Ervin Szilágyi

Software Engineer<<

About Me<<

Experienced software engineer having a wide interest in highly scalable and distributed systems, software and cloud architecture, and DevOps practices.

I am an AWS Community Builder in the Containers Category.

I consider myself an advocate of open-source technology. Some of my open-source projects I worked on in the past can be found on Projects page and on my GitHub.

Contact

• Email: ervin_szilagyi[at]outlook.com

Social

• Website: ervinszilagyi.dev
• LinkedIn: in/szilagyiervin
• Twitter: @ervin_szilagyi
• BlueSky: @ervinszilagyi.dev
• StackOverflow: ervin-szilagyi (16K+ reputation, part of top 100 Romanian users)
• DevOps StackExchange: ervin-szilagyi
• GitHub: ernyoke
• dev.to: dev.to/ervin_szilagyi

Personal Information

• Address: Târgu Mureș, Romania
• Date of birth: 15/01/1993
• Nationality: Romanian
• Languages: English, Hungarian, Romanian

Work Experience<<

Microsoft

• Software Engineer

  From February 2026 until now

Accenture Services

• Software Product & Platform Engineering Associate Manager

  From December 2022 until January 2026

  • Platform Engineer/Solutions Architect primarily working on AWS infrastructure within the automotive industry.
  • Main areas of expertise:
    • System design for a highly available software product serving 10+ million requests from vehicles globally;
    • Big data ingestion and ETL workflows: built pipelines ingesting terabytes of data monthly into S3/Athena, with analytics dashboards in Amazon QuickSight;
    • Built AI agents on top of Azure OpenAI, Anthropic Claude, Amazon Bedrock, and Google Gemini to enhance development and business productivity. Created RAG knowledge bases and agentic workflows using LangChain/LangGraph;
    • Developed high-performance microservices using Quarkus and Java 17+, optimized for cloud-native environments;
    • Managed containerized applications on Amazon EKS with monitoring/observability via Prometheus, Grafana, and Kibana.

• Software Product & Platform Engineering Specialist

  From August 2021 until November 2022

  • Platform Engineer/Solutions Architect working on AWS infrastructure within the automotive industry.
  • Architected end-to-end cloud solutions including secure APIs and highly available networking (API Gateway, VPC, Route53, ELB).
  • Developed microservices and serverless functions (ECS/Docker, AWS Lambda in Python/JavaScript/Go) with IaC via Terraform.
  • Designed and implemented disaster recovery plans for globally distributed services.
  • Managed ETL pipelines (AWS Batch, Lambda, S3, RDS, Redis) and AWS RDS databases including HA replication and migrations.

RIA Solutions Group

• Senior Software Engineer/Team Lead

  From September 2019 until August 2021

  • Developed cloud-based solutions for logistics clients using microservices architecture with domain-driven design.
  • Applied enterprise integration patterns using Spring Integration, JBoss, Java EE 8, JMS (ActiveMQ, IBM MQ), and JPA (EclipseLink).
  • Built event-sourced (Kafka) and REST-based services using Java 8, Groovy, Spring Boot, and Node.js.
  • Handled relational (MySQL/MariaDB) and non-relational data (Elasticsearch, Cassandra) with real-time streams via Amazon SQS.
  • Front-end development using AngularJS; practiced TDD with Spock, JUnit4, and Mockito.
  • Participated in architecture design and presented technical solutions to clients.
  • Led team activities: interviewing candidates, mentoring junior colleagues, and collaborating with stakeholders in agile ceremonies.

Endava Romania

• Software Engineer

  From August 2017 until September 2019

  • Developed and maintained full-stack business applications in agile teams.
  • Back-end: Java 8, Spring/Spring Boot, JAX-RS, JAX-WS, Tomcat, JBoss.
  • Persistence: Oracle (Hibernate JPA, Liquibase) and MarkLogic 8 (NoSQL).
  • Front-end: AngularJS, Angular 4 (TypeScript), HTML5, CSS3/Sass, Bootstrap 3.
  • DevOps: Jenkins, Docker, Maven; Testing: JUnit, Mockito, Karma, Jasmine.
  • Built and secured REST APIs with Spring Security and Swagger documentation.
  • Led code refactoring initiatives focused on design patterns; active in code reviews and release management (AWS EC2, S3).

Accenture Industrial Software Solutions

• Software Engineering Associate

  From May 2015 to July 2017

  • Developed and maintained a Railway Automation project using C++ (MFC, Boost), Visual Basic, and Python in a SIL 0–2 regulated environment.
  • Wrote unit tests (GTEST/GMOCK), regression/UI tests (AutoIT, Python), and maintained Jenkins CI pipelines.
  • Authored software and testing documentation; supervised summer interns.

Internships<<

Android Developer at Smartsoft

From July 2014 to August 2014

Software Engineer at Evoline

From July 2013 to August 2013

Education<<

Master’s Degree in Software Development at Sapientia Hungarian University of Transylvania [Târgu-Mureş, Romania]

From September 2015 to June 2017

• Final grade: 10/10
• Thesis: Parallel Artistic Style Transfer using Deep Convolutional Neural Networks

Bachelor’s Degree in Computer Science at Sapientia Hungarian University of Transylvania [Târgu-Mureş, Romania]

From September 2011 to June 2015

• Final grade: 10/10
• Thesis: WLAN based conference system
• Honors:
  • Second place at the 16th Scientific Student Conference of Technical Science in Computer Science section.
  • First place at the XIV Scientific Students’ Associations Conference (Sapientia TDK) in Computer Science section.

Certifications<<

• Oracle Certified Professional: Java SE 17 Developer — since January 2023 — verify
• Oracle Certified Professional: Java SE 11 Developer — since January 2021 — verify
• AWS Certified Developer – Associate — valid until May 2027 — verify
• AWS Certified Solutions Architect – Associate — valid until August 2027 — verify
• AWS Certified SysOps Administrator – Associate — valid until May 2027 — verify
• AWS Certified DevOps Engineer – Professional — valid until May 2027 — verify
• AWS Certified Solutions Architect – Professional — valid until August 2027 — verify
• AWS Certified Advanced Networking – Specialty — valid until December 2027 — verify
• AWS Certified Machine Learning – Specialty — valid until February 2027 — verify
• AWS Certified AI Practitioner — valid until September 2027 — verify
• Microsoft Certified: Azure Fundamentals — since September 2020 — verify
• Microsoft Certified: Azure Developer Associate — valid until October 2026 — verify
• Associate Cloud Engineer (GCP) — valid between August 2022 and August 2024 — verify
• Cambridge English: First (FCE) — since July 2016