Nils Schneider - Backend system and web client for exchanging electricity meters for utility providers

Q: Where is Nils based?

Nils is based in Heiligenhaus, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Nils speak?

Nils speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Nils have?

Nils has at least 10 years of experience. During this time, Nils has worked in at least 13 different roles and for 1 company . The average length of individual experience is 1 year and 9 months . Note that Nils may not have shared all experience and actually has more experience.

Q: What is Nils's latest experience?

Nils's most recent position is Backend system and web client for exchanging electricity meters for utility providers at Freelance .

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

In recent years, Nils has worked for Freelance .

Q: Which industries is Nils most experienced in?

Nils is most experienced in industries like Information Technology , Manufacturing , and Utilities . Nils also has some experience in Automotive , Government and Administration , and Education .

Q: Which business areas is Nils most experienced in?

Nils is most experienced in business areas like Information Technology , Product Development , and Operations .

Q: Which industries has Nils worked in recently?

Nils has recently worked in industries like Information Technology , Manufacturing , and Utilities .

Q: Which business areas has Nils worked in recently?

Nils has recently worked in business areas like Information Technology , Product Development , and Operations .

Recommended expert

Heiligenhaus, Germany

Experience

Jan 2025 - Present

1 year 3 months

Backend system and web client for exchanging electricity meters for utility providers

Freelance

Design and implementation of a system to control the entire process for new, removal, and exchange operations of electricity meters by external service providers for a utility company
Automated retrieval of orders and available devices via defined interfaces (e.g. from SAP)
Orchestration of process steps (assigning meters, processing meter data, sending updated information back to the source system) using a Spring Boot backend
Provision of a React-based web client for operational tracking and control of orders, e.g. to continue failed process steps or resend notifications

Sep 2024 - Mar 2025

7 months

Backend system for a platform for solidarity-based funding of class trips

Freelance

Developed a platform for transparent and socially tiered contribution management for class trips
Teachers inform parents about planned trips including cost details and invite them to contribute
Families set their contribution based on individual means; higher contributions from financially stronger participants offset lower contributions of others
Multi-round contribution determination process until total costs are covered and automated notification of parents about the final amount to transfer
Implemented the backend in Go with API key and JSON Web Token authentication and PostgreSQL persistence

Jul 2024 - Jan 2025

7 months

Local backend system for a boat overview

Freelance

Designed and implemented a Go-based backend to provide system data from an Ubuntu-based onboard computer
Forwarding multiple camera streams for a 360° view of a boat
Migrated and optimized an existing Python project in terms of performance and architecture
Aggregated local operating system information, formatted it, and forwarded streaming data to connected clients

Apr 2024 - Present

2 years

Backend system for a social media platform

Freelance

Developed a platform to connect people with similar interests based on profile data and individual preferences
Posting and filtering content by favorite categories with prioritized display
Integrated messaging system for direct communication
Implemented the backend in Go with API key and JSON Web Token authentication
Persisted data in a relational PostgreSQL database; stored uploaded files in Azure Cloud and served them via the API

Feb 2024 - May 2024

4 months

Backend system for an institute for testing biological samples

Freelance

Designed and developed a system for provisioning, uniquely labeling, and group-based management of biological sample collection kits with subsequent analysis capability
Mapped the entire process chain from creating individual kits through assignment to defined groups to analysis
Implemented the backend in Go with API key and JSON Web Token authentication
Persistent storage in PostgreSQL; stored uploaded files on the file system and served them via the API

Sep 2023 - Jan 2024

5 months

Backend system for craftsmen job documentation

Freelance

Created a new backend in Golang for documenting orders of a craft business
Used API keys and JSON Web Tokens for authentication
Stored data in a SQL database; saved files generated by the backend on the file system with access via the API

Apr 2023 - Sep 2023

6 months

Backend system for advertising technology order processing

Freelance

Developed a backend in Golang for structured documentation and processing of orders in a craft business
Mapped the entire documentation process and provided all information via an API
Authentication using API keys and JSON Web Tokens
Persistent storage in PostgreSQL; stored documents and files on the file system with access via the API

Feb 2023 - Oct 2023

9 months

Backend system including app communication for bereaved relatives

Freelance

Designed and implemented a scalable backend API in Node.js for communication with bereaved relatives
Secured the API using API keys and JSON Web Tokens
Data persistence in MongoDB
Containerized deployment in AWS using AWS CDK for easy adjustments and redeployment

Sep 2022 - Jun 2023

10 months

Frontend and backend for access and authorization management of parking garages

Freelance

Migrated an existing Lumen API to Laravel for managing access and authorization processes for parking garages
Performed maintenance tasks and fixed existing bugs
Data persistence in MySQL
Redesigned and optimized the PHP-based web frontend by moving HTML styles into central CSS files
Implemented new modules, views, and backend functions

