Senior Python developer (8+ years)

🎯 Your Mission

As a Senior Python Backend Developer, you will:

• Design and develop scalable backend services and integration solutions.
• Build secure APIs, microservices, and event-driven integrations.
• Support the evolution of a modern third-party data ecosystem.
• Improve data accessibility and real-time exchange between systems.
• Contribute to technical design and architectural decisions.
• Ensure solutions comply with quality, security, performance, and maintainability standards.
• Participate throughout the full software development lifecycle, from requirements analysis to production deployment and support.

💼 Key Responsibilities

Backend Development

• Design, develop, test, and maintain backend applications using Python.
• Build scalable services using frameworks such as FastAPI and Flask.
• Write clean, modular, reusable, and well-documented code.
• Apply clean architecture principles, software design patterns, and secure development practices.
• Identify and resolve defects, performance bottlenecks, and maintainability issues.
• Contribute to the continuous evolution and service continuity of the application ecosystem.

API & Microservices Development

• Design, develop, and maintain secure RESTful APIs.
• Build microservices supporting business processes and data exchange.
• Define clear API contracts and integration standards.
• Ensure reliable communication between internal and external systems.
• Implement appropriate authentication, authorization, validation, logging, and error-handling mechanisms.
• Contribute to API lifecycle management, documentation, and versioning.

Data Integration & Virtualization

• Develop integrations that improve access to third-party data.
• Support the adoption of data virtualization and modern integration patterns.
• Enable consistent and near real-time data availability across systems.
• Work with business and technical teams to understand data requirements and integration dependencies.
• Contribute to the development of reliable and sustainable data exchange solutions.
• Help maintain consistency between source systems, integration services, and consuming applications.

Architecture & System Design

• Design secure, scalable, and resilient backend architectures.
• Participate in technical design sessions and architecture reviews.
• Help model and implement solutions aligned with functional and technical requirements.
• Evaluate technical options and explain architectural trade-offs.
• Contribute to the long-term maintainability, scalability, and sustainability of the platform.
• Ensure alignment with enterprise architecture, quality, and security standards.

Database Engineering

• Design and optimize relational database structures.
• Develop complex and efficient SQL queries.
• Work with PostgreSQL and other relational database technologies.
• Support database performance analysis and optimization.
• Ensure data integrity, consistency, and efficient access patterns.
• Contribute to database design decisions for APIs, integrations, and backend services.

Event-Driven Integration

• Design and implement event-driven integrations where applicable.
• Support asynchronous communication between services and data platforms.
• Ensure integrations are resilient, observable, and capable of handling failures.
• Contribute to the evolution of scalable integration patterns across the ecosystem.

Testing & Quality Assurance

• Develop and maintain unit and integration tests using:PyTest
• Unittest
• Promote automated testing throughout the development lifecycle.
• Participate in code reviews and ensure compliance with engineering standards.
• Support Functional Testing and User Acceptance Testing activities.
• Investigate defects identified during testing and coordinate their resolution.
• Use test management tools such as ALM or Octane.
• Ensure appropriate test coverage for APIs, microservices, integrations, and data processes.

CI/CD & Industrialization

• Industrialize applications following CI/CD best practices.
• Contribute to automated build, testing, deployment, and release workflows.
• Maintain effective Git workflows and version-control practices.
• Support consistent deployment processes across development, testing, and production environments.
• Ensure software components are traceable, tested, and ready for production.
• Collaborate with DevOps teams to improve release quality and delivery efficiency.

Cloud & Containerization

• Develop and deploy applications in cloud environments such as:AWS
• IBM Cloud
• Build and maintain containerized applications using Docker.
• Ensure cloud solutions are secure, scalable, and aligned with internal standards.
• Contribute to cloud integration and application modernization initiatives.
• Support troubleshooting and technical analysis across cloud environments.

Monitoring & Observability

• Implement logging, monitoring, and observability capabilities.
• Ensure that application behavior, API performance, errors, and dependencies can be effectively monitored.
• Support production troubleshooting and root cause analysis.
• Contribute to the ongoing stability, performance, and availability of the platform.

Business & Technical Collaboration

• Work closely with Business Analysts and end users to understand functional requirements.
• Translate business needs into clear technical solutions.
• Explain technical decisions and support stakeholders throughout periods of change.
• Collaborate with Solution Architects, Developers, QA teams, and DevOps professionals.
• Contribute to specifications, technical documentation, estimations, and planning activities.
• Act as a bridge between business and technology when required.

Agile Delivery

• Participate actively in Agile and DevOps delivery processes.
• Contribute to backlog refinement, sprint planning, daily meetings, reviews, and retrospectives.
• Use Jira, Confluence, Git, and ALM to support collaboration and delivery.
• Communicate progress, risks, technical dependencies, and blockers clearly.
• Promote knowledge sharing and continuous improvement across the team.

✅ What We’re Looking For

Mandatory Requirements

• Strong professional experience in backend software development.
• Advanced proficiency in Python.
• Strong hands-on experience with:FastAPI
• Flask
• RESTful services
• Proven experience designing secure and scalable APIs.
• Strong understanding of microservices architectures and integration patterns.
• Experience with event-driven integrations.
• Advanced SQL skills.
• Experience with relational database design and optimization, preferably using PostgreSQL.
• Strong knowledge of software engineering best practices, including:Clean Architecture
• Design Patterns
• Code Reviews
• Automated Testing
• Git Workflows
• CI/CD
• Observability
• Experience with PyTest or Unittest.
• Experience with cloud environments and Docker.
• Experience working in Agile and DevOps environments.
• Professional proficiency in English.

🛠 Technical Stack

Backend Development

• Python
• FastAPI
• Flask
• RESTful Services
• Backend Architecture
• Microservices

Data & Databases

• SQL
• PostgreSQL
• Relational Databases
• Database Design
• Query Optimization
• Third-Party Data Integration
• Data Virtualization

Integration Architecture

• REST APIs
• API Integration
• Event-Driven Architecture
• Microservices Integration
• Real-Time Data Exchange
• Integration Frameworks

Testing & Quality

• PyTest
• Unittest
• Unit Testing
• Integration Testing
• Code Reviews
• ALM
• Octane

Cloud & Containers

• AWS
• IBM Cloud
• Docker
• Cloud-Based Applications
• Containerized Services

DevOps & Delivery

• CI/CD
• Git
• Automated Build and Deployment
• Jira
• Confluence
• Application Observability

Engineering Practices

• Clean Architecture
• Design Patterns
• Secure Development
• Code Quality
• Technical Documentation
• Performance Optimization