Backend Engineer
- Location: Prizren, Kosovo
- Employment type: Full Time
- Work mode: On-site
- Category: IT & Software
- Published: 11 Aug 2026
- Closing date: 25 Aug 2026
Job description
As a Backend Engineer at Sky Engine AI, you will play a foundational role in designing and building the core infrastructure that supports our AI models, data pipelines, and client-facing applications. You will work alongside AI researchers, data scientists, and frontend engineers to build scalable APIs, real-time data services, and secure backend systems that handle large volumes of structured and unstructured data.
Your work will directly impact how our AI products are deployed, maintained, and scaled across multiple industries. If you are excited about building distributed systems, working with modern cloud technologies, and contributing to real-world AI applications, this is the role for you.
Responsibilities
- Design, build, and maintain scalable backend systems and high-performance APIs using Node.js and TypeScript.
- Develop and optimize data pipelines that power AI models and machine learning workflows.
- Build and manage integrations with third-party AI services, cloud platforms, and internal data warehouses.
- Design, implement, and optimize database schemas and queries for performance and reliability.
- Implement secure authentication, authorization, and data protection across all systems.
- Collaborate with AI and data science teams to deploy, monitor, and scale ML models in production.
- Write clean, modular, and well-tested code with a strong focus on maintainability.
- Participate in code reviews, architectural decisions, and Agile sprint ceremonies.
- Monitor production systems, troubleshoot issues, and drive continuous performance improvements.
- Document system architectures, APIs, and deployment processes for internal and external stakeholders.
- Stay up-to-date with emerging technologies and recommend improvements to the tech stack.
Requirements
- 3+ years of professional experience in backend software development.
- Strong proficiency in Node.js and JavaScript / TypeScript.
- Experience with Express.js, Fastify, or similar backend frameworks.
- Solid understanding of database design and optimization for both relational (PostgreSQL / MySQL) and NoSQL (MongoDB) databases.
- Experience designing, building, and consuming RESTful APIs and/or GraphQL.
- Familiarity with cloud platforms (AWS, GCP, or Azure) and cloud-native services.
- Knowledge of version control (Git) and CI/CD pipelines.
- Experience working with Docker and containerized environments is a strong plus.
- Understanding of microservices architecture and event-driven systems.
- Experience integrating with AI/ML models or working in data engineering contexts is highly desirable.
- Strong communication skills and ability to collaborate with cross-functional teams (AI researchers, data scientists, frontend engineers).
- Fluent in English (written and verbal).
Benefits
- Competitive salary with performance-based bonuses and growth opportunities.
- Fully remote or hybrid work model with flexible working hours.
- Opportunity to work on cutting-edge AI technologies and real-world products.
- Collaborative, inclusive, and innovation-driven engineering culture.
- Professional development budget for conferences, courses, and certifications.
- Access to modern cloud infrastructure, tools, and state-of-the-art development environments.
- A supportive environment where your contributions are recognized and valued.
- Opportunity to work with a passionate, cross-functional team across Europe.
- Home office equipment stipend to set up your ideal workspace.
Application
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