Job Description

At

MostEdge

, we're building the backbone of modern retail -- intelligent systems that support real-time pricing, inventory, reconciliation, and vendor operations across national networks.

Our mission is to

deliver trusted, profitable experiences

by empowering our partners to

accelerate commerce sustainably

. Every system we operate is

mission and business critical

, expected to meet

99.99999% uptime

and scale with massive data volumes and live transactions.

We move fast like a startup, but we build like an enterprise. If you value reliability, clarity, and ownership -- you belong here.

Role Summary

We're looking for a

Senior Java Backend Developer

with deep experience in

large-scale systems

,

OLTP infrastructure

, and

cloud-native microservices

. You will architect and maintain critical backend services that support thousands of retailers and process

hundreds of thousands of transactions per hour

-- in real time.

This role requires

technical leadership

,

hands-on expertise

, and a deep understanding of distributed system design. You'll work closely with engineering leadership and cross-functional teams to scale our core platform and ensure it delivers measurable business outcomes.

Key Accountabilities

Architect Enterprise-Grade Java Services

Build and optimize scalable, high-availability Spring Boot microservices that power OLTP applications and commerce APIs.

Scale Transaction-Heavy Systems

Design for concurrency, consistency, and resiliency across large data volumes and high-throughput workloads.

Lead in Microservices Design

Guide the evolution of our service architecture using

Kafka

,

Kubernetes

, and

S3-compatible storage

.

Operate in a Multi-Cloud Environment

Deploy systems across

AWS

,

GCP

, and

RunPod

, with Dockerized workloads and automated CI/CD pipelines.

Contribute to Agile Execution & Documentation

Participate in

Jira-based sprint planning

, review PRs, and maintain technical documentation that supports engineering scale.

Scope of Work

Lead ownership of microservices powering

real-time retail systems

Contribute to the platform's ability to process

120,000+ transactions/hour

Guide database modeling across

MongoDB

,

MariaDB

,

PostgreSQL

,

MySQL

Drive performance, observability, and error-handling standards across backend teams

Outcomes & Success Metrics

Deliver backend uptime at

99.99999%

or higher <500ms response latency across all transaction-critical endpoints Zero P1 issues in production under normal load Complete, up-to-date API and service documentation Increased reusability and interoperability across backend services

Required Experience

10+ years in backend development using

Java

(Spring Boot) Proven experience in building and scaling

high-volume OLTP systems

Expertise in

MongoDB

,

MariaDB

,

MySQL

,

PostgreSQL

Strong knowledge of

Kafka

,

Kubernetes

,

Docker

, and

S3

storage Experience in

Agile development

with tools like

Jira

and Confluence Strong system design and architecture skills, including distributed systems and failure recovery

What We Value at MostEdge

Lead with Purpose

- You design systems that improve lives at scale

Build Trust

- You own quality and protect uptime

Own the Outcome

- You commit deeply and follow through

Win Together

- You mentor peers and contribute to shared wins

Keep It Simple

- You cut through complexity with clean design

Additiobak Experience

Experience with retail tech, fintech, or supply chain systems Familiarity with observability stacks (Grafana, ELK, Prometheus) Hands-on experience with zero-downtime deployments and multi-region scaling
Job Type: Full-time

Pay: ?386,513.33 - ?3,007,721.31 per year

Benefits:

Health insurance Life insurance Paid sick time Paid time off Provident Fund
Location Type:

In-person
Schedule:

Evening shift Morning shift US shift
Work Location: In person

Expected Start Date: 01/07/2025