Senior .NET Software Developer

PartnerOne

Mid/Senior .NET Software Developer developing document generation services for loan origination. Collaborating with Agile teams to modernize software and manage document workflow.

Posted 6/5/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

ASP.NETAzure.NETRabbitMQRedisSQL

About the role

Key responsibilities & impact

Develop, test, and maintain features across the .NET-based platform, from APIs to user-facing interfaces.
Write clean, well-tested C# code and contribute thoughtful peer code reviews.
Build efficient SQL Server queries, stored procedures, and data models in support of feature work.
Work with internal services and external third-party integrations as part of feature delivery.
Diagnose and resolve defects across development and production environments.
Partner with senior engineers on design and architecture; bring ideas and pushback when warranted.
Contribute to documentation, automated testing, and continuous improvement of the engineering process.

Requirements

What you’ll need

5+ years of professional software development experience on the Microsoft technology stack.
Proficiency in C# and the .NET framework / .NET Core.
Solid experience with ASP.NET for building web applications and services.
Working knowledge of SQL Server, including writing performant queries and stored procedures.
Demonstrated ability to work independently as a self-starter and drive tasks to completion.
Experience working in Agile team structures.
Strong problem-solving, communication, and collaboration skills.
Preferred Qualifications
Experience building or maintaining distributed, high-throughput systems where reliability and performance are non-negotiable.
Demonstrated experience with performance profiling, optimization, and tuning—whether at the application, query, or system level.
Experience working with internal and external services and integrations.
Exposure to Redis for caching and distributed data.
Exposure to RabbitMQ (RMQ), Azure Service Bus (ASB) or similar messaging platforms.
Experience developing and deploying workloads on Microsoft Azure.
Experience contributing to large enterprise applications.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account PartnerOne Website LinkedIn All Job Openings 201 - 500 employees 🏢 Enterprise ☁️ SaaS 💳 Fintech Enterprise
SaaS
Fintech PartnerOne is one of the fastest growing software groups in the world, providing solutions that enhance the operational efficiency of the largest enterprises globally. The company specializes in acquiring software firms and investing in their development to create more robust, effective, and agile software solutions. PartnerOne is trusted by 80% of the world's largest companies, including the top US and European banks, defense contractors, and media conglomerates, focusing on delivering unparalleled customer support and innovative technologies. Senior .NET Software Developer Job not on LinkedIn 🔥 1 hour ago 🇧🇷 Brazil – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer ASP.NET Azure RabbitMQ Redis SQL .NET Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Develop, test, and maintain features across the .NET-based platform, from APIs to user-facing interfaces.
Write clean, well-tested C# code and contribute thoughtful peer code reviews.
Build efficient SQL Server queries, stored procedures, and data models in support of feature work.
Work with internal services and external third-party integrations as part of feature delivery.
Diagnose and resolve defects across development and production environments.
Partner with senior engineers on design and architecture; bring ideas and pushback when warranted.
Contribute to documentation, automated testing, and continuous improvement of the engineering process. 🎯 Requirements
5+ years of professional software development experience on the Microsoft technology stack.
Proficiency in C# and the .NET framework / .NET Core.
Solid experience with ASP.NET for building web applications and services.
Working knowledge of SQL Server, including writing performant queries and stored procedures.
Demonstrated ability to work independently as a self-starter and drive tasks to completion.
Experience working in Agile team structures.
Strong problem-solving, communication, and collaboration skills.
Preferred Qualifications
Experience building or maintaining distributed, high-throughput systems where reliability and performance are non-negotiable.
Demonstrated experience with performance profiling, optimization, and tuning—whether at the application, query, or system level.
Experience working with internal and external services and integrations.
Exposure to Redis for caching and distributed data.
Exposure to RabbitMQ (RMQ), Azure Service Bus (ASB) or similar messaging platforms.
Experience developing and deploying workloads on Microsoft Azure.
Experience contributing to large enterprise applications. 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 Full Stack Developer – .NET, React 🔥 1 hour ago DB 501 - 1000 Website LinkedIn All Job Openings Full Stack Developer specializing in .NET and React needed for international project at DB. Join a team committed to technical excellence and diversity. 🇧🇷 Brazil – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇧🇷🇵🇹 Portuguese Required AWS Azure Cloud Entity Framework Postgres React SQL .NET Systems Developer, Fullstack, Java, React 🔥 1 hour ago Cresol Cooperativa 5001 - 10000 🌾 Agriculture 💸 Finance Website LinkedIn All Job Openings Desenvolvedor de Sistemas na Cresol, onde você criará soluções tecnológicas usando Java e React para fortalecer a equipe. Focado em colaboração e impacto positivo na comunidade. 🇧🇷 Brazil – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇧🇷🇵🇹 Portuguese Required Hibernate Java Kafka RabbitMQ SQL Senior Software Engineer – .NET 🔥 2 hours ago Casas Bahia Tecnologia 1001 - 5000 Website LinkedIn All Job Openings Senior Software Engineer developing and maintaining e-commerce backend services with a focus on performance and scalability for Grupo Casas Bahia. 🇧🇷 Brazil – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer 🗣️🇧🇷🇵🇹 Portuguese Required ASP.NET Docker Kafka Kubernetes MongoDB Redis SQL .NET .NET, Kotlin, AWS Developer 🔥 2 hours ago Stefanini Brasil 10,000+ employees 🤖 Artificial Intelligence 🔒 Cybersecurity Website LinkedIn All Job Openings Developer working with .NET and Kotlin to build and maintain AWS cloud applications. Collaborating with cross-functional teams to ensure scalable and secure solutions in the cloud. 🇧🇷 Brazil – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇧🇷🇵🇹 Portuguese Required AWS Cloud Docker DynamoDB EC2 Kotlin NoSQL SQL .NET Senior Software Engineer, Backend – Payments 🔥 4 hours ago Swile 201 - 500 💳 Fintech 👥 HR Tech 🤝 B2B Website LinkedIn All Job Openings Senior Software Engineer building and evolving a large-scale payments platform at Swile. Collaborating globally to deliver reliable, scalable, and user-centric solutions. 🇧🇷 Brazil – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Distributed Systems Kafka RabbitMQ Ruby 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

C#.NET framework.NET CoreASP.NETSQL Serverperformance profilingoptimizationtuningRedisRabbitMQ

Soft Skills

problem-solvingcommunicationcollaborationself-starterindependent workdrive tasks to completion