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I’m a Senior Software Engineer with 7+ years of hands-on experience designing, building, and modernizing backend and full-stack systems across banking, EV charging, telecommunications, and SaaS. I excel at leading refactors from monoliths to scalable event-driven microservice ecosystems, standardizing Azure environments, and provisioning and monitoring production systems. I’m equally comfortable working standalone, in small focused teams, or within large corporate structures, and I enjoy mentoring engineers and driving DevOps practices.…I’m a Senior Software Engineer with 7+ years of hands-on experience designing, building, and modernizing backend and full-stack systems across banking, EV charging, telecommunications, and SaaS. I excel at leading refactors from monoliths to scalable event-driven microservice ecosystems, standardizing Azure environments, and provisioning and monitoring production systems. I’m equally comfortable working standalone, in small focused teams, or within large corporate structures, and I enjoy mentoring engineers and driving DevOps practices.

Evangelos Vlachos

Web Developer, Programmer, Full Stack Developer, +3

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I’m a Senior Software Engineer with 7+ years of hands-on experience designing, building, and modernizing backend and full-stack systems across banking, EV charging, telecommunications, and SaaS. I excel at leading refactors from monoliths to scalable event-driven microservice ecosystems, standardizing Azure environments, and provisioning and monitoring production systems. I’m equally comfortable working standalone, in small focused teams, or within large corporate structures, and I enjoy mentoring engineers and driving DevOps practices.…I’m a Senior Software Engineer with 7+ years of hands-on experience designing, building, and modernizing backend and full-stack systems across banking, EV charging, telecommunications, and SaaS. I excel at leading refactors from monoliths to scalable event-driven microservice ecosystems, standardizing Azure environments, and provisioning and monitoring production systems. I’m equally comfortable working standalone, in small focused teams, or within large corporate structures, and I enjoy mentoring engineers and driving DevOps practices.

Available to hire

I’m a Senior Software Engineer with 7+ years of hands-on experience designing, building, and modernizing backend and full-stack systems across banking, EV charging, telecommunications, and SaaS.

I excel at leading refactors from monoliths to scalable event-driven microservice ecosystems, standardizing Azure environments, and provisioning and monitoring production systems. I’m equally comfortable working standalone, in small focused teams, or within large corporate structures, and I enjoy mentoring engineers and driving DevOps practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Greek, Modern

Fluent

English

Fluent

Work Experience

Senior/Architect Software Engineer (Freelancer) at Vlachos Solutions LTD (Multi-Project Contractor)

December 1, 2024 - Present

Spearheaded development for critical systems, optimized Azure environments, and designed CI/CD pipelines ensuring deployment efficiency and reduced errors. Authored guidelines for code quality and resource provisioning, contributing to overall project success.

Full-Stack Engineer at Arx.net

April 1, 2021 - October 1, 2023

Built full-stack features, modernized legacy codebases, and resolved performance issues in collaboration with cross-functional teams.

Web Developer (Freelancer)

September 1, 2018 - May 1, 2021

Developed custom websites, optimized performance, and ensured cross-browser compatibility.

Senior / Architect Software Engineer at Vlachos Solutions LTD (Multi-Project Contractor)

September 1, 2024 - Present

Delivered a finance & accounting platform for a Greek SMB / accountant client, connecting to AADE / myDATA for invoice and tax data and to PSD2 open-banking APIs for transaction data, enabling automated reconciliation and forward-looking cashflow forecasting based on upcoming tax obligations and recurring transactions. Built the platform on .NET 10 with ASP.NET Core + Blazor Server (Razor Pages for authentication flows), PostgreSQL 16, EF Core 10 with Npgsql, ASP.NET Core Identity + OpenIddict, Hangfire for background jobs, MudBlazor for UI, and Serilog for logging, deployed on Azure.

Senior Software Engineer at ebiscon

December 1, 2024 - March 1, 2026

Backend leadership: spearheaded development for critical systems (EV charging platform, GreenFlux / Stripe integrations), ensuring scalability and stability. Led technical oversight across multiple projects (~3 developers), introduced PR workflows, branching, testing, telemetry, and tailored them to smaller teams. Led OCPI and OICP versioning across the EV-charging platform, including a full refactor of the legacy core to the latest stack. Designed a protocol-agnostic provider library to abstract EV roaming providers and protocols (OCPI / OICP) behind unified signatures, enabling dynamic onboarding, protocol-versioning, and operations without protocol-specific glue code. Worked in a SaaS subscription model with feature gating.

Software Engineer at EPIC Studios

October 1, 2023 - November 1, 2025

Contributed to large-scale, mission-critical banking systems. Designed and developed backend services in C# (.NET 6) focusing on Domain-Driven Design (DDD), CQRS, and event-driven architecture. Co-led the refactor of a complex legacy monolithic ecosystem into a scalable microservices architecture, owning feature design from analysis to delivery and monitoring. Built microservices using REST, gRPC, and SOAP, applying HATEOAS where appropriate; implemented asynchronous communication using Kafka and pub/sub patterns. Led environment migration to isolated resource group; monitored with Dynatrace, Grafana, Prometheus; mentored junior engineers.

Web Developer at Self-employed

September 1, 2018 - April 1, 2021

Developed custom WordPress websites for small-business clients; built sites and components using HTML, CSS, JavaScript, and Bootstrap; optimized hosting, performance, and cross-browser compatibility.

Web Developer at Self-employed (Freelancer)

September 1, 2018 - April 1, 2021

Developed custom WordPress websites for small businesses; built sites with HTML, CSS, JavaScript, and Bootstrap; optimized hosting and performance.