Summary
Overview
Work History
Education
Skills
Timeline
Generic

Balakrishnan Rajappa

Software Architect at Ericsson | Tech Lead | Full Stack Developer(Java, Spring, Angular) | Kubernetes | Microservice | Python |Telecom BSS and OSS | IOT | ERP
Bengaluru

Summary

Ericsson relies on a Software Architect with over a decade of experience in designing and delivering scalable Java and microservice-based solutions. With expertise in solutioning, resource and delivery planning, and production-ready implementations, the role supports seamless software development and deployment in highly complex Telecom BSS/OSS ecosystems.

Proficient in Java, Spring, Kubernetes, and Angular, the team leverages cloud-native technologies and agile methodologies to drive innovation and efficiency. Familiarity with Python and AI/ML further enhances capabilities in addressing modern technological challenges, ensuring the delivery of robust solutions tailored to meet client needs.

Overview

13
13
years of professional experience
5
5
Languages

Work History

Software Architect

Ericsson India Global Services Pvt Ltd
Bengaluru, India
04.2025 - Current

• Promoted to Software Architect at Ericsson after successfully delivering over20 Change Requests annually from 2022 to 2024 with zero failures.

• Responsible for CR solutioning, resource allocation, and delivery planning to ensure project success.

• Conducted thorough reviews of code and delivery documents, enhancing quality and efficiency.

• Prepared Software Design (SD) and High-Level Design (HLD) documents, including Jira epic creation for streamlined project management and flow diagrams using UML and Visio tools.

Technical Lead

Ericsson India Global Services Pvt Ltd
Bengaluru, India
05.2023 - 04.2025

• Promoted to Technical Lead after successfully delivering 20+ Change Requests (CRs) in 2022 and 11+ in Q1 and Q2 of 2023 with zero failures. • Mentored and trained new joiners on application processes and essential skillsets, fostering a collaborative team environment.

• Conducted Agile ceremonies including stand-up calls, sprint planning, reviews, ensuring effective project delivery.

• Developed automation tools that reduced effort by 15% per CR, enhancing overall team efficiency.

• Lead L3 and ADM teams on solutioning, code and document reviewing and approving, conduction go live pre and post process (PT, HO, deployment, handled live traffic).

• Involved CR solutioning, efforts preparation, Resource and delivery planning, Go live process and support and production outage support.

Senior Solution Integrator

Ericsson India Global Services Pvt Ltd
Bengaluru, India
09.2018 - 05.2023

• In my role at Ericsson, I contributed significantly to the development and automation of Telecom BSS services.

• I was responsible for end-to-end project cycles, focusing on application security and reusable code.

• My efforts led to successful project handovers and the delivery of numerous change requests, earning me recognition as a key contributor.

• I also adeptly managed production outages and go-live activities, ensuring operational continuity.

Tech Lead

Lotus Wireless Technology India Pvt Ltd
Bengaluru, India
04.2017 - 09.2018

I played a pivotal role in driving application development and team success at Lotus Wireless Technologies India Pvt. Ltd.

• Gathered requirements and crafted solutions that improved application performance and user satisfaction.

• Mentored team members in development and testing, enhancing their skills and productivity.

• Conducted thorough code reviews, ensuring quality standards were met before Go Live.

• Achieved a seamless Go Live process, resulting in a 90% reduction in post-launch issues.

Full-stack Developer

Hewlett Packard Enterprise, HPE
Bengaluru, India
02.2016 - 04.2016

• Actively participated in Agile process, ensuring effective communication and project alignment within the team.

• Developed a robust Test Automation tool using Selenium, significantly improving code quality and compliance with standards.

• Created reusable and robotic code, ensuring efficiency and security acrossmicroservices.

Full Stack Developer

Focuz InfoTech
Kochi, India
12.2013 - 12.2015

• Collaborated with clients on-site to gather business requirements and ensure effective offshore coordination.

• Led the development of full-stack applications, including HRMS, Document Flow, and Academic Forms.

• Developed a mailing flow module from scratch, streamlining communication processes for the organization.

• Implemented client-side validations using JavaScript and created PostgreSQL functions to enhance application performance.

• Played a key role in critical application releases, ensuring seamless client interactions and successful data migrations.

Full Stack Developer

DCS Technology
Bengaluru, India
09.2012 - 12.2013
  • Developed and maintained responsive web applications using JavaScript, HTML and CSS, enhancing user experience and engagement.
  • Collaborated with cross-functional teams to gather requirements and design Struts APIs, improving communication between front-end and back-end systems.
  • Implemented database solutions using Oracle, ensuring data integrity and optimizing query performance for scalable applications.

Education

Bachelor of Science -

Mahendra Institute of Technology
Mahendrapuri, Thiruchengode, Tamil Nadu
04.2001 -

Skills

Core Java

Spring Framework

Spring Boot

Angular

JPA

JavaScript

Maven

ActiveMQ

Infinispan

Microservice

Kubernetes

Python

AI/ML

Timeline

Software Architect

Ericsson India Global Services Pvt Ltd
04.2025 - Current

Technical Lead

Ericsson India Global Services Pvt Ltd
05.2023 - 04.2025

Senior Solution Integrator

Ericsson India Global Services Pvt Ltd
09.2018 - 05.2023

Tech Lead

Lotus Wireless Technology India Pvt Ltd
04.2017 - 09.2018

Full-stack Developer

Hewlett Packard Enterprise, HPE
02.2016 - 04.2016

Full Stack Developer

Focuz InfoTech
12.2013 - 12.2015

Full Stack Developer

DCS Technology
09.2012 - 12.2013

Bachelor of Science -

Mahendra Institute of Technology
04.2001 -
Balakrishnan RajappaSoftware Architect at Ericsson | Tech Lead | Full Stack Developer(Java, Spring, Angular) | Kubernetes | Microservice | Python |Telecom BSS and OSS | IOT | ERP