About
Hi, I’m Arina! I’m a software engineer passionate about building creative, efficient, and scalable solutions that make a real impact. I earned my Computer Science degree from the University of Toronto and currently work as a backend engineer at PayFare/Fiserv, where I develop and maintain multiple microservices and user-facing products. Over the past few years, I’ve created software solutions for data teams with a strong focus on backend and full-stack development using technologies like Python, FastAPI, Flask, RabbitMQ, Redis, MySQL, Redshift, React, TypeScript, SQL, Docker, Kubernetes, AWS, and Google Cloud.
Outside of programming, I'm interested in psychology, AI, and photography. I enjoy learning new things and am always looking for ways to connect ideas from different fields. When I'm not coding, I'm reading, focused on fitness, spending time outdoors, or with loved ones.
Experience
PayFare/Fiserv
Software Engineer, Backend
Sep 2025 - Present
- Member of the backend team, responsible for building and maintaining the backend services for the PayFare platform
theScore
Software Engineer, Data Platforms
Jun 2023 - Sep 2024
- Built, deployed, and maintained APIs, web apps, and internal tools for data processing and operational workflows
- Developed a stream transformation monitoring system to track pipeline health across key metrics and trigger real-time alerts for issues, significantly improving observability and incident response
- Designed and implemented report generation and fulfillment microservice to automatically generate and send reports to various stakeholders based on specific criteria, with the ability to scale as the business grows
- Created and executed MVP roadmaps to deliver reliable, scalable systems aligned with evolving business needs
- Led core service migration from Redshift to BigQuery, improving performance, cost efficiency, and scalability
- Conducted a POC for streaming technologies (Spark, Flink), providing actionable insights to optimize real-time data processing and scalability
- Managed on-call shifts to ensure system uptime and reliability
theScore
Software Engineer Intern, Data Platforms
Sep 2021 - May 2023
- Independently led end-to-end development of a widely used internal web application for data teams, building full-stack features from frontend UI components to backend APIs and database integration
- Migrated legacy SQL queries to SQLAlchemy ORM models, improving code maintainability and enabling faster iteration for new features
- Automated recurring data ingestion and processing workflows using Apache Airflow, reducing manual effort and supporting timely reporting for analysts
- Integrated notification features into internal tools, enabling real-time alerts to PagerDuty, Slack, and email based on failure severity levels, improving incident response time and system reliability
- Contributed to database management, data validation, and task scheduling, helping ensure the reliability and consistency of internal data systems
University of Toronto
Teaching Assistant
Jan 2020 - May 2023
- Led tutorials and graded assignments to support 20+ students, fostering analytical thinking and problem solving skills in mathematics and computer science
Public Services and Procurement Canada
Web Developer Intern
May - Dec 2019
- Updated web content per client requests, ensuring accessibility standards
- Proposed and developed a Python script to automate annual web maintenance by extracting and updating data from CSV/PDF files, greatly reducing manual workload
Skills
Languages
Frameworks & Libraries
Databases & Data Tools
DevOps & Tools
Projects
LyriChord.js
VanillaJS library for displaying lyrics with guitar chords in a simple, readable format on the DOM
Education
University of Toronto
Honours BSc in Computer Science (Comprehensive Stream Specialization) with Co-op
2018 - 2023
- Awards: UofT Scholar, UofT Grants
- Dean's List
Contact
arinamomajjed@gmail.com
Location
Toronto, Canada
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