Source Job

Mexico

  • Build new features for the REST API & enhance the AWS infrastructure on top of a modern tech stack using C# and AWS CloudFormation.
  • Work with product management, designers, and QA team to implement new features and enhancements.
  • Participate as a reviewer in our pull request review process, ensuring high code quality and providing valuable insights to your fellow team members.

C# .Net AWS REST API SQL

20 jobs similar to Senior Backend Developer – C#/ .Net

Jobs ranked by similarity.

Mexico

  • Develop and refine features to support client success and platform growth
  • Collaborate in a cross-functional, knowledge-sharing team
  • Troubleshoot, optimize, and maintain robust code

Varicent is transforming the Sales Performance Management (SPM) market, redefining how organizations achieve revenue success. They are a market leader in SaaS solutions empowering revenue leaders globally, acknowledged in the 2025 Forrester Wave Report and Gartner Peer Insights.

  • Develop, enhance, test, deploy, and maintain software and services following established SDLC practices.
  • Perform critical code reviews and collaborate with peers on software solutions.
  • Collaborate with Product Managers and Quality Engineers to deliver high-quality software user experiences.

VERSANT is a leading force in news, sports and entertainment - home to iconic and trusted brands that inspire, inform, and delight audiences. With a forward-looking vision, VERSANT empowers creativity, embraces change, and drives connection in an ever-evolving world.

$157,250–$185,000/yr
US

  • Function as an application developer and data-forward thinker.
  • Responsible for configuring, coding, testing, debugging, and creating technical documentation.
  • Strong analytic capability and the ability to create innovative solutions.

Mercer Advisors helps families amplify and simplify their financial lives by integrating various financial services. They are a large firm serving over 31,300 families across more than 90 cities in the U.S., known for a diverse and flexible work environment.

$125,000–$175,000/yr
US

  • Design, build, and maintain highly performant code for core services.
  • Champion code quality, automated testing, and observability.
  • Mentor junior engineers and provide collaborative feedback.

PerfectServe offers unified healthcare communication solutions to help physicians, nurses, and care team members provide exceptional patient care. PerfectServe has seen an 88% growth rate over the past three years and values team players who can respectfully challenge ideas, contribute to technical debates, and work together.

Brazil

  • Desenvolver e evoluir soluções em C# (.NET Framework e .NET Core)
  • Aplicar boas práticas de desenvolvimento, como TDD e DDD
  • Trabalhar com bancos relacionais (SQL Server, PostgreSQL) e não relacionais (MongoDB)

Zenvia offers the Zenvia Customer Cloud, a unified and multi-channel solution that allows companies to create personalized and fluid experiences for customers. Zenvia is recognized for innovation and creating a collaborative environment that values the autonomy of its employees.

India 5w PTO

  • Become a go-to expert in one area of the codebase, understand the broad architecture of the entire system.
  • Regularly deliver software on-time and is constantly working to make accurate estimates and deliver on those estimates.
  • Take initiative to identify and solve important problems, coordinating with others on cross-cutting technical issues.

ShipBob is a leading global supply chain and fulfillment technology platform designed for SMB and Mid-Market ecommerce merchants. They provide access to best-in-class capabilities and deliver a delightful shopper experience. ShipBob is backed by leading investors and is one of the fastest-growing tech companies headquartered in Chicago.

$140,000–$165,000/yr
US

  • Develop, maintain, test, and optimize backend services with a strong emphasis on code quality and reliability.
  • Build and support large-scale, high-throughput systems handling millions of daily transactions.
  • Create and maintain automated tests to ensure long-term stability and maintainability.

They are the #1 trusted cloud-based content management and productivity platform that helps legal professionals do their best work. NetDocuments provides rewarding career growth in an inclusive, diverse environment where employees are encouraged to openly contribute creative ideas and innovation.

New Zealand

  • Overseeing the core identity system that manages token and non-human authentication.
  • Developing and maintaining secure system-to-system and 3rd party embedding solutions.
  • Supporting the tech stack which includes .NET, C#, and backend-focussed distributed systems.

Xero is a platform ensuring customers have safe, low-friction access to products and services. They are a collaborative group of engineers who run mission-critical services and work closely together to provide internal product teams with the tools they need to integrate with their identity platform.

$120,000–$140,000/yr
US

  • Develop and maintain scalable web applications using .NET Core and Angular.
  • Build, deploy, and maintain RESTful APIs to support web and machine learning applications.
  • Collaborate cross-functionally with engineering, product, and business teams to translate requirements into scalable solutions.

Reliant Health Partners is an innovative medical claims repricing service provider, helping employers achieve maximum health plan savings. They tailor their services to each client’s needs, providing everything from individual specialty claims repricing, to full plan replacement.

