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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer (Angular + Python) - **Company:** System One - **Location:** Pittsburgh, PA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, Amazon S3, User Authentication, Cross-Origin Resource Sharing (Ajax Programming), Data Validation, Extract Transform Load (ETL), Dependency Injection, DevOps, Middleware, Identity and Access Management, Python (Programming Language), PostgreSQL, OAuth, Open Web Application Security, Performance Tuning, Scrum Methodology, Query Optimization, Cloud Services, Amazon Simple Notification Service (SNS), SQLAlchemy, TypeScript, Web Content Accessibility Guidelines, Openapi, RxJS, Database Optimization, Cypress (Programming Language), Caching, AWS Lambda, Indexer, Backend, Rate Limiting, Fastapi, AngularJS, Information Technology, AWS Glue, Front End Software Development, Api Design, Cloudwatch, Restful APIs, Amazon Simple Queue Service (SQS), Data Pipelines, Serverless Computing, Jasmine - **Published:** July 14, 2026 - **Apply:** https://www.juju.com/job/00000000gglnqg ## About the Role + Proven experience with Angular 15+ including NgRx, RxJS, Angular Signals, and TypeScript. + Strong backend development skills with Python 3.10+, FastAPI, Pydantic, SQLAlchemy, and API design principles. + Hands-on experience with PostgreSQL, including schema design, indexing, query optimization, and migrations using Alembic. + Knowledge of AWS cloud services such as Lambda, Glue, SNS, SQS, S3, and CloudWatch. + Experience implementing security and authentication with JWT and OAuth2. + Familiarity with performance tuning, accessibility standards, and testing frameworks like Jasmine, Jest, and Cypress. + Excellent collaboration, mentoring, and communication skills in a team environment. + Bachelor's degree in Computer Science, Information Technology, or related field preferred. ## Description + Design and implement frontend components using Angular, including component architecture, modules, lazy loading, standalone components, and reusable design systems. + Manage state with NgRx or Angular Signals, employing reactive patterns with RxJS, and designing service-layer interactions. + Optimize performance through change detection tuning, AOT compilation, and testing with Jasmine, Jest, or Cypress, ensuring accessibility standards are met (WCAG). + Develop backend APIs with Python FastAPI, including RESTful endpoint creation, Pydantic models, dependency injection, and OpenAPI documentation. + Implement async/await patterns, background tasks, caching, and rate limiting for performance enhancements. + Manage security and authentication using JWT/OAuth2, middleware, CORS, and coordinate input validation following OWASP guidelines. + Design and model PostgreSQL schemas, implement normalization, indexing strategies, migrations with Alembic, and optimize queries using EXPLAIN ANALYZE, CTEs, window functions. + Utilize SQLAlchemy for ORM and transaction management, ensuring transaction isolation and connection pooling. + Work with AWS cloud services, including serverless architecture, Lambda functions, SNS/SQS messaging, data pipelines with AWS Glue ETL, S3, and IAM security. + Participate in sprint planning, issue estimation, risk escalation, stakeholder communication, and collaborate across product, QA, and DevOps teams., System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. ## Related Videos - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators) - [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) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)