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Brazil Colombia 0w paternity

  • Build the POC web application back end in C# using an agentic SDLC harness.
  • Turn SME requirements and UX/UI designs into working software under a Software Architect's guidance.
  • Use agentic tools in day-to-day delivery with strong C# and 8+ years of experience.

C# Software Engineering English

20 jobs similar to Senior Back End Developer (C# .NET)

Jobs ranked by similarity.

Brazil

  • Develop and maintain backend services using C# and .NET within a fully remote team.
  • Collaborate with stakeholders to analyze requirements and deliver effective technical solutions.
  • Work with SQL databases, APIs, and version control while following software quality standards.

A partner company in the fitness industry is hiring a junior backend developer for its technology team. The company fosters a collaborative, growth-oriented environment with ongoing learning and mentorship opportunities.

Brazil

  • Design, develop, and optimize backend services and APIs using C#, .NET Core, and .NET 8.
  • Work with microservices, Docker, Kubernetes, and Google Cloud Platform to ensure scalability and reliability.
  • Drive observability with Dynatrace, maintain automated tests, and collaborate in an Agile remote environment.

The company builds scalable digital solutions and drives digital transformation across multiple industries. It fosters a collaborative and inclusive culture focused on transparency, trust, innovation, and professional development.

UK

  • Design and build backend services and APIs in C# and .NET/.NET Core, taking ownership of technical decisions.
  • Mentor and support less experienced engineers through code review, pairing, and technical guidance.
  • Champion engineering best practice, clean code, and thorough testing within cross-functional scrum teams.

CreateFuture is an AI-native consulting partner that builds digital products and services for clients like PayPal, adidas, NatWest, and FanDuel. With over 600 employees, the company values craft, quality, and a people-first culture.

Global

  • Lead delivery of a next-generation risk analysis and scoring platform for a payments technology company.
  • Design, build and ship production C#/.NET services, APIs and React features, with about 70% hands-on coding.
  • Set engineering standards for testing, review practices and AI tooling while mentoring developers.

Software Mind develops solutions that make an impact for companies around the globe. They build cross-functional engineering teams and embrace a culture of openness, respect, grit, guts, cooperation, and enjoyment.

Brazil

  • Modernize enterprise applications using C#, .NET, ASP.NET MVC, Web Forms, and Web API.
  • Optimize Oracle, PostgreSQL, and SQL databases while supporting AWS and CI/CD practices.
  • Apply AI-assisted tools and collaborate with technical stakeholders to deliver reliable improvements.

A partner company is hiring a senior software developer to support application migration and modernization initiatives. The role is remote from Brazil and focuses on enterprise Microsoft, database, and AWS technologies.

Latin America

  • Architect and scale robust .NET backends, driving high availability and security across distributed architectures.
  • Design and optimize RESTful APIs and SQL databases to streamline enterprise workflows and eliminate bottlenecks.
  • Champion engineering excellence through code reviews and mentorship, partnering with US client stakeholders.

CodeRoad is a technology execution partner trusted by companies across North America since 2002, engineering, modernizing, and scaling technology. Their engineers, designers, and specialists collaborate through Velocity Studios, fostering a high-trust environment with long-tenure employees.

$100,000–$140,000/yr
US

  • Architect and build Agentic AI systems within the Compyl platform's C#/.NET and Blazor ecosystem.
  • Design autonomous workflows that orchestrate LLMs to manage and remediate GRC processes safely at scale.
  • Work in a high-velocity environment focused on quality, security, and extreme ownership.

Compyl is an enterprise-grade Governance, Risk, and Compliance (GRC) platform that automates risk management, compliance, and audit readiness. Based in NYC, the company is a growing SaaS team with a culture rooted in accountability, curiosity, and a strong bias toward execution.

$140,000–$140,000/yr
Germany

  • Take end-to-end ownership of product features, building reliable, scalable applications with C#, .NET, and modern web technologies.
  • Develop responsive frontends using Vue.js or React with TypeScript, integrating with backend REST APIs.
  • Collaborate with Product, QA, and DevOps to deliver customer-focused solutions, improving reliability and code quality.

They develop innovative software solutions that help consumer brands optimize operations, recover revenue, and grow across major retail marketplaces. They are a globally distributed, product-led organization with a growing international engineering team, emphasizing collaboration and technical ownership.

Canada

  • Design, code, test, and maintain components of an on-premises enterprise software product using C#/.NET.
  • Champion AI-assisted development, establishing best practices for AI coding agents and agentic workflows.
  • Collaborate with cross-functional teams in an Agile/SCRUM environment, mentoring others in secure AI tool usage.

Quest Software helps organizations secure, manage, monitor, protect, and analyze their IT infrastructure and data. Trusted by over 45,000 companies including 90% of the Fortune 500, Quest fosters a collaborative, innovative culture focused on practical technology solutions.

