Nestor Arocha

Platform Engineer - Iwoca Jun/2018 - Mar/2026

Returning role as assisting team for DevOps or architectural cross system and cross team tasks. Steering direction of the system and data architecture towards more self sufficient teams

• projects: python2 to 3 of existing codebase (>1M LoC), enforcing ownership on gitlab, porting parts of the stack to rust, grpc
• software: Django, python2 to 3, parsers, mypy, rust, pyO3, celery, pydantic, asyncio
• platform: uv, postgres, kafka, temporal.io, gitlab, mongodb, redis
• data: snowflake, chalk, looker
• infrastructure: AWS, docker, kubernetes, terraform, datadog
• documentation: mdBook, notion, confluence, miro

Software Developer - Rightmove Jun/2017 - May/2019

Refactoring of a Python/Django/postgres application to reduce compute time (24h->4h) and integrate with existing Java infrastructure: Enriching anemic domain, improved ORM querying and dataframe handling

• ML: models for customer identification
• marketing: IBM email marketing automation
• platforms: AWS, git, Atlassian, Oracle

CTO - FundingOptions Apr/2014 - Jun/2017

Delivery of the company's technical needs: Technical choices, team management, project delivery, introduction of coding standards, improved codebase quality, size and performance.

• main project: Design and implementation of a lending matching platform that awarded Bank Referral Scheme participation. Python/django/mysql
• other projects: Managing large databases (all UK companies at the time) through Pylons/SQLAlchemy/MySQL and working with big datasets to reduce latency
• API integrations: (xero, freeagent, sageone, stripe, Companies house)
• software and databases: Django, pyramid, sqlalchemy, celery, mysql, redis, MongoDB
• CRMs: We migrated from CapsuleCRM to Salesforce
• platform: Ansible and AWS EC2 administration

Lead Software developer- Iwoca Feb/2012 - Feb/2014

Scale up of the company infrastructure together with a small team (customer website, administration, database, business logic)

• platform: design and implementation of the CI systems. AWS EC2 administration
• software: Django, twisted, celery, mysql, mongodb, rabbitmq
• API integrations eBay, teletrack, salesforce

Other Projects

• Speech recognition and subtitle alignment projects (sphinx3)
• Open source python grammar DSL library
• Sysadmin tasks with nagios, vpn firewall management, gaming services linux

• University of Las Palmas de Gran Canaria, Spain
• Second best academic registry of the year (7,797/10)
• Final year project:
  • Design and development of a teaching oriented interface for R statistical package
  • Written in Python, is a QT based GUI for R statistical package. Graded with special distinction