Mihai Vladu

Senior Python AI Engineer

Instaffo

Aug 2025 - Oct 2025 (3 months)

🛡️ AI RTC interviewer assistant The client, a leading job platform for tech, marketing, finance and sales in Germany, was aiming to release an AI-powered interview assistant, but was struggling to build new features due to lack of technical employees. • Achieved a 100% reduction in misleading interviews, by introducing a RAG-style function tool pipeline that automatically detects and concludes completed sessions. • Ensured platform integrity, by enforcing session duration limits through validation logic and a background worker that automatically closes extended interviews. • Separated interview and feedback processes within the same environment, by leveraging function tools to orchestrate agent–user communication.

Senior Python Full-Stack Developer

Remobi

Jul 2025 - Current (1 year 4 months)

Working for Siemens Energy through Remobi ⏳ TBA

AI Engineer

Gündisch Friends Werbeagentur

Jul 2025

🛡️ AI powered assistant The client, a local digital services provider, was aiming to launch an AI-powered assistant for schools and job opportunities in their district, but they were struggling to scale the chatbot's reasoning capabilities due to limited experience with LLM integration and token constraints. • 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐩𝐫𝐨𝐦𝐩𝐭 𝐬𝐢𝐳𝐞 𝐛𝐲 𝟖𝟎%, by replacing raw data injection with RAG-style tool calls, enabling consistent multi-turn interaction without hitting model limits. • 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐝 𝐫𝐞𝐬𝐮𝐥𝐭 𝐫𝐞𝐥𝐞𝐯𝐚𝐧𝐜𝐞 𝐰𝐢𝐭𝐡 𝐚 𝐜𝐮𝐬𝐭𝐨𝐦 𝐠𝐞𝐨𝐥𝐨𝐜𝐚𝐭𝐢𝐨𝐧-𝐛𝐚𝐬𝐞𝐝 𝐬𝐜𝐨𝐫𝐢𝐧𝐠 𝐚𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦, prioritising schools and jobs by proximity to the user's location.

Senior NestJS Full-Stack Developer

Becubs

May 2025 - Dec 2025 (8 months)

🛡️ Web application for booking children’s activities The client, a start-up, aimed to connect parents with local extracurricular activities for their children, but was struggling due to a lack of technical support for their web application. • 𝗖𝘂𝘁 𝗔𝗪𝗦 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗰𝗼𝘀𝘁𝘀 𝗯𝘆 𝟱𝟬%, by moving background database tasks to a more efficient system (SQS + Lambda). This took pressure off the main servers, eliminated crashes during peak traffic, and made the app faster and more reliable for users. • 𝗣𝗹𝗮𝘆𝗲𝗱 𝗮 𝗸𝗲𝘆 𝗿𝗼𝗹𝗲 𝗶𝗻 𝗽𝗿𝗲𝗽𝗮𝗿𝗶𝗻𝗴 𝘁𝗵𝗲 𝗠𝗩𝗣 𝗳𝗼𝗿 𝗹𝗮𝘂𝗻𝗰𝗵, ensuring stability and addressing all blocking issues.

Senior Technical Lead

DacianTech

Jan 2024 - Dec 2024 (1 year)

🛡️ Web application for recording feeder fishing results and analyser for providing future recommendations. The client, passionate of feeder fishing, aimed to develop a niche fishing platform to support feeder fishing enthusiasts and improve tracking & analysis of fishing sessions. • Designed and implemented the full architecture from scratch. • Led and mentored a junior developer through all development phases: planning, coding, testing, deployment. • Supported developer growth from intern to fully employed engineer in the private sector.

Senior Python Developer

SLB

Jan 2023 - Jun 2025 (2 years 6 months)

🛡️ 3D modelling cloud application The client, a Fortune 500 leader in the oil & gas industry, was trying to extend the portfolio of clients, but was struggling due to lack of support for abstract connections with different data warehouses. • 𝐌𝐚𝐝𝐞 𝐭𝐡𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐩𝐨𝐫𝐭𝐚𝐛𝐥𝐞, by redesigning workflows to leverage an external Python integration package for connecting multiple data warehouses, eliminating direct storage dependencies and improving scalability. • 𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐞𝐧𝐞𝐝 𝐭𝐡𝐞 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐜𝐨𝐝𝐞𝐛𝐚𝐬𝐞 𝐛𝐲 𝐚𝐩𝐩𝐥𝐲𝐢𝐧𝐠 𝐛𝐞𝐬𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬, implementing code linters to ensure consistent formatting across contributors from multiple programming languages, and increasing automated test co

Senior Python Full-Stack Developer

Softelligence

Aug 2021 - Dec 2022 (1 year 5 months)

🛡️ Online E-learning platform The client, leader in the education system in the US, was aiming to connect teachers and students for taking online assignments for AP & Pre-AP programs and extend the learning process in the online world, but was unable to do so, due to lacking an online platform. • 𝗘𝗻𝘀𝘂𝗿𝗲𝗱 𝟭𝟬𝟬% 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝘀𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝗻𝗼𝘃𝗲𝗹𝘁𝘆 𝘁𝗼 𝟯𝗠+ 𝘀𝘁𝘂𝗱𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝟮𝟬𝟬𝗸+ 𝘁𝗲𝗮𝗰𝗵𝗲𝗿𝘀 𝗮𝗹𝗹 𝗼𝘃𝗲𝗿 𝗨𝗦, by decreasing the number of reported bugs and designing the new features implemented quarterly. • 𝗦𝗮𝘃𝗲𝗱 𝘂𝗽 𝘁𝗼 𝟱𝟬% 𝗼𝗳 𝘁𝗵𝗲 𝘁𝗶𝗺𝗲 𝘁𝗲𝗮𝗰𝗵𝗲𝗿𝘀 𝘄𝗲𝗿𝗲 𝘀𝗽𝗲𝗻𝗱𝗶𝗻𝗴 𝗶𝗻 𝗳𝗶𝗻𝗱𝗶𝗻𝗴 𝗰𝗼𝗿𝗿𝗲𝗰𝘁 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀, by designing a smart solution of indexing

