Lead Java Developer

About the Company : We are hiring a Lead Java Developer/Architect who is a true hands-on engineer—someone who designs solutions and writes production code daily. About the Role : You will lead architecture and delivery across a cloud-native platform built on Java + Spring, SQL, React, Node.js + Socket.IO, and Microsoft Azure (ADO/App Service/Container Apps/Functions/Service Bus/Key Vault/Blob/Monitor/App Insights/APIM). This role requires cross-stack ownership and the ability to guide teams while staying hands-on—coding, reviewing PRs, mentoring offshore engineers, driving PoCs to production, and ensuring security + reliability. Responsibilities : Lead by coding (daily): Deliver features and fixes in Java/Spring, with strong unit/integration test coverage. Architect cloud-native services: Build scalable microservices and event-driven workflows on Azure (App Service/Container Apps, Functions). Implement async messaging patterns: Use Azure Service Bus (queues/topics/subscriptions), retries, DLQs, idempotency, and resiliency best practices. Build real-time capabilities: Develop and scale Node.js + Socket.IO/WebSockets services (secure connections, rooms/namespaces, multi-instance scaling patterns). Own secure integrations: Implement enterprise-grade security using Azure Key Vault, Managed Identity (MSI), certificates, and Azure AD/Entra ID auth patterns (OAuth2/OIDC/JWT). Drive data reliability: Build and optimize SQL Server schemas, queries, and deployment scripts (safe, idempotent, CI/CD friendly). Operational excellence: Instrument services with Application Insights/Azure Monitor + OpenTelemetry, build health checks, and support production incidents and root-cause fixes. Mentor and set standards: Run strong PR reviews, enforce engineering standards, and mentor offshore engineers through pairing, reviews, and technical guidance. Required Skills : 1) Backend (Java): Java 21 + Spring Boot 3.x (REST APIs, Spring Security, Spring Data, production microservices) API design, middleware, performance mindset; service reliability Strong automated testing: JUnit 5 + Mockito (Java) and modern .NET testing patterns 3) Web / UI: React (TypeScript/JavaScript, modern patterns, debugging and performance awareness) 4) Real-Time / Integration: Node.js + Express and Socket.IO/EventsHub/WebSockets (real-time messaging, connection security, scalability) 5) Data: SQL Server (T‑SQL, query optimization, transactions, deployment scripts, reliability and performance) 6) Azure (Hands-On): Strong hands-on Azure delivery with: App Service/Container Apps, Azure Functions, Service Bus, Blob Storage, Key Vault, Managed Identity, Application Insights, Azure Monitor/OpenTelemetry, and APIM