Optiva

Software Developer (Java - IoT)

India · Work style not stated · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerOptiva
LocationIndia
Work styleWork style not stated
Employment typeFull time
Employer posted29 Sep 2026

It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

Job Summary

Key Responsibilities :
Design, build, and maintain high-throughput Java + Spring Boot microservices serving millions of devices
Develop RESTful APIs (JSON/XML) secured with JWT and OAuth 2.0
Work with MongoDB as the primary data store, designing schemas and queries for scale
Build and consume event-driven architectures using Kafka, AWS SQS/SNS, and Kinesis
Containerize services with Docker and deploy on AWS EKS (Kubernetes) via CI/CD pipelines
Collaborate on system design for high availability, disaster recovery, scalability, and performance
Write clean, testable, well-documented code with strong unit and integration test coverage
Participate in code reviews, architectural discussions, and sprint planning
Own features end-to-end — from design and implementation through deployment and production monitoring
Troubleshoot production issues, perform root-cause analysis, and drive reliability improvements
Leverage AI-powered development tools for code generation, automated code reviews, test creation, technical planning, and debugging — continuously improving team productivity and code quality

Show full description

Required skills :

B.E./B.Tech or ME/M.Tech in Computer Science (or equivalent) from top 150 Nirf engineering colleges.
8+ years of hands-on back-end development experience
Strong proficiency in Java (8+) and the Spring ecosystem (Spring Boot, Spring Data, Spring Security) Solid experience with NoSQL databases (MongoDB preferred) — schema design, indexing, aggregation pipelines
Practical experience with AWS services (EC2, S3, SQS, SNS, Lambda, EKS, CloudWatch, or similar)
Familiarity with Docker, Kubernetes, and container orchestration
Experience with Git, Bitbucket/GitHub, and CI/CD tooling (Jenkins, GitHub Actions, or similar)
Understanding of RESTful API design principles, versioning, and security (OAuth 2.0, JWT)
Strong organizational skills — ability to define, track, and deliver work independently
Excellent problem-solving, critical thinking, and analytical skills
Clear, concise written and verbal communication
Experience with event streaming platforms — Kafka, AWS Kinesis
Working knowledge of AWS Lambda and serverless architectures
Understanding of WebSockets and persistent connection protocols (e.g., OCPP)
Knowledge of networking fundamentals — TCP/IP, TLS, load balancing, connection keep-alive, timeout tuning
Experience with AWS ALB/NLB, target groups, health checks, and sticky sessions
Exposure to Elasticsearch / OpenSearch for search and analytics workloads
Familiarity with SQL databases (MySQL/PostgreSQL) as a secondary skill
Experience with front-end technologies (React, JavaScript/TypeScript) — full-stack capability is a plus
Knowledge of caching layers (Redis, ElastiCache)
Understanding of observability — structured logging, distributed tracing, metrics (Datadog, ELK, Prometheus)
Familiarity with shell scripting (Bash) for automation, debugging, and operational tasks
Exposure to OCPP (Open Charge Point Protocol) or EV/IoT domain
Experience using AI coding assistants (GitHub Copilot, Windsurf/Cursor, ChatGPT, Claude) for development, code review, and technical planning
Experience working in renewable energy, clean tech, or IoT companies
You thrive in a fast-paced environment with ambiguity and evolving priorities
You take ownership — proposing solutions, not just implementing tickets
Work with healthcare interoperability standards including FHIR, HL7v2, X12/EDI, CDA, CCD, and REST APIs.
Develop integrations using APIs, webhooks, event-driven architectures, and secure data exchange mechanisms.
Build and maintain integrations with platforms such as Epic, Oracle Health/Cerner, athenaHealth, ModMed, and other healthcare applications.

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