Brazil

  • Develop and ship features for a prepaid card and payments platform using C#/.NET, Azure, React, React Native, and Angular.
  • Use Claude Code and AI-assisted development to accelerate implementation, while reviewing code and debugging issues across the stack.
  • Ensure financial transactions and sensitive data remain secure through rigorous testing, code review, and production ownership.

This company builds reliable, modern business systems and payment solutions for growing companies. The team is remote-first and values AI-assisted development, learning, and flexibility.

US Unlimited PTO

  • Take part in the full development lifecycle from requirements to deployment, collaborating with product managers, designers, and architects.
  • Write clean, efficient, maintainable code and give constructive feedback in code reviews.
  • Use AI-powered tools to improve development quality and speed.

Quest Analytics builds technology that helps health plans navigate complex healthcare challenges. For over 20 years, they have served 90% of America's health plans, including the eight largest, and foster an entrepreneurial culture that values being listened to and appreciated.

Brazil

  • Develop and maintain backend services using C#, ASP.NET Core, and Entity Framework Core.
  • Build and integrate RESTful APIs and modern frontend applications with Next.js, React, and TypeScript.
  • Collaborate with clients and cross-functional teams in an Agile environment to deliver reliable tested solutions.

Partner company developing an education platform that helps professionals access, understand, and use data related to programs and accreditation. The company fosters an Agile, collaborative environment focused on meaningful impact in education.

LATAM

  • Build scalable RESTful microservices with ASP.NET Core (.NET 8) and CQRS
  • Work on Order Management, Inventory, Pricing, Catalog, and Notifications
  • Integrate with external systems like Amazon SP-API, Walmart Marketplace API, ERP, and payment gateways

Software Mind is a software engineering partner that builds and scales digital products for companies in the US and Europe. Our LATAM teams work directly with client engineering teams on long-term, high-impact projects.

Global

  • Design, build, and maintain a Windows agent in C# and .NET.
  • Work with AI agents as everyday teammates and help improve our AI-native development framework.
  • Own features end to end, from design and implementation through testing, release, and monitoring.

Picus Security is an exposure validation company that validates attack surfaces and security controls to show which exposures are truly exploitable. It is a fast-growing startup with a global remote team and top industry ratings.

$80,300–$94,900/yr
Canada

  • Design, develop, test, and maintain enterprise software applications using C#/.NET and Microsoft 365 technologies.
  • Promote the adoption of AI coding agents and introduce secure agentic development workflows.
  • Mentor developers and guide technical decisions while collaborating with cross-functional teams.

Our partner builds enterprise software solutions leveraging modern Microsoft technologies and AI-driven innovation. They are an established, globally connected team offering a collaborative remote-first culture and opportunities for professional growth.

Argentina

  • Focus on backend development to decompose monolithic platforms into independent microservices.
  • Develop and maintain REST APIs, delivering scalable software solutions in a multi-tenant SaaS environment.
  • Collaborate with Tech Leads, Engineering Managers, and other engineers in an Agile scrum team.

RYZ Labs connects senior engineers with clients to modernize platform architectures. We value Agile collaboration and close teamwork to deliver production-ready software.

$135,000–$160,000/yr
North America Unlimited PTO

  • Build and improve critical services end-to-end for the LMN Estimates product pod.
  • Partner with Product Manager and Designer to turn customer pain into shipped product.
  • Own operational reliability, anticipate failures, and drive customer outcomes.

Granum is the leading software company devoted to serving landscapers and arborists across North America, providing industry-specific solutions for estimating, scheduling, invoicing, and payments. We are a small, collaborative team with an award-winning culture that values having fun while making an impact.

Brazil

  • Design, develop, and deploy full-stack applications using React, C#, .NET Core, and Python on AWS.
  • Collaborate in an Agile environment to modernize legacy systems, build integrations, and improve application performance.
  • Leverage AI-assisted development tools and DevOps practices to accelerate delivery and maintain code quality.

We are a technology company building scalable, secure applications for a global platform. Our collaborative engineering team works remotely, using modern tools and Agile practices to deliver high-quality software.

Portugal

  • Develop and evolve backend commerce and payment platforms supporting subscriptions, billing, and global payment processing.
  • Build scalable .NET services and REST APIs, integrating payment providers and regional payment methods.
  • Collaborate with engineers, product, finance, and operations to deliver secure payment experiences.

LastPass delivers secure access essentials, managing access to AI, apps, and credentials. Trusted by 100,000+ businesses and millions of users, it fosters a remote-first, inclusive culture.

$100,000–$100,000/yr
Europe

  • Define technical and coding standards, and lead code reviews to ensure product quality.
  • Code complex solutions and prototypes, increasingly using AI-assisted and agentic coding tools.
  • Mentor developers and act as the platform technical expert across departments.

Sparkrock provides ERP and product platforms for social benefit organizations like nonprofits, school boards, and government agencies. They are a 100% remote company focused on culture, employee growth, and delivering secure, high-value software.