Apr 2022 - Nov 2022

8 months

Various websites for municipal facilities including app communication

Freelance

Set up, maintained, and customized multiple WordPress instances
Developed custom WordPress plugins in PHP with a flexible configuration structure based on JSON

Mar 2022 - May 2022

3 months

Application for generating and verifying JWTs with various encryption methods

Freelance

Design and implementation of a command-line tool for creating and validating JSON Web Tokens using different encryption algorithms
Interactive input and parameter handling with output of the generated or verified tokens directly in the command line

Jan 2017 - Apr 2023

6 years 4 months

Management system for electronic locking systems including app communication

Freelance

Development of a cloud-based backend API in Go for managing electronic locking systems
Design, implementation, and optimization of features for smooth data flow between frontend, backend, and database
Authentication and authorization using API keys and JSON Web Tokens
Persistent storage in PostgreSQL
Standardized API documentation in JSON/YAML according to the OpenAPI specification

Aug 2016 - Apr 2023

6 years 9 months

Development and maintenance of internal production and service tools

Freelance

Maintenance, further development, and new development of production and service tools in Delphi with Firebird SQL databases
Analysis and fixing of reported bugs as well as extension of existing functions and implementation of smaller new features
Design of user interfaces with DevExpress
Design, planning, and implementation of new applications including new forms and modules in close collaboration with manufacturing and service

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Manufacturing, Utilities, Automotive, Education, and Biotechnology.

Information Technology

Manufacturing

Utilities

Automotive

Education

Biotechnology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, and Operations.

Information Technology

Product Development

Operations

Summary

With nine years of experience as a software developer and freelancer, I bring a broad knowledge base from a wide range of projects in various technologies, specializing in backend development. My many years working as a service staff member have made me very outgoing, customer-focused, and able to quickly understand others' perspectives and ways of thinking. Combined with my eagerness to learn and curiosity about new environments and technologies, these qualities make me versatile for large projects where you join a team and work together in the long term, as well as for small projects that offer short and interesting insights.

Skills

Architecture, Technical Concepts, Software Architecture
Google Go
Php Laravel, Lumen
Java Spring Boot, Lombok
Embarcadero Delphi (Including Firedac And Devexpress Components)
Web Angular, Typescript, Javascript, Node.js
Databases Mysql, Postgres, Firebird, Mariadb, Mongodb
Cloud Aws, Aws Cdk, Azure
Containers Docker
Integration Confluence, Jira, Git, Svn, Gitlab, Github, Jenkins, Kubernetes, Ci/cd

Languages

German

Native

English

Advanced

Statistics

Experience

Total positions 13

Experience in Information Technology 9 y

Avg length 1 y 7 m

Longest experience 6 y 8 m

Expertise

Recent roles Backend system and web client for exchanging electricity meters for utility providers, Backend system for a platform for solidarity-based funding of class trips, Local backend system for a boat overview

Main industries Information Technology, Manufacturing, Utilities

Main business areas Information Technology, Product Development, Operations

Profile

Created

July 2024

Last Update

August 2025

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Frequently asked questions

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

Where is Nils based?

Nils is based in Heiligenhaus, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Nils speak?

Nils speaks the following languages: German (Native), English (Advanced).

How many years of experience does Nils have?

Nils has at least 10 years of experience. During this time, Nils has worked in at least 13 different roles and for 1 company. The average length of individual experience is 1 year and 9 months. Note that Nils may not have shared all experience and actually has more experience.

What roles would Nils be best suited for?

Based on recent experience, Nils would be well-suited for roles such as: Backend system and web client for exchanging electricity meters for utility providers, Backend system for a platform for solidarity-based funding of class trips, Local backend system for a boat overview.

What is Nils's latest experience?

Nils's most recent position is Backend system and web client for exchanging electricity meters for utility providers at Freelance.

What companies has Nils worked for in recent years?

In recent years, Nils has worked for Freelance.

Which industries is Nils most experienced in?

Nils is most experienced in industries like Information Technology, Manufacturing, and Utilities. Nils also has some experience in Automotive, Government and Administration, and Education.

Which business areas is Nils most experienced in?

Nils is most experienced in business areas like Information Technology, Product Development, and Operations.

Which industries has Nils worked in recently?

Nils has recently worked in industries like Information Technology, Manufacturing, and Utilities.

Which business areas has Nils worked in recently?

Nils has recently worked in business areas like Information Technology, Product Development, and Operations.

What is the availability of Nils?

Nils is immediately available for suitable projects.

What is the rate of Nils?

Nils's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Nils?

To hire Nils, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200

900

600

300

Market avg: 980-1140 €

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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