C#/.NET Developer Jobs

C# .net Developer (MacOS)

Join our fight against cybercrime and play a key role in developing our email se...

Location

Salary:

Not provided

Hornetsecurity

Expiration Date

Until further notice

Requirements

Strong background in C#/.net Core development for desktop applications (3+ years)
Solid knowledge of macOS and Windows architectures
Hands on experience in development of macOS daemons
Hands on experience in crash dump analysis
Knowledge of common source control systems
Fluent verbal and written communication skills in English

Job Responsibility

Creating, improving and maintaining business logic and UI parts of the Hornetsecurity endpoint protection products
Architecture, development and maintenance related to new and existing Hornetsecurity client software components
Writing design specifications from project management input, discussions with key team members and customer feedback
Complete documentation and provide input to improve procedures for installation, development and maintenance processes

What we offer

Free space for innovation and independent action
Temporary Employee Exchange Program
Team events
FitKit subscription and private insurance
Unlimited contracts
Development opportunities
Coffee, tea, soft drinks & fresh fruit
Office dogs
No dress code

Fulltime

Senior C# Developer – Pricing Engines

Join a fast-paced trading tech environment where your C# code powers real-time p...

Location

Netherlands , Amsterdam

Salary:

Not provided

Levy Professionals

Expiration Date

Until further notice

Requirements

Extensive experience with C#/.NET in complex back-end or trading systems
Proven low-latency, high-throughput engineering expertise (ideally in pricing or market data)
Deep knowledge of concurrency, async IO, performance tuning, profiling, TCP/binary protocols
Strong understanding of financial markets: FX spot/forwards/swaps, bonds, IR swaps, curves, PV/DV01
Experience working with front-office stakeholders
Clear communication and the ability to simplify complex concepts

Job Responsibility

Build high-performance C# services on .NET Core for real-time pricing and risk
Refactor and migrate existing C# and Java components into a unified .NET Core platform
Optimise multithreading, memory, GC and network performance on bare-metal servers
Implement curve handling and curve location for FX, bonds and rates
Integrate with trading tools, market data feeds and external pricing/execution platforms
Ensure safe, efficient price distribution via internal messaging
Contribute to automated testing, CI/CD and observability in a 24/7 trading setup
Work in an agile DevOps team with shared support responsibilities

C#/.Net Full Stack Software Engineer

We are looking for an experienced .NET Software Engineer with deep expertise in ...

Location

United States , Salt Lake City

Salary:

Not provided

Software Technology Group

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field
Experience with Blazor for modern, interactive web UI development in .NET
Familiarity with .NET MAUI for cross-platform application development
Knowledge of Docker and Kubernetes for containerization and orchestration
Familiarity with Azure DevOps, GitHub Actions, or similar DevOps toolchains
Understanding of event-driven architecture using Azure Service Bus or similar tools
Familiarity with Version Control (Git) and Platforms (GitLab, GitHub, or Bitbucket)
Experience with task management, issue tracking, and backlog grooming in Jira or similar tools
Clear written and verbal communication with technical and non-technical stakeholders
Willingness to provide and receive constructive feedback during code reviews

Job Responsibility

Deep expertise in C# with a strong understanding of modern .NET technologies, to develop robust, scalable applications
Proven experience with frontend technologies, including Blazer, React or Angular, for building dynamic, user-friendly interfaces that integrate seamlessly with backend services
Strong proficiency in object-oriented programming (OOP) principles, design patterns, and C# language features such as LINQ, async/await, and generics
Proven experience in developing enterprise-level applications using C#, ASP.NET Core, and Web API
Extensive experience with SQL Server and Entity Framework Core for database design and efficient data access in C# applications
Hands-on experience with cloud platforms like Azure (App Services, Azure Functions, Cosmos DB) to deploy, scale and manage C# applications in the cloud
Strong background in building RESTful APIs and microservices using C# with a focus on high performance and scalability
Expertise in software development lifecycle (SDLC) processes and agile methodologies like Scrum or Kanban
Hands-on experience with multiple DevOps practices, including CI/CD pipelines, automated testing and infrastructure as code (IaC)
Proven ability to mentor junior developers, lead development teams, and deliver high-quality software solutions

What we offer

Career Development Plans
Certifications
Mentorship Programs
Ongoing training
Work-life balance
Continuous learning
Rewarding excellence
Full time positions for consultants with optional benefits

Fulltime

C# .NET Core Developer (MacOS)

Join our fight against cybercrime and become part of the team! We're on the look...

Location

North Macedonia , Skopje

Salary:

Not provided

Hornetsecurity

Expiration Date

Until further notice

Requirements

Strong background in C#/.net Core development for desktop applications (3+ years)
Ability to read and understand code in other programming languages (especially Delphi)
Solid knowledge of macOS and Windows architectures
Hands on experience in development of macOS/multi-OS software with .net
Hands on experience in crash dump analysis
Knowledge of common source control systems
Fluent English in verbal and written communication

Job Responsibility

Creating, improving and maintaining business logic and UI parts of the Hornetsecurity endpoint protection products
Architecture, development and maintenance related to new and existing client software components for multiple platforms (macOS and Windows)
Writing code, debugging, testing, and documentation
Developing written design specifications from project management input, discussions with key team members and customer feedback
Completing documentation and providing input to improve procedures for installation, development and maintenance processes

What we offer

Free space for innovation and independent action
Temporary Employee Exchange Program to work at global office locations
Home-office-option and flexible working time
Free overtime food
Team events like Laser Tag, Office Movie Nights, Foodie Fridays
FitKit subscription and private insurance
Unlimited contracts
Referral Bonus of 1500€ for each successful referral
Development opportunities
Coffee, tea, soft drinks & fresh fruit

Fulltime

Software Developer

As a Software Developer, you will be responsible for maintaining the integrity o...

