Hi, I’m
Sameer Mahajan
Tech lead/ Architect
Mckinney,TX
Summary
A seasoned Architect and Technical Lead with 15+ years of experience across diverse industries including Telecommunications, Healthcare, Banking, Loyalty, Finance, and Insurance. Expertise in designing and implementing scalable solutions with hands-on experience in microservices architecture, cloud technologies, and TDD (Test Driven Development). Expert in the Java back-end technologies including Spring framework, Kafka, BPM tools, hibernate Various AWS services and terraform. Familiar with UI technologies like Java script and Angular Experienced technical leader, having mentored the team members, and being responsible for overall delivery of agile sprints Certified AWS Solutions Architect with hands-on experience in designing scalable cloud solutions
Overview
18
years of professional experience
Work History
Avant Garde - Capital OnePlano, TX
Senior Engineer
11.2023 - 01.2025
Job overview
- Led microservices enhancement for the Keep My Payments Simple (KMPS) team, focusing on one-time and recurring payment options in a cloud-native architecture using Spring Boot, AWS, and microservices
- Spearheaded the design and development of scalable, high-availability solutions for dealer servicing, improving operational efficiency and user experience.
Options Clearing Corporation, OCC
Technical Lead / Senior Engineer
05.2023 - 10.2023
Job overview
- Led the development of Flink-based streaming applications for stress testing and clearing fund analysis using Spring Boot, Kafka, and AWS
- Focused on distributed processing and deployed services in Kubernetes clusters, ensuring scalability and fault tolerance for large data sets in OCC's financial applications..
Capital One - Auto Refinance
Senior Java Developer
01.2021 - 09.2022
Job overview
- Contributed to a vehicle loan refinance solution, including vehicle valuation, credit assessments, and loan services for US customers
- Worked with stakeholders on requirements, coordinated releases, and fixed UI-related issues using Angular
- Enhanced API and microservices using Spring Boot and AWS ECS.
Avant Garde - CareCentrix
Technical Architect / Lead
07.2020 - 01.2021
Job overview
- Played a key role in migrating legacy services to microservices for CareCentrix employee portal, covering provider and member registrations, and physician searches
- Mentored team members, ensured coding standards, and drove sprint deliveries while integrating with DevOps for seamless CI/CD.
CareFirst - Nexus API
Technical Architect
03.2020 - 06.2020
Job overview
- Led the development of an enterprise API layer for member and shopping applications, migrating on-prem databases to the cloud using AWS
- Managed offshore team and collaborated on technical designs, API development, and Kafka-based event-driven architecture.
Photon Infotech
Technical Architect
01.2018 - 10.2019
Job overview
- Led API strategy and delivery for JP Morgan Chase, transitioning to an API-first approach with RESTful services, OAuth2 security, and API governance.
Tech Mahindra Ltd
Solutions Architect
06.2014 - 01.2018
Job overview
- Led digital transformation initiatives for T-Mobile, designing and implementing APIs for retail return processes using APIGEE and Spring Boot
- Developed APIs for AT&T’s Grid Manager utilizing Oracle and MongoDB, optimizing CRUD operations.
Marlabs Software Pvt. Ltd
Technical Lead
09.2012 - 04.2014
KPIT Cummins Infosystems Ltd
Senior Software Engineer
01.2008 - 08.2011
Wipro Technologies
Software Engineer
10.2006 - 01.2008
Education
Dr. Babasaheb Ambedkar Marathwada University
Bachelor of Engineering from Computer Science & Engineering
June 2002
Accomplishments
- AWS Certified Solutions Architect – Associate
- Technical Skills
- Languages: Java, Spring Boot, Spring MVC, JPA, Hibernate, Angular
- Frameworks/Technologies: Microservices, Spring Framework,, JMS, Kafka, Ksql, Kafka connect, Flink, REST, API Gateways (APIGEE, IBM API Connect), Kafka Connect, KSQL, docker containerization, Camunda, Active Vos
- Cloud: AWS, GCP and Terraform
- Tools: Git, CVS, Maven, Gradle, Jenkins, Swagger, Postman, Junit, SonarQube
- Databases: PostgreSQL, MySQL, Oracle, DB2, MongoDB, Cassandra
- Methodologies: Agile, Scrum, TDD, CI/CD
- Leadership Skills
- Technical lead: Experienced technical lead, having led and mentored offshore/onshore teams for various projects
- Successfully completed assignments with overall delivery responsibility
Certification
AWS Certified Solutions Architect Associate
Timeline
Senior Engineer
Avant Garde - Capital One
11.2023 - 01.2025
Technical Lead / Senior Engineer
Options Clearing Corporation, OCC
05.2023 - 10.2023
Senior Java Developer
Capital One - Auto Refinance
01.2021 - 09.2022
Technical Architect / Lead
Avant Garde - CareCentrix
07.2020 - 01.2021
Technical Architect
CareFirst - Nexus API
03.2020 - 06.2020
Technical Architect
Photon Infotech
01.2018 - 10.2019
Solutions Architect
Tech Mahindra Ltd
06.2014 - 01.2018
Technical Lead
Marlabs Software Pvt. Ltd
09.2012 - 04.2014
Senior Software Engineer
KPIT Cummins Infosystems Ltd
01.2008 - 08.2011
Software Engineer
Wipro Technologies
10.2006 - 01.2008
Dr. Babasaheb Ambedkar Marathwada University
Bachelor of Engineering from Computer Science & Engineering
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