[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Paychex jobs](https://jobs.opennash.com/companies/paychex/) · [Search jobs](/search/) Paychex · Belgrade, Serbia # Senior Full-Stack Python Engineer Belgrade, Serbia Full-time Senior individual contributor Software Engineering Listed on Paychex’s official careers site. Posted October 15, 2026. Check that it is still open and apply there. [Apply on Paychex’s careers site →](https://serbiacareers-paychex.icims.com/jobs/46833/login) [OpenNash Jobs](https://jobs.opennash.com/) / [Paychex](https://jobs.opennash.com/companies/paychex/) / Senior Full-Stack Python Engineer ## Job 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 Own full stack feature delivery with Python on AWS serverless (Lambda) and clean GraphQL API integration. Strong experience building and maintaining modern frontend applications using React, with a focus on performance, scalability, and maintainable code. Work closely with Product and Design Agency to define roadmaps, create epics & stories, Architect and integrate GraphQL APIs to power dynamic content and product experiences across the platform. Collaborate on AI-powered features and intelligent automation interfaces, with rigor in verifying AI-assisted work. Integrate with our fully automated CI/CD pipeline (CircleCI, GitHub Actions). Help shape our design system and contribute to a scalable, componentized UI foundation. ### Qualifications 5+ years full stack development experience - focus on Python/AWS serverless and React. Strong testing and clean coding mindset (BDD, TDD, SOLID). DevOps-aware mindset (CI/CD with CircleCI and GitHub Actions, observability with Datadog or equivalent, rollback readiness). ### Experience leading product delivery roadmaps, epics, planning, collaboration. Experience building and supporting distributed, event-driven systems, including integrations with third-party services and designing for resilience and failure recovery. Strong sense of production ownership, including deployment, monitoring, incident management, and operational support. Solid testing and verification mindset, with a focus on delivering reliable, high-quality software in environments where accuracy and correctness are critical. Experience using AI-powered tools. What's in it for you? A flexible work philosophy Company paid private health insurance Company paid life and disability insurance Paid leave for illness, birth parents, non-birth parents, elder caregivers, marriage, adoption of a child and bereavement Inclusive and accessible Employee Assistance Program (EAP) to help with everyday challenges Christmas and Easter bonuses Opportunity for strengthening expertise and skills through Paychex’s learning platform, including lessons in English Not sure if you meet every requirement? At 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. Paychex 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. ## At a glance - Posted by the employer: Oct 15, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 3 days - Location: Belgrade, Serbia - Employment type: Full-time[Apply on Paychex’s careers site →](https://serbiacareers-paychex.icims.com/jobs/46833/login) ## More jobs at Paychex ### [Full-Stack Python Engineer (Mid-Level)](https://jobs.opennash.com/companies/paychex/jobs/5c490c231be9582f2d83/) Belgrade, Serbia ### [Salesforce Developer](https://jobs.opennash.com/companies/paychex/jobs/04d3aa2b964d726b7589/) Belgrade, Serbia ### [Account Executive - Retirement 401(k) Service](https://jobs.opennash.com/companies/paychex/jobs/e5bc4429cd6a3526e8e4/) United States ### [Account Executive - Retirement 401(k) Services](https://jobs.opennash.com/companies/paychex/jobs/a98274b1148ac44a9239/) Anaheim, California ### [Account Executive - Retirement 401(k) Services](https://jobs.opennash.com/companies/paychex/jobs/b9ae116bf5f86a110f32/) Austin, Texas ## Similar jobs at other companies ### [Lead Software Engineer - Python Full stack developer](https://jobs.opennash.com/companies/jpmorganchase/jobs/72c5807d2469f36cc5ca/) JPMorganChase · Hyderabad, Telangana, India ### [Senior Full Stack Engineer (React & Python) - Cork, Ireland](https://jobs.opennash.com/companies/qualcomm/jobs/f461e7fd79ff7314ad7a/) Qualcomm · Cork, Ireland ### [Software Engineer III - Full Stack (Python and React)](https://jobs.opennash.com/companies/jpmorganchase/jobs/659a10643310cb2973b9/) JPMorganChase · Bengaluru, Karnataka, India ### [Sr Full Stack Engineer - Python, Node, React, Typescript, GenAI](https://jobs.opennash.com/companies/unitedhealth-group/jobs/25355a2f9c6aa3bc9974/) UnitedHealth Group · Gurgaon, Haryana ### [Senior Full-Stack Engineer (Node.js + Python + React.js)](https://jobs.opennash.com/companies/hitachi/jobs/e68307497161ea5d74de/) Hitachi · Lviv, Lviv Oblast, Ukraine OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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