[Hiring] (Senior) Backend Engineer - Core Team @envelio

Role Description

As (Senior) Backend Engineer - Core Team (all genders), you will be part of an engineering squad with strong knowledge in software architecture, data modelling and graph-functionality. Together, you drive the development of the GridHub - our Core Component which feeds all applications - and directly influence the experience of our users, our organization, and our engineering practices.

How You Make an Impact

• Directly influence the shape and functionality of our Digital Twin by designing interfaces and generalized functionality for complex requirements.
• Develop and extend cross-application workflows that ensure data integrity for planning and live applications.
• Capture app-specific requirements in a universally applicable solution.
• Familiarize yourself with our individual and domain-specific solutions within the modelling and calculation of electrical grids and improve them in an independent and innovative way.
• Actively involved in the design and improvement of our system architecture in the area of code, data model and infrastructure.
• Exchange ideas with other developers to enable a smooth interaction between the different components.

Qualifications

• +3 years of relevant experience in web application development with a focus on backend components, data modelling and infrastructure.
• Experience with relational databases in the architecture of Data Models, preferably Digital Twins, and the design of queries, preferably in PostgreSQL.
• Extensive experience with Python, ideally related to orchestration and parallelization of tasks in the context of multi-processing, e.g. with Celery.
• Experience with graph-data, e.g. through experience with graph databases or other graph tooling such as networkX.
• Team player and passionate about working with talented and inspiring people.
• Preference for complex, technical challenges and high standards for elaborate and intelligent solutions.
• Familiarity with parts of our tech stack and eagerness to keep up with current industry best practices.
• Optionally familiar with one or more of these topics: distributed computing, graph theory and geoinformatics.
• Business-fluent in English (Level C1).

How We Work With AI at envelio

• Agile working method with Kanban in interdisciplinary squads.
• Continuous Integration / Continuous Delivery.
• Unit Test mentality and 4-eyes principle during code reviews.
• Knowledge sharing sessions between developers.
• “You Code It – You Own It” – Squad responsibility for certain functional areas of the product.

Our Tech Stack

• Python, incl. additional packages/frameworks e.g., FastAPI, Pytest and Celery.
• PostgreSQL.
• RabbitMQ, Redis.
• Docker, Kubernetes.

Benefits

• Flexible working mode within Germany: Hybrid, from home or in our lovely office in Cologne.
• Option for remote work from abroad (up to three months per year from anywhere in the EU or the USA).
• State of the art technology and modern tech stack.
• Excellent hardware equipment (16 inch MacBooks, 2 screens at your workplace).
• Support for your health through sports membership cooperations.
• Professional mental wellbeing support through our partner nilo for you and your family.
• Flexible use of a monthly mobility budget (e.g. Jobrad, public transport).
• Time and resources for individual growth.
• Regular tech & growth talks for internal knowledge sharing.
• Envelio pension plan.
• Regular company and team events.