Jan Beckert - API-Engineer

Q: Where is Jan based?

Jan is based in Leipzig, Germany .

Q: What languages does Jan speak?

Jan speaks the following languages: English (Advanced), German (Intermediate) .

Q: How many years of experience does Jan have?

Jan has at least 4 years of experience. During this time, Jan has worked in at least 8 different roles and for 3 different companies . The average length of individual experience is 1 year and 6 months . Note that Jan may not have shared all experience and actually has more experience.

Q: What is Jan's latest experience?

Jan's most recent position is API-Engineer at Freelance .

Q: What companies has Jan worked for in recent years?

In recent years, Jan has worked for Freelance and ScaDS.AI Dresden/Leipzig .

Q: Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT) , Healthcare , and Professional Services . Jan also has some experience in Utility Services and Energy .

Q: Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Product Development , Information Technology (IT) , and Research and Development (R&D) .

Q: What is Jan's education?

Jan holds a Master in Data Science .

Q: Does Jan have any certificates?

Jan has 1 certificate : ASQF® Certified Professional For Project Management - Foundation Level .

Recommended expert

Leipzig, Germany

Experience

Jan 2022 - Jan 2023

1 year 1 month

API-Engineer

Freelance

API-first product design (OpenAPI 3, HAL) and development (NodeJS)
Setting up DevOps pipelines with GitHub Actions in an AWS architecture
Technologies: OpenAPI 3, REST, HAL, NodeJS, JavaScript, TypeScript, AWS, AWS Lambda, Docker, GitHub Actions

Jan 2022 - Jan 2023

1 year 1 month

Software Developer, Consultant

Freelance

Building a software architecture for a knowledge management SaaS
Designing an event sourcing-based data structure
Designing and implementing a data structure for highly connected graph data
Developing a serialization tool for graph data
Implementing backend/API
Documentation using the C4 Model
Technologies: REST, CQRS, Event Sourcing, Event-driven Architecture, Laravel, GitLab CI/CD, JSON-API, Stoplight Studio, SQL, Docker, C4 Model

Sep 2021 - Oct 2021

2 months

Consultant

Freelance

Comparing distributed ledger/blockchain technologies
Designing business processes and integrating them into distributed ledger technology using BPMN
Designing a system architecture
Technology: BPMN

Sep 2021 - Aug 2021

Senior Software Developer, Consultant

Freelance

Creating a web-based platform for mapping workflows on touchscreen terminals in manufacturing for an ERP software vendor
Reducing maintenance and training effort through simplified integration of SQL-driven logic
Training developers and ERP project managers
Ongoing support as needed
Technologies: SQL/T-SQL, Microsoft SQL Server, React, NodeJS, REST, JSON, JSON Schema, YAML

Nov 2020 - Sep 2022

1 year 11 months

Germany

Research Assistant

ScaDS.AI Dresden/Leipzig

Designing and developing a toolkit for preprocessing MRI data (denoising, bias field correction)
Diagnosing COVID-19 from lung X-ray images with a focus on explainable AI (Explainable AI / XAI)
Technologies: CNNs, deep learning, LIME, GradCAM, Python, TensorFlow/Keras

Jul 2020 - Aug 2020

2 months

Software Developer

Freelance

Integration of public EV charging stations and collection of charging data into Apache Kafka as an ETL pipeline
Technologies: Apache Kafka, Python, REST, OCPP

Jan 2020 - Jun 2020

6 months

Business Analyst, Consultant

Freelance

Coordination with relevant stakeholders
Drafting user stories
Setting up a scoring scheme to describe non-functional aspects
Setting up a scoring scheme for technology selection

Apr 2019 - May 2019

2 months

Software Developer, Consultant

Freelance

Developing a prototype for green power–based control of a smart plug
Designing and developing a smart contract for the Ethereum blockchain
Technologies: Solidity, NodeJS, Python

Feb 2018 - Sep 2019

1 year 8 months

Germany

Junior Linked Data Consultant

eccenca GmbH

Creating a SHACL definition for UI generation for a SKOS editor
Evaluating Stardog's Virtual Graph feature with R2RML mappings for relational databases
Developing software to extract measurement and metadata from legacy systems as part of an ETL pipeline
Developing software to generate measurement reports from RDF data
Technologies: RDF, Java, Python, Jira, SHACL, SPARQL, Jekyll-RDF, SKOS, Stardog, R2RML, RDF/JSON, Triplestore

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (3 years), Healthcare (2 years), and Professional Services (0.5 years).

Information Technology

Healthcare

Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (3 years), Product Development (3 years), and Research and Development (2 years).

Information Technology

Product Development

Research and Development

Summary

I am a versatile freelance developer and consultant with a focus on API design and implementation. With experience in designing SaaS products, system architectures, and developing prototypes for innovative solutions, I bring a wide range of skills to technically demanding projects. My expertise spans API design and development, event-driven architecture, CQRS, ETL pipelines, cloud architectures, and more.

In the past, I worked as a Junior Linked Data Consultant, focusing on semantic technologies and RDF. I also worked as a Research Assistant at a German AI center, where I focused on developing a toolkit for preprocessing MRI data and applying deep learning techniques to diagnose COVID-19 from X-ray images. This was part of my Master's studies in Data Science.

Skills

Software Architecture/development
Api Design And Implementation
Designing And Developing Etl Pipelines
Event-driven Architecture
Cloud Architectures, Especially Aws

Languages

English

Advanced

German

Intermediate

Education

Master's degree · Data Science

Certifications & licenses

ASQF® Certified Professional For Project Management - Foundation Level

iSQI Group

Profile

Created

August 2023

Last Update

November 2024

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jan based?

Jan is based in Leipzig, Germany.

What languages does Jan speak?

Jan speaks the following languages: English (Advanced), German (Intermediate).

How many years of experience does Jan have?

Jan has at least 4 years of experience. During this time, Jan has worked in at least 8 different roles and for 3 different companies. The average length of individual experience is 1 year and 6 months. Note that Jan may not have shared all experience and actually has more experience.

What roles would Jan be best suited for?

Based on recent experience, Jan would be well-suited for roles such as: API-Engineer, Software Developer, Consultant, Consultant.

What is Jan's latest experience?

Jan's most recent position is API-Engineer at Freelance.

What companies has Jan worked for in recent years?

In recent years, Jan has worked for Freelance and ScaDS.AI Dresden/Leipzig.

Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT), Healthcare, and Professional Services. Jan also has some experience in Utility Services and Energy.