We are hiring in Latin America ? At Dev.
Pro, a US-based outsourced software development company, we're looking for contractors to join our global team of IT professionals helping tech companies scale their business through software engineering expertise. Operating as a remote-first company, our experts work across 55+ countries on five continents, giving us the flexibility and skillset to deliver high-quality engineering for projects of any size or complexity. We invite a Senior Full-Stack Software Engineer to join our team and work on an orchestration platform for a leading general fintech company. The platform enables business partners to integrate once and offer a growing range of embedded financial products to their clients. In this role, you’ll develop and maintain React.js applications, embeddable widgets, and .
NET services, contribute to AWS-based solutions, and support the delivery of secure, reliable, production-ready software. ? What's in it for you:
• Help shape a growing platform that enables a wide range of embedded financial products
• Tackle complex engineering challenges across React.js, .
NET, AWS, and partner integrations
• Influence technical decisions, guide the team, and stay hands-on with development ✅ Is that you?
• 10+ years of experience developing and supporting production software
• Strong C#/.
NET Core skills, including REST APIs, dependency injection, async programming, testing, and secure coding
• Hands-on experience with React.js, JavaScript/TypeScript, component architecture, state management, HTML, and CSS
• Experience with PostgreSQL, MongoDB, or similar relational and document databases




• Experience with microservices, API-first development, third-party integrations, and resilient distributed systems
• Hands-on experience with AWS, Docker, and Kubernetes/EKS
• Ability to write automated unit and integration tests and troubleshoot UI, API, data, and cloud issues
• Experience with Git workflows and CI/CD tools such as GitHub Actions, Jenkins, or GitLab CI
• Ability to translate requirements into maintainable, well-documented solutions
• Experience providing technical leadership and guidance to engineering teams
• Valid U.
S. visa and ability to travel to the U.
S. for onboarding and knowledge transfer Desirable:
• Experience with embeddable widgets, micro-frontends, white-label apps, or multi-tenant SaaS
• Experience with AWS Lambda, Step Functions, ECS batch, S3, KMS, certificate or secret management
• Exposure to Python services, data pipelines, and unittest
• Experience with Terraform/Pulumi and GitOps tools (Argo CD)
• Experience with Splunk, Datadog, Grafana, CloudWatch, distributed tracing, and incident support
• Background in financial services, payments, embedded finance, lending, or banking ?

Key responsibilities
and your contribution In this role,



you’ll combine hands-on engineering with technical leadership to deliver high-quality, reliable software solutions.
• Develop and maintain React.js applications, portals, and embeddable widgets
• Build secure REST APIs and microservices using C# and .
NET Core
• Implement business workflows and integrations with finance providers, partners, enterprise APIs, webhooks, file exchanges, and AWS services
• Design and maintain PostgreSQL and MongoDB schemas, queries, migrations, and data-access patterns
• Contribute to AWS workloads using EKS, Lambda, containers, and Step Functions or equivalent orchestration
• Write unit, component, integration, contract, and end-to-end tests
• Build reusable UI components and improve accessibility, performance, and maintainability
• Guide engineers and contribute to API/event-contract design, code reviews, architecture discussions, and documentation
• Support infrastructure automation using CI/CD, Docker, Kubernetes, and infrastructure as code
• Implement logging, metrics, tracing, and alerts; troubleshoot issues across application layers
• Collaborate with QA and operations on testing, release readiness, and recovery procedures Our next steps: ✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Client interview — ✅ Offer Interested? Find out more: ?How we hire ? LinkedIn Page ? Our website ?IG Page By submitting application, I've read and agree to the Dev.
Pro Private Policy and Consent on Processing of Personal Data. I agree to have my Personal Data being stored and processed by Dev.
Pro.

📌 Senior Software Engineer (Buenos Aires)
🏢 Dev.Pro
📍 Buenos Aires