Adam Djellouli

I build reliable, observable platforms and performance-minded APIs that turn messy data into dependable, scalable services.

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Experience

Software Engineer

Deutsche Bank
Mar 2023 – Present · Berlin, Germany 🇩🇪

Introduced Kafka to decouple services and enable reliable, low-latency data distribution.
Established end-to-end observability with Prometheus/Grafana for proactive incident prevention.
Designed FastAPI services and internal REST contracts focused on throughput and clarity.
Delivered multi-source data serving with deduplication and cleaning for consistent system views.
Owned MariaDB operations; added SQLite fast-paths to balance cold-start vs. steady-state latency.
Leveraged OpenStack Swift for resilient object storage within distributed data pipelines.

Software Engineer

NAVASTO GmbH
Dec 2020 – Mar 2023 · Berlin, Germany 🇩🇪

Built NavDM backend (Python) powering ML-driven CFD prediction and morphing workflows.
Advanced NAVPACK with SVD/EVD-based reduced-order models to accelerate inference and iteration.
Hardened CI/CD (TeamCity) with automated multi-stage pipelines and release quality gates.
Handled diverse CFD formats (OpenFOAM, VTK, Fluent, LS-DYNA, STL, HDFS) across data lifecycles.
Drove end-to-end delivery: design, implementation, release, and operational support.

Software Engineer

Papyrus Author
May 2020 – Nov 2020 · Berlin, Germany 🇩🇪

Modernized a legacy C/C++ database engine with safer memory patterns and robust tests.
Created gtest-based coverage to unlock safer refactors and performance tuning.
Developed Qt UI (MVC) to streamline CRUD workflows and power-user ergonomics.

Freelance Web Developer

Upwork
Jan 2016 – Mar 2023 · Global 🌍

Led discovery and scoping to translate business goals into clear, testable specs.
Delivered responsive, accessible UIs with modern HTML/CSS/JavaScript.
Deployed via Netlify/GitHub with performance tuning and cross-browser support.

Content Creator

YouTube
2016 – Present · Global 🌍

Produced long-form tutorials on Python, backend design, and Linux fundamentals.
Explained ML algorithms and math intuition with practical, open-source demos.
Grew an engaged community through clarity, consistency, and real-world examples.

Working Student — Content Writer

InstaKod Sp. z o.o.
Jan 2018 – Feb 2020 · Warsaw, Poland 🇵🇱

Authored tutorials and guides on programming and technology for broad audiences.
Created hands-on workshop materials for live training sessions.
Analyzed traffic and iterated content strategy to improve engagement.
Automated data workflows in Python to boost team efficiency.

Information Technology Intern

Selgros Sp. z o.o.
Summer 2017 · Poznań, Poland 🇵🇱

Automated admin tasks with PowerShell (data migration, user management).
Built T-SQL analyses for discount strategies and competitor benchmarking.
Gained hands-on networking and server administration experience.

Core Skills

Strengths across backend engineering, data platforms, and production operations.

Programming & Frameworks

Python

FastAPI

Flask

JavaScript

React

Qt

Data, Messaging & Databases

Kafka

MariaDB

PostgreSQL

SQLite

MongoDB

DevOps & Observability

Linux

Bash

Docker

Prometheus

Grafana

OpenStack Swift

Professional Summary

Backend engineer with strong CS fundamentals and a bias for clarity, reliability, and practical scalability. I thrive on shaping data into clean contracts, building observable services, and simplifying distributed systems for real-world teams.

Hands-on with distributed messaging, data pipelines, and performance-oriented APIs.
Comfortable across Linux, containers, CI/CD, and production observability.
Experienced from greenfield builds to legacy modernization.
Communicative collaborator who values ownership, iteration speed, and user impact.
Committed to documentation, testability, and measurable operational excellence.