Nan Dong

Java Backend Developer @ Stepstone

Brussels, Belgium

Senior Backend Java Developer with 10+ years of experience in designing, developing, and maintaining high-performance, scalable systems. Hands-on experience in Elasticsearch, AWS, Spring Boot, Kafka, Spring Cloud, and AI development (Langchain4J), with expertise in building search engines and enterprise-level applications. Skilled in cloud-native development (AWS EC2, Lambda, etcs), microservices, Redis, Kubernetes, and CI/CD pipelines (Bamboo, Jenkins, Maven). Strong background in API development, testing, performance optimization, and stakeholder collaboration. Hands on Frontend experience (Angular 18+, React, VueJS).

Top roles

Developer / Programmer> 10 years

Back-end

Java

Elasticsearch

Kafka

Cloud

Amazon Web Services (AWS)

Kubernetes

Systems

Microsoft SQL Server

Language

Native Chinese

Chinese

Native

English

Fluent

French

Fluent

Dutch

Average

Work experience

Since 2007

Java Backend Developer @ Stepstone

01 April 2019 - 31 January 2025

Involved in architecture, development, maintenance, and testing of the SMAAS (Search&Match as a Service) backend search engine API for job boards, utilizing Elasticsearch API and AWS cloud technologies.

Java Developer @ Akka Benelux/Infrabel

01 February 2009 - 31 July 2016

Worked on the ETCS (European Train Control System) Process Automation Tool, developing core functionalities and ensuring code quality through testing and maintenance.

Java Web Developer @ Akka France/Amadeus

01 October 2007 - 31 July 2008

Developed and maintained the Site Manager and Store Designer tools for managing websites for Amadeus clients using Java technologies.

Education experience

Since 2004

Telecommunication @ ENSEEIHT

01 January 2006 - 01 January 2006

Graduate internship: Security solution for H.323 VoIP system based on honeypot technology at France Telecom R&D Center in Lannion, France.

Electronics and Telecom Engineering @ Tianjin University

01 January 2004 - 01 January 2004

Graduate project: Implementation of Manchester coding in VHDL.

Nan Dong

Top roles

Back-end

Cloud

Systems

Welcome back

Welcome on board!