Remote C# jobs

Join the engineering team at Second Dinner to drive the test automation initiative for MARVEL SNAP. You will collaborate with QA analysts, engineers, and artists to create robust test suites, build pipelines, and develop tools that ensure high-quality game delivery. This position starts as a six-month contract with the potential for extension or conversion to full-time employment.

• Senior SDET Contract
• Fully remote (US)
• C# / .NET focus
• CI/CD pipeline ownership

You will assist in developing and implementing content and design for corporate websites and intranets. This role involves integrating work from subject matter experts and designers to produce accessible, compliant final presentations. The team focuses on maintaining creative vision while ensuring technical feasibility of UI/UX designs. You will collaborate with business analysts and IT staff to evaluate requirements and enforce digital accessibility policies.

• 2+ years experience
• .NET and C#
• Section 508 focus
• HTML, CSS, JS

Join the team to assist in developing and implementing content and design for corporate websites and intranets. You will integrate work from subject matter experts and designers to produce presentations that meet corporate and accessibility standards. The role involves ensuring technical feasibility of UI/UX designs, maintaining graphic standards, and mentoring less-experienced developers. You will also handle accessibility testing and collaborate with business analysts to evaluate requirements.

• 2+ years experience
• .NET and C#
• Section 508 focus
• HTML, CSS, JS

Join the team to assist in developing and implementing content and design for corporate websites and intranets. You will integrate work from subject matter experts and designers to produce presentations that meet corporate and accessibility standards. The role involves ensuring technical feasibility of UI/UX designs, maintaining graphic standards, and mentoring less-experienced developers. You will also handle accessibility testing and collaborate with business analysts to evaluate requirements.

• 2+ years experience
• .NET and C# focus
• Section 508 compliance
• Mentoring responsibilities

Join the team to assist in developing and implementing content and design for corporate websites and intranets. You will integrate work from subject matter experts and designers to produce presentations that meet corporate and accessibility standards. The role involves ensuring technical feasibility of UI/UX designs, maintaining graphic standards, and mentoring less-experienced developers. You will also handle accessibility testing and collaborate with business analysts to evaluate requirements.

• 2+ years experience
• .NET and C#
• Section 508 focus
• Mentoring duties

Join the the company Research Americas Engineering team to drive research projects from concept to productization. You will collaborate with scientists and engineers to design, build, and ship software using AI-native development methods and agentic workflows. The team supports labs across Redmond, New England, New York City, and Montreal, focusing on high-impact areas like health, economics, and core models. You will help modernize engineering practices and contribute to the broader the company innovation agenda.

• Senior level role
• Fully remote (US)
• Python, Rust, C++
• AI & Machine Learning

You will take full ownership of Sable feature delivery and operational improvements, driving design and implementation for a tier-1 system. The work ensures platform advancement without disrupting production traffic serving Amazon's most critical commerce flows. This position suits engineers energized by hard distributed-systems problems who pride themselves on operational reality. You will ensure software holds up under the demands of a massive, mission-critical platform.

• Fully remote role
• Senior level position
• Java, C++, C#, Perl
• Distributed systems focus

You will lead a diverse engineering team, overseeing recruitment, performance, and technical direction. The role involves partnering with DevSecOps and Architecture teams to deliver secure, high-quality solutions for the business. As a hands-on manager, you will contribute technically while managing budgets, roadmaps, and stakeholder relationships. The focus is on driving operational excellence and fostering a culture of continuous improvement.

• 10+ years IT experience
• 3+ years leadership
• Azure & Cloud-native
• Agile & DevSecOps

Join the Resideo team to design and integrate complex software functions for smart home and HVAC solutions. You will build scalable mobile and web applications while contributing to platform improvements and engineering standards.

• Fully remote
• 5+ years experience
• .NET and C#
• Mobile and Web focus

You will shape the technical foundation for global money movement capabilities, designing reliable and secure services for the Payments Platform. This early-stage initiative allows you to make foundational architectural decisions while contributing directly to production code and solving complex financial technology challenges.

