1KOMMA5°

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

1KOMMA5° · Full Time · 3 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Software Development

You will build and maintain scalable, production-grade data models and analytics foundations to support decision-making across international markets. Additionally, you will partner with product managers to define success metrics and enable self-service analytics through trusted data products.

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Category Manager (m/w/d) Installationstechnik – SHK, Elektro & Unterkonstruktion

1KOMMA5° · Full Time · 3 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Others

You will be responsible for the strategic and operational management of sub-construction and B/C-part categories for PV systems, storage, and heat pumps. This includes developing category strategies, optimizing costs and quality, and building a resilient supplier network.

supply-chain

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Cost & Value Engineer (m/w/d) – Technical Procurement Expert

1KOMMA5° · Full Time · 3 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Software Development

You will analyze cost structures for power electronics and battery systems to support procurement negotiations and technical decision-making. Additionally, you will develop should-costing and target-costing models while acting as a key interface between procurement, supply chain, and product management.

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

1KOMMA5° · Full Time · 5 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Software Development

You will take end-to-end ownership of feature development and integrate AI-powered solutions into the company's intelligence workflow engine. You will collaborate with cross-functional teams to define scope, design architecture, and maintain high-quality production deployments.

react feedback operations german

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Principal Software Engineer (m/f/d)

1KOMMA5° · Full Time · 5 days ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Software Development

You will shape the organization's technical strategy and lead architectural direction to ensure the delivery of scalable, maintainable solutions. Additionally, you will mentor engineers and hold teams accountable for the consistent execution of technical decisions.

cloud architecture customer-experience product-management agile communication operations german

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(Junior) Data Engineer - Data Platform (m/f/d)

1KOMMA5° · Full Time · 6 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Software Development

Design and build the foundation for data flow, focusing on the ingestion, processing, storage, and delivery of data at scale. Collaborate with cross-functional teams to develop tools that enable internal customers to access and investigate data for various use cases.

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(Senior) QA Engineer - AI-Driven Testing (m/f/d)

1KOMMA5° · Full Time · 7 days ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Software Development

Own the end-to-end quality of Flutter mobile applications by designing and implementing AI-driven testing workflows and autonomous exploration. Collaborate with cross-functional teams to integrate quality signals into the development process and maintain a stable automated test suite.

test-automation cloud qa automated-testing feedback testing flutter

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Werkstudent (m/w/d) DC-Planung für New Energy Großprojekte – Remote - 1KOMMA5° Commercial Solutions GmbH

1KOMMA5° · Full Time · 12 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

Support the technical planning and visualization of photovoltaic systems for commercial customers. Create customer offers, technical documentation, and drawings while assisting in site analyses for large-scale projects.

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Kundenbetreuung (m/w/d) – Lösungs- & Zufriedenheitsmanagement

1KOMMA5° · Full Time · 13 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Others

Act as the primary contact for first-level support and site managers to resolve complex technical and commercial customer inquiries. Analyze complaint reasons and process inconsistencies to identify and implement process optimizations.

social-media customer-service media

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Internship Product Management Energy Products & Tariffs (m/f/d)

1KOMMA5° · Full Time · 18 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Product

Develop and manage energy tariff products and regulatory solutions using the Heartbeat AI platform. Analyze market communication workflows and monitor KPIs to optimize customer satisfaction and product adoption.

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(Senior) Product Manager - Procurement & Portfolio Management (m/f/d)

1KOMMA5° · Full Time · 18 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Product

Design and manage the procurement, hedging, and optimization of electricity for a flexible customer portfolio. Develop commercial logic for flexibility procurement models and conduct quantitative analyses to drive portfolio economics.

trading english risk-management

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Quality Control Expert (Wärmepumpe) (m/w/d)

1KOMMA5° · Full Time · 18 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Others

Monitor and control quality KPIs for heat pump installations and derive targeted measures for continuous improvement. Coordinate with internal and external partners across the value chain to ensure compliance and quality standards.

supply-chain

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Technischer Planer Photovoltaik (m/w/d) - 1KOMMA5° Handwerk - Remote

1KOMMA5° · Full Time · 20 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

Responsible for the holistic planning of roof and electrical installation for residential photovoltaic systems up to 30kWp. This includes creating string and layout plans, cable routing, and visualizing systems using planning software.

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Werkstudent*in Partner Management (m/w/d) - 1KOMMA5° Handwerk - Remote

1KOMMA5° · Full Time · 20 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

The role involves the acquisition, qualification, and onboarding of new installation partners for photovoltaic and heat pump systems. It also includes coordinating test sites for quality assurance and collaborating with internal departments to optimize onboarding processes.

