We are seeking a talented Senior Full-Stack Engineer to join our team in the energy and infrastructure domain. The ideal candidate will work on data-intensive applications used for monitoring, analysis, and optimization of large-scale power systems. This role requires strong experience with both backend and frontend development, as well as hands-on knowledge of cloud architecture and modern search technologies. Key Qualifications: - 5+ years of experience in full-stack development. - Strong knowledge of Python and Java in production environments. - Proven experience with React and TypeScript. - Hands-on with AWS cloud services and serverless architecture. - Solid understanding of OpenSearch or Apache Solr. - Good communication skills and English at Upper-Intermediate level or higher. - Experience with Git, CI/CD, and working in Agile teams. Responsibilities: - Design and develop full-stack features for cloud-based analytics tools. - Develop and optimize backend services using Python and Java. - Create modern, responsive UI components with React and TypeScript. - Integrate OpenSearch or Solr for large-scale data indexing and querying. - Collaborate with a distributed team in an Agile environment. - Participate in code reviews, architecture discussions, and troubleshooting. - Contribute to system scalability, performance, and security improvements. We Offer: - 10 paid days off within an individual year. - Up to 15 unpaid days off within an individual year. Professional Growth Opportunities: - Sombra University courses – enjoy a range of learning opportunities through Sombra University. It offers many educational courses, as well as educational lectures on a variety of topics. - Sombra Around Tech – community attendance – Sombra unites engineers and experts in several areas: Front-end, Back-end, QA, DevOps, and Business Analysis. - Mentorship program – available on request. - UDEMY online course platform – stay up-to-date with the latest technologies and programming languages. - English courses and Speaking Club – attend English classes twice a week in small groups. Additional Benefits: - Work equipment (Laptop, monitor, and small devices compensation). - If you know someone who is a good fit for our cooperation, you can recommend them and get a reward. - Public Holidays – celebrate 18 statutory holidays in Colombia. - Sombra events – Join Sombra's traditional events (both online and offline).