Subasis Sahoo
Hyderabad
Summary
Dynamic and results-driven Enterprise Architect with over 20 years of experience in designing and implementing secure, highly available enterprise systems. Expertise in driving digital transformation through the modernization of core platforms and integration of pioneering technologies, particularly within Telecom Business Support Systems (BSS) for major US telecom providers such as Verizon. Proficient in architecting modern technology stacks, including Microservices and Cloud-Native components, while leveraging open-source technologies like Java, Python, and NodeJS. Proven leadership in strategic system integration and technical governance, fostering asset reuse, accelerating time-to-market, and delivering exceptional ROI across the wireline and wireless business landscape.
Overview
23
23
years of professional experience
1
1
Certification
Work History
Lead Technical Architect
Verizon India Pvt. Ltd
03.2020 - Current
- Provided solution design and technical leadership for a massive digital transformation of consumer collections (Wireline and Wireless) from a legacy third-party Mainframe system to a homegrown, custom-built solution.
- Designed and delivered high-throughput integration services using Spring Reactive, Spring Boot, AWS Managed Kafka, and AWS Lambda to connect Frontend Channels, Payment, Billing, and Fraud systems.
- Led the integration platform development between the third-party Cforia product and core enterprise customer billing and ordering systems (Feb 2021 – Present).
- Managed the critical gateway service between OCA and Verizon, supporting the recovery system using Python Django deployed on AWS EC2 instances, and integrating with the legacy Mainframe collection system (Aug 2020 – Jan 2021).
Technical Architect
Verizon India Pvt. Ltd
10.2014 - 03.2020
- Drove the transformational journey for Enterprise/Wholesale Collection, migrating from legacy WebLogic and .NET platforms to a modern Cloud-based Microservices architecture using Node.js, Apigee, and Spring Boot.
- Created a Proof of Concept (PoC) for a Blockchain service using Hyperledger Fabric 2.0 to manage claims between Verizon and other US Telcos (Nov 2018 – Aug 2020).
- Defined the initial strategy for migrating On-Premises services (WebLogic/WebSphere) to AWS Cloud with DevOps, resulting in infrastructure cost savings, reduced time-to-market, and increased ROI (Jan 2017 – Jun 2018).
- Managed the migration of wholesale applications using comprehensive DevOps toolsets (SonarQube, Liquibase, Jenkins Build) and deployed database servers to AWS cloud instances (Mar 2016 – Jun 2017).
- Led a critical migration from Flex to Angular 1.x to enhance UI performance and page loading times for the Verizon Settlement Gateway service.
- Improved process efficiency by migrating Servlet-based services to Spring MVC with a refined architectural design (Jan 2015 – Mar 2016).
- Supported wholesale collection applications (claims and collections) on the J2EE platform using WebLogic 10.3 and Oracle 12c, including file transmission jobs managed by Linux shell scripts and Oracle stored procedures.
System Consultant / Senior Analyst
Verizon India Pvt. Ltd
10.2008 - 11.2014
- Developed the Wholesale collection application (claims and collections) utilizing the J2EE platform, WebLogic 10.3/8.1, and Oracle 11g.
- Managed workflows using the WebLogic Integration platform (JPD) and supported various file transmission jobs with Linux shell script and Oracle stored procedure.
- Wrote robust J2EE coding and unit testing, implemented SOA services, and applied various GoF Design patterns (Factory, Singleton, Builder, Template) for development activities.
- Developed integrated functionalities with the enterprise email system.
Sr. Software Engineer
Satyam Computers Private Ltd
06.2005 - 07.2008
- Provided web development support using Java Struts 1.1, JSP, Taglib, JavaScript/jQuery, and CSS.
- Supported Cisco-based clients on their partner opportunity management, quoting, and ordering application, including defect fixing and production support.
Software Engineer
Impetus Infotech
03.2004 - 03.2005
- Worked on a J2EE based application supporting Parts Planning and ERP solutions for Servigistics Inc.
- Responsible for coding, defect fixing, and debugging within the Java-based product lifecycle.
Software Developer
Apothecaries Limited
03.2003 - 03.2004
- Worked on a J2EE based application focused on supporting Healthcare products.
Education
Mechanical Engineering
Utkal University
Skills
- Microservice Architecture, Event Driven Framework
- (Spring Boot/Reactive/Cloud, Python (Django/Flask), NodeJS,
- Blockchain HLF 20,
- SOA, N-Tier (WebLogic/WebSphere/Tomcat)
- AWS Managed Kafka, AWS EKS, AWS Lambda, Google PubSub, Google Datastore, Google Storage
- Jenkins, Ansible, AWS CFT, SonarQube, Liquibase, Logstash, Splunk, New Relic
- Redis Cache, SOLR, Elastic Search, MySQL, Postgres, Oracle, Cassandra
- Apigee, Google Apigee
- Java, JavaScript/jQuery, CSS
- Application solution integration
Certification
- Currently Pursing Applied Generative AI - Purdue University
- Enterprise Architecture Togaf 10 Certified 2025
- TM Forum Certified 2025
- ISB 2022
- AWS Solution Architect 2017
- Architect Readiness Program (IIT Madras)
Timeline
Lead Technical Architect
Verizon India Pvt. Ltd
03.2020 - Current
Technical Architect
Verizon India Pvt. Ltd
10.2014 - 03.2020
System Consultant / Senior Analyst
Verizon India Pvt. Ltd
10.2008 - 11.2014
Sr. Software Engineer
Satyam Computers Private Ltd
06.2005 - 07.2008
Software Engineer
Impetus Infotech
03.2004 - 03.2005
Software Developer
Apothecaries Limited
03.2003 - 03.2004
Mechanical Engineering
Utkal University