Backend Software Engineer - SaaS Platform (Java/Python/Keycloak)

Job Description

About Modelon ? Modelon is revolutionizing the engineering design industry by offering technologies and services that enable customers to leverage system simulation. Modelon?s flagship product, Modelon Impact, is a cloud system simulation platform that helps engineers virtually design, analyze, and simulate physical systems. Our team brings deep industry expertise and is dedicated to guiding our customers in creating innovative technologies at their respective organizations. Headquartered in Lund, Sweden, Modelon is a global company with offices in Germany, India, Japan, and the United States. We believe that system simulation should be accessible to every engineer and are dedicated to being an open-standard platform company.? About the role Join our SaaS Platform team to build the core services behind the customer and user journey?identity/SSO, multi-tenancy (tenant prefs), licensing/entitlements, and admin workflows. You?ll primarily code in? Java ?and? Python ?(with occasional? TypeScript ), contribute at both service and component level, and operate what you build using? Docker ?and modern DevOps practices. Responsibilities Design, implement, and operate backend services and REST APIs. Integrate and manage identity & access (Keycloak/OIDC/OAuth2/SSO). Evolve multi-tenant data models, licensing/entitlement logic, and admin workflows. Write testable code with solid automated tests; own CI/CD and observability. Required skills & experience ~ 3?years ?professional software development (backend focus). Strong in? Java ?and/or? Python ; solid REST API design. Hands-on with? OIDC/OAuth2/SSO ; familiarity with? Keycloak ?or similar. Understanding of? asymmetric cryptography ?and related validation mechanisms (e.g., JWT/JWS). Comfortable with? Docker , Linux, and DevOps practices. Clear communicator and collaborative team member. Nice to have Kubernetes/Helm ?and cloud (Azure preferred). Identity systems:? Keycloak , Microsoft? Entra ID ,? AWS IAM ;? SCIM ?provisioning. Test automation tools and practices; agile teamwork (pairing, reviews). Experience with relational databases (e.g., Postgres/MySQL) and shell scripting. Application and Contact Details ? This position is based in Trichy, India. We are reviewing applications on a rolling basis, so apply as soon as possible.