Senior Java Developer

7 days ago

Mumbai Metropolitan Region, India TechKareer Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Location:
Mumbai or Delhi

Employment Type:
Full-time

Why this role

You'll own critical backend services used by millions, shaping architecture, performance, and developer experience. If you love clean APIs, resilient systems, and mentoring engineers, this is for you.

What you'll do

  • Design & build high-throughput, low-latency services with Java 17+ & Spring Boot.
  • Own architecture for domain-driven, event-driven microservices (REST/gRPC, Kafka/Pulsar).
  • Scale & harden systems: performance tuning (GC, profiling), reliability (circuit breakers, retries), and SLOs.
  • Data layer: model and optimize relational (PostgreSQL/MySQL) and NoSQL (Redis/Elastic/Mongo) stores.
  • Security-first: implement OAuth2/OIDC, JWT, secrets management, and compliance-minded coding.
  • DevEx & quality: CI/CD (GitHub Actions/GitLab/Jenkins), test strategy (JUnit/Mockito/Testcontainers), code reviews.
  • Observability: metrics, tracing, and logging (OpenTelemetry/Prometheus/Grafana).
  • Mentor & lead: guide mid/junior engineers; uphold engineering standards and documentation.
  • Partner with product: break down epics, estimate, and deliver iteratively with clear success metrics.

What you'll need (must-haves)

  • 3–5 years professional backend experience with Java (11/17+).
  • Strong in Spring Boot, JPA/Hibernate, REST API design, and concurrency.
  • Experience with message brokers/streams (Kafka/RabbitMQ/Pulsar) and event-driven patterns.
  • Solid RDBMS fundamentals (indexes, transactions) and caching (Redis).
  • Hands-on with Docker and Kubernetes on AWS/GCP/Azure.
  • Proven performance tuning (profilers, GC logs), and resilience (timeouts, bulkheads).
  • Testing depth across unit, integration (Testcontainers), and contract tests (OpenAPI/PACT).
  • Clear communication, product sense, and ownership mindset.

Nice to have

  • Kotlin/Scala, Reactive (Project Reactor), gRPC, GraphQL.
  • Terraform, Helm, ArgoCD; feature flags (LaunchDarkly/Unleash).
  • Elasticsearch/OpenSearch, OLAP (ClickHouse/BigQuery), CDC/Debezium.
  • Payment, fintech, or security-sensitive domains; GDPR/PII handling.
  • Experience leading a squad or tech initiatives.

What we offer

  • Impactful problems at venture-backed startups via TechKareer.
  • Modern stack, strong engineering culture, and fast shipping cadence.
  • Competitive pay, benefits, flexible work, learning budget.
  • Clear growth paths: Tech Lead / Staff Engineer.

Skills: java,backend development,springboot

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