À propos de Marius
I’m a Software Architect and Engineering Lead with 20+ years across fintech, e-commerce, cloud services, real-time/embedded 3D sensing, and developer tooling. I work best at the intersection of architecture, delivery and leadership: aligning stakeholders, shaping technical strategy, and getting robust systems into production without disrupting operations.
In recent years, I led the end-to-end creation of Kyte, a greenfield e-invoicing SaaS: authored the proposal, recruited and led a fully remote team, designed the architecture, and shipped the product to production.
It reached 1,000+ users within two months and was successfully handed over to Wolters Kluwer/Clearfacts. I also contributed to the preview launch of AWS Verified Permissions (authorization/IAM), focusing on DynamoDB data modeling and observability (logging/tracing/telemetry) in a distributed, multi-site team. More broadly, I’ve built and modernized systems where reliability, security, performance, and cost discipline matter.
I am passionate about creating innovative and transformative solutions that provide value for customers. I am committed to continuous learning and driven by curiosity for emerging trends and technologies. I enjoy working with and learning from others, sharing my knowledge and expertise, and collaborating to achieve impactful outcomes.
What you can expect from me:
- Architecture leadership: cloud-native, distributed systems, event-driven design, API design, data modeling (SQL/NoSQL)
- Engineering leadership: mentoring, setting quality bars, delivery process (trunk-based development, CI/CD, DevOps), pragmatic governance, stakeholder alignment
- Operational excellence: observability, reliability, security guardrails, incremental modernization and migration planning
I’m open to Software Development Lead/Technical Lead/Architect (Solution/Enterprise) roles and Fractional CTO engagements — remote or hybrid in Belgium/EU (US East Coast time zone workable for remote collaboration).
Anglais
Bilingue ou natif
Roumain
Bilingue ou natif
Français
Capacité professionnelle complète
Italien
Capacité professionnelle limitée
Accepte de travailler sur site
Brussels (jusqu’à 50 km), Antwerp (jusqu’à 50 km), Liège (jusqu’à 50 km), Ghent (jusqu’à 50 km)
Expériences
- InIteroSoftware Development Lead & Architectavril 2023 - Aujourd'hui (3 ans et 2 mois)Brussels, BelgiumI run a small product/consulting studio, acting as hands-on architect and engineering lead: shaping the roadmap, making architecture decisions, and delivering production-grade software with small high-leverage teams.Key work:• Architecting and building an FMEA MVP web tool (Azure + .NET/C# backend, React frontend, PostgreSQL; IaC with Pulumi; telemetry via App Insights; AI capabilities via Azure Cognitive Services) for XWare. for this MVP I have one other software engineer working with me in a small team.• Led development of a Poland KSeF e-invoicing integration service for Marosa, with a small team of 2 software engineers. Implemented using Java 21, Spring Boot, Kafka, MongoDB; containerized deployment with Docker/Kubernetes.• Built Kyte, a greenfield e-invoicing SaaS: authored proposal, recruited & led a remote team of 4 engineers, designed the architecture, implemented core backends, and shipped to production (AWS serverless: Go backends, TypeScript/React, DynamoDB single-table, Lambda, S3, API Gateway, Step Functions, observability, cost-aware architecture). Product reached 1,000+ users within two months and was handed over to Wolters Kluwer/Clearfacts.Thumbnail for One single team. All European VAThttps://marosavat.com/https://xware-engineering.com/https://clearfacts.be/nl/kyte/
- Powerdale NV/SASoftware Development Leadavril 2023 - août 2023 (4 mois)Sint-Genesius-Rode, VB, BelgiumOwned modernization planning for Powerdale's EV charging platform Nexxtmov), including AWS migration strategy and architecture modernization planning.Highlights:• Led two engineering teams (6 software engineers + 3 DevOps/system engineers) and strengthened the SDLC and delivery practices (CI/CD, deployment hygiene), with focus on scalability and reliability.• Served on the executive committee and acted as a bridge between engineering and business for platform operations and roadmap execution.Tech: Java, Spring Boot, PostgreSQL.
- Amazon Web Services (AWS)Software Development Engineerjuillet 2022 - avril 2023 (9 mois)Brussels, BelgiumAs part of AWS Identity building the future of authorization, I contributed to the preview launch of Amazon Verified Permissions (now a core AWS service offering).Highlights:• Implemented the initial DynamoDB data model and later the logging/tracing/telemetry subsystem for observability and operational readiness.• Worked in a distributed team across US and Europe (NY, VA, Madrid, Brussels, Berlin).Tech: Rust, DynamoDB, internal AWS tooling, Cedar policy language.https://aws.amazon.com/verified-permissions/
Recommandations
Soyez le premier à recommander Marius
Contribuez à la réussite de ce freelance en partageant votre expérience de collaboration avec lui.
Ces profils de freelance correspondent également à vos critères
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Formations
- Diplomat Engineer (Ms.)Technical University "Gh. Asachi"2004Diplomat Engineer (Ms.)
- Building Agentic AI Applications with a Problem-First Approach (Maven); Essentials in People skills(Vlerick Business School);Building Agentic AI Applications with a Problem-First Approach (Maven); Essentials in People skills