Bogdan Vaduva

Jan 2026 — Present · Remote

• ▶Leading the cloud engineering team, setting technical direction for serverless systems built on AWS Lambda, DynamoDB, EventBridge, and SQS.
• ▶Driving architecture decisions across the full stack — from backend data pipelines to client-facing APIs consumed by web and mobile applications.
• ▶Owning infrastructure-as-code strategy using AWS CDK (TypeScript), enabling repeatable, auditable deployments across environments.
• ▶Mentoring engineers and coordinating cross-functional delivery with product and clinical teams.

Jan 2022 — Jan 2026 · Remote

• ▶Designed and built scalable serverless architectures on AWS, handling medical-grade data ingestion, transformation, and storage.
• ▶Developed Python backends following clean code principles — Lambda functions, API Gateway integrations, and event-driven consumers.
• ▶Built and maintained AWS CDK (TypeScript) infrastructure stacks covering the full deployment lifecycle.
• ▶Implemented event-driven patterns (EventBridge, SQS) to decouple services and improve system resilience.
• ▶Recruited, onboarded, and mentored new engineers; contributed to shaping engineering culture.

Sep 2020 — May 2022 · Bucharest, Romania

• ▶Co-founded and led the technical strategy for an AI-focused startup from zero to working product.
• ▶Built the full-stack platform using Python (backend) and Vue.js (frontend) — owning both server and client layers.
• ▶Designed system architecture with scalability in mind, managing the full delivery lifecycle from whiteboard to production.
• ▶Led a small engineering team, setting coding standards, reviewing code, and managing project timelines.

Apr 2021 — Jan 2022 · Bucharest, Romania

• ▶Developed microservice backends in Python powering mobile application features.
• ▶Automated cloud infrastructure provisioning with AWS CDK, reducing manual configuration overhead.
• ▶Implemented authentication and user management services with a focus on security best practices.
• ▶Worked in an Agile team delivering features across two-week sprints.

Aug 2020 — May 2021 · Bucharest, Romania

• ▶Developed and maintained internal APIs consumed by multiple downstream systems.
• ▶Led a Python 2 → Python 3 migration, modernising a legacy codebase with zero downtime.
• ▶Raised unit test coverage to 90%, significantly improving release confidence.
• ▶Improved software architecture and SCRUM processes within the team.

Feb 2020 — Jun 2020 · Bucharest, Romania

• ▶Built a machine learning recommendation engine using Keras and scikit-learn.
• ▶Developed and managed ETL processes for ingesting and transforming marketing data.
• ▶Created a marketing analytics application to surface actionable insights from processed data.

Jul 2019 — Feb 2020 · Bucharest, Romania

• ▶Built an email classification system combining text and image processing using Python and Keras/TensorFlow.
• ▶Developed a Facebook Messenger financial chatbot handling real-time queries and NLP intent recognition.
• ▶Integrated cloud services across AWS, Azure, and Firebase for multi-platform deployments.
• ▶Worked across the stack using Python, JavaScript, and C#.

Jul 2018 — Jun 2019 · Bucharest, Romania

• ▶Wrote Python workflow automation scripts to streamline repetitive engineering tasks.
• ▶Developed C library functions and implemented unit tests to maintain code quality.
• ▶Worked with Git/GitLab, Jenkins CI/CD, and Jira for version control and project management.

Jun 2018 — Jun 2019 · Bucharest, Romania

• ▶Designed coursework for local network technology modules.
• ▶Provided technical support and assessment feedback to undergraduate students.

Feb 2019 — Apr 2019 · Remote

• ▶Created educational content covering Python, C, C#, and Java.
• ▶Designed exercises, review cards, and quizzes for learners at various skill levels.

Oct 2017 — Jan 2018 · Bucharest, Romania

• ▶Trained in cybersecurity fundamentals, penetration testing with Kali Linux and Metasploitable.
• ▶Identified and analysed vulnerabilities across target systems.

May 2016 — Dec 2016 · Bucharest, Romania

• ▶Developed questionnaire applications in C/C++.
• ▶Designed front-end interfaces using HTML, CSS, and JavaScript.
• ▶Performed SQL data analysis and validation.

Jun 2015 — May 2016 · Bucharest, Romania

• ▶Detected, reproduced, and reported bugs with clear remediation suggestions.
• ▶Wrote Python scripts for test automation and used SQL for data validation.
• ▶Tracked issues and managed test cycles using Jira.