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Partner Recruiting Manager (m/w/d) - 1KOMMA5° Handwerk - Remote

1KOMMA5° · Full Time · 20 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Recruitment

Identify and recruit installation partners for photovoltaics and heat pumps while managing the entire onboarding and contract negotiation process. Maintain strategic partnerships and track key performance indicators to scale regional partner networks.

recruiting onboarding

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Technical Project Manager Heartbeat AI (m/f/d)

1KOMMA5° · Full Time · 21 days ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Software Development

Coordinate operational flows and drive day-to-day alignment across the Energy Management System teams to ensure smooth execution. Manage cross-team dependencies, track technical timelines, and resolve operational bottlenecks to scale Heartbeat AI.

agile reporting operations software-engineering

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(Lead/Senior) Technical Product Manager - Platform Engineering (m/f/d)

1KOMMA5° · Full Time · 21 days ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Product

Drive the product vision and roadmap for internal platform engineering tools to improve developer experience and software delivery. Align technical capabilities with business impact and enable AI-driven engineering workflows.

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Working Student Product Designer (m/f/d)

1KOMMA5° · Full Time · 21 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Design

Create exceptional user experiences and visually appealing interfaces for Virtual Assembly Line tools. Collaborate with cross-functional teams to conduct research and design intuitive, user-centric solutions for new features.

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Internship Product Portfolio Management (m/f/d)

1KOMMA5° · Full Time · 21 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

Strategically advance the product portfolio by identifying and validating new energy services and scaling existing products for international markets. Develop end-to-end product strategies through the creation and updating of business cases.

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Internship Global Product Management (m/f/d)

1KOMMA5° · Full Time · 21 days ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Product

Support the end-to-end lifecycle of scalable service products and digital solutions for the global energy sector. Collaborate with cross-functional teams to translate operational feedback into automated processes and optimize product adoption via KPI analysis.

excel english product-management crm market-research feedback microsoft-office german

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

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

The role involves the remote review and approval of acceptance protocols for PV systems to ensure technical and safety standards. Additionally, the analyst identifies error sources, collects performance data, and develops training materials to optimize installation workflows.

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

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 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.

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Engineering Manager Heartbeat AI (m/f/d)

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 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.

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Senior Software Engineer - Mobile (m/f/d)

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Software Development

Lead the technical direction and architecture of the Installation Manager mobile app to digitize field operations. Ship reliable features and mentor other engineers while collaborating with product and design teams.

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

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 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.

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Praktikant:in (m/w/d) Technische Planung Photovoltaik - 1KOMMA5° Handwerk - Remote

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

The intern will learn to plan and visualize photovoltaic systems using specialized software and assist in creating individual customer offers. They will support the daily operations of PV planning and gain insight into the entire process from planning to grid registration.

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(Senior) Product Manager Growth (m/f/d)

1KOMMA5° · Full Time · a month ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Product

Own the conversion rate optimization across the e-commerce funnel and define the product roadmap for the martech team. Focus on reducing manual effort in marketing and sales through AI-powered workflows and automation.

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

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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Werkstudent:in (m/w/d) im Bereich Finance / Customer Service

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Finance

Handle customer inquiries regarding financing via email and phone while ensuring service-oriented communication. Support the analysis of performance data and the implementation of efficient service workflows for financial products.

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Senior Product Manager — Energy Utility Platform (m/f/d)

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Product

Own the product roadmap for the Energy Utility Platform, focusing on energy market access, flexibility marketing, and procurement. Bridge the gap between energy operations and engineering to deliver scalable software solutions for intelligent device control.

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CTO Office Associate (m/f/d)

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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Werkstudent:in (m/w/d) PR & Communications - CEO Office

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Marketing

Support the local and global press relations team through research, content creation, and media monitoring. Assist in managing journalist networks, organizing media events, and implementing internal communication measures.

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Werkstudent (m/w/d) Projektmanagement für New Energy Großprojekte - Remote - 1KOMMA5° Commercial Solutions GmbH

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 2-5 yrs exp 💼 Others

The role involves structuring and updating plant documentation, monitoring delivery deadlines, and managing regulatory documents. Additionally, the student will maintain Bills of Materials and analyze project management processes to improve efficiency between the back office and construction sites.