US

  • Contribute to the design, development, and delivery of releasable, high-quality software by working across the full stack and contributing to new and existing features.
  • Author code aligned with internal standards and guidance from architects to ensure maintainability and consistency across our products.
  • Develop, maintain, and update automated test systems as functionality changes during the evolution of our products.

EZLynx, a division of Applied, is committed to transforming every facet of agency life by providing the most innovative solutions. They aim to improve how independent insurance agents work every day and are the Real-Time Rating pioneers in their industry. At Applied, they are committed to their work, customers, having fun, and most importantly to each other’s success.

US

  • Lead technical initiatives and drive architecture of our SaaS platform.
  • Mentor engineers and integrate technical solutions with research.
  • Ensure solutions meet the highest standards of quality and innovation.

Alvys is on a mission to revolutionize transportation logistics by building a multi-tenant SaaS platform that's becoming an essential tool for transportation companies. They are committed to excellence and innovation to create solutions that address real-world challenges in the freight industry.

US

  • Work with engineering and business partners to define and build complex solutions.
  • Lead solution development end-to-end for new innovations with iterative improvements.
  • Develop business logic to empower our web and mobile applications via RESTful APIs.

Connection is a company that provides technical staffing solutions. They focus on connecting talented individuals with organizations seeking skilled professionals.

US

  • Design, develop, and maintain scalable backend services and APIs, ensuring high performance, security, and reliability.
  • Build and optimize data pipelines to ingest, store, and serve large-scale datasets, including video and ML training data.
  • Own and evolve the foundational data model that powers the entire Frontera platform.

Frontera is reimagining how children with autism and other behavioral health needs get the care they deserve. They bring together clinicians, technologists, and autism specialists to build cutting-edge AI tools that help care teams, expanding access to high-quality services for families everywhere.

Global

  • Build and maintain features across the stack: React/JavaScript on the frontend, Ruby on Rails on the backend.
  • Write high-quality, well-tested code (RSpec, Jest) and participate in code reviews.
  • Collaborate with product managers and designers to scope user stories and deliver value iteratively.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Their system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company.

$135,000–$162,000/yr
US

  • Design, build, and maintain backend services using modern dotnet.
  • Implement and evolve APIs (REST and GraphQL) for internal tools, AI agents, and client-facing features.
  • Build event-driven, cloud-native services on AWS.

FirmPilot builds AI-powered systems that automate and scale real-world business outcomes for law firms. We are a young, remote-first company focused on building durable, production-grade software.

Europe

  • Build, deploy, and maintain Sitecore-based web platforms and AWS-powered applications.
  • Develop scalable services, integrations, and localized solutions using modern cloud, event-driven, and serverless technologies.
  • Work within enterprise environments.

Software Mind develops solutions that make an impact for companies around the globe. They build cross-functional engineering teams that take ownership and crave more, embracing openness, respect, grit, and the combination of employment with enjoyment.

$75,000–$85,000/yr
Europe

  • Provide senior-level implementation for new features across the full-stack
  • Implement full test automation for your work
  • Own projects from a technical perspective, from conceptualization to launch

Skedda is a leading global workplace management platform, serving over 7,000 customers including Toyota, Siemens, Mercedes-Benz, MIT, and Harvard University. They are shaping the future of the modern workplace experience. Their team has doubled in size in the last year and continues to grow quickly.

$135,000–$200,000/yr
US Unlimited PTO

  • Design, develop, and maintain scalable, and efficient backend systems and services that meet enterprise requirements
  • Optimize and improve the performance, reliability, and scalability of existing backend systems
  • Write clean, maintainable, and testable code that adheres to best practices

Cortex is the AI-powered Internal Developer Portal that helps engineering leaders at companies build organizations that ship reliable, secure, and efficient software, faster. They are a mighty group of ~100 passionate individuals excited about building a product that developers love.

South America

  • Driving technical decisions and facing complex business challenges with clients and cross-functional teams.
  • Conducting code reviews and ensuring adherence to architectural standards.
  • Mentoring and coaching team members on best practices, code quality, and technical growth.

CI&T is a tech transformation specialist, uniting human expertise with AI to create scalable tech solutions. With over 8,000 employees around the world, they have partnerships with more than 1,000 clients during their 30 years of history, fostering a culture of innovation and collaboration.

Argentina 3w PTO

  • Develop and enhance backend applications using C# .NET and WPF.
  • Participate in Scrum ceremonies and collaborate with cross-functional teams.
  • Analyze requirements and propose technical solutions aligned with standards.

Jobgether is a platform that connects job seekers with companies. The company uses an AI-powered matching process to ensure applications are reviewed quickly and fairly.