Fullstack Engineer (f/m/d)

About Working at envelio

Too easy is boring! Together, we are on a mission to drive forward the energy transition. We love what we do, and we are unafraid to dive in. We believe in taking ownership of our work and in continuously growing and evolving. In short: own it, love it, grow with it.

We are a humble team of coffee and maté lovers with over 20 nationalities. With our geek humor, our love for emojis and random facts is only natural. Over 130 envelians are already on board. Dive in and thrive!

Your Role

As Senior Fullstack Engineer (f/m/d), you will enhance our diverse engineering squad with your expertise. Together, you will drive the scaling of our products and impact our users, organization, and engineering practices.

How You Make an Impact

• You are part of a cross-functional team developing user-friendly applications that provide effective customer value.
• You conceptualize and develop professional backend and frontend solutions to continuously evolve envelio's core products in an agile environment.
• You design and interact with APIs, both for external interactions and communication with the product’s frontend.
• You develop strategic pathways for evolving the product's tech stack to state-of-the-art solutions.
• You have ambitious quality objectives and oversee the entire development process, from concept through implementation, testing, and go-live.

Your Profile

Perfection is a myth! We’re more interested in the human behind the screen, so think of these criteria as helpful directions — we're excited to see how your unique skills might fit in.

• You have +3 years of relevant experience in developing web applications (frontend + backend).
• You have experience with Python, especially in designing or interacting with APIs and integrating with third-party systems.
• You are business-fluent in English (Level C1).
• You have worked with SQL databases for data modeling and querying.
• You have experience with one of the following modern JavaScript frameworks: Vue, React, or Angular.
• You are a team player and passionate about working with talented and inspiring people.
• You are familiar with parts of our tech stack and eager to keep up with industry best practices.
• You seek technical challenges and pride yourself on finding smart, creative solutions.

How we develop Software

• Agile working method with Kanban in interdisciplinary squads.
• Continuous integration / Continuous delivery.
• Clean (and simple) code, documentation.
• High unit test coverage and regular code reviews.
• Knowledge sharing sessions among developers.
• “You Code it – You Own it” approach for squad responsibility in functional areas.

Our Tech Stack

Python (including FastAPI, Pytest, Celery), PostgreSQL, RabbitMQ, Redis, Vue.js, Pinia, PrimeVue, TypeScript, TailwindCSS.

Your Benefits

• Flexible working mode within Germany: Hybrid, from home, or in our lovely Cologne office.
• Option for remote work from abroad (up to three months per year).
• State-of-the-art technology and modern tech stack.
• Excellent hardware equipment (16-inch MacBook, 2 screens).
• 30 holidays + 3 company holidays.
• Support for your health through sports memberships.
• Flexible use of a monthly mobility budget (e.g., Jobrad, public transport).
• Time and resources for personal growth.
• envelio pension plan.
• Regular company and team events.