Source Job

  • Architect and build backend services, APIs, and cloud infrastructure using .NET Core and Azure.
  • Lead technical design, mentor junior engineers, and ensure platform performance, reliability, and regulatory compliance.
  • Own healthcare data integration standards including X12, HL7 FHIR, and NCPDP.

.NET Core C# Node.js Azure CI/CD

20 jobs similar to Senior Software Engineer (.NET)

Jobs ranked by similarity.

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.

$90,000–$100,000/yr
US

  • Implement core features for the new auction platform, covering inventory management, financial transactions, and customer management.
  • Collaborate with engineers, product managers, and other teams to turn business requirements into maintainable, scalable software.
  • Develop high-quality C# code, design efficient data models, build CI/CD pipelines, and integrate with Azure services and third-party systems.

OnTrac is a logistics and delivery services company. It is supporting a large wholesale digital-marketplace customer through a contractor program to modernize their auction platform.

Europe

  • Develop and maintain scalable enterprise applications using C#, .NET Core, and ASP.NET Core.
  • Build backend services, RESTful APIs, and microservices with secure coding and performance optimization.
  • Collaborate with cross-functional teams in an Agile environment using Azure DevOps and CI/CD pipelines.

The company focuses on developing scalable enterprise applications and supporting digital transformation. It fosters a dynamic, collaborative, Agile environment with an emphasis on modern Microsoft technologies and continuous improvement.

Global

  • Build scalable enterprise web applications using ASP.NET MVC and modern AI-assisted development tools.
  • Work on a cross-functional Scrum team owning the full software development lifecycle from conception to deployment.
  • Develop responsive frontends with AngularJS or React and robust APIs using C#, .NET Core, and Azure SQL Server.

Drips provides an AI-powered conversational texting platform that enables brands to connect with consumers at scale. The company has experienced rapid growth, values community, and every team member has a direct impact on the company's success.

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.

$120,000–$135,000/yr
US

  • Design, develop, and implement IT solutions that enhance system performance and availability for NAVSUP BSC.
  • Modernize and migrate multiple systems to various platforms, including coding, integration testing, and documentation.
  • Apply cybersecurity principles and automate builds, testing, and deployments within CI/CD pipelines.

Nakupuna Federal provides contractor support services to NAVSUP Business Systems Center, focusing on system modernization and IT solutions. The company offers a comprehensive benefits package and a collaborative, mission-driven environment.

Brazil

  • Design, build and evolve scalable, secure backend services using a modern .NET stack and RESTful APIs.
  • Apply Clean Architecture, SOLID and KISS principles to keep code modular, reusable and simple.
  • Build event-driven integrations, work with databases, and contribute to CI/CD, testing and code reviews.

CI&T helps large enterprises transform AI into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 8,000 employees across more than 25 countries, they collaborate to build impactful solutions in a multicultural, fast-moving environment.

North America Unlimited PTO

  • Lead Granum's Architecture team and drive technical roadmap execution as a hands-on player/coach.
  • Own architectural standards, platform upgrades, and security across the portfolio.
  • Support an AI-native development model with clear patterns for engineers and agents.

Granum is a leading software company serving landscapers and arborists across North America, bringing together LMN, SingleOps, and Greenius. The company has a collaborative, innovative culture and has been recognized with multiple best-place-to-work awards.

Brazil

  • Build and evolve scalable backend services and APIs using C#, .NET, and Azure technologies.
  • Collaborate on cloud-native applications and distributed systems with event-driven architectures.
  • Apply engineering best practices across development, testing, deployment, and monitoring for high-quality software.

CI&T helps large enterprises harness AI to drive business impact through AI deployment, modernization, and tech-integrated solutions. With 8,000 employees across 25 countries, the company fosters a collaborative culture focused on innovation and continuous learning.

$120,000–$140,000/yr
US Unlimited PTO

  • Design, develop, and support Mission Telecom software applications using C#, .NET, ASP.NET Core, Blazor Server, and related technologies.
  • Own integrations, databases, security, Azure operations, and CI/CD for Mission Connect and related systems.
  • Translate business requirements into automated workflows across sales, billing, payments, and operational functions.

Mission Telecom is a 501(c)(4) nonprofit wireless broadband provider and grantmaking foundation that partners with nonprofits, schools, and libraries to close the digital divide. They foster an environment of innovation, collaboration, and purpose-driven work.

$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.

US

  • Leads backend architecture and system design for Node.js services.
  • Designs and implements complex Node.js and TypeScript features.
  • Provides technical leadership and mentoring to the Node sub-team.

Evry Health is a healthcare technology company building a backend platform for health insurance. It is a remote-first company with a focus on engineering excellence and regulatory compliance.

Brazil

  • Develop and evolve .NET backend services, including .NET Worker Services and ASP.NET Core APIs.
  • Implement data integration with Azure Cosmos DB and SQL Server, ensuring consistency and resilience.
  • Work with Kubernetes/AKS, implement authentication/authorization, and ensure observability and testing.

CI&T helps large companies transform AI potential into real business impact with AI deployment and tech-integrated solutions. The company has 8,000 employees across 25+ countries, with a culture of collaboration and continuous innovation.

  • Design, develop, test, and maintain enterprise software applications across the full stack.
  • Collaborate with engineers, product owners, and stakeholders in a mature Agile environment.
  • Build responsive front-end interfaces with JavaScript frameworks and optimize database solutions.

Kodiak Solutions specializes in healthcare finance, unclaimed property, risk management, and revenue cycle management through technology-driven solutions. Their collaborative engineering team focuses on simplifying complex financial operations for healthcare providers.

$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 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.

Global 5w PTO

  • You will develop and maintain backend services for payment processing and financial operations.
  • Design and implement resilient microservices and integrations using modern cloud infrastructure.
  • Leverage AI-powered tools to deliver high-quality, production-ready code.

They provide financial technology services for payment processing and business operations. The company operates with a fully remote, international team and emphasizes high engineering standards and AI-assisted development.

Spain

  • Architect and write production code for core platform features, defining system boundaries, data models, and API contracts.
  • Lead a distributed agile team, running sprints, conducting 1:1 mentorship, code reviews, and pair programming.
  • Drive engineering excellence through TDD, CI/CD, observability, and AI tool adoption while resolving complex performance issues.

They build an enterprise-grade IoT asset tracking platform for global industrial leaders across chemical, automotive, and energy sectors. They operate in an AI-first, fully remote environment with a diverse, world-class global team.

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.

4w PTO

  • Design and develop applications and APIs using .NET/C# and modern architecture.
  • Build, deploy, and manage services on Microsoft Azure and optimize SQL Server databases.
  • Leverage agentic AI coding tools and mentor developers to raise engineering standards.

Fragomen is the leading global immigration law firm with more than 6,000 professionals in nearly 70 offices across the Americas, EMEA and Asia Pacific. The firm helps corporations and individuals navigate global mobility and is committed to diversity, inclusion, and innovation.