Senior .NET Framework Developer Job at We Are Meta (Porto, Lisbon)

Senior .NET Developer

Quantyx, leading risk management and valuation consultancy for management compan...

Location

Italy , Milan

Salary:

Not provided

Quantyx Advisors S.r.l.

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science, Computer/Electronic/Telecommunications Engineering, Mathematics or Physics
Significant development experience with .Net, C#, Entity Framework and SQL Server technologies
Strong background in Object Oriented development and knowledge of key design patterns
Experience in SQL database design and modelling
Familiarity in the use of Microsoft Visual Studio
Skill in understanding business requirements and ability to translate them into technical requirements
Skill in benchmarking and optimization process
Experience working in teams in structured projects
Familiarity with versioning tools (git) and Agile development methodologies
Familiarity with continuous integration processes and tools

Job Responsibility

Design, develop, and implement back-end architectures using technologies such as C#, .Net Core/5, Entity Framework, Microsoft SQL Server
Implement and optimize Cloud architectures based on Microsoft Azure
Optimize existing solutions by identifying areas of improvement aligned to business requirements and implementing related enhancements
Implement unit tests for developed components
Manage open tickets and fix any bugs and/or implement new features
Collaborate proactively with the development team, dealing daily with back-end colleagues and providing adequate support to the front-end team
Document developments and their evolutions

Fulltime

Senior .Net Developer

Location

United States , Flowood

Salary:

Not provided

PhasorSoft Group

Expiration Date

Until further notice

Requirements

Proficiency in .NET Core, ASP.NET MVC, or ASP.NET Core for web application development
Strong programming skills in C# for back-end development
Experience with modern JavaScript frameworks such as React, Angular, or Vue.js for front-end development
Knowledge of designing and implementing RESTful APIs for communication between front-end and back-end
Experience with SQL databases (e.g., SQL Server, MySQL) and Entity Framework for data access
Understanding of front-end technologies including HTML, CSS, and JavaScript
Familiarity with Git or other version control systems for collaborative development
Experience working in Agile/Scrum environments with a focus on iterative development and delivery
Understanding of UI/UX design principles and ability to work closely with designers
Knowledge of web application security principles and best practices

Job Responsibility

Design, develop, and maintain .NET-based web applications with a focus on both front-end and back-end development
Utilize .NET Core, ASP.NET MVC, or ASP.NET Core for building scalable and responsive web applications
Develop front-end components using modern JavaScript frameworks such as React, Angular, or Vue.js
Implement RESTful APIs for seamless communication between front-end and back-end systems
Collaborate with UI/UX designers to create intuitive and user-friendly interfaces
Implement security best practices to ensure data protection and user authentication
Write clean, maintainable, and efficient code following best practices and design patterns
Integrate with third-party APIs and services for enhanced functionality
Participate in code reviews, testing, and debugging to ensure high-quality software delivery
Work closely with stakeholders to understand requirements and translate them into technical solutions

Fulltime

Senior .NET Developer

An experienced .NET developer to carry on features development on the UI and bui...

Location

Portugal , Lisbon

Salary:

Not provided

Inetum

Expiration Date

Until further notice

Requirements

Minimum of 10 years experience in .Net /C# development
Expert on Microsoft .Net Framework
Experience with UI optimization and UI unit tests automation
Experience with profiling tools, to optimize memory and CPU usage
Interested in learning the business domain
Fluent in English(both written and spoken) is mandatory

Job Responsibility

Development of maintenance and evolution features and defects Fixing . Ensure agreed upon code quality are met with code reviews
Able to engage across BA, Test team and production support
Active participation in Sprint Planning’s and other agile ceremonies
Provides a clear progress update on tasks to the domain manager on a regular basis, escalates risk and issues in a timely manner
Engagement with extended teams onshore and offshore during the course of assigned development tasks
L3 Production support
Non production Environment maintenance for Regression and Functional testing Support
On call support – specially during weekday evenings covering New York as early morning is covered by Mumbai, and occasional cover for release weekends

Fulltime

Senior .NET MAUI Mobile Developer

We are looking for a Senior .NET MAUI Developer to join a project in the health,...

