Senior Software Java Engineer (Compute team)

Mission Statement:We help businesses deploy resources and processes efficiently and make their customers and staff feel seen and valued.<br/>About <a href="http://kontakt.io/">Kontakt.io</a> <a href="http://kontakt.io/">Kontakt.io</a> is the industry leader in indoor environmental, location, and occupancy services using Bluetooth Low Energy (BLE ®). Our mission is to deliver human-building interfaces that provide people with delightful, useful, and safe indoor experiences to help make buildings work for people. We are out to define a new building DNA that is human-centric. We build technologies that help transform buildings into indoor spaces that are useful for people in their daily journey to accomplish their goals, working or being cared for in a safe &amp; sustainable indoor environment.<br/>We started in 2013 when <a href="http://kontakt.io/">Kontakt.io</a> built the first enterprise-graded BLE beacon solution for building-mobile interfaces. Since then, we have provided BLE solutions to over 30,000 end-users, delivered via +1,100 partners using +3 million IoT devices in the field. Today our solutions cover approximately one billion sq ft. We continue to be a pioneer in the field, with a focus on Smart Buildings in Healthcare and Corporate Real Estate Spaces.<br/>Currently, we are looking for <br/>Senior Software Java Engineer to join our Compute team. <br/>We are looking for a person who can work independently, look at the problem from a product perspective, suggest proper solutions and then execute them.<br/><u>Our tech stack</u><u>:</u> Java 11+, Kafka (with Kafka Streams), Testcontainers, Spring framework (Spring Boot, Spring Data, Spring Cloud Stream), Python, MongoDB, Cassandra, Docker, Kubernetes, Terraform, Prometheus, Grafana, Jenkins, git, AWS Cloud<br/>Why <a href="http://kontakt.io/">Kontakt.io</a>:<br/><u>We Make Things Easy</u><br/><u>-Easy to Use.</u> Simplicity is harder than complexity. Each of our apps focuses on a single user and a specific problem. We create solutions for everyone to help them get things done.<u>-Easy to Buy. </u>We simplify pricing with a single, per-bed or per-room model that encompasses all the necessary products and services to achieve your desired outcomes.<u>-Easy to Deploy.</u> Using AI, cloud, and mobile technologies, our equipment autonomously communicates and validates itself without the need for human intervention, cutting deployment time from months to weeks or even days.<br/><u>We Deliver Fast Outcomes</u><br/><u>-Industry’s #1 Time To Value.</u> We accelerate your ROI and deliver positive outcomes to users faster than anyone else, thanks to how easy things work with our AI- and cloud-based platform.<u>-Delivered As A Service. </u>Delivering everything from devices to apps to support, our as-a-service model allows you to add new use cases with a simple click. Gain agility and speed like never before.<u>-Outcome Driven. </u>We deliver outcomes, not boxed equipment. From on-site installation to monitoring, all the way to service-level agreements, our approach is uniquely designed to ensure the outcomes you need.<br/><u>We Ensure Unmatched Scalability</u><u>-Priced for Scaling. </u>We offer scalable pricing, regardless of your project size. Enabling our customers to create value cost-effectively is a key element of our success.<u>-A Platform for Scaling.</u> Lower TCO, quicker adoption of new use cases, extensive cloud scalability, and future-proofing your IT investments are among the many reasons why <a href="http://kontakt.io/">Kontakt.io</a> is right for you.<u>-Managed for Scaling. </u>SOC-2 and HIPAA compliant, our platform integrates with your wireless and security infrastructure, allowing you to use your current IT network with confidence and uninterrupted functionality.<br/> <h3>You will be expected to:</h3> <ul> <li>improve, maintain, scale up, and cost control our IoT Cloud</li><li>deliver features, integrations, tools, documentation, and support for our customers</li><li>define data models and work with database systems like Cassandra and MongoDB </li><li>deliver quality and future-proof solutions, not just what was requested</li><li>establish connectivity with third-party systems using modern integrations technologies like RESTful APIs and Kafka streams</li><li>implementing location engine algorithm</li><li>write and maintain documentation</li><li>write unit and integration tests using JUnit and Testcontainers</li><li>support and maintain CI/CD Workflows </li><li>create and drive best practices in the team (including peer reviews and building for testability)</li><li>propose any upgrades and updates necessary for keeping up with modern security and development best practices</li><li>participate in 24/7 on-call rotation</li></ul> <h3> Our requirements:</h3> <ul> <li>min. 4 years of hands-on experience in designing and developing highly scalable applications using modern technology stacks such as Java, Kafka, MongoDB, and Cassandra with microserv