Sr Software Engineer at ACI Worldwide – Pune | Jobyssey

Powering the world’s payments ecosystem

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.

As a Sr Software Engineer in Pune, you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem!

Job Summary:

Provides technical leadership of the plan, design, development of software systems or applications for software enhancements and new products. This role is ideal for a hands-on technologist who thrives in fast-paced environments and is passionate about building robust engineering foundations in the tech ecosystem.

Job Responsibilities:

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.
Coordinates the technical work of a small project team. Plans and schedules tasks for projects and individuals.
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.
8+ years software development experience.
Strong expertise in Java languages and programming.
Deep understanding of microservices architecture, RESTful APIs, and event-driven systems.
Extensive hands-on experience in building responsive and dynamic user interfaces using Angular or equivalent front-end frameworks.
Experience with at least one of the cloud platforms (AWS, Azure, Tanzu, etc)
Solid knowledge of containerization technologies (Docker, Kubernetes)
Familiarity with DevOps practices, CI/CD pipelines, and Observability tools. (e.g. Prometheus, Grafana, ELK)
Ability to collaborate with a global team and work with attention to detail & multitask under tight deadlines.
Excellent communication and leadership skills.

AI Skills Requirements

Must Have:

Prompt Engineering
AI Models & Providers
AI Safety and Data Security
Agentic Development
Evaluation & Operations (Evals & Ops)

Good to Have:

RAG (Retrieval-Augmented Generation)
MCP (Model Context Protocol)
Multi-Agent Systems
Fine-Tuning
LLM Architecture

Preferred Knowledge, Skills and Experience needed for the job:

Experience working with Indian and global engineering teams.
Exposure to fintech, e-commerce, SaaS, or enterprise platforms.

Work Environment:

Standard Work Environment
Majority time spent on PC (Phys. Req.)
Travel required, may be domestic or international

Core Capabilities:

We seek colleagues who embody our core capabilities — these shape our culture and enable us to make a meaningful impact together:

Ensure Accountability: holding self and others accountable to meet commitments.
Drives Results: consistently achieving results, even under tough circumstances.
Customer Focus: building strong customer relationships and delivering customer-centric solutions.
Cultivate Innovation: creating new and better ways for the organization to be successful.
Collaborates: building partnerships and working collaboratively with others.
Courage: stepping up to address difficult issues, saying what needs to be said.

Applicants must be currently authorized to work in the India 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

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 Scams
Job 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.

Sr Software Engineer

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