Senior Python Developer (Mentor)

The Informal School of IT

Feb 2020 - Current (6 years 9 months)

🛡️ Python mentoring The client, providing IT courses for non-technical people, was aiming to help clients acquire Junior positions at IT companies and to develop a partnership with Google regarding Google Digital Garage, but was struggling to do so, due to lacking mentors. • 𝗛𝗲𝗹𝗽𝗲𝗱 𝟱𝟬% 𝗼𝗳 𝘁𝗵𝗲 𝗮𝘁𝘁𝗲𝗻𝗱𝗲𝗲𝘀 𝘁𝗼 𝗺𝗮𝗸𝗲 𝗮 𝗰𝗵𝗮𝗻𝗴𝗲 𝗶𝗻 𝘁𝗵𝗲𝗶𝗿 𝗰𝗮𝗿𝗲𝗲𝗿𝘀, by using a highly-intuitive framework to get them from the basics of programming to designing an application exposed to a web interface using Python. • 𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗺𝗲𝗻𝘁𝗼𝗿𝗲𝗱 𝗮𝗻𝗱 𝗵𝗲𝗹𝗽𝗲𝗱 𝘂𝗽 𝘁𝗼 𝟰𝟬 𝘀𝘁𝘂𝗱𝗲𝗻𝘁𝘀 𝗳𝗿𝗼𝗺 𝗥𝗼𝗺𝗮𝗻𝗶𝗮𝗻 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝘂𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝗶𝗲𝘀 𝘁𝗼 𝗴𝗲𝘁 𝗮 𝗵𝗶𝗴𝗵 𝗼𝘃𝗲𝗿𝘃𝗶𝗲𝘄 𝗼𝗳

Senior Python Developer (Mentor)

The Informal School of IT

Feb 2020 - Jun 2023 (3 years 5 months)

🛡️ Python mentoring The client, providing IT courses for non-technical people, was aiming to help clients acquire Junior positions at IT companies and to develop a partnership with Google regarding Google Digital Garage, but was struggling to do so, due to lacking mentors. • 𝗛𝗲𝗹𝗽𝗲𝗱 𝟱𝟬% 𝗼𝗳 𝘁𝗵𝗲 𝗮𝘁𝘁𝗲𝗻𝗱𝗲𝗲𝘀 𝘁𝗼 𝗺𝗮𝗸𝗲 𝗮 𝗰𝗵𝗮𝗻𝗴𝗲 𝗶𝗻 𝘁𝗵𝗲𝗶𝗿 𝗰𝗮𝗿𝗲𝗲𝗿𝘀, by using a highly-intuitive framework to get them from the basics of programming to designing an application exposed to a web interface using Python. • 𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗺𝗲𝗻𝘁𝗼𝗿𝗲𝗱 𝗮𝗻𝗱 𝗵𝗲𝗹𝗽𝗲𝗱 𝘂𝗽 𝘁𝗼 𝟰𝟬 𝘀𝘁𝘂𝗱𝗲𝗻𝘁𝘀 𝗳𝗿𝗼𝗺 𝗥𝗼𝗺𝗮𝗻𝗶𝗮𝗻 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝘂𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝗶𝗲𝘀 𝘁𝗼 𝗴𝗲𝘁 𝗮 𝗵𝗶𝗴𝗵 𝗼𝘃𝗲𝗿𝘃𝗶𝗲𝘄 𝗼𝗳

Senior React Full-Stack Developer

Softelligence Romania

Sep 2017 - Jul 2021 (3 years 11 months)

🛡️ Online E-learning platform The client, leader in the education system in the US, was aiming to connect teachers and students for taking online assignments for AP & Pre-AP programs and extend the learning process in the online world, but was unable to do so, due to lacking an online platform. • 𝗘𝗻𝘀𝘂𝗿𝗲𝗱 𝟭𝟬𝟬% 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝘀𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝗻𝗼𝘃𝗲𝗹𝘁𝘆 𝘁𝗼 𝟯𝗠+ 𝘀𝘁𝘂𝗱𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝟮𝟬𝟬𝗸+ 𝘁𝗲𝗮𝗰𝗵𝗲𝗿𝘀 𝗮𝗹𝗹 𝗼𝘃𝗲𝗿 𝗨𝗦, by decreasing the number of reported bugs and designing the new features implemented quarterly. • 𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗮 𝗳𝘂𝗹𝗹𝘆 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝗶𝗻 𝗼𝗻𝗹𝘆 𝟯𝟬 𝗱𝗮𝘆𝘀, by designing a way for teachers to provide recorded courses to

T

PHP Full-Stack Developer

TinyTech

Aug 2015 - Aug 2017 (2 years 1 month)

🛡️ Web applications The clients, active in a vast variety of industries, were struggling to offer their products and ideas to customers in an optimised manner, due to lacking web apps and platforms. • 𝗜𝗻𝗰𝗿𝗲𝗮𝘀𝗲𝗱 𝗿𝗲𝘃𝗲𝗻𝘂𝗲 𝗮𝗻𝗱 𝗰𝗹𝗶𝗲𝗻𝘁𝘀’ 𝗰𝗮𝗽𝗶𝘁𝗮𝗹 𝗯𝘆 𝘂𝗽 𝘁𝗼 𝟮𝟬%, by designing custom-oriented applications served through a web interface by in-depth researching client requirements and transferring them into database, API and user interface implementation.

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Mihai Vladu

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