Full-Stack Software Engineer Payments (m/f/d) Munich, Berlin or Hamburg

1KOMMA5° Bremen; Berlin; Remote; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A renewable energy solutions provider is seeking a Software Engineer in Berlin to integrate payment systems and contribute to backend applications. The ideal candidate will have a strong background in writing maintainable code and designing RESTful APIs, with the ability to thrive in a dynamic and innovative team environment. This role offers remote work opportunities across Germany and the chance to impact renewable energy accessibility.

Leistungen

Flexible working arrangements

Learning opportunities and conferences

Job bike leasing

Health benefits through EGYM Wellpass

Discounts through Futurebens

Qualifikationen

• Experience with setting up payment systems and transaction workflows.
• Proven experience in maintainable, reusable, and testable code.
• Experience designing and maintaining RESTful APIs.
• Experience with performance measurement and improvements.
• Interest in human-centered software development.
• Residency in Germany.

Aufgaben

• Contribute skills to a team of self-driven software engineers.
• Maintain business-critical backend applications.
• Shape actionable requirements from undefined business problems.
• Foster a culture of experiment-driven innovation.
• Reduce tech-debt and document decisions.

Kenntnisse

Payment system integration

Backend development

RESTful API design

Performance optimization

Agile mindset

Human-centered development

Fluent in English

German language (a plus)

Tools

NestJS

TypeScript

Ruby on Rails

Google Cloud

Datadog

Next.js

Flutter

Jobbeschreibung

1KOMMA5°

You will play a pivotal role in shaping the monetization of our renewable energy solutions. By focusing on payment integrations and smartly monetizing our existing products, you will enable seamless, scalable, and international business growth. Your work will directly contribute to making renewable energy accessible and profitable for private homes and small businesses worldwide.

As a software engineer in 1KOMMA5°, you will join an established cross-functional team alongside engineers, product managers and product designers. You will help build a self-organized tech team, responsible for developing, deploying and running their own solutions to contribute to those work streams.

Learnmore about our Product & Tech team!

Your mission

Key responsibilities include but are not limited to:

• Contribute your skill and experience to a team of self-driven software engineers
• Extending and maintaining business critical backend applications
• Help shaping actionable requirements from complex and undefined business problems
• Foster a culture of experiment-driven innovation
• Improve developer experience by constantly avoiding/reducing tech-debt, automating as much as possible and documenting decisions, runbooks etc.

Your profile

We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to make an impact.
Furthermore we require you to have:

• experience with setting up and integrating payment systems, including handling transaction workflows, payment gateways, and secure processing
• proven experience in writing maintainable, self-describing, reusable and testable code with major back-end or full-stack technologies in several past projects
• experience designing and maintaining RESTful APIs
• experience with measuring and improving performance
• an agile and result-oriented mindset and a passion to support your team colleagues
• interest or experience in human-centered software development
• excellent knowledge of spoken and written English; German is a plus
• residency in Germany

Our stack:

• NestJS/TypeScript or Ruby on Rails for backend applications leveraging cloud run services and cloud functions
• Next.js/TypeScript for frontend applications, Flutter for mobile applications
• Infrastructure as code, deployment to Google Cloud, observability with Datadog
• Low-Code Platforms for simple third party integrations

Benefits

• Contribute to a dynamic and highly motivated team with people who have proven that they can make things happen and move companies forward
• With your work, you accelerate the "energy and mobility transition" and make a concrete contribution to the sustainable transformation of our energy infrastructure
• You move in flat hierarchies and have direct contact with the managing directors as well as short decision-making paths
• Work with and learn from other skilled engineers and join conferences and exciting meetups
• You can work remotely (Germany-wide), with offices in Berlin, Hamburg and Munich
• See the direct impact of your work on a rapid-scaling user base
• Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
• Take advantage of benefits and discounts through Futurebens
• Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time