29.10.2026 aktualisiert

**** ******** ****
100 % verfügbar

Data Layer Engineer | Untangling data layer bottlenecks to build systems that scale.

Berlin, Deutschland
Nur Remote
Abgeschlossene Berufsausbildung
Berlin, Deutschland
Nur Remote
Abgeschlossene Berufsausbildung

Profilanlagen

Bienko, Sebastian - CV.pdf

Über mich

Senior Backend & Database Engineer helping companies build, scale, and optimize mission-critical data infrastructure. I combine deep expertise in distributed database architecture with modern microservices and pipeline orchestration to deliver lean, performant systems.

Skills

RAGJavaScriptC#Data ArchitecturePythonMongoDBNode.jsNoSQLGolang
Operational & Analytical Databases
High-concurrency storage engines, schema design, and query optimization for transactional and analytical workloads.

High-Performance Data APIs
Production-grade API patterns, REST endpoints, and microservices engineered for low-latency data access.

Workflow Automation & Data Pipelines
Production orchestration and pipeline design connecting operational systems to analytical destinations.

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2026

Sprachen

DeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Consulting Engineer

MongoDB

Internet und Informationstechnologie

5000-10.000 Mitarbeiter

  • Designed and engineered a financial-sector lakehouse architecture utilizing Trino and Apache Airflow.
  • Developed a scalable, containerized RESTful API leveraging AWS Lambda and Docker.
  • Advised enterprise clients on distributed database architecture, sharding strategies, and cluster scaling.

Tech Lead - Porsche.com

Porsche (Freelance)

Automobil und Fahrzeugbau

>10.000 Mitarbeiter

  • Led a platform team of 5 Software Engineers, 1 DevOps Engineer, and 1 QA Engineer.
  • Established deployment automation best practices reducing deployment time by about 40%.
  • Implemented scalable API interfaces and spearheaded migration from monolithic to microservices architecture.

Tech Lead - Porsche Stories

Porsche (Freelance)

Automobil und Fahrzeugbau

>10.000 Mitarbeiter

  • Led an implementation team of 3 Software Engineers and 1 DevOps Engineer to build a centralized content hub.
  • Developed two distinct content APIs and integrated a decoupled frontend, managing end-to-end backend architecture.

Build Manager - BMW Used Car Portal

Deloitte Digital

Internet und Informationstechnologie

>10.000 Mitarbeiter

  • Handled data integration and incident resolution for the BMW Used Car Portal across a globally distributed, heterogeneous tech stack.
  • Collaborated with cross-functional technical teams to manage critical incidents and drive rapid root-cause analysis.

Software Engineer

.comspace

Internet und Informationstechnologie

50-250 Mitarbeiter

  • Worked on a wide variety of client projects as a backend developer, covering all aspects of the product release cycle.
  • Developed solutions for clients including Dornbracht, Nolte Kuchen, hkk Krankenkasse, Leopold Kostal, and swb AG.

Zertifikate

ClickHouse Database Professional

ClickHouse

2026

Data Streaming Engineer - Apache Flink

Confluent

2026

DeepLearning.AI Data Engineering

DeepLearning.AI

2026

Data Storage and Queries

DeepLearning.AI

2026

Source Systems, Data Ingestion, and Pipelines

DeepLearning.AI

2026


Kontaktanfrage

Einloggen & anfragen.

Das Kontaktformular ist nur für eingeloggte Nutzer verfügbar.

RegistrierenAnmelden