Senior Backend Engineer
Senior Backend Engineer
Jakkalsdraf Consultant Profile
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About Me

Senior software engineer with 13+ years of backend development across FinTech, logistics, brand analytics, telecommunications, and retail. Passionate about Python, Linux, and PostgreSQL, designing APIs, database layers, and microservices on AWS (preferred), GCP, and Azure. Experienced team lead and mentor in Agile delivery, production releases, and integration-heavy systems.

Core Competencies
Languages & Frameworks
Python, FastAPI, Django, Tornado, Ruby, C#, C++, PHP, Bash.
Cloud & Infrastructure
AWS, GCP, Azure, Kubernetes, Docker, Ansible, GitLab CI, Linux (Ubuntu, CentOS), Nginx.
Data & Messaging
PostgreSQL, Microsoft SQL Server, DynamoDB, MongoDB, Elasticsearch/OpenSearch, Redis, Apache Kafka, Apache Airflow.
Leadership & Delivery
Team lead, sprint planning, Jira, mentoring, database and API design, production monitoring, Agile ceremonies.
Education
2010 BSc Information Technology, Public University
Professional Experience
Senior Software Engineer @ Major Food & Grocery Delivery Platform
Jan 2022 to Present
  • Core engineer on groceries platform: PostgreSQL schema design, FastAPI services, ZMQ messaging, and microservice integration on Kubernetes.
  • Delivered third-party integrations and new features; production releases and monitoring in Agile environment.
Technologies: AWS (Redis, Elasticsearch, Lambda, SQS, SNS, DynamoDB, Kafka), Python, FastAPI, Tornado, PostgreSQL, Kubernetes.
Senior Software Developer & Team Lead @ Brand Analytics Startup
Jul 2019 to Dec 2021
  • Led a team of three; built brand-awareness backend using text-matching algorithms and survey integrations via Kafka-backed Python APIs.
  • Owned database planning and API integration with external first-party data providers; sprint planning, releases, and mentoring.
Senior Developer & Team Lead @ Cloud Consulting Firm
Sep 2018 to Jun 2019
  • Promoted to senior/team lead within nine months; ETL extraction and transformation on GCP with Airflow and Kubernetes for enterprise media client.
Intermediate Software Developer @ Fibre Telecoms Automation Company
Jan 2018 to Aug 2018
  • Ruby API development, Ansible/GitLab CI DevOps, ELK monitoring for fibre ONT configuration automation; MS SQL stored procedures.
Junior Software Developer @ Retail Software Vendor
Jun 2016 to Dec 2017
  • Stock management and POS systems in C#, C++, Python, and embedded tooling; PostgreSQL data work and production deployments.
IT Professional / Developer @ Cosmetics Company & IVR Solutions Provider
2010 to 2016
  • Linux administration, PostgreSQL/MySQL/SQL Server operations, Ruby on Rails municipal web apps, and IVR system enhancements.