Ionut-Cătălin
Milica

S&P Global:

• Delivered backend and frontend features for Script Insight.
• Stabilized the Electron app by redesigning the event model and storage, improving responsiveness and crash resilience.
• Enabled predictable delivery timelines by retiring technical debt and driving automation and continuous delivery practices.
• Designed secure, scalable infrastructure with Infrastructure as Code.
• Designed production checklist & disaster recovery strategies and tools.

• Node.js
• TypeScript
• React
• Electron
• PostgreSQL
• AWS
• Terraform
• Gitlab Pipelines

Pearson:

• Built microservices for catalog, scheduling, assessment engine, and results; standardized config, infra constructs, logging, and tracing to reduce boilerplate across teams.
• Built ETL pipelines for analytics, audit logging, and data anonymization.
• Implemented one-click CI/CD and fully automated infrastructure with IaC.
• Mentored engineers through reviews, pairing, and scoped growth plans.

• Node.Js
• TypeScript
• React
• PostgreSQL
• AWS Services
• ElasticSearch

CloudFactory:

• Shipped auth, media, and dynamic profile services; owned UI, APIs, models, tests, rollout.
• Built secure media pipeline with AV scanning, resizing, and metadata extraction.
• Wrote CloudFormation stacks and CI/CD to provision and deploy across environments.
• Served on the architecture steering group to set standards and policies.

• Go
• Node.Js
• TypeScript
• React
• PostgreSQL
• AWS Services
• Docker

SessionM:

• Built backend services and APIs for loyalty cards and product offers.
• Reduced bugs and sped up delivery by simulating First Data card flows and error cases with a mock payment processor, improving integration and testing.
• Built a custom Go client for First Data's payment gateway.

• Go
• MySQL
• Microservices
• Docker
• Jenkins

Educate:

• Designed and built a Spring Boot REST API for content catalog, search, and role-based access.
• Implemented a React UI for the learning portal.
• Created a reusable component library aligned to the design system.
• Mentored summer interns through scoped tickets, code reviews, and pairing.

• Java
• Spring Boot
• JPA
• MySQL
• Javascript
• TypeScript
• React
• Redux
• Redux-Saga

Getsidecar:

• Shipped features and fixes across the analytics dashboard stack: UI, API, and data warehouse.
• Designed and delivered ETL pipelines with Apache NiFi and Go services for reliable ingestion and processing of commerce data.
• Extended Apache NiFi cluster with custom Java extensions to improve Amazon Redshift integration.
• Migrated over 20B rows of data from multiple MySQL instances into Amazon Redshift.
• Provisioned backend and UI services with Ansible for consistent, one-click deploys.

• Go
• Node.js
• TypeScript
• React
• MySQL
• Java
• Kubernetes
• AWS (Redshift, SQS, S3, Lambda)
• Ansible
• Apache NiFi

As a freelancer I've built web applications, services, crawlers, or I have extended and maintained existing applications.

• Smile Media - Developed a viral self-hostable CMS with various plugins, adaptable for niches (recipes, fitness); achieved 400+ sales.
• TinyUrl - Developed an ad platform enabling users to create short URLs and monetize redirect traffic.
• AMZ Monitor - Micro SaaS application for tracking product reviews, aiding users in monitoring their online product feedback.

Shipped my first commercial application, a presentation website for an automobile manufacturer.

• PHP
• Javascript
• MySQL