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1KOMMA5°

Remote Job Openings at 1KOMMA5° (55)

Category Manager B- und C-Teile (m/w/d)

Germany 2-5 yrs exp Others

You will be responsible for the strategic and operational management of product categories including mounting systems and B/C parts for PV, battery, and heat pump installations. Your role involves developing category strategies, managing supplier relationships, and driving cost-down initiatives to optimize quality and availability.

Werkstudent*in (m/w/d) Accounting & Controlling

Germany 0-2 yrs exp Finance

You will support the finance team with monthly, quarterly, and annual financial statements while creating reports and analyses for stakeholders. Additionally, you will manage data flows between systems like Lucanet and Looker to ensure high data quality and consistency.

Delivery Manager - Heating and cooling (m/f/d)

Germany 5-10 yrs exp Product

You will coordinate the end-to-end heat pump integration and optimization roadmap while managing partner networks and technical requirements. Additionally, you will drive the deployment of optimization solutions and ensure platform stability through root cause analysis and cross-functional collaboration.

(Senior) Category Manager IT & Software

Germany 2-5 yrs exp Others

You will own the strategic procurement of the entire IT landscape, including SaaS, licences, hardware, and IT services. Your role involves consolidating software landscapes, negotiating enterprise agreements, and acting as a strategic partner to business units to drive cost-efficiency.

Mitarbeiter in der Netzanmeldung (m/w/d) - 1KOMMA5° Handwerk - Remote

Germany 0-2 yrs exp Others

You will independently manage and optimize grid connection processes for PV systems, battery storage, wallboxes, and heat pumps while ensuring regulatory compliance. Additionally, you will coordinate with internal and external stakeholders and process incoming documentation and feedback.

Engineering Manager Heartbeat AI (m/f/d)

Germany 5-10 yrs exp Software Development

You will lead a cross-functional engineering team, providing technical guidance and supporting the professional development of your team members. Additionally, you will oversee the full software lifecycle, from development and deployment to operational maintenance, while fostering an innovation-driven culture.

Trainer DC - Elektro (m/w/d) - Remote / Deutschlandweit

Germany 2-5 yrs exp Teaching

You will develop training materials and digital learning content for DC electrical systems while conducting theoretical and practical training for internal staff and partners across Germany. Additionally, you will perform site visits to ensure quality standards and continuously improve training processes based on field feedback.

Trainer AC - Elektro (m/w/d) - Remote / Deutschlandweit

Germany 2-5 yrs exp Teaching

You will develop training materials and digital learning content for AC electrical systems while conducting theoretical and practical training for internal and partner technicians across Germany. Additionally, you will perform site visits to ensure quality standards and continuously improve training processes based on field feedback.

Statiker / Structural Engineer (m/w/d) – Gewerbe & Industrie - Remote, Hamburg, München, Berlin - 1KOMMA5° Commercial Solutions GmbH

Germany 2-5 yrs exp Software Development

You will conduct structural load analyses for commercial roof systems and ensure compliance with Eurocode standards for renewable energy installations. Additionally, you will manage external structural auditors and coordinate with project teams to facilitate smooth project execution.

Working Student Software Engineering (m/f/d)

Germany 0-2 yrs exp Others

You will contribute to the development and maintenance of core customer-facing software solutions within a cross-functional team. Your role involves collaborating with engineers and product managers to automate processes, reduce technical debt, and implement high-quality code.

Werkstudent:in (m/w/d) - Quality Control Analyst (Wärmepumpe)

Germany 0-2 yrs exp Others

Perform remote quality checks and final approvals of heat pump acceptance protocols to ensure technical and safety standards. Collect installation data to identify error patterns and develop training materials for field teams to optimize processes.

Engineering Manager Heartbeat AI (m/f/d)

Germany 5-10 yrs exp Software Development

Lead a cross-functional App team and empower engineers to own the full product lifecycle from development to operations. Provide technical guidance, manage professional development, and foster a culture of experiment-driven innovation.