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

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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Working Student Energy Data Analyst (m/w/d)

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Software Development

Evaluate energy models to assess customer savings and monitor market developments to inform strategic decision-making. Analyze load data and conduct market research to generate insights for pricing strategies and product offerings.

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

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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Praktikum Produktmanagement - Wärmepumpe (m/w/d)

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 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.

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Working Student Data Science Forecasting (m/f/d)

1KOMMA5° · Full Time · 2 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Software Development

Support the development, training, and testing of time-series forecasting models for energy consumption and generation. Assist in building data pipelines and automating workflows using agentic AI to improve engineering productivity.

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

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 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.

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

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 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.

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

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 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.

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

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 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.

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Werkstudent:in (m/w/d) technische Planung Wärmepumpen - Remote, München, Berlin, Hamburg

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

You will be responsible for the independent planning and feasibility assessment of heat pump projects for residential buildings. Additionally, you will manage project documentation, coordinate heating subsidies, and prepare material lists for installations.

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Werkstudent:in (m/w/d) technische Planung Wärmepumpen - Remote, München, Berlin, Hamburg

1KOMMA5° · Full Time · 3 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

You will be responsible for the independent planning and feasibility assessment of heat pump projects for residential buildings. Additionally, you will manage project documentation, material lists, and coordinate with various company locations regarding heating subsidies.

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Praktikant:in (m/w/d) technische Planung Wärmepumpen - Remote, München, Berlin, Hamburg

1KOMMA5° · Internship · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

The intern will independently plan heat pump projects with team support, including feasibility studies for single and multi-family homes. Responsibilities also involve assisting with current heating subsidies and creating project documentation and material lists for installations.

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Technischer Betriebsleiter & vEFK (m/w/d) – Gewerbe & Industrie - Region München - 1KOMMA5° Commercial & Industrial Solutions

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Others

The role involves acting as the responsible electrical engineer (vEFK) and technical operations manager, legally leading the electrical trade operations nationwide and establishing a robust ordering cascade with precise delegation of technical responsibility down to regional managers. The manager will also hold full disciplinary responsibility for leading electricians, overseeing quality assurance through digital monitoring and physical site audits, and ensuring workforce qualification through training and certification tracking.

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

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 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.

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Senior Backend VPP Software Engineer - TypeScript (m/f/d)

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Software Development

The engineer will build a virtual power plant leveraging the Heartbeat energy manager and continuously ship innovative energy market solutions to customers. Key tasks include building and optimizing scalable backend services for VPP operations and energy market integrations, and designing necessary APIs.

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Senior Software Engineer - Energy Markets (m/f/d)

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Software Development

The role involves driving the technical direction for the Energy Markets workstream, focusing on building and optimizing backend services for Virtual Power Plant (VPP) operations and energy market integrations. Key tasks include designing systems at the intersection of backend and data processing, making architectural decisions, and collaborating across engineering and product teams.

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Praktikant:in (m/w/d) technische Planung Wärmepumpen - Remote, München, Berlin, Hamburg

1KOMMA5° · Internship · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 0-2 yrs exp 💼 Others

The intern will independently plan heat pump projects with team support, including feasibility studies for single and multi-family homes. Responsibilities also involve assisting with current heating subsidies and creating project documentation and material lists for installation.

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Senior Product Manager Netherlands (m/f/d)

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany, Netherlands ⭐ 5-10 yrs exp 💼 Product

The role involves developing, owning, and executing the Dutch product strategy for the Heartbeat platform, energy tariff, and native app, aligning with company vision and market demands. This includes driving commercial success by collaborating with local teams and overseeing product development and launch coordination.

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Technischer Betriebsleiter & vEFK (m/w/d) – Gewerbe & Industrie - Region Süd - 1KOMMA5° Commercial & Industrial Solutions

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Others

The role involves assuming responsibility as the authorized electrical specialist (vEFK) and technical operations manager for the electrical trade, establishing a robust cascade of orders with precise delegation of technical responsibility to regional site managers. Responsibilities include disciplinary oversight of electricians, monitoring technical processes via digital media, conducting physical safety audits, and ensuring all work and instructions comply legally with standards like VDE and DGUV.

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Head of Utility Products & Services (m/f/d)

1KOMMA5° · Full Time · 5 months ago

1KOMMA5°

🌎 Germany ⭐ 5-10 yrs exp 💼 Others

The role involves defining the global product vision and long-term roadmap for the utility business, covering metering, tariffs, trading, and flexibility services across various markets. This leader will also manage and mentor a growing team of Product Managers while standardizing core systems and driving operational excellence across energy markets.

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