Andrei Popovici

• Designing and building backend services for a next-generation urban transportation platform, from architecture decisions through to production deployment.
• Defined scalable API contracts and service boundaries to support real-time mobility operations across multiple cities.
• Introduced architectural patterns improving platform maintainability and reducing onboarding friction for new engineers.
• Leverage Claude as a core part of the development workflow for architecture reasoning, code generation, and review, accelerating delivery while maintaining high code quality standards.

Stack: Node.js, NestJS, TypeScript, PostgreSQL, MikroORM, Docker, Azure, REST APIs, Microservices, Claude (AI-augmented development)

• Led end-to-end integration of a Qualified Electronic Signature (QES) solution via IDnow: owned requirements gathering, technical design, and delivery, coordinating directly with the IDnow engineering team.
• Drove migration of persistence layer to TypeORM, establishing migration strategy, codebase structure, and CI/CD pipelines from scratch.
• Reduced technical debt through targeted architecture simplifications and clean code enforcement across the platform.
• Promoted AI-assisted development practices within the team, sharing tooling knowledge and workflows to improve collective productivity.

Stack: Node.js, NestJS, TypeScript, TypeORM, PostgreSQL, CI/CD, QES, IDnow, Clean Architecture

• Member of the DynamoDB SDK peer group, collaborating with AWS engineers and maintainers on the evolution of DynamoDB tooling within the AWS SDK for JavaScript ecosystem.
• Co-authored the proposal and architectural design for the migration of DynamoDB DataMapper from AWS SDK v2 to a modern, modular implementation aligned with AWS SDK v3 design principles.
• Developed proof-of-concept implementations covering schema definition, object marshalling, validation, and DynamoDB command execution using the AWS SDK v3 middleware architecture.
• Designed and implemented a benchmarking framework for measuring DynamoDB GetItem and PutItem performance across SDK versions, payload sizes, and execution environments.
• Built CloudWatch dashboards and automated monitoring infrastructure using AWS SAM, Lambda, and CloudFormation, enabling continuous performance analysis and regression detection for DynamoDB operations.

Stack: TypeScript, JavaScript, Node.js, AWS SDK v3, DynamoDB, DynamoDBDocumentClient, AWS SAM, AWS Lambda, CloudFormation, CloudWatch

• Led decomposition of a Node.js/Express monolith into a NestJS microservices architecture, improving scalability and team autonomy.
• Integrated Microsoft Copilot Declarative Agents into the trading platform by connecting the agent to internal backend services through declarative configuration files (actions/plugins), enabling natural language access to business data without custom agent code.
• Refactored core business logic during migration, maintaining full functional parity while improving testability and code clarity.

Stack: Node.js, NestJS, Express, TypeScript, OAuth2, Microsoft Graph API, Microsoft Copilot Declarative Agents, AWS (Elasticsearch, DynamoDB, Redis)

• Implemented a new business line feature aggregating data from multiple external sources, delivering it end-to-end within a single quarter.
• Significantly expanded test coverage across the existing service farm, improving reliability and reducing regression risk.
• Mentored junior engineers and conducted technical interviews for new project hires.

Stack: Node.js, Express, JavaScript, CosmosDB, Microsoft SQL, Sequelize, JWT

• Redesigned and implemented a new authentication/authorisation architecture, migrating from Authlete to AWS Cognito as the identity provider.
• Implemented CIBA (Client Initiated Backchannel Authentication) flow and integrated AWS SQS/SNS for asynchronous notification pipelines.

Stack: NestJS, TypeORM, OAuth2, JWT, CIBA, AWS (RDS, Lambda, SQS, SNS, Parameter Store, CloudWatch)

• Founded the C++ Endava Iași Community and created the first edition of the Endava C++ Internship programme from scratch.
• Designed the internship curriculum, delivered technical training sessions, conducted interviews, and selected graduates for full-time roles.

• Line manager for a newly formed Scrum team of 6 engineers; responsible for hiring, ramp-up, and day-to-day people management.
• Owned the macOS notarization process end-to-end, scripting and integrating it fully into the build system.
• Developed cross-platform features and fixes in modern C++17 and Swift for Cisco desktop applications on Windows and macOS.

Stack: C++17, Swift, Qt Framework, Python

• Served as Scrum Master for a 7-person team (6 devs + 1 QA), facilitating ceremonies and removing blockers to maintain sprint velocity.
• Defined and implemented solutions for IPVOD playback stability and IP Linear project features in the middleware layer.
• Wrote design review documents and delivered on-the-job training to team members.

Stack: C++98, Haxe, Jira, Perforce, CI/CD — Platforms: Windows, Ubuntu

• Acted as technical lead and architect for a stack of components that turned raw CAN-bus signals into data the infotainment apps could use, spanning the kernel boundary up to the application layer, owning its design decisions, risk analysis, and delivery.
• Defined software design for high-complexity modules, reviewed requirements, and drove code quality through intensive code review and mentoring.
• Participated in recruitment and was part of the department mentoring team.

Stack: C/C++, Python, CAN Bus, D-Bus, Linux API, GLib, Qt Creator, Klocwork, CI/CD

• Implemented encryption operations inside a Windows disk filter driver, including a boot-loader recovery tool for critical encryption failures.
• Built the GUI-to-driver communication API.
• Developed a plugin architecture for the main application (FTP client, registry browser, and others).
• Designed and implemented a MySQL data layer for metrics and statistics using Hibernate (HQL, Criteria Queries), including master/slave replication design.

Stack: C, C++, Java, Hibernate, MySQL, WinDbg, WinHex, IOCTL, Windows Driver Kit, TestNG