Location

Ukraine

Salary:

Not provided

Honeycomb Software

Expiration Date

Until further notice

Requirements

5+ years in mobile development, including delivery of production mobile apps from scratch
Strong experience with .NET, C#, and .NET MAUI (or Xamarin + migration experience)
Hands-on experience building hybrid apps with clean architecture patterns (MVVM, DI, clean architecture)
Solid knowledge of automated mobile testing frameworks
Experience publishing apps to both App Store and Google Play
Comfortable working in a cross-functional environment
Understanding of mobile CI/CD tooling and processes
Ability to work with APIs, interpret specs, and propose improvements
English: upper-intermediate or higher

Job Responsibility

Lead the end-to-end development of a new .NET MAUI mobile application for iOS and Android
Migrate functionality from an existing native Swift-based iOS app (4 years old, small codebase, no documentation/tests) into a clean hybrid architecture
Deliver full feature parity with the current version and implement selected improvements
Architect a scalable, maintainable mobile codebase following best practices
Implement data visualization and basic IoT device control features using an existing backend API
Build a comprehensive automated test suite (unit, integration, UI tests)
Prepare high-quality technical documentation
Collaborate closely with UI/UX designers, data engineers, backend developers, and architects
Participate in the creation of a mobile CI/CD pipeline supporting near zero-touch deployments
Recommend and integrate mobile analytics tools if needed

What we offer

Lead the full rebuild of a real, production mobile product
Direct impact on architecture, code quality, and long-term technical direction
Collaboration with a strong, experienced internal team
Clear roadmap with future feature expansion (media capture, enhanced analytics, additional user flows)
Strong focus on engineering culture: maintainability, testing, automation, clean code
A role with high ownership and the space to make meaningful technical decisions

Fulltime

Senior .NET Developer

Bright Vision Technologies is a forward-thinking software development company de...

Location

United States , Lincoln

Salary:

Not provided

Bright Vision Technologies

Expiration Date

Until further notice

Requirements

Hands on experience in Web application (full stack) development using .NET framework & .NET (Core), MVC
Strong hands on using one of the front-end UI frameworks Vue.js, React and complimentary technologies i.e.., JavaScript, jQuery, HTML, CSS, Bootstrap
Must have React experience
Having SQL Server skills with the ability to create complex stored procedures, views, functions, tables etc.
Good experience in developing Restful APIs and integrating 3rd party APIs
Experience in implementation of design patterns, code optimization and performance tuning
Good knowledge on code repositories like GitHub, TFS etc.
Good knowledge of integrating code into CI/CD pipelines
Good unit testing skills to ensure responsiveness and efficiency with knowledge of tools like NUnit, XUnit, MSTest etc.
Perform code reviews, mentor junior developers and fix QA raised defects seamlessly

Senior .NET Developer

Andworx is seeking a Senior .NET Developer to play an important role in the deve...

Location

United States , Washington, DC

Salary:

Not provided

Andworx

Expiration Date

Until further notice

Requirements

8-10 years of experience developing enterprise level applications, preferably in a Federal Government environment
Hands-on experience with ASP.NET, .NET 6 .NET Core, C# .NET, MVC, MVVM, Entity and similar .NET design patterns and frameworks
Experience and understanding in developing responsive and web enabled applications, including web services integration utilizing REST, SOAP, JSON, and XML
Experience with relational data models working in an Oracle database environment
Understanding of SDLC methodologies including Agile Kanban and Scrum
Experience leading small teams, projects, tasks, or initiatives, preferred
Excellent written and oral communication skills, with both technical and non-technical people
Bachelor's degree in Computer Science, Information Systems, or related technical field or equivalent years' experience
U.S Citizenship is required as is ability to successfully obtain a Position of Trust clearance. (VISA or Green card holders do not meet this requirement.)

