Team Leader/ Software Architect/ Senior Software Developer
Aktualisiert am 11.03.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 11.03.2026
Verfügbar zu: 100%
davon vor Ort: 20%
Software Development
C#
Teamleading
Software Architecture
Program Management
Delivery Management
Agile / Scrum
SQL
Azure
REST
.NET
Design Pattern
GitHub
Git
Project Management
Angular
TypeScript
English
Verhandlungssicher
German
Grundkenntnisse
Italian
Grundkenntnisse
Serbian
Muttersprache

Einsatzorte

Einsatzorte

Düsseldorf (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 months
2026-01 - now

Full-stack development

Senior Software Engineer / Founde .NET / .NET Framework MS SQL Server Angular ...
Senior Software Engineer / Founde
  • Full-stack development services via GmbH
.NET / .NET Framework MS SQL Server Angular TypeScript Azure DevOps Git REST APIs IIS C#
on request
Düsseldorf, Germany
14 years 5 months
2011-08 - 2025-12

Modernized a brownfield insurance system

Team Lead / Software Architect / Senior Software Engineer .NET Framework MS SQL Server Angular ...
Team Lead / Software Architect / Senior Software Engineer
  • Led cross-functional teams of up to 15 engineers (developers/QA) delivering core and customer-specific modules for an enterprise insurance platform (policy & claims).
  • Modernized a brownfield insurance system by rewriting a legacy Silverlight-based UI into an Angular/TypeScript SPA, aligning migration with ongoing business delivery.
  • Designed solution architecture for core components and integrations; ensured maintainability, scalability, and code quality using strong OOP principles.
  • Hands-on development across backend, database, and frontend; implemented complex business logic and performance-sensitive MS SQL (queries, stored procedures, tuning).
  • Worked with .NET Framework services and integrations (WCF/REST) and maintained version-controlled delivery via Azure DevOps/Git and predictable releases.
.NET Framework MS SQL Server Angular TypeScript Azure DevOps Git REST APIs WCF IIS C#
Insicon, Belgrade, Serbia
4 years 1 month
2015-09 - 2019-09

Designed and developed

Android / iOS Software Engineer Java (Android) Objective-C (iOS) Git/GitHub ...
Android / iOS Software Engineer
  • Designed and developed native mobile apps focused on device connectivity, data sync and UX.
  • Implemented Bluetooth/IoT integrations and REST API communication patterns.
Java (Android) Objective-C (iOS) Git/GitHub REST APIs
1 year 8 months
2009-12 - 2011-07

Delivered full SDLC development

Senior Software Engineer C# .NET Framework MS SQL Server ...
Senior Software Engineer
  • Delivered full SDLC development of business web solutions for Canadian clients, focusing on backend and database components.
  • Implemented integrations and maintained production modules.
C# .NET Framework MS SQL Server ASP.NET MVC jQuery WCF
Inovatec, Kragujevac, Serbia
1 year 2 months
2008-10 - 2009-11

Contributed to business web applications

Software Engineer Java MS SQL Server JavaScript
Software Engineer
  • Contributed to business web applications for financial and public-sector institutions across SEE.
  • Worked in a multi-team environment delivering features and fixes across releases.
Java MS SQL Server JavaScript
Asseco SEE Group, Kragujevac, Serbia
1 year 7 months
2006-10 - 2008-04

Developed a match-3 game

Software Engineer C++ DirectX 3D Studio ...
Software Engineer
  • Developed a match-3 game: implemented game logic, rendering setup and automated testing.
  • Built tools for data integration between 3D Studio, RealFlow and the game engine.
C++ DirectX 3D Studio RealFlow
1 year 4 months
2005-05 - 2006-08

Engineered core components

Junior Software Engineer C++ DirectX
Junior Software Engineer
  • Engineered core components of a 3D rendering engine, contributing to significant enhancements in performance and functionality.
C++ DirectX
Frixus Games, Belgrade, Serbia

Aus- und Weiterbildung

Aus- und Weiterbildung

Electrical Engineering and Information Theory
University of Belgrade
Degree: M.Sc. (Master-äquivalent)

Certificates
  • Data science specialization
  • Machine learning

Position

Position

Senior C# / .NET Developer | Team Lead

Kompetenzen

Kompetenzen

Top-Skills

Software Development C# Teamleading Software Architecture Program Management Delivery Management Agile / Scrum SQL Azure REST .NET Design Pattern GitHub Git Project Management Angular TypeScript

