30.09.2026 aktualisiert

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Senior .NET & Azure Engineer | Tech Lead | DevOps & Cloud (Azure, AWS, Kubernetes)

Vilnius, Litauen
Nur Remote
Vilnius University, Bachelor Of Information Management Systems
Vilnius, Litauen
Nur Remote
Vilnius University, Bachelor Of Information Management Systems

Profilanlagen

CV_Audrius_Masiulionis (4).pdf

Über mich

10 years building and running .NET systems for banks, pension and energy companies (Chevron, Danske Bank, SEB, Visma). Principal Engineer, Tech Lead and Service Architect. I make releasing safe and boring: Azure/AWS, Terraform, Kubernetes, CI/CD. Remote, available now.

Skills

Azure DevOpsAsp.NetAmazon Web ServicesMicrosoft AzureC#Cloud-EngineeringContinuous IntegrationDevOpsPythonAzure SQLSoftware ArchitectureAngular 2+.NET CoreReact.jsKubernetesGraphQLTerraformDockerMicroservices
Ten years building and running .NET systems for banks, pension providers and energy companies (Chevron, Danske Bank, SEB, Visma). I've worked as a Principal Engineer, Tech Lead and Service Architect, but mostly I'm the person who gets called when releasing is scary and hard, and who stays until it's boring.

What I can do for you:
  • DevOps and CI/CD that gets teams shipping daily and safely (Azure DevOps, GitHub Actions, ArgoCD, feature flags)
  • Full-stack .NET development: C#, ASP.NET Core, React, Angular, microservices, GraphQL
  • Cloud infrastructure on Azure and AWS with Terraform and Bicep, Docker and Kubernetes (AKS)
  • Technical leadership: architecture, design decisions, code review, mentoring teams of 7-9 engineers

Industries: banking & financial services, oil & gas / energy, insurance & pensions.

I also build my own products: AutoDokas.lt, and Flagsweep, an open-source feature flag manager for Azure App Configuration.

English (fluent), Lithuanian (native). Based in Vilnius, working remotely.

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2022

Sprachen

EnglishverhandlungssicherLithuanianMuttersprache

Projekthistorie

Principal Engineer

Toughlex (client: bank)

Banken und Finanzdienstleistungen

Principal engineer for a bank customer onboarding platform: own technical direction across a microservice-based system built on .NET, React, AKS and ArgoCD.
  • Integrated the platform with Lithuanian state registries (Centre of Registers, Sodra) for automated customer data verification.
  • Designed and implemented a module-based permission model using OpenFGA for fine-grained access control across services.
  • Re-architected the Apollo GraphQL gateway to hot-reload schemas, eliminating gateway downtime.
  • Lead technical analysis and design, shaping key technical decisions together with architects.
Tech: .NET, React, GraphQL, Kubernetes (AKS), ArgoCD, OpenFGA

Technical Lead

Chevron (via Strategic Staffing Solutions)

Energie, Wasser und Umwelt

Technical lead for a 7-member cross-functional team building greenfield applications for Chevron.
  • Defined and executed technical and DevOps strategy, aligning cloud architecture, delivery pipelines and operations with business, scalability and compliance needs.
  • Designed CI/CD pipelines and Azure infrastructure with feature flags, blue-green deployments and automated testing.
  • Developed C# backend and Angular frontend applications, integrating contractor, workforce and third-party waste management systems.
  • Built Azure Functions and Synapse Analytics solutions for event-driven workflows and reporting.
  • Delivered greenfield projects to production on schedule; optimised cloud performance, reliability and cost.
Tech: C#, .NET, Angular, Azure Functions, Synapse, Azure DevOps, Terraform

Senior Software Engineer

Chevron (via Strategic Staffing Solutions)

Energie, Wasser und Umwelt

Platform for indexing, classifying and visualising geospatial and temporal data.
  • Backend services in Python using GDAL and STAC standards.
  • Cloud-native solutions on Azure, deployed with Kubernetes.
  • Angular frontend for data exploration and visualisation.
  • Optimised processing workflows for large geospatial datasets.
Tech: Python, GDAL, STAC, Azure, Kubernetes, Angular

Cloud Consultant

Danske Bank

Banken und Finanzdienstleistungen

Advised a development team on cloud migration strategy from legacy mainframe systems.
  • Designed an API-first architecture for modular, scalable services.
  • Guided adoption of AWS cloud-native services (Lambda, DynamoDB).
  • Aligned the migration roadmap with architects and business stakeholders.
Tech: AWS, Lambda, DynamoDB, API design

Service Architect / Technical Team Lead

Visma Idella

Versicherungen

Led a 9-member team delivering services and portals for Dutch pension administrators.
  • Design and implementation of ASP.NET Web API solutions and Azure serverless applications.
  • Deployments on Azure App Services with Cosmos DB, MongoDB and Azure Storage.
  • CI/CD pipelines in Azure DevOps; infrastructure as code with ARM templates and Terraform.
  • Code quality through xUnit testing and peer reviews.
Tech: .NET, ASP.NET Web API, Azure, Cosmos DB, Terraform, Azure DevOps

Senior Developer

Visma Idella

Versicherungen

Multi-tenant microservice for processing payroll data for Dutch pension administrators.
  • ASP.NET Web API backend integrated with Azure serverless components.
  • Azure App Services, Azure Storage and Cosmos DB; infrastructure with ARM templates.
  • Automated build, test and release with Azure DevOps; xUnit testing.
Tech: .NET, ASP.NET Web API, Azure, Cosmos DB, Azure DevOps

.NET Developer

Visma

Versicherungen

Main developer of a pension administration portal used by Danish clients.
  • Backend with ASP.NET MVC / Web API, Entity Framework and MSSQL.
  • AngularJS frontend components.
  • xUnit testing, code reviews and requirements refinement with stakeholders.
Tech: C#, ASP.NET MVC, Web API, Entity Framework, SQL Server, AngularJS

Lecturer (.NET C#, Java)

Vilnius Coding School

Sonstiges

Lectures and hands-on training on Java fundamentals and advanced .NET C# concepts; designed course materials, exercises and practical projects; coached students on best practices, debugging and problem solving.

.NET Developer

Nortal

Telekommunikation

Online portals for Baltic telecommunication companies.
  • Backend with ASP.NET MVC / Web API, Entity Framework and MSSQL.
  • AngularJS frontend features.
  • MS Test unit testing and peer reviews.

.NET Developer

SEB
Developed and maintained internal banking systems using ASP.NET Web Forms, Entity Framework and SQL Server.


Zertifikate

AWS Certified Cloud Practitioner

Amazon Web Services (AWS)

2023

LE-1: Linux Essentials

Linux Professional Institute (LPI)

2023

Shortcut to Tech Leadership

Build Stuff - Software Development Conference

2021

MTA: Software Development Fundamentals

Microsoft

2015


Portfolio


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