{"id":132528,"url":"https://alion.io/job/aci-worldwide-software-engineer-4","title":"Software Engineer","company":{"id":20985,"name":"ACI Worldwide","domain":"aciworldwide.com","url":"https://alion.io/company/aci-worldwide","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":92,"open_postings":12,"ghost_share":0,"stale_share":0.333,"repost_share":0,"time_to_fill_p50_days":56,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Norcross, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":118000,"max_usd":216000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3287},"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"COBOL","optional":false},{"name":"Claude","optional":true},{"name":"Copilot","optional":true},{"name":"Cursor","optional":true}],"status":"live","first_seen_at":"2026-07-23T00:00:00Z","employer_posted_date":"2026-07-23","last_verified_at":"2026-10-16T20:03:56Z","board_verified":true,"closed_at":null,"days_open":85,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":85},"description":"Powering the world’s payments ecosystem\nACI 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.\nAs a Sr. Software Engineer in Norcross, GA, you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem!\nPosition Summary\nWe are seeking an experienced Senior Software Engineer to join the MTS Development team responsible for one of the industry's most critical high-value payments platforms. This role will focus on maintaining, enhancing, and modernizing core payment processing capabilities while supporting regulatory mandates, customer commitments, platform resiliency, and long-term product sustainability.\nThe ideal candidate will be a strong software engineer with experience in complex enterprise applications, payment systems, mission-critical production support, and large-scale modernization initiatives.\nKey Responsibilities\nDesign, develop, and maintain core MTS platform capabilities.\nDeliver customer and regulatory commitments including payment network mandates.\nParticipate in production issue resolution and root cause analysis.\nSupport modernization initiatives including 64-bit migration, ISO 20022, structured address, security, and platform enhancement programs.\nCollaborate with Product Management, Professional Services, Quality Engineering, and Customer Support teams.\nAct as a technical mentor and support knowledge transfer initiatives.\nDrive engineering excellence through automation, testing, observability, and quality improvements.\nLeverage AI-assisted engineering tools to improve productivity and code quality.\nRequired Qualifications\n5+ years of software development experience.\nStrong COBOL and enterprise application development experience.\nExperience working with large-scale transaction processing platforms.\nExperience debugging complex production issues.\nStrong understanding of software architecture, integration patterns, APIs, and database technologies.\nExperience with secure software development practices.\nExcellent communication and collaboration skills.\nPreferred Qualifications\nPayments industry experience (Fedwire, CHIPS, SWIFT, ISO 20022).\nExperience supporting Tier-1 financial institutions.\nExperience with cloud migration and modernization initiatives.\nKnowledge of high-availability and mission-critical systems.\nExperience using AI engineering tools such as Copilot, Cursor, Claude, or equivalent.\nSuccess Measures\nSuccessful delivery of roadmap and mandate commitments.\nReduction in production incidents and resolution time.\nIncreased automated test coverage.\nEffective knowledge transfer and documentation.\nContribution to long-term platform sustainability.\nApplicants 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.\nIn 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.\nAre you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at www.aciworldwide.com Job ID (Requisition #19609)\nACI 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.\nImportant Notice About Recruitment Scams\nJob 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 (www.aciworldwide.com / @aciworldwide.com). 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