(Senior) IoT Cloud Engineer (m/f/d)

Germany 5-10 yrs exp Software Development

Own and evolve the Kubernetes-based IoT Cloud Platform to manage connectivity and messaging between residential gateways and cloud services. Build observability pipelines and data models to ensure the reliability and scalability of the virtual power plant infrastructure.

Junior Go to Market Project Manager (m/f/d)

Germany 0-2 yrs exp Product

The role focuses on scaling the Heartbeat AI platform by optimizing the customer journey and removing operational bottlenecks. You will own performance tracking through data-driven dashboards and coordinate execution across product, sales, marketing, and operations teams.

CTO Office Associate (m/f/d)

Germany 2-5 yrs exp Others

The role involves driving cross-team coordination and converting cross-functional initiatives into scalable processes. You will prepare decision materials for leadership to translate strategy into clear ownership and actionable next steps.

Product Manager – Global Services (m/f/d)

Germany 2-5 yrs exp Product

Own the development and scaling of next-generation global service offerings to transform one-time installations into long-term recurring revenue streams. Design service products that integrate hardware, software, and energy solutions to drive customer retention and profitability.

Zentraler Auftragsmanager (m/w/d) - 1KOMMA5° Handwerk - Berlin

Germany 2-5 yrs exp Others

Acts as the central link between installation teams, sales, and customers to ensure smooth order processing from planning to implementation. Responsible for coordinating project progress, material delivery, logistics, and scheduling installations with professional customer communication.

Mitarbeiter in der Netzanmeldung (m/w/d) - 1KOMMA5° Handwerk - Berlin

Germany 0-2 yrs exp Others

Responsible for the independent processing and optimization of grid connection processes for PV systems, battery storage, wallboxes, and heat pumps. This includes validating data points, creating documentation, and coordinating with internal and external stakeholders.

(Senior) Product Engineer - Heartbeat (m/f/d)

Germany 5-10 yrs exp Software Development

Own end-to-end feature development for the Heartbeat virtual power plant, from problem framing to production deployment. Collaborate with cross-functional teams to define product scope and leverage AI tools to amplify engineering impact.

Praktikum Produktmanagement - Wärmepumpe (m/w/d)

Germany 0-2 yrs exp Others

Support product managers for heat pumps by conducting technical comparisons and managing strategic projects. Act as a storyteller to make complex technical products understandable for sales teams and optimize product metrics using AI tools.

Senior Analytics Engineer - Growth (m/f/d)

Germany 5-10 yrs exp Software Development

Own the growth analytics function by designing and maintaining core marketing data models and ensuring the stability of the marketing tech stack. Partner with cross-functional teams to drive data-driven decisions and mentor junior data talent.

Senior Analytics Engineer - Growth (m/f/d)

Germany 5-10 yrs exp Software Development

Own the growth analytics function by designing and maintaining core marketing data models and ensuring the stability of the marketing tech stack. Collaborate across data and marketing teams to drive data-driven decisions and mentor junior talent.

Werkstudent:in Energy Operations (m/w/d)

Germany 0-2 yrs exp Others

Support the Energy Operations team by managing market communication processes and resolving complex customer cases for the Dynamic Pulse electricity tariff. Coordinate with distribution system operators and energy suppliers to ensure seamless power supply and billing.

Werkstudent:in Energy Operations (m/w/d)

Germany 0-2 yrs exp Others

Support the Energy Operations team by managing market communication processes and resolving complex customer cases for the Dynamic Pulse electricity tariff. Coordinate with distribution system operators and suppliers to ensure seamless electricity supply and billing.

(Junior) Energy Operations Manager (m/w/d)

Germany 0-2 yrs exp Others

The role involves planning, coordinating, and organizing the Smart Meter Rollout across German locations and developing processes for the dynamic electricity tariff. Responsibilities also include handling energy industry processes via market communication and ensuring compliance with legal and technical standards.