• Lead Engineer level
• Hybrid (Vancouver)
• Remote (Seattle)
• C# / Java / Go

Join Meta's data engineering community to shape the future of people-facing and business-facing products. You will design and build extensive datasets, helping craft experiences for billions of users while solving complex data challenges at scale. In this position, you will collaborate with software engineering, data science, and product management teams. Your work will focus on optimizing growth, strategy, and user experience through robust data infrastructure and insightful analytics.

• Fully remote options
• Senior level role
• Python + SQL
• AI integration focus

Join FTSE Engineering as a Senior Support Engineer specializing in SQL and backend systems. You will act as a subject matter authority for 3rd line support, resolving complex technical issues that exceed first and second line capabilities. The role involves ensuring the stability of production systems and collaborating with business stakeholders to understand data interactions within the Index business lifecycle.

• Senior level role
• C# and .NET focus
• Multi-database support
• AWS cloud architecture

As a trusted technical advisor, you will help organizations accelerate digital transformation through modern cloud architectures and next-generation AI. You will partner with client stakeholders to translate business needs into scalable solution architectures and implementation roadmaps. You will lead discovery workshops and own technical delivery across client-facing initiatives. Your work includes building Generative AI, Agentic AI, and RAG solutions such as AI copilots and intelligent workflows to drive measurable business outcomes.

• Fully remote (US)
• Senior level role
• Generative AI focus
• Cloud-native solutions

We are seeking a Senior Software Engineer to lead software projects and coordinate development team activities. You will handle all phases of the project lifecycle, from detailed design and coding to testing and deployment, while providing expertise in application integration across the business.

• Senior level role
• C# and .NET focus
• Angular 2+ experience
• Team leadership duties

Join Voodoo's Live games team to work on Paper.io 2, a globally recognized hybrid-casual title. You will collaborate with industry experts to deliver innovative features, polish gameplay, and maintain high engagement for millions of active users. This position offers the chance to impact design decisions and refine systems within a small, high-standard team. You will focus on client-facing elements like UI and visual effects while ensuring optimal performance.

• Senior Game Developer
• Fully remote (CET +/-2h)
• Unity + C#
• Focus on UI & VFX

Join Voodoo's Live Studio to work on Paper.io 2, a globally recognized hybrid-casual title. You will collaborate with a small, multidisciplinary team to deliver innovative gameplay features, UI polish, and core improvements for millions of active users.

• Senior Game Developer
• Fully remote (CET +/-2h)
• Unity + C#
• Paper.io 2 project

This position provides the highest level of technical expertise for Fujifilm Healthcare’s Medical Informatics business, covering PACS, VNA, and clinical information systems. You will lead technical direction, resolve critical escalations, and collaborate with development teams to ensure optimal customer experiences. Beyond direct support, you will drive continuous improvement, define technical standards, and mentor other engineers. The role demands mastery of medical imaging architectures, cloud platforms, and networking protocols to solve complex issues and influence product design.

• Senior/Lead Level Role
• Medical IT & Imaging Focus
• Cloud & Linux Expertise
• Mentorship & Leadership

This role involves designing and developing advanced customizations, workflows, and extensions for Dynamics 365. You will build custom plugins, Power Automate solutions, and Azure-based integrations while configuring entities and security roles. The team expects active participation in sprint planning, technical design, code reviews, and mentoring junior developers.

• Senior level role
• US Citizen required
• W2 employment only
• Dynamics 365 focus

Join the NW ADC Software Operations team to maintain and build the tools that Network Engineers use to manage AWS infrastructure. You will work on systems tracking incident correlation, scaling network devices, and monitoring tools within US Government air-gapped regions. The position requires balancing software development with systems administration to solve operational problems permanently. You will collaborate with internal teams to improve service performance, durability, and security while handling critical events in a 24x7 environment.

• Active TS/SCI clearance required
• Linux/Unix Systems Engineering
• Python, Java, or Ruby
• 24x7 on-call rotation

Join ondeso, a provider of OT administration software, to develop reliable backup solutions for industrial PCs without production interruptions. You will work on performance-critical, system-near technology within a small team, focusing on data integrity and stability.

