About Hamza
I’m Hamza, a Senior Software Engineer with 9+ years of experience building scalable backend systems and cloud-native platforms in Berlin.
I’ve worked at fast-growing tech companies like Sennder Technologies, SmartRecruiters, and Jobpal, delivering production-grade solutions across logistics, HR tech, healthcare, and conversational AI.
What I bring to your project:
• Backend & API Engineering — Python (FastAPI), TypeScript (Fastify), Node.js, Java
• Cloud & Infrastructure — AWS, Azure, Docker, Kubernetes, Kafka, Redis
• Observability — Datadog, Prometheus, Grafana, structured logging & tracing
• AI & NLP — Chatbot systems, spaCy, NLTK, NLP-powered products
• Data — PostgreSQL, MongoDB, Snowflake, TDD & data-driven development
• Leadership — Mentoring developers, knowledge-sharing, system architecture
Industries: Logistics · HR Tech · Healthcare · Conversational AI · IoT
Languages: English (Fluent) · French (Fluent) · German (B1)
I jump in quickly, write clean code, and care about reliability — not just shipping fast.
📩 Let’s talk about your project!
English
Native or bilingual
French
Native or bilingual
German
Fluent
Arabic
Native or bilingual
Can work on-site
Berlin (up to 50km)
Experience
- Sennder Technologies GmbH,Senior Software EngineerNovember 2022 - Today (3 years and 8 months)Berlin, GermanyAs a senior software engineer, I have been working on:• ● Signup, authorization and authentication services of Carriers.• ● Onboarding service of new carriers where they get to upload their documents and personal information.• ● Implemented Kafka data consumers and publishers.• ● Data driven approach when implementing features and writing TDDs.• ● Improved our tracing capabilities and reduced issues resolving time by implementing request-id and correlation-id and injecting them to the logs.• ● Created monitoring process for the team on datadog and Opsgenie.• ● Tech stack: Typescript, Fastify, jest, VueJs, python, FastApi, pytest, Snowflake, postgres SQL, kafka, Redis...
- SmartRecruiters GmbH,Senior Software EngineerFebruary 2021 - October 2022 (1 year and 8 months)Berlin, GermanyAs a senior software engineer, I have been working on:• ● Fully responsible for SmartPal product, including chatbot system and analytics solution.• ● Working with AI product (NLP, spacy, NLTK)• ● System architecture, introduced distributed lock design.• ● Created a monitoring system using Prometheus and Grafana.• ● Mentoring junior developers, and conducting knowledge sharing sessions.• ● Tech stack : Python, Java, AWS, Mongodb, Kubernetes, Redis, unittests, pytests...
- Swarco GmbH,System EngineerFebruary 2020 - January 2021 (11 months)Berlin, GermanyAs a system engineer, I have been working on:• ● Designed and implemented a custom monitoring application.• ● Automated Azure deployments of the company product using ansible.• ● Implemented VPN/DNS solutions to safely connect traffic light devices to the system.• ● Mentoring junior developers.• ● Tech stack : Python, Mongodb, Azure, OpenVpn, Linux, Networking
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Education
- EngineeringNational Engineering School of Sfax2017Engineering
- Entrance qualification to engineering studiesPreparatory Institute for Engineering Studies of Monastir2013Entrance qualification to engineering studies