Sr. Java Platform Engg. || Navi Mumbai

KSA INC; Navi Mumbai; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

KSA INC is looking for a Senior Platform Engineer in Navi Mumbai. You will design and develop and highly scalable web applications using Java and J2EE while owning the API-first orchestration and data layers. A strong understanding of distributed systems, cloud infrastructure, and messaging technologies is required. Ideal candidates will have at least 5 years of backend engineering experience and a practical understanding of AI tools to enhance the software development lifecycle.

Qualifications

• At least 5 years of relevant experience in platform or backend engineering.
• Expert proficiency in Java, J2EE, and Web services.
• Experience with Distributed Systems and Event-driven architecture.
• Hands-on experience with messaging technologies like Kafka.
• Familiarity with Cloud infrastructure and Kubernetes.

Responsibilities

• Design and develop highly performant web applications using Java and J2EE.
• Architect and implement integrations with third-party platforms.
• Leverage AI tools to build, test, and deploy applications.
• Own the Orchestration Layer to customize products for B2B platforms.
• Apply user empathy to design intuitive digital workflows.

Skills

Java

J2EE

Web services (REST/SOAP)

SQL

Distributed Systems

Cloud infrastructure (GCP, AWS)

Kubernetes

Messaging technologies (Kafka, Airflow)

Job description

About The Role

As a Senior Platform Engineer, you will be a key architect of our embedded credit infrastructure, building highly scalable systems that power the $400Bn MSME credit opportunity.

You will own the development of our API‑first orchestration and data layers, ensuring a seamless, real‑time lending journey for thousands of businesses. You will maintain high API efficiency and platform availability while integrating with complex third‑party ecosystems.

Key Responsibilities

• Design and develop highly performant, scalable web applications using Java and J2EE to handle millions of monthly API calls.
• Architect and implement robust integrations with third‑party digital platforms (E‑commerce, Logistics, SaaS) and capital partners (Banks/NBFCs).
• Leverage AI tools and modern engineering practices to build, test, and deploy robust applications with speed and precision.
• Own the "Orchestration Layer" to customize products and processes for diverse B2B platform cohorts.
• Apply deep B2B user empathy to design intuitive digital workflows and "Platform OS" features like dashboards and monitoring tools.

Core Competencies

• Bias for Action: A self‑starter mindset focused on high ownership and low hierarchy.
• B2B Empathy: Deep understanding of the friction points in MSME lending and a drive to simplify them.
• Clarity & Accountability: Strong communication skills to work across cross‑functional teams in a lean, fast‑paced environment.
• Scalability Mindset: Focus on building long‑term systems rather than incremental features.

Must‑Have Requirements

• At least 5 years of relevant experience in platform or backend engineering.
• Expert proficiency in Java, J2EE, and Web services (REST/SOAP), SQL.
• Experience with Distributed Systems, async processing and Event‑driven architecture.
• Experience with database technologies like MySQL, Mongo, Redis, ElasticSearch.
• Hands‑on experience with messaging technologies like Kafka, Airflow, etc.
• Familiarity with Cloud infrastructure such as GCP, AWS, Kubernetes.
• Full‑stack preference: Ability to work across the stack to deliver end‑to‑end features.
• Proven track record of building and maintaining highly scalable, performative web applications.
• Practical experience in leveraging AI tools to enhance the software development lifecycle.
• Skills: web services, B2B, API, Java, SQL.