Summary
Overview
Work History
Education
Skills
Interests
Timeline
AccountManager

Sayan Sengupta

UI Tech Lead (AVP) at Barclays
Pune

Summary

With over 15 years of experience in Frontend Development and Architecture, I specialize in building scalable, user-focused applications that bring business ideas to life. Currently, I lead as a Tech Lead (AVP) at Barclays, where I drive frontend strategy, solutioning, and delivery for enterprise-grade platforms. My expertise spans ReactJS, React Native, Angular, JavaScript, HTML, CSS, API integration, and CI/CD pipelines. Over the years, I’ve not only developed applications hands-on but also guided teams in adopting modern frameworks, reusable architectures, and best practices that enhance performance and maintainability. Mentorship and collaboration are at the core of how I work. I enjoy coaching developers, architecting innovative solutions, and aligning technical roadmaps with business priorities. Whether it’s improving development workflows, integrating with complex backend systems, or ensuring seamless user experiences, I thrive on problem-solving at scale. I am passionate about continuous learning, solution-oriented leadership, and driving innovation in frontend technologies to create lasting impact in the digital space.

Overview

15
15
years of professional experience

Work History

Assistant Vice President

Barclays Global Service Centre
06.2023 - Current
  • Established a high-performance culture within the frontend team by setting clear expectations and providing regular feedback on individual performance contributions.
  • Optimized resource allocation by analyzing operational needs, reallocating resources as needed to maximize efficiency across all functions.
  • Increased efficiency by streamlining processes and implementing new software tools for the team.
  • Led cross-functional teams to deliver successful projects on time and within budget, enhancing company reputation in the industry.
  • Drove innovation by encouraging creative problem-solving among team members and staying abreast of industry trends and best practices.
  • Collaborated closely with executive leadership to align department goals with overall company objectives, resulting in stronger organizational cohesion.
  • Facilitated team growth by enhancing skills in frontend technologies including React Native, ReactJS, Angular, JavaScript, and Accessibility.

Sr UI Developer

Barclays Global Service Centre
07.2019 - 06.2023
  • Enhanced user experience by designing intuitive and visually appealing interfaces for web and mobile applications.
  • Presented findings from usability tests and design critiques to stakeholders, fostering a culture of continuous improvement within the team.
  • Conducted thorough usability testing to identify areas for improvement, resulting in more effective interfaces.
  • Led the design and implementation of responsive layouts, ensuring optimal user experience across various devices.
  • Implemented A/B testing strategies to evaluate interface variations, leading to data-driven improvements in user experience.
  • Reduced load times and optimized performance by implementing efficient coding techniques and best practices.
  • Established style guides and pattern libraries, maintaining consistency across multiple projects while minimizing design debt.
  • Collaborated with cross-functional teams to develop seamless user flows, resulting in improved customer satisfaction.

Technical Architect

ValueLabs
02.2018 - 06.2019
  • Mentored junior team members on best practices and technical skills, fostering a culture of continuous learning and improvement.
  • Collaborated with clients to determine project specifications and scope.
  • Resolved complex technical issues by troubleshooting systems, analyzing root causes, and implementing effective fixes.
  • Proactively monitored system performance trends to anticipate potential issues before they escalated into larger problems.

Tech Lead - UI and Accessibility Practices

Cognizant Technologies Solutions
12.2012 - 02.2018
  • Mentored junior developers through regular 1-on-1 meetings, providing guidance on best practices, coding standards, and career growth opportunities.
  • Coordinated with cross-department teams like QA, DevOps, and Support to ensure seamless end-to-end software delivery process.
  • Implemented continuous integration and deployment strategies for faster release cycles and improved application reliability.
  • Maintained close communication with clients throughout project life cycles for accurate progress reporting and prompt issue resolution.
  • Enhanced team productivity by implementing agile methodologies and promoting continuous integration and deployment practices.
  • Coordinated cross-functional teams to ensure seamless integration of new features, resulting in more robust product offering.
  • Facilitated knowledge sharing sessions, strengthening team expertise and fostering collaborative work environment.
  • Streamlined project delivery processes, achieving milestones ahead of schedule without compromising on quality.
  • Proved successful working within tight deadlines and a fast-paced environment.
  • Supervised work of programmers, designers and technicians, assigned tasks and monitored performance against targets.
  • Tested and deployed scalable and highly available software products.
  • Estimated work hours and tracked progress using Scrum methodology.
  • Authored code fixes and enhancements for inclusion in future code releases and patches.
  • Coordinated deployments of new software, feature updates and fixes.

Sr Web Designer

Softz Solutions Pvt. Ltd
06.2010 - 12.2012
  • Collaborated with cross-functional teams to ensure seamless integration of web designs with overall marketing strategies.
  • Spearheaded website redesign projects from concept development through launch, ensuring timely completion within budget constraints.
  • Designed responsive websites that optimized user experience across various platforms and devices.
  • Contributed to increased conversion rates by designing effective landing pages with clear callstoaction.
  • Developed custom graphics and icons for improved visual appeal, contributing to brand consistency.
  • Improved mobile-first responsiveness by employing flexible grids and fluid layouts in web designs.
  • Presented design concepts to stakeholders, gathering feedback for revisions or approval while maintaining strong communication throughout projects'' lifecycles.
  • Established a cohesive brand identity through consistent use of typography, color schemes, and imagery across all digital platforms.
  • Mentored junior designers, providing guidance and support to enhance their skills and promote professional growth.

Education

Bachelor of Science - Geography

Calcutta University
Kolkata
04.2001 -

Higher Secondary - All

West Bengal Council of Higher Secondary Education
Kolkata
04.2001 -

Skills

React Native

Interests

Solution Architecture

Innovation

Driving

Travelling

Timeline

Assistant Vice President

Barclays Global Service Centre
06.2023 - Current

Sr UI Developer

Barclays Global Service Centre
07.2019 - 06.2023

Technical Architect

ValueLabs
02.2018 - 06.2019

Tech Lead - UI and Accessibility Practices

Cognizant Technologies Solutions
12.2012 - 02.2018

Sr Web Designer

Softz Solutions Pvt. Ltd
06.2010 - 12.2012

Bachelor of Science - Geography

Calcutta University
04.2001 -

Higher Secondary - All

West Bengal Council of Higher Secondary Education
04.2001 -
Sayan SenguptaUI Tech Lead (AVP) at Barclays