a distributed Java/Spring Boot microservices platformOwn issues end to end - from reproduction through root cause analysis to deployed fix, coordinating with feature teams when domain expertise is neededWork from a prioritized backlog of bugs and tech debt items when not handling active escalations, driven by product prioritizationTriage incoming issues by severity and business impact, escalating or pulling in the right people when neededJoin incident bridges as needed, contributing diagnostics, context, and resolution pathsCoordinate across teams (Product Management, Professional Services, Operations, scrum teams) to keep issues moving toward resolutionIdentify recurring defect patterns and advocate for systemic fixes with feature teams and productHelp shape the support function contribute to processes, rotation models, and operational standards as this team maturesIndependently 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. Knowledge, Skills and Experience required for the job: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 roleStrong debugging and troubleshooting skills in distributed systems - comfortable with log analysis, tracing, and root cause investigationProficiency in Java and experience working within microservices architecturesAbility 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 urgencySelf-directed and resourceful; able to operate effectively with ambiguity as the team and processes are still formingPreferred Knowledge, Skills and Experience needed for the job:Experience with Kubernetes and container-orchestrated environmentsFamiliarity with event-driven / choreographed microservice patterns and messaging systems (e.g., NATS or similar)Experience with MongoDB or other document-oriented databasesFamiliarity with frontend technologies (Angular / JavaScript) for end-to-end debuggingBackground in payments, fintech, or high-availability transaction processingExperience with observability tooling (OpenTelemetry, Grafana, or equivalent)Prior experience in L3 support, escalation engineering, or customer-facing technical rolesWork Environment: Standard Work Environment Majority time spent on PC (Phys. Req.) Travel required, may be domestic or internationalApplicants must be currently authorized to work in the United States on a full-time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future.In return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment.Are you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at Job ID (Requisition #18897)ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.Important Notice About Recruitment ScamsJob seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company ( / @aciworldwide.com). The ACI Worldwide recruitment team will always follow official channels and will never request payment.#LI-LF1#LI-HybridACI Worldwide is a global leader in mission-critical, real-time payments software. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk. We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.Full timePosting Date: 2026-07-10