Andrii V.
Available now

Andrii V.

Senior Python Engineer

12 years of experience

Canada 🇨🇦
English (C1)
Interview

Short bio

Senior Python Developer with 11+ years of experience designing scalable backend systems and microservice architectures across data analytics, logistics, and fintech platforms. Proven track record leading engineering teams and delivering cloud-native solutions on AWS and Kubernetes. Recently led development of AI-powered and real-time observability platforms using modern Python frameworks and large-scale data technologies. Strong background in system architecture, distributed systems, and mentoring teams in Agile environments.

Tech stack

Main technologies
PythonDjangoFastAPIFlaskSanicAWSKubernetesDockerGitlabApache SparkKafkaRabbitMQPostgreSQLMySQLMongoDBElasticsearchOpenAIPineconeJira

Work experience

  • Software Engineer2024-20262 y.

    Led development of a real-time data analytics platform for monitoring infrastructure logs, metrics, and system events.

    Responsibilities:
    • Cultivated strong stakeholder relationships by delivering scalable, production-ready code under tight deadlines, earning a contract extension and expanded project scope.
    • Optimized development workflows by introducing standardized class patterns, cutting feature implementation time by 20% and testing effort by 60%.
    • Engineered a scalable, reusable JIRA API interface, enabling consistent integration across the project and reducing technical debt by centralizing error handling, authentication, and logging logic for all dependent services.

    Technologies: Python, MongoDB, Datadog, Okta, GitLab CI/CD

  • Software Engineer2022-20242 y.

    Re-design distributed service responsible for managing global IP address pools and allocation systems.

    Responsibilities:
    • Reduced critical application vulnerabilities by >99% (from 650 to 2) through a comprehensive security audit and dependency refactoring, ensuring compliance and enhancing production stability.
    • Improved application performance by 30% for read-heavy operations by re-architecting data retrieval strategies through materialized views, significantly enhancing the end-user experience.
    • Managed a small engineering team while maintaining hands-on development.

    Technologies: Python, Django, AWS, Kubernetes, Helm, Datadog

  • Software Engineer2022

    Led development of an AI-powered chatbot platform that generates API integration code and answers developer queries.

    Responsibilities:
    • Engineered a scalable agentic AI workflow using AWS Bedrock and RAG; successfully transitioned the system from a prototype to a high-value agent, directly influencing client decision-making and project continuity.
    • Led iterative AI development, diagnosing initial product-market fit challenges and re-engineering the system to provide actionable, data-driven agentic capabilities.

    Technologies: Python, AWS (EKS, EC2, Bedrock), OpenAI, Pinecone, Streamlit

  • Software Engineer2020-20222 y.

    Developed backend services for a logistics platform connecting carriers and customers for shipping, tracking, and delivery operations.

    Responsibilities:
    • Architected and built a unified microservices layer for multi-carrier logistics, implemented a standardized abstraction layer that reduced time-to-market for new carrier integrations by 75%.
    • Developed an automated anomaly detection pipeline for high-volume logistics, flagging transit bottlenecks and potential parcel losses before they escalate into support tickets.
    • Optimized query performance by 250% by architecting a denormalized database schema, strategically reducing complex multi-table joins in read-heavy workflows.

    Technologies: FastAPI, Django, PostgreSQL, RabbitMQ, SQLAlchemy

  • Software Engineer2018-20202 y.

    Led development of a distributed system responsible for processing financial transaction data and calculating tax returns.

    Responsibilities:
    • Led a cross-functional team through a major technology stack adoption; implemented structured mentorship, internal workshops, and code-review guidelines that bridged the skill gap and accelerated team velocity.
    • Designed microservices responsible for financial data ingestion and tax calculations.
    • Implemented dynamic execution of Python strategies for data analysis within Apache Spark.
    • Mentored developers and managed system architecture and deployment processes.

    Technologies: Python, Apache Spark, Kafka, Postgres, Celery, Sanic

  • Software Engineer2014-20184 y.

    Worked on multiple backend platforms including:

    Responsibilities:
    • Job marketplace mobile platform with geolocation services
    • IoT tracking system with tag-based asset tracking
    • Microfinance lending platform with credit risk calculations
    • Wi-Fi hotspot analytics system with social media integrations

    Technologies: Django, PostgreSQL, RabbitMQ, Celery, REST APIs, and Linux infrastructure.

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