Produkte / Standards / Erfahrungen / Methoden

Profile
Senior full-stack software engineer and team lead with 15+ years of experience in enterprise software engineering (Microsoft stack) and deep insurance domain expertise (policy & claims). Strong background in C#, .NET Framework, MS SQL Server and Windows-based enterprise environments, with hands-on experience modernizing and extending brownfield systems ? including rewriting a legacy Silverlight-based insurance application into an Angular/TypeScript SPA. Proven record in OOP design, solution architecture, performance-sensitive SQL, Azure DevOps/Git delivery and stakeholder-facing leadership in agile teams.


Expertise

  • 5G/Core Tender & Requirements Support (RFI/RFQ/RFP; requirements & evaluation inputs)
  • Telecom Services & Platforms (Mobile, Fixed, TV, Internet; quad-play)
  • OSS/BSS & Service Assurance/ Monitoring (management systems, operational readiness)
  • Digital & Cloud Transformation (IaaS/ PaaS/ SaaS)
  • Program/ Portfolio / Delivery Management (multi-workstream, multi-vendor)
  • Enterprise Architecture & IT Strategy
  • Vendor & Executive Stakeholder Management (governance, reporting, CAPEX/OPEX)
  • IoT/ LoRa/ LoRaWAN (smart infrastructure)

Skills
Backend/ Architecture
  • C#
  • .NET
  • Solution architecture
  • Design Patterns
  • Integration (REST APIs, WCF)

Frontend
  • Angular
  • TypeScript
  • SPA architecture
  • legacy UI modernization (Silverlight ? Angular)

DevOps/ Delivery
  • Azure DevOps
  • CI/CD
  • Git
  • Release-Management
  • Agile Methoden (Scrum/Kanban)

Personnel management
  • Team leadership
  • Mentoring
  • Stakeholder management
  • Business analysis
  • Effort estimation & planning
  • KPI-driven delivery

Domäne
  • Enterprise platforms
  • Insurance systems (policy management, claims processing, product configuration, integrations)

Leadership

  • Team lead
  • mentoring
  • stakeholder management
  • business analysis
  • estimation & planning
  • KPI-driven delivery

Datenbanken

MS SQL Server
stored procedures
data modeling
complex queries
performance tuning

Einsatzorte

Einsatzorte

Düsseldorf (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 months
2026-01 - now

Full-stack development

Senior Software Engineer / Founde .NET / .NET Framework MS SQL Server Angular ...
Senior Software Engineer / Founde
  • Full-stack development services via GmbH
.NET / .NET Framework MS SQL Server Angular TypeScript Azure DevOps Git REST APIs IIS C#
on request
Düsseldorf, Germany
14 years 5 months
2011-08 - 2025-12

Modernized a brownfield insurance system

Team Lead / Software Architect / Senior Software Engineer .NET Framework MS SQL Server Angular ...
Team Lead / Software Architect / Senior Software Engineer
  • Led cross-functional teams of up to 15 engineers (developers/QA) delivering core and customer-specific modules for an enterprise insurance platform (policy & claims).
  • Modernized a brownfield insurance system by rewriting a legacy Silverlight-based UI into an Angular/TypeScript SPA, aligning migration with ongoing business delivery.
  • Designed solution architecture for core components and integrations; ensured maintainability, scalability, and code quality using strong OOP principles.
  • Hands-on development across backend, database, and frontend; implemented complex business logic and performance-sensitive MS SQL (queries, stored procedures, tuning).
  • Worked with .NET Framework services and integrations (WCF/REST) and maintained version-controlled delivery via Azure DevOps/Git and predictable releases.
.NET Framework MS SQL Server Angular TypeScript Azure DevOps Git REST APIs WCF IIS C#
Insicon, Belgrade, Serbia
4 years 1 month
2015-09 - 2019-09

Designed and developed

Android / iOS Software Engineer Java (Android) Objective-C (iOS) Git/GitHub ...
Android / iOS Software Engineer
  • Designed and developed native mobile apps focused on device connectivity, data sync and UX.
  • Implemented Bluetooth/IoT integrations and REST API communication patterns.
Java (Android) Objective-C (iOS) Git/GitHub REST APIs
1 year 8 months
2009-12 - 2011-07

