# SDE III (Backend)

We are looking for a strong SDE 3 / Senior Backend Engineer with expertise in building scalable backend systems, distributed architectures, and high-performance applications. Responsibilities: Design and develop highly scalable backend systems. Drive architecture and system design decisions. Build robust microservices using Java / Go. Work on distributed systems, APIs, messaging, and caching. Optimize application performance, scalability, and reliability. Conduct code/design reviews and mentor engineers. Own complex technical initiatives from design to production. Requirements: Must-Have Skills: Java and Golang, Spring Boot and Microservices. System Design: HLD and LLD, Distributed Systems and Scalable Architecture, REST APIs / gRPC, Kafka / Event-Driven Architecture, Redis / Caching, SQL and NoSQL Databases, Multithreading and Concurrency, Docker and Kubernetes. Cloud: AWS / GCP / Azure. Looking for engineers who have strong backend development + system design + distributed systems experience and have worked on large-scale production systems.

- **Id**: 958217
- **Url**: <https://alion.io/job/greyorange-sde-iii-backend-2>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: middle
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Gurgaon, India
- **Countries**: IN
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-16T07:15:08Z
- **Last verified at**: 2026-09-16T07:15:08Z
- **Board verified**: no
- **Days open**: 56
- **Description format**: text
- **Description chars**: 1059
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Logistics & Warehouse Robotics, Robotic Software & Control Systems

## Company

- **Id**: 176318
- **Name**: GreyOrange
- **Domain**: greyorange.com
- **Url**: <https://alion.io/company/greyorange-2>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no

## Technologies

- **Apache Kafka** — Optional: no
- **AWS** — Optional: no
- **Azure** — Optional: no
- **Docker** — Optional: no
- **GCP** — Optional: no
- **Go** — Optional: no
- **gRPC** — Optional: no
- **Java** — Optional: no
- **Kubernetes** — Optional: no
- **Redis** — Optional: no
- **Rest API** — Optional: no
- **Spring Boot** — Optional: no
- **SQL** — Optional: no

## Trust

- **Level**: not_scored
- **Days open**: 56

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-16T07:15:08Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Filed H-1B visas in the last two years; Filings 12m: 0

## Liveness

- **Score**: 13
- **Band**: cold
- **Label**: Long shot
- **P open**: 0.4
- **P active**: 0.695
- **P room**: 0.45
- **Age days**: 55
- **Expected fill days**: 33
- **Reasons**: seen:55, velocity, win:tail
- **Computed at**: 2026-11-11T05:49:22Z

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.