Qa software tester Jobs in Essen

E.ON Energy Markets GmbH

E.ON Energy Markets GmbH (EEM)

is a subsidiary of the E.ON Group based in Essen. Our main purpose is to coordinate access to trading markets for our regional business units, to bundle the associated chances and risks plus to provide innovative services. Our core competencies include portfolio strategies, risk management and data processing. With activities in various European countries, we shape the future of energy. At E.ON diversity matters. We welcome all people and are convinced that differences make us stronger. Become part of our inclusive and diverse company culture! To create equal opportunities for everyone we offer our positions in full or part-time. Ready to become a Playmaker of the energy transition? Join our team in Essen and apply online as Technical Product Owner - Energy Trading Valuation Platform (f/m/d). Are you brave enough to drive progress and forge new paths? Let’s make it work and create real impact together. We can’t wait to meet you! It’s on us, to make new energy work. h3 We are looking for a

Technical Product Owner

to lead the evolution of a strategic quantitative valuation platform within E.ON Energy Markets. The platform provides valuation capabilities for a broad range of linear and non-linear energy products and is a critical component of our trading, risk and portfolio management landscape. Built primarily in

Python , with

Dagster

at the core of workflow and calculation-pipeline orchestration, it combines quantitative models, reusable valuation services and modern software engineering practices to enable fast, reliable and transparent valuation across multiple business domains. As Technical Product Owner, you will work at the intersection of

energy trading, quantitative modelling, software engineering and product leadership . You will define the technical direction of the platform, shape its roadmap together with business stakeholders and ensure the successful delivery and stable operation of this business-critical capability. This role goes beyond traditional backlog management. We are looking for someone who combines strong technical expertise with product thinking, can challenge architectural decisions, works closely with quantitative developers and engineers, and helps drive the adoption of AI-native engineering practices. h3

Product and Platform Leadership

Define and evolve the product vision, roadmap and priorities together with business and technology stakeholders. Translate trading, risk and quantitative requirements into scalable, reusable platform capabilities. Drive product decisions balancing business value, technical sustainability, operational excellence and long-term platform evolution. Maintain transparency on progress, risks, dependencies and architectural direction. Technical Ownership

Own technical decisions and end-to-end accountability for solution design, architecture and platform evolution. Ensure scalability, performance, reliability, maintainability, security and observability remain core product qualities. Guide the evolution of the Python-based platform, including quantitative libraries, valuation services, APIs, engineering standards and Dagster-based workflow orchestration. Balance feature delivery, technical debt management and operational stability while aligning with enterprise architecture and engineering standards. Delivery and Operations

Own and prioritize the product backlog in alignment with business objectives. Ensure technical feasibility, delivery readiness and quality of new capabilities. Drive delivery through the cross-functional team and coordinate dependencies across trading, market data, risk and consuming systems. Contribute to operational excellence, resource planning and continuous product improvement. Stakeholder and Team Collaboration

Act as the key interface between traders, quants, engineers, architects and risk stakeholders. Translate business, quantitative and technical requirements into clear priorities and actionable outcomes. Foster alignment across teams and challenge requirements, architecture and implementation decisions constructively. h3 We believe AI will fundamentally transform how energy trading platforms are designed, built and operated. A key part of this role is helping us adopt modern AI-assisted engineering practices, including: Spec-driven development and AI-supported implementation, testing and documentation. Effective use of coding agents and human-in-the-loop engineering workflows. Guardrails, evaluation mechanisms and quality standards for AI-generated code. Automation and intelligent workflows that improve engineering productivity and operational efficiency. You do not need to be an AI researcher, but you should understand how AI is changing software engineering and be motivated to apply these capabilities responsibly in a business-critical environment. h3

Required

Strong technical background in software engineering, platform engineering, quantitative development or energy trading technology with 8+ years of professional experience Experience owning complex technical products, platforms or services. Strong understanding of software architecture, APIs and distributed systems. Hands-on experience with Python-based systems, ideally in quantitative, data-intensive or business-critical environments. Experience translating business requirements into technical capabilities and leading delivery in agile, cross-functional teams. Strong analytical, prioritization and decision-making skills. Preferred

Experience with Dagster or similar workflow orchestration technologies. Experience in energy, commodity or financial trading environments. Understanding of derivatives valuation, pricing models, market data and valuation workflows. Experience with cloud-native architectures, large-scale quantitative platforms, CI/CD, testing and observability. Practical experience with AI-assisted development and coding agents such as GitHub Copilot, Claude Code or Codex. h3 You will help build a valuation platform that is:

Quantitatively trusted. Technically scalable. Easy to integrate. Fast to evolve. And increasingly AI-native in the way it is engineered. You will be recognized as the technical leader who ensures that Paradox delivers sustainable business value while remaining robust, modern and ready for the future. Inklusion Uns ist wichtig, Menschen mit Behinderung ein faires Bewerbungsverfahren zu ermöglichen, in dem sie ihr Bestes zeigen können. Daher wird unsere Schwerbehindertenvertretung frühzeitig in das Verfahren einbezogen. Bitte teile uns über das Bewerbungsformular mit, ob du technische oder organisatorische Anpassungen für das Bewerbungsverfahren benötigst. Wir stellen diese gern zur Verfügung. Wenn es dir nicht möglich ist, dich online zu bewerben und du stattdessen mit jemandem sprechen möchtest, kontaktiere bitte deinen lokalen Recruiter. Das zeichnet E.ON als Arbeitgeber aus

Sinnhaftigkeit

Gemeinsam ebnen wir den Weg für die grüne Energiewende in Europa und ermöglichen der Gesellschaft und unseren Kunden CO2-neutral zu werden.

Nachhaltigkeit

Wir machen Energie sauberer und intelligenter und ermöglichen unseren Kunden Zugang zu einer nachhaltigen Strom- und Wärmeversorgung.

Teamgeist

Wir fördern eine integrative Kultur, in der sich jeder wertgeschätzt fühlt, sein volles Potenzial entfalten und zum Erfolg von E.ON beitragen kann.

Wertschätzung

Wir schätzen den Beitrag jedes Einzelnen. Wir erkennen individuelle Leistungen an und belohnen die Erfolge, die wir als Team erzielen.

Work Life Balance

Familie oder Karriere? Bei uns keine Frage. Ob Gleitzeit, Teilzeit oder hybrides Arbeiten: Bei uns findest du für jede Lebenssituation das passende Arbeitsmodell.

Gesundheit

Bei uns profitierst du von vielfältigen Angeboten rund um Gesundheit, Vorsorge und Wohlbefinden.

Netzwerk

Dein Einstieg bei E.ON öffnet dir die Tür zu unzähligen Möglichkeiten – regional und international.

Entwicklung

Ob Fach- oder Führungslaufbahn: Mit unseren individuellen Weiterbildungsangeboten entwickelst du dich fachlich und persönlich.

Onboarding

Wir unterstützen dich dabei, E.ON kennenzulernen und dich schnell in deinem neuen Arbeitsumfeld zurechtzufinden. So fällt dir der Start bei uns leicht.