Senior Full-Stack Engineer for Fintech Platform (Remote)

Dev PRO; United States; Remote; USD 83,000 - 179,000; Full time

Job summary

Dev.Pro, a US-based outsourced software development company, is hiring aSenior Full-Stack Software Engineer to join our global, remote-first team. You will work on an orchestration platform for a leading fintech client, developing React.js applications, embeddable widgets, and .NET services, while contributing to AWS-based solutions and secure, production-ready software.

You will influence technical decisions, guide the team, and stay hands-on with development across React.js, .NET Core, AWS,

Qualifications

• 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.

Responsibilities

• 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.

Skills

C#/.NET Core

REST APIs

React.js

JavaScript/TypeScript

PostgreSQL

MongoDB

Microservices

AWS

Docker

Kubernetes

CI/CD

Git workflows

Tools

GitHub Actions

Jenkins

GitLab CI

Job description

Dev.Pro, a US-based outsourced software development company, is hiring aSenior Full-Stack Software Engineer to join our global, remote-first team. You will work on an orchestration platform for a leading fintech client, developing React.js applications, embeddable widgets, and .NET services, while contributing to AWS-based solutions and secure, production-ready software.

You will influence technical decisions, guide the team, and stay hands-on with development across React.js, .NET Core, AWS,