IND_Developer

Description

** Walk-in Drive on 10th Oct at Gandhinagar **

Skills

Core Java~Spring MVC

Experience Required

4-6

Role Descriptions

Backend – Java & Spring Ecosystem, Microservices

Frontend - Angular /ReactJS

1.

Java (8/11/17/21)

Collections, concurrency, streams, functional programming, JVM internals (memory model, GC tuning).

2.

Spring Boot

Dependency injection, configuration management, auto-configuration, actuator, profile management.

3.

Spring Cloud & Microservices

Service discovery (e.g., Eureka/Consul), config server, circuit breaker patterns, API gateway patterns, distributed config.

4.

REST API Design

OpenAPI/Swagger, versioning strategies, idempotency, pagination, error handling conventions.

5.

Messaging/Eventing

Kafka/RabbitMQ, event-driven patterns, consumer group behavior, exactly-once/at-least-once semantics.

6.

Security

Spring Security/OAuth2/OIDC, JWT handling, role-based access control (RBAC), secure headers, input validation against OWASP Top 10.

Performance & Observability

1.

Metrics/Tracing

Micrometer, Prometheus, Grafana, OpenTelemetry/ Jaeger/Zipkin.

2.

Caching

Redis/Ehcache, cache key strategy, TTL, cache stampede prevention.

3.

Optimization

Threading models, connection pooling (HikariCP), N+1 query avoidance, GC tuning, memory leak diagnosis.

4.

Testing

JUnit5, Mockito, Spring Test, Testcontainers (for Postgres), contract testing (Pact) for microservices.

Database – PostgreSQL

1.

Schema design

Normalization vs. denormalization, indexing strategies (BTREE, GIN/GiST), composite indexes, partial indexes.

2.

SQL

Joins, window functions, CTEs, analytical queries.

3.

Performance

EXPLAIN/ANALYZE, query tuning, vacuum/analyze, statistics tuning, slow query log, connection pool sizing (HikariCP).

4.

Data integrity

Constraints, transactions, isolation levels, deadlock diagnosis.

Frontend – Angular

1.

Angular (v12+)

Components, services, RxJS, routing, forms, interceptors.

2.

State management

NgRx or equivalent; selector optimization.

3.

API integration

REST conventions, error handling, retry/backoff.

4.

Performance

Lazy loading, change detection strategies (OnPush), bundle optimization.

5.

UI quality

ESLint/Prettier

Engineering Practices

1.

Clean Code & Architecture

SOLID, hexagonal/clean architecture

2.

API Governance

Consistent naming, error model, backward compatibility strategy.

3.

Code Reviews

Enforces standards, performance considerations, security checks.

Leadership & Collaboration

1.

Module Ownership

End-to-end accountability for design, delivery, and operational KPIs (latency, throughput, error rate)***

2.

Team Leadership

Mentors developers, plans sprints, resolves blockers, drives estimates and risk management.

3.

Stakeholder Communication

Clear status updates, trade-off decisions, alignment with product priorities.

4.

Quality Mindset

Ensures test coverage