Eastern Communications Co., Ltd. Tech Stack

Telecom infrastructure and business systems for power, energy, and transportation

Telecommunications HANGZHOU, ZJ | Zhejiang ~404 employees Public Company

Eastern Communications operates a Java/Spring microservices stack (Kafka, Redis, Elasticsearch, Kubernetes) serving telecommunications and industrial clients across power, energy, and transportation sectors. Active projects span pre-sales support, system architecture upgrades, and high-traffic service optimization — but pain-point clustering around system bottlenecks, architecture debt, and quality incidents suggests the organization is wrestling with legacy system reliability rather than greenfield innovation. Hiring has decelerated; the engineering-skewed team (8 of 15 open roles) indicates maintenance and scaling work dominates new development.

Tech Stack 42 technologies

Core StackJava Spring MySQL Oracle JavaScript Redis Elasticsearch Kafka RabbitMQ Kubernetes Prometheus Grafana Jenkins Helm AutoCAD PostgreSQL MongoDB Linux HTML CSS Spring Boot Spring Cloud Spring MVC MyBatis Dubbo Apollo Elasticsearch Fluentd Kibana Traefik JPA Zookeeper+12 more

What Eastern Communications Co., Ltd. Is Building

◆Challenges

Optimizing system bottlenecks
Solving technical challenges
Product reliability issues
Upgrading system architecture
Building high-concurrency services
Preventing quality incidents
Legacy issue elimination
New product process integration
Production line quality issues
Quality event prevention

▲Active Projects

New product process introduction
Pre-sales technical support for bidding solutions
Project implementation and technical support for power, energy, transportation industry clients
Pipeline deployment and release
System performance optimization
Business system development
Report and data quality optimization
System architecture abstraction upgrade
High-traffic service environment
New product trial production

Hiring Activity

Decelerating15 roles · 3 in 30d

Department

Engineering

Manufacturing

Support

Data

Ops

Security

Seniority

Mid

Senior

Junior

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About Eastern Communications Co., Ltd.

Eastern Communications is a public telecommunications company based in Hangzhou, China. The company delivers infrastructure, systems, and technical support to large industrial customers in power, energy, and transportation sectors. Operations center on project implementation, pre-sales engineering, and business system development — supported by a mature Java/Spring microservices architecture (Kafka, Redis, Kubernetes, PostgreSQL, MongoDB) deployed across on-premises and containerized environments. The organization runs a mid-sized engineering function alongside manufacturing, support, data, operations, and security teams.

HeadquartersHANGZHOU, ZJ | Zhejiang

Company Size~404 employees

Hiring MarketsChina

Frequently Asked Questions

What technology stack does Eastern Communications use?

Java, Spring Boot, Spring Cloud, MySQL, Oracle, PostgreSQL, MongoDB, Redis, Elasticsearch, Kafka, RabbitMQ, Kubernetes, Prometheus, Grafana, and Jenkins. Microservices orchestration via Spring Cloud and Dubbo; messaging via Kafka and RabbitMQ.

What industries does Eastern Communications serve?

Power, energy, and transportation sectors. Work includes project implementation, technical support for bidding solutions, and system architecture upgrades for high-traffic environments in these verticals.