POS Technical Lead (Retail Checkout & POS Modernisation)

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Role: AWS Full Stack Developer

Job Type: Permanent

Location: London, UK / Hybrid

Number of hours: 40 hours per week – full time

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Careers at TCS:

It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. • Build strong relationships with a diverse range of stakeholders. • Gain access to endless learning opportunities. • Work closely with the range of teams within the business to bring products to life.

The Role

Seeking an experienced POS Technical Lead to provide technical leadership for POS testing, automation engineering, and retail technology transformation across large-scale retail environments. The role will be instrumental in driving Emerald POS modernization, enhancing checkout platforms, integrating retail peripherals, and advancing automation and platform engineering capabilities. The successful candidate will lead innovation initiatives, ensure scalable solution delivery, and support the evolution of next-generation retail checkout systems.

Your responsibilities:

• Lead the architecture, design, and successful delivery of POS solutions across supermarkets, convenience stores, self-checkout environments, and petrol forecourt operations.
• Drive the modernization of retail checkout platforms by transforming legacy POS systems into scalable, containerized, and microservices-based solutions.
• Partner with business stakeholders, solution architects, vendors, and engineering teams to translate business objectives into robust and future-ready technology solutions.
• Oversee the integration of POS peripherals, including scanners, printers, scales, payment devices, and other in-store hardware components.
• Champion the adoption of AI-driven quality engineering practices through automation frameworks, emulators, intelligent testing, and robotic validation solutions.
• Provide technical leadership, coaching, and mentorship to project teams while serving as the primary escalation point for complex POS-related initiatives.
• Collaborate closely with platform, infrastructure, security, and operations teams to ensure seamless deployments, operational readiness, and high service reliability.

Your Profile

Essential skills/knowledge/experience:

• Strong expertise in NCR Voyix and Emerald POS platforms, with proven experience in retail POS implementation, modernization, and support.
• In-depth knowledge of Self-Checkout (SCO) solutions and retail checkout technologies across large-scale store environments.
• Hands-on experience in Store Controller operations, POS peripheral integration, and device management.
• Proficiency in code quality and continuous improvement practices using tools such as SonarQube.
• Strong experience in developing and maintaining test automation solutions using Selenium Grid and Cucumber BDD frameworks.
• Demonstrated expertise in AI-powered quality engineering and intelligent test automation methodologies.
• Solid understanding of POS emulation technologies, hardware abstraction layers, device virtualization, and retail systems testing.
• Proven ability to design and implement scalable automation frameworks that enhance delivery efficiency and test coverage.
• Excellent stakeholder management, communication, and collaboration skills, with the ability to engage effectively across business and technical teams.
• Strong leadership capabilities with experience guiding cross-functional teams in complex retail transformation initiatives.

Desirable skills/knowledge/experience:

• Payment industry standards (PCI-DSS)
• Self-checkout solutions
• Retail fuel/forecourt systems
• Performance testing tools (JMeter, LoadRunner)
• AI-driven test automation solutions

Rewards & Benefits (Default)

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.

Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at UKI.recruitment@tcs.com if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at UKI.recruitment@tcs.com with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps:

Application Process (optional)

1. Online application: You can apply directly through LinkedIn/ by uploading your CV. In case you wish to submit your application via another format like audio/video, please, contact - UKI.recruitment@tcs.com
2. Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person. Details will be confirmed by your recruiter.
3. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit.
4. HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have.

Beware of Fraudulent offers

This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.