Full-Stack Developer (Python/React)

We are looking for a motivated Semi-Senior Full-Stack Developer to join an international digital transformation project at a leading company in the energy and sustainability sector. You will work closely with development and operations teams, helping maintain and improve internal platforms and microservices while ensuring high-quality technical support.

This is a great opportunity for someone eager to grow in a collaborative, cloud-based, and API-driven environment with modern technologies and agile methodologies.

Responsibilities

• Provide technical support and troubleshooting for internal applications and services.
• Collaborate with development teams to identify and resolve incidents.
• Monitor and maintain microservices and APIs.
• Participate in deployments, testing, and continuous improvement initiatives.
• Support integrations with cloud services and third-party platforms.
• Document issues, processes, and technical solutions.
• Work in an agile and multicultural environment.

Must Have

• Experience with Python (FastAPI)
• Knowledge of React + TypeScript
• Experience using Git
• Experience with relational databases (SQL)
• Knowledge of microservices architecture and API consumption
• Fluent or advanced Spanish level

Nice to Have

• Experience with NestJS
• Knowledge of AWS Cloud services such as S3, Lambda, and Athena
• Experience with Microsoft Graph API
• Familiarity with CI/CD pipelines
• Experience using DataDog

What do we offer you?

• Full-time contract.
• Smart Office Pack so that you can work comfortably from home.
• Training and career development.
• Benefits and perks such as private medical insurance, life insurance, lunch and travel cards as part of the flexible remuneration package.
• Possibility to be part of a multicultural team and work on international projects.
• Possibility to manage work-permits.

If you are passionate about development & tech, we want to meet you!

Talan Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).

Join Us!

Why Talan?

For the 4th consecutive year, Talan Spain has been recognized as a Great Place to Work! 🎉 This year, we’re also celebrating our 2nd certification in Poland, a significant milestone since opening our office there.

Talan is an international advisory group specializing in innovation and transformation through technology, with 5,000 employees and an annual turnover of 600M€.

We offer our customers a continuum of services to support them at each key stage of their organization's transformation, with four main activities:

• CONSULTING in Management and Innovation: Supporting business, managerial, cultural, and technological transformations.
• DATA & TECHNOLOGY: Implementing major transformation projects.
• CLOUD & APPLICATION SERVICES: Building or integrating software solutions.
• SERVICE CENTERS of EXCELLENCE: Providing technology, innovation, agility, sustainability of skills, and cost optimization.

Talan accelerates its clients' transformation through innovation and technology. By understanding their challenges and supporting them with technology, innovation, and data, we enable them to be more efficient and resilient.