POS Developer

The POS Developer works closely with Leads, Architects, QA, Sales teams, and business stakeholders to deliver and enhance POS functionality across pilot and production environments. Responsibilities include building POS features, configuring store and transaction setups, supporting integrations, resolving production issues during rollouts and BAU, and providing technical inputs for client proposals and solution discussions.
 

Responsibilities

• Develop and configure POS application features for retail stores
• Implement POS transaction flows (sales, returns, exchanges, promotions)
• Integrate POS with payments, OMS, ERP, inventory, and sales audit systems
• Configure stores, registers, tenders, taxes, and receipts
• Troubleshoot and resolve issues in SIT, UAT, and Production
• Support releases, deployments, upgrades, and rollback activities
• Ensure transaction accuracy and financial integrity
• Collaborate with QA, integration, operations, and sales teams
• Support Pre‑sales & Sales with technical inputs, estimates, and solution walkthroughs
• Maintain technical documentation and runbooks

Qualifications

Required Skills & Experience

• 4–8 years of hands‑on development experience on POS or retail store applications
• Strong understanding of POS transaction lifecycles and in‑store operations
• Experience with payments, tenders, pricing, promotions, taxes, and sales audit
• Working knowledge of APIs, system integrations, and event‑based architectures
• Experience supporting high‑volume retail production systems
• Familiarity with version control, release management, and deployment processes

Nice to Have

• Experience with Aptos ONE / Aptos POS *
• Exposure to store rollouts, pilots, or multi‑store retail environments
• Omni‑channel retail experience (BOPIS, BORIS, ship‑from‑store)
• UK / Europe retail exposure (tax, fiscalization, compliance)
• Exposure to POS hardware and device ecosystems (MDM, printers, pin pads, scanners)

About UsAt Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.
Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.
We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.