Location

United States , Daytona Beach

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Proficiency in API Development
Mastery of ASP.NET
Must be proficient in T-SQL - Transact-SQL
Familiarity with Microsoft Power BI

Job Responsibility

Work on the upkeep and improvement of legacy systems
Develop and optimize API connections to enhance system communication
Utilize C#/.NET for developing and debugging software applications
Implement SQL for database management and operations
Leverage Microsoft Power BI for analytics and data visualization
Work with XML/RestAPI for data exchange and API integration
Ensure software quality and responsiveness
Collaborate with the team to design and launch new features
Maintain code integrity and organization

What we offer

Medical, vision, dental, and life and disability insurance
Eligibility to enroll in company 401(k) plan

Fulltime

Software Developer Automation Platform Team

The CODESYS Automation Platform is the heart of our programming system. Numerous...

Location

Germany , Kempten

Salary:

Not provided

Codezys

Expiration Date

Until further notice

Requirements

Completed degree in computer science or a comparable technical background
Good programming skills in C#, WPF and .NET
Strong willingness to learn, ability to work in a team and an analytical mindset
Good written and spoken German and English skills

Job Responsibility

Development of plug-ins for the CODESYS Automation Platform in C#/.NET
Conception and realization of server-based software components based on C#/.NET 8
Development of WPF applications in the CODESYS ecosystem
Support throughout the entire software-lifecycle, from specification and implementation to development of tests and maintenance
Technical support for questions relating to the integration and use of the platform by external users

What we offer

Be part of a company that has been developing successfully and steadily in the field of automation technology for more than 30 years
Gain experience with future-oriented technologies and get to know the world of Industry 4.0, IIoT and virtual control systems
Experience teamwork and agile development processes: Help shape CODESYS as part of a Scrum team
Feel comfortable in a pleasant working environment in spacious, bright offices
Look forward to advantages such as e-car charging stations and corporate fitness via EGYM Wellpass
Benefit from the opportunity to develop personally and professionally
Enjoy 30 days of vacation and a generous flexitime account
Take advantage of the opportunity to work in a mobile office

Development Lead

As a Development Lead you will be leading a scrum team responsible for our e-com...

Location

Salary:

Not provided

Dotdigital

Expiration Date

Until further notice

Requirements

C#/.NET
Experience working with a javascript front-end framework
Previous team leadership or mentoring experience
Excellent verbal and written communication skills
Experience working with e-commerce platforms
Familiarity with AI coding tools

Job Responsibility

Leading a scrum team responsible for our e-commerce integrations
Support your team in their technical and personal development, providing them with regular feedback and guidance
Work closely with your Group Engineering Manager, as well as Product Managers, QA, infrastructure teams and other business functions to plan, deliver, and contribute high quality work to expected deadlines
Hands on role, the exact split will depend on the project and the requirements to get the job done

What we offer

Parental leave
Medical benefits
Paid sick leave
Dotdigital day
Share reward
Wellbeing reward
Wellbeing Days
Loyalty reward
Udemy learning credits

Fulltime

Lead Dotnet Developer

This resource will assist MCD to implement & support Sharepoint projects built i...

Location

United States , Columbus

Salary:

Not provided

Ocean Blue Solutions

Expiration Date

Until further notice

Requirements

12+ years of developer experience using front-end application code utilizing modern web development technologies like HTML5, CSS, Java script, JQuery, Bootstrap and front-end development framework like Knockout
12+ years of experience with .Net Framework including Microsoft C#/.Net Framework
3+ years of MS-SharePoint development experience (MS-SharePoint 2016, MS-SharePoint 2013 Application/Solution development)
6+ years of experience using Relational databases like MS SQL Server/Oracle using ORMs, writing queries & stored procedures
6+ years of experience delivering SOA solutions by integrating applications and services (any combination of: WSDL/Schema/SOAP/REST)
5+ years of experience working with and/or leading project development teams
5+ years of experience with Microsoft TFS and Application Configuration
3+ years of experience with SCRUM/Agile Development practices
3+ years of experience building & setup of development environments and management of IIS webserver
Development experience using SharePoint Designer, Nintex Workflow, and InfoPath technologies

Job Responsibility

Participate in Team activities, Design discussions, Stand up meetings and planning Reviews with team
Participate in requirement meetings and fully understand/document the needs of the Business owners and stakeholders
Responsible for multiple applications and involved in the analysis, design, development, testing, deployment & support of the ODM .Net based applications
Serves as the .Net and SharePoint SME, ensures adoption and adherence to solution best-practices
Conduct and/or participate in solution design reviews to verify that design meets quality standards and functional/technical requirements
Implement all aspects of application development – coding, caching mechanisms, security, encryption, state management, error logging, debugging, scalability, code reviews, workflow automation, UI/UX design, documentation, and testing
Diagnose system defects and trace problematic system behavior to the origin source code
Use documented best practices to ensure systems are developed in a consistent manner that will allow for high performance and scalability
Create Solution Job-Aids/How-To Guides, mentor/train State staff
Work with vendors (State or external resources) in tuning and optimizing solution performance and improving reliability

C#/.NET Developer

Randstad

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 23, 2025

Expiration:
February 08, 2026

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Location:Canada , Toronto

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