Senior Python Backend Engineer

• Facilitate effective communication with client project stakeholders regarding project status and technical recommendations.

• Lead the design and development of backend services and APIs using Python and the Pyramid framework on AWS.

• Architect and manage PostgreSQL schemas, queries, and performance optimizations for clinical-grade data.

• Build and maintain AWS infrastructure including Kubernetes (EKS), Lambda, API Gateway, and cloud-to-cloud integration patterns.

• Define backend coding standards, API design patterns, security best practices, and testing strategies.

• Mentor and guide backend engineers, driving engineering excellence across the team.

• Engage in agile software development including stand-ups, sprint planning, retrospectives, and estimation.

• Independently drive project delivery within defined architecture, demonstrating autonomy from conceptualization to deployment.

• Experience/expertise in the following areas specified below:

  • Design and implement scalable backend services and APIs using Python

  • Architect PostgreSQL databases with strong skills in schema design, query optimization, and data integrity

  • Utilize AWS services: Kubernetes (EKS), Lambda, API Gateway, RDS, S3, IAM, and cloud-to-cloud integrations

  • Mentor engineers, conduct code reviews, and enforce engineering standards across the team

  • Deliver production systems with high reliability, observability, and security

  • Must-Have Skills & Tools: 

    • Languages: Python, javascript, SQL, REST API

    • OAUTH 2

    • Docker

    • Database: PostgreSQL (advanced — schema design, performance tuning, stored procedures)

    • Cloud: AWS – Kubernetes (EKS), Lambda

    • Tools: Jira, Bitbucket/GitHub, Slack/Teams

    • Good to Have Skills 

      • Framework: Pyramid (Python web framework)

      • VsCode

      • Typescript

      • Snowflake

      • SQL Alchemy (ORM)

      • 6+ years of backend engineering experience, including 2+ years in a lead or tech lead role.

      • Strong understanding of SOLID principles, OOP, and clean architecture patterns.

      • Familiarity with OWASP security practices.

      • English proficiency.

• Experience with clinical or healthcare data systems (HL7, FHIR, GxP, 21 CFR Part 11).

• Knowledge of microservices and serverless architectural patterns.

• Experience with Docker, container orchestration, and modern CI/CD tooling.

• Proficiency with unit testing, integration testing, and TDD practices.

At 3Pillar, we offer a world of opportunity:

• Imagine a flexible work environment – whether it’s the office, your home, or a blend of both. From interviews to onboarding, we embody a remote-first approach.

• You will be part of a global team, learning from top talent around the world and across cultures, speaking English everyday.

• We’re big on your well-being – as a company, we spend a whole trimester in our annual cycle focused on wellbeing. Whether it is taking advantage of fitness offerings, mental health plans (country-dependent), or simply leveraging generous time off, we want all of our team members operating at their best.

• Our professional services model enables us to accelerate career growth and development opportunities – across projects, offerings, and industries.

• We are an equal opportunity employer. It goes without saying that we live by values like Intrinsic Dignity and Open Collaboration to create cutting-edge technology AND reinforce our commitment to diversity – globally and locally.

Join us and be a part of a global tech community! 🌍💼  Check out our Linkedin site and Careers page to learn more about what it’s like to be part of our #oneteam!