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Varun Mohla

@varunmohla

Staff Software Engineer at Atlassian, shaping the tenant and sharding platform behind Jira, Confluence, and other cloud products.

Australia

Message

At Atlassian, I serve as Tech Lead on the Tenant and Sharding Platform team, driving architecture for services that provision Jira, Confluence, JSM, JPD, Opsgenie, and Marketplace apps. I also championed organization-wide adoption of AI-native development workflows and LLM developer tools.

At Insurance Australia Group, I architected APIs connecting core legacy systems and introduced OKTA and JWT token validation with in-memory caching, improving performance by about 40%. Earlier, at Publicis Sapient, I led architecture and API orchestration for B2B e-commerce platforms, and at Infosys I delivered enterprise portal applications.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer (Acting Staff / Tech Lead)

Current

Atlassian

Mar 2021 - Present (5 years 6 months)

Serves as Tech Lead on the Tenant and Sharding Platform team, driving architectural design for core platform services provisioning flagship cloud products. Spearheaded AI-native development workflows and orchestrated integration of LLM developer tools across teams.

Distributed Systems Multi tenant SaaS Sharding Partitioning Java Spring Boot AWS Kubernetes Docker AI Native SDLC LLM Tools Cursor Codex Mentorship Technical Strategy

Senior Developer / Technical Lead

Insurance Australia Group (IAG)

Jul 2018 - Mar 2021 (2 years 8 months)

Architected and delivered scalable, business-critical APIs for integrations with core legacy backends. Implemented an optimized token-validation model using OKTA and JWT, yielding ~40% performance improvement across enterprise APIs.

API Architecture Java Spring Boot Okta JWT In Memory Caching OpenAPI Code Generation Legacy System Integration

Senior Associate Technology L1 & L2

Publicis Sapient

Mar 2013 - Jul 2018 (5 years 4 months)

Led architecture, API orchestration (RxJava), and full-scale modernizations of high-volume B2B e-commerce platform suites for Siemens and Suncorp Marketplace.

Architecture API Orchestration RxJava B2B E Commerce Modernization Java

Senior Systems Engineer

Infosys

Jul 2009 - Mar 2013 (3 years 8 months)

Delivered enterprise greenfield portal applications using IBM WebSphere and Liferay Portal engines for tier-1 logistics enterprises including Canadian Pacific Railways and DHL.

IBM Websphere Liferay Enterprise Portal Java