{"schemaVersion":"jobsearcher.job.v1","id":"d8ca77166e80e7e20edd1360","url":"https://jobsearcher.com/jobs/d8ca77166e80e7e20edd1360","canonicalUrl":"https://jobsearcher.com/jobs/d8ca77166e80e7e20edd1360","title":"Full Stack Software Engineer (React, Python/FastAPI, Pytest, Playwright) - Fulltime Position","description":"Full Stack Software Engineer (React, Python/FastAPI)Mount Arlington, New Jersey (2 days onsite per week - Only Locals)Fulltime/Permanent PositionJOB DETAILSTech stack emphasizes React, FastAPI (Python), PostgreSQL/MongoDB, and strong test engineering (pytest, Playwright).MUST be able to work onsite 2x weekly in Mount Arlington, New JerseyMUST be available for onsite interview for final round, no exceptionsEDUCATION/CERTIFICATIONBachelor of Science - Computer ScienceJOB QUALIFICATIONSThis role is explicitly hybrid: a functional full-stack engineer who is also a strong test engineer. You write the feature and the automated coverage that proves it. On a launching product, test quality is what makes velocity safe.Support model, contractors do not hold production access. Deployments and production operations pair through the full-time pod lead; your job is to make that pairing cheap — clean pipelines, feature flags, strong observability, and changes that are safe to ship.AI-assisted development is the standard working mode.TECHNOLOGY/SOFTWARE KNOWLEDGEStrong on the modern stack: React and Python/FastAPI with PostgreSQL; MongoDB a plus.Genuine test-engineering depth: pytest, Playwright, API and integration testing, and test design — not incidental coverage. This is a stated, weighted requirement for this role.Fluency in AI-assisted development required; experience launching a net-new SaaS product and life-sciences exposure both preferred.","company":"Activesoft","rawCompany":"activesoft","city":"Mt Arlington","state":"NJ","isRemote":false,"isActive":false,"createdAt":"2026-08-08T11:32:28.752Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Software Engineer (React, Python/FastAPI, Pytest, Playwright) - Fulltime Position","description":"Full Stack Software Engineer (React, Python/FastAPI)Mount Arlington, New Jersey (2 days onsite per week - Only Locals)Fulltime/Permanent PositionJOB DETAILSTech stack emphasizes React, FastAPI (Python), PostgreSQL/MongoDB, and strong test engineering (pytest, Playwright).MUST be able to work onsite 2x weekly in Mount Arlington, New JerseyMUST be available for onsite interview for final round, no exceptionsEDUCATION/CERTIFICATIONBachelor of Science - Computer ScienceJOB QUALIFICATIONSThis role is explicitly hybrid: a functional full-stack engineer who is also a strong test engineer. You write the feature and the automated coverage that proves it. On a launching product, test quality is what makes velocity safe.Support model, contractors do not hold production access. Deployments and production operations pair through the full-time pod lead; your job is to make that pairing cheap — clean pipelines, feature flags, strong observability, and changes that are safe to ship.AI-assisted development is the standard working mode.TECHNOLOGY/SOFTWARE KNOWLEDGEStrong on the modern stack: React and Python/FastAPI with PostgreSQL; MongoDB a plus.Genuine test-engineering depth: pytest, Playwright, API and integration testing, and test design — not incidental coverage. This is a stated, weighted requirement for this role.Fluency in AI-assisted development required; experience launching a net-new SaaS product and life-sciences exposure both preferred.","datePosted":"2026-08-08T11:32:28.752Z","dateModified":"2026-08-08T11:32:28.752Z","hiringOrganization":{"@type":"Organization","name":"Activesoft","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Mt Arlington","addressRegion":"NJ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d8ca77166e80e7e20edd1360"},"url":"https://jobsearcher.com/jobs/d8ca77166e80e7e20edd1360"}}