Java Technical Lead Job at Wissen (Mumbai)

Java Technical Lead

Wissen

Location:
India , Mumbai

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are seeking a highly experienced Senior Engineer / Java Technical Lead with 14–20 years of hands‑on expertise in designing and building large‑scale distributed systems. The ideal candidate will be a strong technical leader with deep experience in Java backend engineering, system design, architecture, and end‑to‑end ownership of complex systems. This role requires expert‑level problem‑solving, architectural clarity, and the ability to convert complex, ambiguous requirements into scalable, reliable, high‑performance engineering solutions. The candidate will work across components, communication flows, data pipelines, infrastructure, and operational readiness while influencing technical direction across teams.

Job Responsibility:

End‑to‑End System Architecture: Architect complete distributed systems from conceptualization to production rollout
Define system boundaries, components, and service responsibilities
Deliver High‑Level Design (HLD) and Low‑Level Design (LLD) documents
Ensure system architectures meet goals for scalability, reliability, performance, and security
Make clear engineering trade‑offs backed by strong reasoning
Component‑Level Design: Break large systems into independently deployable components
Define APIs, contracts, schemas, data models, and communication patterns
Apply modern architectural patterns: Domain‑Driven Design, Microservices, Event‑Driven Architecture, CQRS, Hexagonal Architecture
Ensure the design is maintainable, extensible, and future‑proof
Engineering Ownership: Build and deliver backend components with hands‑on Java expertise
Own systems end‑to‑end — design, development, deployment, and production operations
Debug performance bottlenecks and complex system issues
Drive quality through testing, observability, and operational readiness
Cross‑Functional Leadership: Collaborate with Product, Engineering, DevOps, and Infrastructure teams
Influence and guide technical direction across engineering teams
Handle complex technical and business requirements with clarity and confidence

Requirements:

10+ years of hands‑on Java development experience
Strong experience building systems or products from scratch (not just maintenance)
Deep understanding of OOP, data structures, algorithms, and design patterns
Strong experience with Spring, Spring Boot, Hibernate, or similar frameworks
Experience with RESTful APIs and microservices architecture
Solid understanding of SQL and NoSQL databases
Exposure to cloud platforms (AWS, Azure, or GCP)
Strong debugging, troubleshooting, and performance optimization skills
Experience with distributed systems, messaging, and high‑scale architectures
Proven ability to own systems in production end‑to‑end

Nice to have:

Experience with massive‑scale distributed systems (millions to billions of events)
Expertise in real‑time, streaming, or low‑latency architectures
Experience leading teams or influencing architecture decisions across teams
Exposure to multi‑tenant systems and complex enterprise architectures
Advanced understanding of reliability engineering and observability

Additional Information:

Job Posted:
April 20, 2026

Employment Type:

Fulltime

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