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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.

C# .NET Microservices SQL Azure

20 jobs similar to Senior Software Engineer – Architecture Modernization

Jobs ranked by similarity.

Tech Lead

Ryz Labs
Argentina

  • Provide technical leadership and direction within an established engineering scrum team.
  • Guide the decomposition of monolithic application components into independent microservices.
  • Conduct code reviews, mentor engineers, and drive improvements in code quality and system performance.

Ryz Labs is a technology company that provides engineering talent and services. We are a growing team focused on delivering high-quality software solutions and fostering a culture of collaboration and innovation.

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.

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.

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.

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.

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.

Mexico

  • Build, integrate, and modernize software systems using C#/.NET and Angular.
  • Troubleshoot SQL Server, REST APIs, and production issues in complex environments.
  • Develop adapters and incremental replacements to safely modernize legacy functionality.

Tech Holding is a full-service consulting firm that delivers predictable outcomes and high-quality solutions to clients. Founded by experienced industry professionals, the company emphasizes deep expertise, integrity, transparency, and dependability in a collaborative culture.

Italy

  • Develop and maintain cloud-native applications and services on Microsoft Azure.
  • Design and develop REST APIs using C# and .NET.
  • Implement and manage Azure services such as Functions, App Service, Cosmos DB, SQL Database, and Storage.

Everience is an international consulting group offering AI-powered digital services and placing people at the center of the AI revolution. With 4,000 employees across Europe, Africa, Asia, and America, it provides a stimulating and challenging environment for transforming and developing skills.

  • 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.

Evry Health is a commercial health plan company building a technology-driven platform for health insurance. It operates as a fully remote team with headquarters in Dallas, Texas, and values engineering excellence and healthcare compliance.

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.

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.

CI&T helps large enterprises transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across 25+ countries, they accelerate innovation in areas like data, AI, and martech.

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.

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.

$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.

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.

Philippines

  • Develop medium to large websites, console applications, and RESTful APIs using ASP.NET, C#, and JavaScript within the Microsoft stack.
  • Contribute to an agile project team and mentor other developers through pairing, design discussions, and code reviews.
  • Build and maintain internal tools, use AI-assisted development tools, and deploy software to Microsoft Azure.

Latin America

  • Identify security vulnerabilities and modernization opportunities in legacy web applications.
  • Remediate security findings and migrate legacy systems to .NET 8+ on AWS.
  • Develop, test, and maintain secure web applications and services using C#, VB.NET, and VB6.

Blue Coding specializes in hiring excellent developers from Latin America for clients in the US and Canada. Their fully remote team of over 150 engineers, PMs, QA, and designers works across more than 10 countries in the Americas.

Global

  • Design, build, and ship production C#/.NET services and REST APIs for a high-volume payment risk platform.
  • Own API contracts with frontend, implementing typed OpenAPI contracts and backward-compatible changes.
  • Work in a small AI-first team, using agentic coding tools like Claude Code to accelerate delivery.

Software Mind develops solutions that make an impact for companies around the globe. The company builds cross-functional engineering teams and fosters a culture of openness, respect, grit, and collaboration.

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.

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.