Senior Fullstack Developer, .Net/C#

Workana

Senior Fullstack Developer (.Net/C#) for part-time project in health and education tech sector. Work remotely on ERP development, API creation, and system integrations.

Posted 4/28/2026part-timeRemote • 🇧🇷 BrazilSenior💰 R$9,000 per monthWebsite

Tech Stack

Tools & technologies

ASP.NETERP.NETSQL

About the role

Key responsibilities & impact

Develop and maintain applications in .NET/C# (WebForms).
Design, evolve and optimize APIs in ASP.NET Core (RESTful).
Refactor and enhance existing ERP components.
Model and optimize queries in SQL Server, including maintenance of EDMX models.
Implement system integrations via HTTP APIs (GET, POST, PUT, DELETE).
Develop unit and integration tests.
Produce technical documentation for delivered work.
Ensure quality, performance and security of implemented solutions.

Requirements

What you’ll need

Minimum 5 years of experience in Fullstack development.
At least 2 years of experience with .NET WebForms.
Strong experience with Visual Studio.
Experience with DevExpress.
Experience with SQL Server, including maintenance of EDMX models.
Experience developing REST APIs with ASP.NET Core, using JSON for system integrations.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Workana Website LinkedIn All Job Openings 51 - 200 employees Founded 2012 👥 HR Tech 🏪 Marketplace 🎯 Recruiter 💰 Series C on 2024-02 HR Tech
Marketplace
Recruitment Workana is a leading platform in Latin America that connects businesses with remote talent across various disciplines. With over a decade in the market, Workana specializes in providing businesses with pre-selected and certified developers and freelancers for specific time periods or project-based tasks. The platform supports hiring in diverse fields such as IT & Programming, Design & Multimedia, Writing & Translation, and more, offering payment flexibility in local currencies or USD. Workana ensures satisfaction with protected payments and a satisfaction guarantee, aiming to grow businesses quickly and sustainably by leveraging the best remote talent available. Senior Fullstack Developer, .Net/C# Job not on LinkedIn 🔥 14 minutes ago 🇧🇷 Brazil – Remote 💵 R$9k / month ⏱ Part Time 🟠 Senior 🔙 Backend Engineer 🗣️🇧🇷🇵🇹 Portuguese Required ASP.NET ERP SQL .NET Apply Now Find Hiring Managers Customize resume for this job Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Develop and maintain applications in .NET/C# (WebForms).
Design, evolve and optimize APIs in ASP.NET Core (RESTful).
Refactor and enhance existing ERP components.
Model and optimize queries in SQL Server, including maintenance of EDMX models.
Implement system integrations via HTTP APIs (GET, POST, PUT, DELETE).
Develop unit and integration tests.
Produce technical documentation for delivered work.
Ensure quality, performance and security of implemented solutions. 🎯 Requirements
Minimum 5 years of experience in Fullstack development.
At least 2 years of experience with .NET WebForms.
Strong experience with Visual Studio.
Experience with DevExpress.
Experience with SQL Server, including maintenance of EDMX models.
Experience developing REST APIs with ASP.NET Core, using JSON for system integrations. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior PHP Developer, Magento – Contract, Part-Time 🕒 March 28 Miratech 501 - 1000 Website LinkedIn All Job Openings Senior PHP Developer focused on maintaining Magento-based solutions and enhancing eCommerce platforms for Miratech's global clients. 🇧🇷 Brazil – Remote 💰 Private Equity Round on 2022-04 ⏱ Part Time 🟠 Senior 🔙 Backend Engineer JavaScript Magento MySQL PHP SOAP Backend Developer 🕒 July 30, 2025 Premier Talent Partners 11 - 50 🎯 Recruiter 👥 HR Tech 🤝 B2B Website LinkedIn All Job Openings Join a music startup as a Backend Developer, growing the technical platform and enhancing functionalities. 🇧🇷 Brazil – Remote ⏱ Part Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇪🇸 Spanish Required Bootstrap Django Flask GraphQL Node.js Python React View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

.NETC#ASP.NET CoreRESTful APIsSQL ServerEDMX modelsunit testingintegration testingHTTP APIsJSON