{"id":2604037,"url":"https://alion.io/job/paychex-full-stack-python-engineer-mid-level","title":"Full-Stack Python Engineer (Mid-Level)","company":{"id":1764039,"name":"Paychex","domain":"paychex.com","url":"https://alion.io/company/paychex-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jibe","truth_index":{"grade":"B","score":75,"open_postings":60,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":22,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"CircleCI","optional":false},{"name":"Figma","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GraphQL","optional":false},{"name":"Material UI","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-15T08:35:00Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-15T23:44:07Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Paychex is reimagining how businesses manage their workforce by bringing payroll, HR, benefits, and advisory services together into a single connected HCM platform. As Paychex and Paycor come together, we're combining innovative technology, data-driven insights, AI, and human expertise to help organizations work smarter, support their people, and achieve better business outcomes. This is an exciting time to join our team as we continue to invest in innovation, simplify client experiences, and shape the future of work. At Paychex, you'll have the opportunity to grow your career, make a meaningful impact, and be part of something bigger as One Paychex.Responsibilities\nBuild and deliver backend services and product features using Python and AWS serverless technologies (Lambda), with clean GraphQL API integrations.\nParticipate in frontend development using React, MUI, and high-fidelity Figma designs to create intuitive and responsive user experiences.\nCollaborate with Product and Design teams to refine requirements, contribute to user stories, and support feature planning.\nDevelop, consume, and integrate GraphQL APIs that power dynamic content and product functionality across the platform.\nContribute to AI-powered features and intelligent automation initiatives, while applying sound judgment when working with AI-assisted solutions.\nWrite clean, maintainable, and well-tested code while following established engineering best practices, including BDD/TDD where applicable.\nWork within a fully automated CI/CD environment using CircleCI and GitHub Actions.\nHelp shape and enhance our design system while contributing to a scalable, component-based UI foundation.\nQualifications\n3+ years of full-stack development experience, with a focus on Python and React\nStrong testing and clean coding mindset (BDD, TDD, SOLID principles).\nDevOps-aware mindset, including experience working with CI/CD pipelines (CircleCI, GitHub Actions).\nExperience collaborating with cross-functional teams on product features, requirements, planning, and delivery.\nExperience supporting applications in production environments, including monitoring, troubleshooting, and issue resolution.\nSolid testing and verification mindset, with a focus on delivering reliable, high-quality software.\nExperience building and supporting distributed systems, including integrations with third-party services and designing for reliability and resilience is a plus.\nExperience using AI-powered development tools is a plus.\nLive the Paychex Values\nAct with uncompromising integrity.\nProvide outstanding service and build trusted relationships.\nDrive innovation in our products and services and continually improve our processes.\nWork in partnership and support each other.\nBe personally accountable and deliver on commitments.\nTreat each other with respect and dignity.\nWhat's in it for you?\nA flexible work philosophy\nCompany paid private health insurance\nCompany paid life and disability insurance\nPaid leave for illness, birth parents, non-birth parents, elder caregivers, marriage, adoption of a child and bereavement\nInclusive and accessible Employee Assistance Program (EAP) to help with everyday challenges\nChristmas and Easter bonuses\nOpportunity for strengthening expertise and skills through Paychex’s learning platform, including lessons in English\nNot sure if you meet every requirement?\nAt Paychex, we know that great talent comes in many forms. If you're passionate about the role but don't check every box, we still encourage you to apply. You might be the right fit - either for this position or another opportunity with us.\n\nPaychex is an equal opportunity employer. We are committed to fostering a respectful and inclusive workplace where all individuals are treated fairly and evaluated based on their qualifications, experience, and merit. We comply with all applicable federal, state, and local laws prohibiting discrimination in employment.\nBuild and deliver backend services and product features using Python and AWS serverless technologies (Lambda), with clean GraphQL API integrations.\nParticipate in frontend development using React, MUI, and high-fidelity Figma designs to create intuitive and responsive user experiences.\nCollaborate with Product and Design teams to refine requirements, contribute to user stories, and support feature planning.\nDevelop, consume, and integrate GraphQL APIs that power dynamic content and product functionality across the platform.\nContribute to AI-powered features and intelligent automation initiatives, while applying sound judgment when working with AI-assisted solutions.\nWrite clean, maintainable, and well-tested code while following established engineering best practices, including BDD/TDD where applicable.\nWork within a fully automated CI/CD environment using CircleCI and GitHub Actions.\nHelp shape and enhance our design system while contributing to a scalable, component-based UI foundation.\n3+ years of full-stack development experience, with a focus on Python and React\nStrong testing and clean coding mindset (BDD, TDD, SOLID principles).\nDevOps-aware mindset, including experience working with CI/CD pipelines (CircleCI, GitHub Actions).\nExperience collaborating with cross-functional teams on product features, requirements, planning, and delivery.\nExperience supporting applications in production environments, including monitoring, troubleshooting, and issue resolution.\nSolid testing and verification mindset, with a focus on delivering reliable, high-quality software.\nExperience building and supporting distributed systems, including integrations with third-party services and designing for reliability and resilience is a plus.\nExperience using AI-powered development tools is a 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