Delivered full SDLC development

Senior Software Engineer C# .NET Framework MS SQL Server ...
Senior Software Engineer
  • Delivered full SDLC development of business web solutions for Canadian clients, focusing on backend and database components.
  • Implemented integrations and maintained production modules.
C# .NET Framework MS SQL Server ASP.NET MVC jQuery WCF
Inovatec, Kragujevac, Serbia
1 year 2 months
2008-10 - 2009-11

Contributed to business web applications

Software Engineer Java MS SQL Server JavaScript
Software Engineer
  • Contributed to business web applications for financial and public-sector institutions across SEE.
  • Worked in a multi-team environment delivering features and fixes across releases.
Java MS SQL Server JavaScript
Asseco SEE Group, Kragujevac, Serbia
1 year 7 months
2006-10 - 2008-04

Developed a match-3 game

Software Engineer C++ DirectX 3D Studio ...
Software Engineer
  • Developed a match-3 game: implemented game logic, rendering setup and automated testing.
  • Built tools for data integration between 3D Studio, RealFlow and the game engine.
C++ DirectX 3D Studio RealFlow
1 year 4 months
2005-05 - 2006-08

Engineered core components

Junior Software Engineer C++ DirectX
Junior Software Engineer
  • Engineered core components of a 3D rendering engine, contributing to significant enhancements in performance and functionality.
C++ DirectX
Frixus Games, Belgrade, Serbia

Aus- und Weiterbildung

Aus- und Weiterbildung

Electrical Engineering and Information Theory
University of Belgrade
Degree: M.Sc. (Master-äquivalent)

Certificates
  • Data science specialization
  • Machine learning

Position

Position

Senior C# / .NET Developer | Team Lead

Kompetenzen

Kompetenzen

Top-Skills

Software Development C# Teamleading Software Architecture Program Management Delivery Management Agile / Scrum SQL Azure REST .NET Design Pattern GitHub Git Project Management Angular TypeScript

Produkte / Standards / Erfahrungen / Methoden

Profile
Senior full-stack software engineer and team lead with 15+ years of experience in enterprise software engineering (Microsoft stack) and deep insurance domain expertise (policy & claims). Strong background in C#, .NET Framework, MS SQL Server and Windows-based enterprise environments, with hands-on experience modernizing and extending brownfield systems ? including rewriting a legacy Silverlight-based insurance application into an Angular/TypeScript SPA. Proven record in OOP design, solution architecture, performance-sensitive SQL, Azure DevOps/Git delivery and stakeholder-facing leadership in agile teams.


Expertise

  • 5G/Core Tender & Requirements Support (RFI/RFQ/RFP; requirements & evaluation inputs)
  • Telecom Services & Platforms (Mobile, Fixed, TV, Internet; quad-play)
  • OSS/BSS & Service Assurance/ Monitoring (management systems, operational readiness)
  • Digital & Cloud Transformation (IaaS/ PaaS/ SaaS)
  • Program/ Portfolio / Delivery Management (multi-workstream, multi-vendor)
  • Enterprise Architecture & IT Strategy
  • Vendor & Executive Stakeholder Management (governance, reporting, CAPEX/OPEX)
  • IoT/ LoRa/ LoRaWAN (smart infrastructure)

Skills
Backend/ Architecture
  • C#
  • .NET
  • Solution architecture
  • Design Patterns
  • Integration (REST APIs, WCF)

Frontend
  • Angular
  • TypeScript
  • SPA architecture
  • legacy UI modernization (Silverlight ? Angular)

DevOps/ Delivery
  • Azure DevOps
  • CI/CD
  • Git
  • Release-Management
  • Agile Methoden (Scrum/Kanban)

Personnel management
  • Team leadership
  • Mentoring
  • Stakeholder management
  • Business analysis
  • Effort estimation & planning
  • KPI-driven delivery

Domäne
  • Enterprise platforms
  • Insurance systems (policy management, claims processing, product configuration, integrations)

Leadership

  • Team lead
  • mentoring
  • stakeholder management
  • business analysis
  • estimation & planning
  • KPI-driven delivery

Datenbanken

MS SQL Server
stored procedures
data modeling
complex queries
performance tuning

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