Mantavya Kumar — Software Engineer

Technical Architect with over 14+ years of experience designing and governing large-scale, mission-critical backend platforms across Telecom, Banking, Credit Risk and Billing domains. I currently work at BT Group as a Technical Architect, responsible for reviewing, shaping, and governing solution designs for B2B digital commerce, billing, and common capability platforms, supporting both customer-led self-service and agent-assisted journeys. My focus is on platform-scale architecture ensuring solutions are scalable, resilient, secure, cost efficient and operationally sound while enabling multiple delivery teams through clear architectural standards, reusable capabilities, and pragmatic decision-making. I bring strong depth in Java-based distributed systems and apply an API-first, event-driven approach to help organisations build systems that scale reliably under high-volume, enterprise workloads. Previously, I have worked with Silicon Valley Bank and JP Morgan Chase, contributing to core engineering and data platforms handling high-throughput, distributed processing with strict non-functional and regulatory requirements. ⸻ 🔑 Core Strengths 🔹 Software & Solution Architecture 🔹 Distributed Systems & System Design 🔹 B2B Platforms & Common Capability Architecture 🔹 Java, Spring Boot, Microservices, Kafka, REST APIs 🔹 Cloud-native architecture (AWS), CI/CD & DevOps awareness 🔹 Scalability, Performance, Resilience & Security 🔹 Architecture Reviews, Design Governance & Technical Leadership 🔹 Mentoring engineers and aligning teams toward platform thinking I am open to Senior Backend Engineering, Principal Engineer, microservices leadership or Architect roles in India, Europe or Dubai/UAE.

Stackforce AI infers this person is a Backend-heavy Architect in Fintech and Telecom sectors.

Location: Bengaluru, Karnataka, India

Experience: 12 yrs 9 mos

Skills

Software Architecture
Systems Design
Microservices
Java
Data Engineering
Web Applications

Career Highlights

14+ years in technical architecture across multiple domains.
Expert in scalable, resilient, and secure backend platforms.
Proven leadership in mentoring and aligning engineering teams.

Work Experience

BT Group

Technical Architect (4 mos)

Technical Lead (2 yrs 6 mos)

Silicon Valley Bank

Software Development Engineer III (1 yr 11 mos)

JPMorgan Chase & Co.

Software Development Engineer II (4 yrs)

CGI

Software Engineer (1 yr 11 mos)

Associate Software Engineer (2 yrs 1 mo)

Education

Bachelor of Technology - BTech at Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow

Mantavya Kumar

Software Engineer

Bengaluru, Karnataka, India12 yrs 9 mos experience

Highly Stable

Key Highlights

14+ years in technical architecture across multiple domains.
Expert in scalable, resilient, and secure backend platforms.
Proven leadership in mentoring and aligning engineering teams.

Stackforce AI infers this person is a Backend-heavy Architect in Fintech and Telecom sectors.

Contact

Skills

Core Skills

Software ArchitectureSystems DesignMicroservicesJavaData EngineeringWeb Applications

Other Skills

Architectural DesignModel DesignWeblogicE-CommerceNetcracker billing engineTMF API’sOracle Network MediationBilling SystemsSystem TransformationNetflix conductorMangoDBAPI OrchestrationSystem Optimization (Cost & Scale)Kubernetes & CloudDevOps Automation

About

Experience

12 yrs 9 mos

Total Experience

3 yrs 3 mos

Average Tenure

2 yrs 10 mos

Current Experience

Bt group

2 roles

Technical Architect

Promoted

Jan 2026 – Present · 4 mos · Bengaluru, Karnataka, India

Technical Architect, responsible for reviewing and shaping solution designs for BT Business’ B2B e-commerce platform, supporting both customer-led self-service and agent-assisted journeys.
Currently focused on ensuring architectural consistency, scalability, and non-functional excellence across common platform capabilities used by multiple delivery teams.

Software ArchitectureSystems Design

Technical Lead

Jun 2023 – Dec 2025 · 2 yrs 6 mos · Bengaluru, Karnataka, India

Component Lead | Billing Transformation
Led architecture of cloud-native Java microservices supporting enterprise billing platforms.
Designed event-driven systems using Kafka and REST-based integrations.
Improved system scalability, performance, and reliability in production environments.
Collaborated with global engineering and business stakeholders.

JavaMicroservices

Silicon valley bank

Software Development Engineer III

Jul 2021 – Jun 2023 · 1 yr 11 mos · Bengaluru, Karnataka, India · On-site

Data Engineering | MDM | Architecture & Development
Led end-to-end data engineering initiatives from architecture design to delivery of Kafka pipelines processing millions of records daily and microservices powering master data creation & streaming.
Collaborated with cross-functional teams to resolve technical challenges, drove POCs to production-ready solutions, and represented the data engineering team in complex projects.
Mentored junior developers and enabled team growth in Java and data technologies.

Systems DesignArchitectural DesignData Engineering

Jpmorgan chase & co.

Software Development Engineer II

Jul 2017 – Jul 2021 · 4 yrs · Bengaluru Area, India · On-site

Core Engineering Team*
Involved in developing the framework E2E from scratch.
Proof of Concept/Spike for business use cases and tools integration.
Requirement Gathering and Analysis.
Design and developing the wireframes.
Developing Rest API’s and implementing business logic in single page application components.
Involve in developing Microservice blueprints for different platform deployment.
Writing Complex Hibernate SQL queries.
Handling Jira Creation and mentoring juniors.
Involve in all phases of SDLC using Java/J2EE and related technologies.
Helping team members technically to get understanding about Use Cases Implementation.

Model DesignJavaMicroservices

Cgi

2 roles

Software Engineer

Promoted

Apr 2015 – Mar 2017 · 1 yr 11 mos · Hyderabad Area, India

Worked in Telecom Projects
Designing Flow Diagrams for Business Use case.
Exposing different endpoints as per business needs.
Implementation of Proof of Concept.
Created new stored procedures/tables/schemas on ORACLE database.
Mentored new members in the team to enhance the efficiency of the team work.
Involved in working on almost all phases of software development life cycle using Java/J2EE and related technologies.
Have exposure in Telecom Domain.
Awards:
Got Pegasus Award ( Individual Performer Achievement)

WeblogicJavaWeb Applications

Associate Software Engineer

Feb 2013 – Mar 2015 · 2 yrs 1 mo · Hyderabad Area, India

I have been part of Application Development Team working as Java/J2EE developer. As a Team Member involved in understanding the interface-related systems and developing the same. Worked on the construction of various modules and designed unit test cases and SIT test cases for that.
Involved in working on almost all phases of software development life cycle using Java/J2EE and related technologies.