• Hybrid (Regensburg)
• C / C++ / C#
• German required
• Industrial IT focus

Join Randstad Digital to work on the development and implementation of a new Point of Sale system for a major fashion company. You will design technical components, develop MAUI front-end and .NET back-end features, and ensure code quality through testing and reviews. The team collaborates on integrations with platforms like MongoDB, ELK, Mulesoft, Kafka, and SAP. This position offers a stable indefinite contract within a global technology consultancy specializing in IT engineering services.

• Hybrid (50% remote)
• .NET + MAUI
• Fashion sector client
• 4+ years experience

As a Senior Consultant in the Application Security practice, you will lead manual source code reviews across complex production codebases. Your work spans web applications, mobile backends, APIs, and embedded systems, identifying both common and nuanced vulnerabilities. Beyond code review, you will conduct application penetration testing, threat modeling, and SDLC advisory engagements. You will serve as the senior technical voice for clients, translating findings into actionable remediation guidance and helping engineering teams build long-term security resilience.

• Senior Security Consultant
• AppSec & Code Review
• Flexible remote/office
• Global cybersecurity firm

Join the Windows VPN team at Proton to design, build, and evolve privacy-preserving desktop applications used by millions. You will manage the full application lifecycle, from feature implementation to deployment and monitoring, while collaborating with product managers and engineers across the company.

• Fully remote (EU)
• .NET + WinUI
• Rust integration
• Windows VPN focus

You will develop features that locate AI agents across cloud platforms and endpoints, assessing their configuration and access risks. Your work integrates with Delinea’s existing discovery services to enable governance of machine identities within the broader security platform.

• Staff level role
• Cloud security focus
• Azure, AWS, GCP
• No US visa sponsorship

We are seeking an experienced developer to design, build, and maintain enterprise applications and document management solutions. You will leverage C#, .NET, and SharePoint Online to drive integration, workflow automation, and production support within the Microsoft 365 ecosystem.

• Senior level role
• Hybrid in Valencia
• .NET & SharePoint
• Fluent English required

An international IT services company seeks an Application Security Analyst to support a major telecommunications client. You will join established security teams to review web application code and guide developers in building secure solutions. The work focuses on identifying risks through manual source code reviews and automated testing. You will validate vulnerabilities and recommend remediation strategies throughout the development lifecycle.

• Fully on-site (Valencia)
• Java, C++, C#
• B2B Contract
• Relocation support

You will design and evolve scalable technology solutions for high-availability environments, translating complex requirements into effective architecture. The role emphasizes modernizing systems, optimizing performance, and driving outcomes through thoughtful problem-solving and strategic initiatives. Beyond core development, you will shape end-to-end efforts from research to production, enhancing deployment pipelines and system reliability. You will also mentor team members, share knowledge, and integrate GenAI tools like GitHub Copilot into daily engineering workflows to accelerate delivery.

• Senior level role
• Java + Spring
• AI-assisted dev
• Cloud platforms

You will handle the technical development and maintenance of support systems, guiding projects from requirements definition through implementation and post-launch review. A primary focus is transitioning legacy agency mainframe systems to a .NET-based technology stack to enhance service delivery for customers and partners.

• .NET Full Stack
• C# and Angular
• Legacy migration
• SQL Server

Join a small, multidisciplinary team acting as an internal digital agency to improve employee experiences at Idaho National Laboratory. You will observe actual work processes, identify inefficiencies, and build tailored solutions using Microsoft platforms, Python, and AI tools. The focus is on solving underlying problems rather than just automating existing tasks.

• US Citizenship required
• .NET + Python + React
• AI & Automation focus
• Hybrid in Idaho Falls

MeridianLink seeks a Software Engineer to develop integration features across modern and legacy environments. You will design RESTful APIs, event-driven services, and work within established .NET codebases. The role involves collaborating with architects to evolve the enterprise integration platform while ensuring high-quality, tested deliverables.

• Fully remote position
• C# and .NET ecosystem
• AI-assisted development
• 3+ years experience

We are seeking a Full Stack Engineer to design, develop, test, and support secure enterprise web applications. You will work on intelligent document processing solutions, handling identity management, Azure data integration, and application security across the full stack.

