Freelance Database Engineer (m/f/d)

Freelancer, Full or part-time · Hamburg

About us

Committed to building the next generation of 100% software-based mobile networks, ng-voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future-proof networks.

We are looking for a skilled Freelance Database Engineer to support and optimize our production-grade database environments running on Kubernetes clusters. This role involves database installation, maintenance, monitoring, and performance tuning within a containerized, cloud-native infrastructure. You will also work closely with developers and data architects to ensure efficient schema design and data handling.

Tasks

What you'll do

Database Design and Schema Management: Collaborate with developers and architects to design, implement, and manage well-structured database schemas optimized for Kubernetes-based workloads.
Monitoring and Performance Tuning: Continuously monitor database performance within Kubernetes environments. Diagnose issues, optimize queries, indexes, and fine-tune database configurations for scalability and efficiency.
Database Installation and Configuration: Install and configure clustered databases (e.g., PostgreSQL, MySQL) deployed on Kubernetes, ensuring redundancy, disaster recovery, and security best practices are followed.
Database Maintenance: Manage database operations including automated backups, restores, data purging, and index maintenance to ensure availability and data integrity.

Requirements

Our ideal new colleague

Hands-on experience managing databases in Kubernetes environments (e.g., StatefulSets, Helm charts, Operators)
Strong background in relational database management (PostgreSQL, MySQL, or similar)
Experience with clustered database setups, backup/recovery strategies, and disaster recovery planning
Solid understanding of query optimization, indexing, and database tuning
Ability to work independently and deliver production-ready database solutions
Effective communication and collaboration skills in remote teams

Benefits

A little more about our culture and why you should join

Work-Life-Balance is a priority: Flexible working that suits you - we live and breathe a hybrid remote culture and don't mind where and when you work
We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry
We offer you the culture of a fast-growing start-up with the maturity of an enterprise company
We are more interested in your experience and knowledge than formal degrees
Entrepreneurial culture and flat hierarchies
Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full-time employees)
Home office budget (for full-time employees)

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About us

ng-voice is an equal opportunity employer. We believe demographic characteristics and diverse experiences that have nurtured unique viewpoints benefit our growth and performance and value each person and their different background as a whole.

Hope we caught your attention; we look forward to getting to know you!

DISCLAIMER

Even if you do not meet 100% of the requirements, however, you think this role will be a good match for you, please send in your application. We would love to be in touch!

Please be aware that we are currently not collaborating with agencies and any profile received will not be taken into consideration.

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We are looking forward to hearing from you!

Thank you for your interest in ng-voice. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to jobs@ng-voice.com.