Job Responsibility

Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
Apply understanding of application development processes, coding standards, and performance standards to develop, test, and deploy engaging software solutions
Work with subject matter experts and key stakeholders to understand customer business processes, objectives, and solution requirements
Use agile techniques to prepare user stories and acceptance criteria to meet prioritized requirements
Participate in testing, packaging, and delivering software and documentation to a production environment
Troubleshoot, debug, maintain, and improve applications as well as compile and assess user feedback to improve software performance
Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
Use various scripting and programming languages to develop, test and deploy software solutions.

Fulltime

Senior .NET Developer

Andworx is seeking a Senior .NET Developer to play an important role in the deve...

Location

United States , Washington

Salary:

Not provided

Andworx

Expiration Date

Until further notice

Requirements

8-10 years of experience developing enterprise level applications, preferably in a Federal Government environment
Hands-on experience with Blazor, ASP.NET, .NET 8, .NET Core, C# .NET, MVC, MVVM, Entity and similar .NET design patterns and frameworks
Experience and understanding in developing responsive and web enabled applications, including web services integration utilizing REST, SOAP, JSON, and XML
Experience with relational data models working in an Oracle database environment
Understanding of SDLC methodologies including Agile Kanban and Scrum
Excellent written and oral communication skills, with both technical and non-technical people
Bachelor's degree in Computer Science, Information Systems, or related technical field or equivalent years' experience
U.S Citizenship is required as is ability to successfully obtain a federal government investigation for a Position of Trust clearance. (Green card holders do not meet this requirement.)

Job Responsibility

Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
Apply understanding of application development processes, coding standards, and performance standards to develop, test, and deploy engaging software solutions
Work with subject matter experts and key stakeholders to understand customer business processes, objectives, and solution requirements
Use agile techniques to prepare user stories and acceptance criteria to meet prioritized requirements
Participate in testing, packaging, and delivering software and documentation to a production environment
Troubleshoot, debug, maintain, and improve applications as well as compile and assess user feedback to improve software performance
Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment
Use various scripting and programming languages to develop, test and deploy software solutions.

Fulltime

Senior .NET Developer

We are seeking a Senior-level .NET Engineer with an understanding of architectur...

Location

Salary:

Not provided

Edvantis

Expiration Date

Until further notice

Requirements

5+ years of commercial experience with .NET
Strong experience with .NET (C#) and microservices architecture
Strong experience with ASP.NET Core Web API
In-depth knowledge of RESTful APIs and distributed systems
Experience with Azure Cloud Platforms – must have
Experience with Azure Functions – must have
Experience with Azure Service Bus – must have
Experience with Azure SQL Database
Proficiency in Entity Framework for database management
Strong problem-solving and troubleshooting skills

Job Responsibility

Work closely with architects to implement service decomposition strategies
Refactor and enhance existing service code for performance, maintainability, and scalability
Contribute to improving the structure and reliability of the backend service layer
Assist in the rewriting and modernization of legacy backend services into a microservices architecture
Support and guide team members through mentorship and collaboration
Contribute actively to backlog refinement to help the team identify optimal technical solutions
Deliver development tasks on schedule, ensuring high standards of quality, performance, and adherence to coding best practices
Maintain clear and thorough documentation of progress, decisions, and scope adjustments in Jira
Oversee and coordinate software deployment processes
Take ownership of complex development challenges and document implemented solutions

What we offer

Remote-first work model with flexible working hours (we provide all equipment)
Comfortable and fully equipped offices in Lviv and Rzeszów
Competitive compensation with regular performance reviews
18 paid vacation days per year + all state holidays
12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
Medical insurance with an affordable family coverage option
Mental health program which includes free and confidential consultations with a psychologist
English, German, and Polish language courses
Corporate subscription to learning platforms, regular meetups and webinars
Friendly team that values accountability, innovation, teamwork, and customer satisfaction

Fulltime

Senior .NET Framework Developer

We Are Meta

Location:
Portugal , Porto, Lisbon

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Additional Information:

Job Posted:
January 02, 2026

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We Are Meta

Location:Portugal , Porto, Lisbon

Category:IT - Software Development

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Job Description:

Requirements:

Additional Information:

Job Posted:January 02, 2026

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Location:
Portugal , Porto, Lisbon

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IT - Software Development

Contract Type:
Not provided

Job Posted:
January 02, 2026