• 2-5 years experience
• Angular + C# .NET
• SQL Server expertise
• Azure cloud services

You will lead the development of software solutions for enterprise web applications, handling everything from design to deployment. The role involves evaluating new tools, defining requirements, and ensuring high-quality code through reviews and testing. Beyond coding, you will support production systems by troubleshooting issues and analyzing logs. You also provide guidance and training to other developers, helping to elevate team standards and resolve complex technical challenges.

• Senior level role
• Fully remote (EU)
• C# and .NET 8+
• Vue.js and TypeScript

You will serve as the Release Train Engineer for the Ground Integrated Product Team, driving the integration, testing, and delivery of ground segment solutions. This role involves technical planning, system verification, and translating customer requirements into hardware and software specifications while managing schedule and cost constraints. The ideal candidate brings deep domain knowledge in satellite ground systems, networks, and enterprise software integration. You will lead Agile processes, perform functional analysis, and ensure logical conversion of requirements into total system solutions across concept, design, and operation phases.

• Senior Systems Engineer
• Release Train Engineer
• Satellite Ground Systems
• Model-Based SE (MBSE)

We are looking for a Senior Full Stack Software Engineer to lead the development of enterprise web applications. You will design and implement modules, conduct code reviews, and support production systems while mentoring other developers.

• Senior level role
• Fully remote (EU)
• .NET 8+ and Vue.js
• AWS cloud services

We are looking for a Senior Full Stack Software Engineer to lead the development of software solutions that meet business requirements. You will design, code, and test modules while supporting other developers through guidance and troubleshooting.

• Senior level role
• Fully remote (EU)
• .NET 8+ and C#
• Vue.js and TypeScript

Join the team as a Senior Defender for Cloud Engineer, where you will design and operate internal identity and access management services. You will build production-quality software to automate security controls and embed secure-by-default patterns into engineering workflows.

• Senior level role
• Fully remote (EU)
• Azure & AWS focus
• C# / Python / Java

As the final technical authority, you will shape how Atlas OT designs, programs, and deploys Operational Technology at scale. You will own the five-year technology roadmap, establish global code libraries, and ensure compliance with safety and cybersecurity standards. The position requires deep expertise in IEC 61131-3 languages and multiple automation platforms. You will guide engineers from Associate to Lead levels, resolve complex technical challenges, and partner with leadership on strategic business development.

• Principal/Lead Level
• Multi-industry scope
• Technical authority role
• Global standards ownership

You will design and maintain full stack applications using .NET on the backend and Angular, React, or Vue on the frontend. The work includes building REST APIs, optimizing database queries, and ensuring secure communication between services. Collaboration with product owners and QA teams is central to delivering end-to-end features. You will also participate in code reviews, troubleshoot issues across the stack, and support production environments.

• .NET Core + C#
• Angular / React / Vue
• Azure or AWS Cloud
• SQL Database Design

We are seeking a Lead Software Engineer to drive the design and development of complex software applications. You will collaborate with team members to translate business requirements into technical solutions while maintaining high coding standards. The role includes mentoring junior and mid-level developers, troubleshooting intricate issues, and performing quality assurance within a Scrum environment. You will work independently with minimal supervision while adhering to strict confidentiality and HIPAA guidelines.

• Lead level position
• Fully remote (US hours)
• .NET + Azure stack
• 7-10 years experience

Join SpruceID as a Full-Stack Engineer to design and deploy secure digital identity systems. You will collaborate with senior engineers and public sector partners to deliver standards-based credentialing solutions that serve millions of users. This position offers structured mentorship and hands-on experience across the full software lifecycle. It is ideal for recent graduates eager to work on impactful technology while developing their technical skills in a supportive, remote-first environment.

• Fully remote (US)
• New Grad Role
• Rust or Go backend
• Public sector focus

Join Auror’s engineering team to carve out a core capability into its own service, complete with a new data model, API, and front end. You will work across the full stack, delivering a sophisticated UI and robust backend services while collaborating with Product and Design teams. This contract role requires high autonomy and the ability to turn semi-formed requirements into clear, incremental releases. The goal is to leave a well-documented, testable codebase that the permanent team can confidently own and extend after the contract ends.

