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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Full-Stack Software Engineer - **Company:** First Fed - **Location:** Seattle, WA, United States - **Experience:** Expert - **Salary:** $139,199.0 - $236,638.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Application Integration Architecture, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Software Quality, Continuous Integration, Software Debugging, Decision Support Systems, DevOps, Github, PostgreSQL, SQL Azure, MongoDB, Node.Js, NoSQL, OAuth, Azure Active Directory, Secure Coding, Software Engineering, SQL Databases, Data Streaming, TypeScript, Microsoft Power Automate, Spring Cloud, ReactJS, System Availability, Reliability of Systems, Backend, Information Technology, Production Code, Operational Systems, Front End Software Development, Restful APIs, Terraform, Api Management, Docker, Legacy Systems - **Published:** June 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9bc56dd815c7f55c ## About the Role Do you have experience in TypeScript?, * Bachelor's degree in Computer Science, Engineering, or related field. * 15+ years of software engineering or full-stack development experience. * Strong experience with Microsoft Azure (Functions, Container Apps, Event Hub, APIM). * Deep experience with frontend development (React, TypeScript, JavaScript, HTML/CSS). * Hands-on experience with backend languages (C#, Go, or Node.js). * Experience with automation and workflow technologies (Power Automate, GitHub Actions). * Familiarity with SQL/NoSQL databases (PostgreSQL, MongoDB, Azure SQL). * Experience implementing secure development patterns and OAuth2/Azure AD security. * Experience with CI/CD, GitHub, Docker, and Terraform. * Strong understanding of system reliability, scalability, and observability. * Familiarity with AI-assisted development and applied AI use cases. * Experience in banking, fintech, or regulated industries. * Excellent analytical, debugging, communication, and cross-team collaboration skills Physical Requirements The work requires the ability to operate office machines and equipment, such as personal computers, printers, copying machines and telephones. The work requires the ability to communicate clearly with customers, coworkers, and others in person and on telephones. Work activities involve combinations of sitting/standing for extended periods. ## Description The Principal Full-Stack Software Engineer serves as a senior technical leader responsible for designing, evolving, and scaling critical customer-facing and operational systems across First Fed's digital banking ecosystem. This hands-on role is focused on delivering high-quality, cloud-native systems with an emphasis on customer experience, frontend development, and platform reliability. The role operates at a systems level-owning complex integrations, improving existing workflows, and modernizing legacy solutions without disrupting the business. This engineer will also help elevate engineering practices and leverage AI-assisted development and intelligent automation to improve delivery speed, system quality, and user outcomes., Engineering & System Ownership * Design, build, and maintain cloud-native applications and services in Azure. * Own systems end-to-end across frontend, backend, APIs, and data flows. * Write high-quality, maintainable production code. Customer Experience & Frontend * Build modern, responsive web applications using React, TypeScript, and modern UI patterns. * Create intuitive, performant, and accessible user experiences. * Partner with Product and Design to translate workflows into high-quality digital experiences. API & Integration Development * Design and implement RESTful and event-driven APIs. * Integrate with core banking systems, fintech partners, and internal platforms. * Build resilient data flows for ingestion, validation, and reconciliation. Modernization & Reliability * Improve and modernize legacy systems and workflows. * Strengthen system reliability through monitoring, alerting, and observability. * Develop internal tools to improve operational visibility and efficiency. DevOps & Engineering Productivity * Build and maintain CI/CD pipelines using GitHub and modern DevOps practices. * Apply automation and Infrastructure-as-Code for scalable deployments. * Improve developer experience and delivery velocity. AI-Augmented Engineering * Use AI-assisted tools to improve development speed and code quality. * Embed practical AI capabilities into systems (e.g., validation, routing, decision support). * Identify high-impact use cases for AI in customer and operational workflows. Technical Leadership * Set engineering standards and best practices. * Lead design discussions and influence architecture decisions. * Mentor engineers and contribute to team growth. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Robots are coming into the wild! Full-Stack Robotics Engineers, be ready!](https://www.wearedevelopers.com/videos/479-robots-are-coming-into-the-wild-full-stack-robotics-engineers-be-ready) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)