1h 29m ago
Senior Python Engineer
pythonawsgraphqldynamodbpostgresql+2
On-site
|SerbiaSenior Python Engineer
Paychex | Human capital management and payroll software
1h 29m agoOn-site
Full Time
IC
Serbia
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
Qualifications
What's in it for you?
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.
Responsibilities
Own end-to-end backend feature delivery with Python on AWS serverless (Lambda, API Gateway, SQS/SNS, EventBridge, Step Functions).
Design, build and maintain clean, well-documented GraphQL APIs that power product experiences across the platform, with attention to schema design, versioning, performance and security.
Architect scalable, resilient distributed and event-driven services, including integrations with third-party systems, idempotency, retries and failure recovery.
Design and optimize data models and storage (e.g., DynamoDB, PostgreSQL/Aurora, S3), with a focus on data integrity, query performance and cost efficiency.
Work closely with Product and the Design Agency to define roadmaps and create epics and stories.
Collaborate on AI-powered features and intelligent automation services, with rigor in verifying AI-assisted work.
Integrate with and improve our fully automated CI/CD pipeline (CircleCI, GitHub Actions), including infrastructure as code (e.g., Terraform, AWS CDK or CloudFormation).
Drive backend standards for security, observability and reliability, and mentor other engineers through design and code reviews.
Qualifications
5+ years of backend development experience, with a focus on Python and AWS serverless.
Strong experience designing and building GraphQL and/or REST APIs at scale.
Experience building and supporting distributed, event-driven systems, including integrations with third-party services and designing for resilience and failure recovery.
Solid knowledge of relational and NoSQL databases, data modeling and performance tuning.
Strong testing and clean-coding mindset (BDD, TDD, SOLID).
DevOps-aware mindset: CI/CD with CircleCI and GitHub Actions, infrastructure as code, observability with Datadog or equivalent, and rollback readiness.
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 where accuracy and correctness are critical.
Understanding of application security best practices (authentication/authorization, IAM, secrets management, data protection).
Experience leading product delivery: roadmaps, epics, planning and collaboration.
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.
Own end-to-end backend feature delivery with Python on AWS serverless (Lambda, API Gateway, SQS/SNS, EventBridge, Step Functions).
Design, build and maintain clean, well-documented GraphQL APIs that power product experiences across the platform, with attention to schema design, versioning, performance and security.
Architect scalable, resilient distributed and event-driven services, including integrations with third-party systems, idempotency, retries and failure recovery.
Design and optimize data models and storage (e.g., DynamoDB, PostgreSQL/Aurora, S3), with a focus on data integrity, query performance and cost efficiency.
Work closely with Product and the Design Agency to define roadmaps and create epics and stories.
Collaborate on AI-powered features and intelligent automation services, with rigor in verifying AI-assisted work.
Integrate with and improve our fully automated CI/CD pipeline (CircleCI, GitHub Actions), including infrastructure as code (e.g., Terraform, AWS CDK or CloudFormation).
Drive backend standards for security, observability and reliability, and mentor other engineers through design and code reviews.
5+ years of backend development experience, with a focus on Python and AWS serverless.
Strong experience designing and building GraphQL and/or REST APIs at scale.
Experience building and supporting distributed, event-driven systems, including integrations with third-party services and designing for resilience and failure recovery.
Solid knowledge of relational and NoSQL databases, data modeling and performance tuning.
Strong testing and clean-coding mindset (BDD, TDD, SOLID).
DevOps-aware mindset: CI/CD with CircleCI and GitHub Actions, infrastructure as code, observability with Datadog or equivalent, and rollback readiness.
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 where accuracy and correctness are critical.
Understanding of application security best practices (authentication/authorization, IAM, secrets management, data protection).
Experience leading product delivery: roadmaps, epics, planning and collaboration.
Experience using AI-powered tools.
Required Skills
pythonawsgraphqldynamodbpostgresqlcirclecigithub
Required Languages
🇬🇧 English