Senior Software Engineer / Team Lead - OP02307

New opportunities in Latin America! 🟢 Dev.Pro is a US-based software development company helping tech companies build their products and grow their business. We’re remote-first, and we work with independent contractors in over 55 countries, so you’d be collaborating in a multicultural environment on some really interesting projects. We invite a Senior Full-Stack Software Engineer to join our team and work on an orchestration platform for a leading global 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 — ✅ Interview — ✅ Signing the Contract Interested? Find out more: 📋 How to Join Us 💻 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.