API & Cloud Stack Java Developer/Architect


    Tangent Works, a belgium-slovak scale-up, is looking for a self-motivated API & Cloud Stack Java Developer/Architect with relevant experience in designing and implementing highly scalable web-service APIs.

    Successful candidate will be responsible for design and development of highly scalable REST APIs to our award-winning TIM (Tangent Information Modeller) engine using Docker containers and Kubernetes framework. TIM is an automatic model building engine for time-series in energy industry that unifies modeling of electricity load, gas consumption, solar, wind, small-scale hydro production, prices and system imbalance using state-of-the-art machine learning techniques. The job includes work with high-dimensional meteorological data.

    Future applications of TIM are likely to emerge in other industries too (e.g. FinTech, Telco, Pharma, Health, etc.)

    Key Responsibilities

    • Design and implementation of web-service APIs
    • Design of highly scalable architecture (containerization & orchestration)
    • Deployment at scale & integration with 3rd parties

    Required Experience

    • Spring and Spring Boot frameworks, Gradle/Maven
    • Understanding of REST (Swagger), JSON, and XML concepts
    • RabbitMQ or similar
    • Design and optimization of databases, PostgreSQL or similar
    • Linux Administration Basics
    • Agile Development

    Experience Considered a Plus

    • Microservices, Docker, Kubernetes, Azure Kubernetes Services (AKS)
    • InfluxDB, MariaDB, NoSQL, Grafana, Apache Kafka
    • Front-end development (Angular, ReactJS, …)
    • Julia Programming Language, SIMD, CUDA, Genie framework
    • Experience with Energy industry and meteorology
    • Team Leading Skills


    • An adventure in the cutting-edge field of advanced analytics and machine learning
    • The chance to work in a fast moving and innovative scale-up with a focus on a single product while dealing with all kinds of different technologies and assignments
    • An environment where everyone’s input is nurtured.
    • Fixed contract with numerous fringe benefits.
    • International customer base
    • An individual development plan
    • Modern and spacious office in the center of Bratislava, Slovakia and Gent, Belgium
    • A company culture that values openness, trust and creativity

    About Tangent Works
    Tangent Works is dynamically growing machine learning company dedicated to a development and research of mathematical algorithms that bring value to industry. You will be working with intelligent data analysis, data mining and predictive modelling with a massive amounts, high dimensionality, sparseness or inhomogeneous nature of the data.

    We are looking forward to receive your applications at

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