# Anum Siddiqui

> Elixir Software Engineer

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/anum

Full stack web developer with a passion for creativity and thinking outside of the box in the world of web. Designing and building distributed, fault-tolerant, scalable software solutions. Applying functional programming techniques and cloud-based technologies from concept and prototype stage to full-scale production. Current experience include but not limited to are Elixir, Phoenix, Ruby on Rails, JavaScript, React and Redux, HTML, CSS, and SQL. I bring strong skills in critical thinking, team-building and project management that helps companies design and build outstanding consumer products.

## Work Experience
### Software Engineer ll @ Cars.com
Jan 2021 – Jan 2025
Architect, design, and develop Elixir and Phoenix backend services using Ecto, PostgreSQL, and
Postgrex.Notifications to power dealer and customer workflows, including digital financing, vehicle
search, and inventory operations.
Build fault-tolerant Elixir systems leveraging BEAM/OTP, GenServer, supervision trees, and
message passing with PubSub to handle high concurrency and long-running processes reliably.
Develop Phoenix LiveView features styled with Tailwind CSS, enabling real-time dashboards backed
by Elixir PubSub and PostgreSQL.
Implement background processing and scheduling using Oban with PostgreSQL-backed job
queues across multiple Elixir applications.
Design and maintain RESTful APIs in Elixir/Phoenix, applying pattern matching, Ecto schemas,
validations, and versioning to ensure consistency and reliability.
Integrate Kafka-based event streams into Elixir services, consuming and producing messages to
support asynchronous workflows and system decoupling.
Build ingestion pipelines and serverless workflows using AWS Lambda, S3, and Elixir services for
automated data processing.
Improve service communication using HTTP clients (Tesla, Finch) and JSON-based contracts
between Elixir microservices.
Enhance observability for Elixir applications with Datadog and Splunk, monitoring OTP processes,
background jobs, and AWS-hosted infrastructure.
Participate in on-call rotations supporting Elixir, PostgreSQL, Kafka, and AWS systems, driving
incident resolution and long-term reliability improvements.
Mentor engineers in Elixir, OTP, Ecto, Phoenix, and distributed system best practices.

### Software Engineer @ BlockFi
Jan 2020 – Jan 2021 | New York, New York, United States
Built and maintained Elixir and Phoenix services for cryptocurrency trading and lending platforms
using PostgreSQL, Ecto, and AWS-hosted infrastructure.
Designed Elixir-based REST APIs leveraging pattern matching, Ecto.Multi, and transactional
PostgreSQL workflows.
Integrated third-party financial and blockchain services using Tesla, Finch, and JSON payloads across
Elixir applications.
Implemented background jobs with Oban and asynchronous workflows using OTP and PubSub.
Optimized Elixir, Ecto, and PostgreSQL performance, reducing query latency and improving
throughput by ~25%.
Improved test coverage and reliability using ExUnit, Mimic, and property-based testing techniques.
Supported CI/CD pipelines and production deployments for Elixir services running on AWS.

### Software Engineer @ SimpleBet
Jan 2018 – Jan 2020 | Greater New York City Area
Architected and implemented Elixir and Phoenix microservices backed by PostgreSQL and Ecto
for a real-time sports betting platform.
Built low-latency Elixir PubSub systems using OTP message passing to broadcast odds and game
state updates.
Consumed high-throughput Kafka event streams in Elixir, processing and persisting data using
PostgreSQL-backed pipelines.
Engineered pricing and market-generation services using Elixir concurrency, GenServer, and
supervision trees.
Integrated external sports data providers using Tesla, Finch, and JSON APIs.
Performed load testing and performance tuning across Elixir, OTP, PostgreSQL, and AWS
infrastructure.
Improved system observability with structured logging, metrics, and alerting for Elixir services.


## Education
### Computer Software Engineering
Flatiron School
Jan 2018 – Jan 2018

### Bachelor's degree in Biology, General
Columbia University
Jan 2013 – Jan 2017


## Contact & Social
- LinkedIn: https://linkedin.com/in/anum-siddiqui
- GitHub: https://github.com/anumsid
- Website: https://medium.com/@asiddiqui0692

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Source: https://flows.cv/anum
JSON Resume: https://flows.cv/anum/resume.json
Last updated: 2026-03-23