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I’m a Python Backend Engineer with 7+ years of experience building reliable, high-throughput data systems and real-time processing pipelines. I excel at reverse-engineering web structures, integrating with undocumented APIs, and building scraping solutions that scale. I deliver low-latency services handling tens of millions of requests per day with sub-100ms response times. I hold an ABN and am available for contract work with flexible hours and ongoing support. I’m passionate about building robust, observable systems and collaborating across teams to ship reliable software. I enjoy tackling complex problems, designing scalable architectures, and continuously improving development and operational processes.…I’m a Python Backend Engineer with 7+ years of experience building reliable, high-throughput data systems and real-time processing pipelines. I excel at reverse-engineering web structures, integrating with undocumented APIs, and building scraping solutions that scale. I deliver low-latency services handling tens of millions of requests per day with sub-100ms response times. I hold an ABN and am available for contract work with flexible hours and ongoing support. I’m passionate about building robust, observable systems and collaborating across teams to ship reliable software. I enjoy tackling complex problems, designing scalable architectures, and continuously improving development and operational processes.

Ivan Bazhenov

Back-End Developer, Full Stack Developer, Web Developer, +2

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I’m a Python Backend Engineer with 7+ years of experience building reliable, high-throughput data systems and real-time processing pipelines. I excel at reverse-engineering web structures, integrating with undocumented APIs, and building scraping solutions that scale. I deliver low-latency services handling tens of millions of requests per day with sub-100ms response times. I hold an ABN and am available for contract work with flexible hours and ongoing support. I’m passionate about building robust, observable systems and collaborating across teams to ship reliable software. I enjoy tackling complex problems, designing scalable architectures, and continuously improving development and operational processes.…I’m a Python Backend Engineer with 7+ years of experience building reliable, high-throughput data systems and real-time processing pipelines. I excel at reverse-engineering web structures, integrating with undocumented APIs, and building scraping solutions that scale. I deliver low-latency services handling tens of millions of requests per day with sub-100ms response times. I hold an ABN and am available for contract work with flexible hours and ongoing support. I’m passionate about building robust, observable systems and collaborating across teams to ship reliable software. I enjoy tackling complex problems, designing scalable architectures, and continuously improving development and operational processes.

Available to hire

I’m a Python Backend Engineer with 7+ years of experience building reliable, high-throughput data systems and real-time processing pipelines. I excel at reverse-engineering web structures, integrating with undocumented APIs, and building scraping solutions that scale. I deliver low-latency services handling tens of millions of requests per day with sub-100ms response times. I hold an ABN and am available for contract work with flexible hours and ongoing support.

I’m passionate about building robust, observable systems and collaborating across teams to ship reliable software. I enjoy tackling complex problems, designing scalable architectures, and continuously improving development and operational processes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer (Python Backend) at A2 Code — Enterprise cloud security platform

November 1, 2024 - Present

Reduced infrastructure complexity by re-architecting 7 synchronous single-cloud adapters into 1 asynchronous multi-cloud service, cutting Kubernetes pods from 7 to 1 while improving throughput and p95 latency. Built a scalable analytics layer consolidating PostgreSQL data with dbt and Apache Spark into ClickHouse, supporting high-volume reporting across multiple teams. Delivered a compliant security audit and event-logging platform with standardized schemas and SIEM/CEF exports, meeting enterprise security compliance requirements. Standardised CI/CD and dependency management with GitLab pipelines, improving release reliability and reducing integration issues across services. Improved incident response times by centralising distributed service logs into OpenSearch.

Software Engineer (Python Backend, High-Load Systems) at VK — Russia's largest social media and tech platform

August 1, 2023 - November 30, 2024

Designed and operated Python microservices backed by PostgreSQL, Kafka, and Tarantool, processing tens of millions of requests per day with >99.95% availability and sub-100ms p95 latency on critical paths. Built a shared internal transport library standardising secure HTTP calls, trace propagation, and structured logging across teams, accelerating service-to-service integrations by ~30% and cutting auth-related defects by ~60%. Replaced a legacy scheduler with a custom Tarantool-based timer subsystem handling millions of scheduled events per day, reducing scheduling failures by ~70% and operational complexity by ~50%. Migrated high-write PostgreSQL workloads to Tarantool in-memory storage on a multitenant platform handling 2,000+ RPS, removing a database bottleneck under traffic spikes. Improved incident triage time by ~40% by embedding distributed tracing (OpenTelemetry, Jaeger) and structured logs into high-traffic services.

Python Developer (Backend) at Balance-Platform LLC

March 1, 2020 - August 31, 2023

Automated end-to-end mortgage workflows using state machines, processing tens of thousands of loan applications per month for multiple banking clients and reducing manual operator effort by ~95% for ~90% of requests. Built a pension-fund data extraction and income-calculation service that cut borrower income verification from days to minutes. Integrated ML model outputs into the credit-scoring pipeline, increasing automated decision coverage by ~40% while reducing manual reviews. Improved platform availability from ~99% to 99.95%+ and cut deployment failures by ~70% by containerising services with Docker and migrating to Kubernetes with zero-downtime deployments. Lowered operational incidents by ~30% through improved service reliability, observability, and error handling across core backend services.

Full-Stack Developer (Python / Django) at Kefir Advertising Agency

March 1, 2019 - February 29, 2020

Cut content publishing time by ~65% by designing a custom Django-based CMS enabling non-technical teams to manage dynamic content without developer involvement. Improved site performance and SEO visibility by ~35% through dynamic sitemap generation, caching strategies, and optimised content delivery for high-traffic campaigns. Reduced frontend load times by ~30% by refactoring legacy jQuery code into modern JavaScript with webpack-based builds.

System Administrator / Python Automation Developer at Alexandrovsky Park Group

May 1, 2016 - January 31, 2019

Reduced manual IT operations effort by ~45% by developing Python automation scripts and MS SQL-based reporting tools for asset tracking, incident reporting, and operational monitoring. Maintained >99.5% infrastructure availability for 100+ endpoints across PCs, servers, and local network infrastructure.

System Administrator at Ulyanovskkurort JSC

August 1, 2011 - May 31, 2016

Sustained >99.5% system availability for 100+ endpoints; maintained corporate website with ~40% improvement in uptime and content turnaround.