About T-Mobile: T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is America’s supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience. About TMUS Global Solutions: TMUS Global Solutions is a world-class technology powerhouse accelerating the company’s global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking. TMUS India Private Limited operates as TMUS Global Solutions.

About the Role
• The Senior Software Engineer will lead the design, development, and continuous improvement of T-Mobile’s internal Workforce Management platform, with deep expertise in Advanced scheduling, forecasting capabilities powered by UKG Pro WFM (formerly UKG Dimensions), built on a strong foundation in UKG Timekeeping. This is a senior role requiring independent judgment to resolve complex technical challenges, drive design innovation, and deliver high-quality software solutions with a strong emphasis on configuration, quality, on-time technology and business solutions and architectural best practices.
• The Senior engineer will own and evolve the scheduling and forecasting solution, including labor forecasting models, staffing and labor standards, schedule generation policies. They will also mentor engineers on patterns and practices that raise the bar for the entire team. Working closely with Product, Architecture, QA, Operations, Workforce Planning and Finance partners, and UKG, they will translate complex workforce management requirements into scalable, maintainable, and well-tested reliable solutions.
• This role is AI-enabled: senior engineers are expected to lead by example in leveraging tools such as Claude to accelerate configuration development, improve quality, automate repetitive workflows, and drive innovation in scheduling, forecasting capabilities. They actively champion AI-assisted development practices within the team. Success is measured by the quality and reliability of delivered solutions, forecast and schedule accuracy, technical contributions to design and architecture, mentoring effectiveness, and the ability to drive continuous improvement across the WFM platform.
• We pride ourselves on encouraging a culture of innovation, agile ways of working, and transparency in all we do. Join us in embodying the spirit of the Un-carrier and make a tangible impact What You’ll Do:
• Configure Advanced Scheduling, including schedule rule sets, shift templates, open shifts, coverage requirements,



and skill-based or job-based scheduling.
• Configure and tune forecasting and labor demand, including forecast drivers, labor standards, and labor forecast limits.
• Understand how the Auto-Scheduler applies rules, and check that the schedules it creates match business intent.
• Configure and maintain UKG Timekeeping, including pay rules, work rules, overtime and premium pay, shift differentials, rounding, and timecard setup.
• Configure and maintain Accruals, including accrual profiles, grants, carryover, and balance adjustments.
• Gather business requirements, turn them into transparent configuration designs and work with Product Owners in user stories creation and defining acceptance criteria.
• Lead requirements and design sessions with business, HR, and operations partners and recommend the best approach.
• Contribute to front-end and back-end features for internal web applications that support timekeeping processes.
• Test configuration changes, support UAT, and support cut-over and post-go-live issues.
• Investigate and resolve configuration and data issues, finding the root cause and implementing preventive fixes in place.
• Review UKG releases, document impacts and lead testing of UKG features before changes are migrated to Production.
• Manage configuration changes across environments following change control practices.
• Configure Hyper finds, reports, Data views, and exports; use SQL and the UKG DataHub to validate data and results.
• Work with HCM and integration teams to make sure employee, job, and location data flows correctly into UKG.
• Set configuration standards and mentor junior team members.
• Act as the escalation point with UKG support for complex issues.
• Leverage AI tools, including Claude and similar platforms, to accelerate development, automate workflows, generate documentation, and continuously improve the quality of timekeeping solutions.
• Document configuration decisions, test results, and support guides.
• Lead design and configuration reviews, ensuring maintainability, scalability, and reliability. What You’ll Bring:
• Bachelor’s degree in business, Information Systems, Computer Science, or a related field,



plus 5+ years of related work experience; or advanced degree with 3 years; or equivalent combination of education and experience.
• 5+ years of hands-on UKG Pro WFM (or UKG Dimensions) configuration experience.
• Hands-on experience with UKG Pro WFM (formerly UKG Dimensions), including configuration, integration, or custom development.
• Strong working knowledge of timekeeping and payroll concepts, including pay rules, overtime, accruals, timecard auditing, and how time data flows to payroll.
• Expertise in Advanced Scheduling configuration, including schedule rules, coverage, and the Auto-Scheduler.
• Ability to mentor others and work well with stakeholders at all levels.
• Familiarity with CI/CD tooling and cloud deployment environments (AWS, Azure, or GCP).
• Excellent problem-solving abilities to address and resolve technical and strategic challenges.
• Exceptional communication skills for effective collaboration and presentation to technical and business stakeholders at all levels.
• Strong self-starter mindset with the ability to take initiative in a fast-paced, agile environment.
• Proficiency in productivity applications such as MS Word, PowerPoint, Excel, and Visio.
• Openness to working in an AI-enabled environment, actively using tools like Claude to boost productivity, generate solutions, and drive continuous improvement. Required Technical

Skills:
• 5+ years of UKG Pro WFM or UKG Dimensions configuration.
• UKG Timekeeping: pay rules, work rules, overtime calculations, shift differentials, and timecard auditing.
• UKG Accruals: accrual profiles, carryover rules, grants, and proration.
• UKG Advanced Scheduling: schedule rule sets, shift templates, open shifts, coverage requirements, skill-based and job-based scheduling, and schedule generation.
• UKG Forecasting and labor demand: forecast drivers, labor standards, and labor forecast limits.
• Hyper find, Data views, Standard Reports, and export scheduling.
• SQL for data validation and troubleshooting.
• Working knowledge of the UKG Pro WFM Datahub (BigQuery) is a plus.
• Test case design and UAT support.
• Experience with SDLC methodologies (Agile, Scrum) and Git-based version control; Jira and Confluence. Preferred

Skills:
• UKG Certification in Timekeeping, Accruals, Forecasting or Scheduling.
• Experience measuring forecast accuracy and schedule effectiveness using UKG reports, Datahub, and SQL.
• HCM domain awareness (Workday preferred): employee lifecycle, org structures, labor levels, and job hierarchies.
• Experience with UKG release impact analysis and multi-environment configuration.
• Implementation experience with large retail or multi-location workforce.

📌 Sr Engineer, Software (Hyderabad)
🏢 TMUS Global Solutions
📍 Hyderabad