We're looking for a Staff Software Engineer who will work across teams to design and implement robust solutions, mentor other engineers, and drive technical excellence. If you care about building and running reliable software systems in production, you'll like working at One2N.You'll primarily work with our enterprise customers on One-to-N kind problems, where you:

Design, build and scale reliable software systems that handle real-world production demands
Solve technical challenges around performance bottlenecks and system scaling
Build and scale platforms for high throughput and low latency

Key Responsibilities

Lead end-to-end architecture and design for large-scale systems and technical initiatives
Create and maintain technical documentation through Architecture Design Records (ADR) and Request For Comments (RFC)
Participate in architecture reviews and help teams make better technical decisions
Drive improvements in system reliability, performance, and scalability
Tackle complex technical challenges, especially around bottlenecks and scaling
Mentor engineers through 1:1s, code reviews, and technical guidance
Design high-throughput, low-latency systems that can scale
Contribute to shared libraries, internal SDKs, and developer tooling to improve engineering efficiency

About You

9+ years of professional programming experience with JVM languages (Java/Scala/Kotlin)
Lead by example with high-quality, maintainable, and testable code and good architecture decisions
Strong experience with:
REST API design and implementation
Spring Boot framework
Database schema modeling
Test-Driven Development (TDD)
Domain Driven Design
Experience in building microservices architectures
Strong testing skills with Unit and Integration testing. Good to have experience with Contract-driven tests.
Ability to build reusable libraries/SDKs
Brainstorm with product and business teams to prioritize the backlog
Experience with Kafka for event-driven architectures to build auto-scaling data processing pipelines
Exposure to AWS architecture, particularly with EKS and S3
Understanding architecture implications for cost, security, and performance

Leadership & Communication

Track record of mentoring and coaching engineers
Strong written and verbal communication skills
Ability to influence without authority

Skills:- Java, Spring Boot, Microservices and Amazon Web Services (AWS)

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Staff Software Engineer - Java