Senior Full Stack Developer (f / m / d)

Our COO IT DevOps Team is looking for you!

We are Uniper

At Uniper, we are pro-actively transforming the world of energy whilst at the same time ensuring security of energy supply. As an internationally operating company, we work in very diverse teams with the greatest possible working time flexibility for our employees. Our corporate culture is characterized by equal opportunities, mutual appreciation, and respect. With us, you will be able to develop new business models, work on technological solutions for a modern, sustainable, and future-oriented energy supply as well as pro-actively help to shape changes. Interested? Then we will look forward to meeting you!

Your responsibilities

As a Senior Full Stack Developer in the COO IT DevOps team, you will be responsible for ensuring the overall end to end software quality and guiding the cross-team architecture. Acting as the “glue” between frontend, backend and quality assurance communities, you will drive best practices, facilitate collaboration, and ensure seamless integration of software components. This role demands leadership across the entire Software Development Life Cycle (SDLC), including ownership of code review (Pull Request) processes, application performance, and team Key Performance Indicators (KPIs).

Architectural Leadership

• Define and manage cross-team software architecture, ensuring scalable and maintainable solutions.

• Collaborate with Frontend, Backend, Quality Assurance and other teams within CO IT to integrate systems efficiently and consistently.

• Champion high-level design decisions, ensuring alignment with Uniper’s strategic goals.

Full SDLC Ownership

• Take responsibility for the entire development lifecycle, from requirements gathering and design to deployment and maintenance.

• Oversee Pull Request processes, code reviews, and merges to maintain code quality and consistency.

• Implement and refine tracking, tracing, and monitoring strategies to ensure robust production systems.

Quality & Performance

• Drive best practices in coding, testing, and deployment to deliver high-quality applications on time.

• Own performance metrics and KPIs, working with teams to continuously optimize codebase and processes.

• Encourage a culture of continuous improvement, knowledge sharing, and learning within the development community.

• Own Captain’s View and drive adoption within COOIT teams and beyond.

Collaboration & Stakeholder Management

• Serve as the primary link between Frontend, Backend and Quality Assurance teams, fostering open communication and teamwork.

• Provide technical guidance and mentorship to junior developers, ensuring adherence to coding standards and practices.

• Work closely with Product Owners, Project Managers, and other stakeholders to define requirements and set realistic timelines.

Innovation & Continuous Improvement

• Stay current with emerging technologies and development best practices, assessing their fit for use cases.

• Advocate for new tools, technologies, and processes to maintain a cutting-edge development environment.

• Support the evolution of the COODE platform to scale for future projects and business needs.

Your profile

Education & Experience

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

• 5+ years of professional experience as a Full Stack Developer, with a track record of delivering complex applications.

Technical Proficiency

• Expertise in both front-end (e.g., React, Vue) and back-end (e.g., Node.js, Python (FastAPI), .NET) frameworks.

• Solid understanding of RESTful APIs, microservices, and modern software architecture principles.

• Hands-on experience with CI/CD pipelines, DevOps practices, and cloud platforms (Azure).

• Familiarity with databases (SQL & NoSQL) and caching mechanisms for high-performance applications. Focus on MSSQL and Cosmos DB.

• Experience with monitoring and tracing on the Azure platform.

Leadership & Communication

• Proven ability to lead cross-functional teams and drive consensus on technical decisions.

• Excellent communication and presentation skills for both technical and non-technical audiences.

• Strong interpersonal skills to mentor team members and collaborate with stakeholders.

Analytical & Problem-Solving

• Demonstrated success in troubleshooting, optimizing, and scaling web applications.

• Ability to translate business requirements into robust technical solutions.

• A passion for continuous learning, keeping up with industry trends and best practices.

Your benefits

At Uniper, we not only reward our employees with attractive salaries, an excellent company pension and health-related benefits for their hard work and dedication to shaping the future energy transition. You can also expect a supportive working culture that offers a wide range of creative and innovative ideas. We enable various flexible working arrangements, whilst also supporting with home office equipment. Through regular training and workshops, together we work towards visualising yourself in our company as if it were your own. We support you in highlighting your individual potential, achieving your personal goals, and reaching your ambitions. We invite you to become part of our diverse company with international colleagues from more than 80 countries.

Work-Life-Balance / New Normal

• Choosing how, where, and when to work in accordance with your team and the requirements of your job.

• Modern and ergonomic equipment for your workplace (home & office).

• Support to balance private life and work: Sabbaticals, part-time possibilities, family service.

Mobility

• Car and bike leasing offer (deferred compensation).

• E-car charging stations at almost all Uniper locations.

Health offers

• Flu vaccination.

• Preventive health services.

• Employee assistance program.

Company pension

• Employer-funded contributions to a modern pension system.

• Possibility of self-funded contributions with employer-funded matching.

Trainings

• Lifelong training.

• Coaching.

Our employees are the reason for our success. Therefore, you will find many other benefits at the local level to help you reach your potential. Energy evolutionary wanted!

Your contact

If you have any questions, please do not hesitate to contact us at: career@uniper.energy

Attention! Please apply via the button in this portal. Application documents that reach us by post will not be returned and, like those we receive by e-mail, can unfortunately not be considered!

Job information

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As an employer, Uniper is committed to diversity and equal opportunities. Therefore, we encourage applications from suitably qualified individuals whose capabilities match the role requirements regardless of gender, origin, disability, age, religion, ideology, sexual identity or marital status. We live inclusion and support flexible working.