• Senior Full Stack
• 6-month contract
• Fully remote (NZ)
• C# + React

Join Anyone AI as an independent consultant working on scoped software engineering projects for a major AI laboratory. You will tackle challenges such as debugging, refactoring, and implementing new features in production systems while managing your own schedule. This opportunity is designed for professionals seeking flexible, part-time work alongside other commitments. You will select projects based on your availability and expertise, delivering high-quality code and technical documentation.

• Remote (Uruguay)
• Project-based
• Python + JS/TS
• Flexible hours

Join Anyone AI as an independent consultant working on scoped software engineering projects for a major AI laboratory. You will tackle challenges such as debugging, refactoring, and implementing new features in production systems while managing your own schedule.

• Project-based consulting
• Python + JavaScript/TypeScript
• Flexible schedule
• 2-7 years experience

Anyone AI connects experienced software engineers with a leading AI lab for paid, project-based consulting work. You will tackle real-world engineering challenges such as debugging, refactoring, and building features in production codebases. This flexible opportunity allows you to manage your own schedule and select projects that fit your availability and expertise, making it ideal for professionals balancing other commitments.

• Part-time & flexible
• Python + JS/TS
• Project-based
• 2-7 years exp

Join Anyone AI as an independent consultant working on scoped software engineering projects for a major AI laboratory. You will tackle challenges such as debugging, refactoring, and implementing new features in production systems while managing your own availability. This position is designed for professionals seeking flexible, remote engagements alongside other commitments. You will deliver production-quality code, technical specifications, and robust testing solutions across various backend and full-stack tasks.

• Part-time / Flexible
• Python + JS/TS
• Project-based
• 2-7 years exp

Join Anyone AI as an independent consultant working on scoped software engineering projects for a prominent AI laboratory. You will tackle challenges such as debugging, refactoring, and implementing new features in production systems while managing your own availability. This position is designed for professionals seeking flexible, part-time engagements that fit around other commitments. You will deliver high-quality code, technical specifications, and robust testing solutions across various backend and full-stack tasks.

• Remote (Brazil)
• Part-time / Flexible
• Python + JavaScript
• Project-based

This role ensures quality throughout the software development lifecycle, from initial definition to production validation. You will prevent risks, enhance testability, and drive continuous improvement in automation and reliability. You will collaborate with Engineering, Product, and DevOps teams to define testing strategies and maintain automated suites. The focus is on early defect prevention and reducing dependency on final-stage validations.

• International team
• QA Automation
• UI & API testing
• CI/CD integration

Emergence is building an R&D Center of Excellence in Cairo to elevate engineering standards across its portfolio of B2B software companies. As the founding leader, you will build and manage a team of engineers who are embedded into portfolio companies in healthcare, automotive, and infrastructure sectors. This role combines organizational leadership with technical depth. You will define hiring standards, oversee deployment models, and drive cross-cutting capabilities like AI and automation. You report directly to the co-founder and work closely with CEOs and CTOs of portfolio companies.

• Fully remote (Egypt)
• Founding leadership role
• Paid in USD
• Senior/Lead level

Join the Web Dependability Engineering team to ensure seamless browsing experiences across DuckDuckGo's desktop and mobile applications. You will act as the resident expert on web compatibility, diagnosing why sites break and implementing durable fixes. Recent initiatives include reverse-engineering site detection of privacy protections, shimming browser APIs, and developing LLM agent pipelines to automate issue triage. You will take full ownership of projects from scoping to execution in a culture that values trust and empowered project management.

• Senior level role
• Fully remote worldwide
• JavaScript + Web Standards
• €157k base salary (EU)

Join a tech business modernizing fundraising solutions by developing robust, cloud-based backend systems. You will collaborate with product and engineering teams to deliver high-quality code, improve system observability, and drive technical excellence in a distributed environment.

• Senior level role
• .NET and C#
• PostgreSQL & Redis
• Remote or Hybrid