Lead Java Developer (Wireless Communication)

ABOUT THE PROJECT

A leading global provider of critical communication solutions is seeking to develop a comprehensive web application for centralized management of edge devices installed in police and ambulance vehicles, including in-vehicle routers and IoT devices. The goal is to enhance monitoring, configuration, and fault reporting to improve operational efficiency and reduce costs. The platform will be cloud-agnostic, support data sovereignty and cybersecurity requirements, and feature a multi-tenant architecture for scalable and flexible deployment.

We hire in Kraków, Wroclaw, and Warsaw only. You can choose the type of work: hybrid/remote/office.

YOUR ROLE

• Design and evolve the overall architecture of the existing solution, ensuring scalability and maintainability with a focus on Spring and Kubernetes;
• Develop, maintain, and improve features for an existing solution, particularly with technologies like PostgreSQL, Prometheus, and Grafana;
• Investigate, debug and resolve software defects;
• Follow clean code principles to write concise code;
• Conduct code reviews to ensure that the code is of high quality;
• Design, develop and execute unit and integration tests;
• Write and maintain technical documentation;
• Cooperate with development team and client representatives;
• Convert business requirements into technical requirements;
• Decompose and estimate required functionality;
• Proactively supports other team members and helps them to be successful;
• Taking part in Agile ceremonies (dailies, planning etc).

REQUIREMENTS

• 5+ years of experience working with Java, with a focus on Spring (Spring Boot, Spring Cloud);
• 2+ years of Team leading experience;
• Solid understanding of OOP and experience with Functional Programming and Reactive paradigms;
• Proficient at design patterns;
• Knowledge of architectural patterns;
• Proficient at commonly used data structures and algorithms;
• Proficiency in Microservices, PostgreSQL, Prometheus, Grafana, Keycloak;
• Experience with build tools such as Maven and Gradle;
• Familiarity with commonly used API documentation tools like Swagger or OpenAPI;
• Experience with logging and monitoring techniques;
• Experience with Kubernetes as a user:
• Knowledge of Git branching models and strategies;
• Proficient at authentication and authorization methods;
• Knowledge of OSI model;
• B2+ level of English.

NICE TO HAVE

• 2+ years of experience working with live production systems;
• Experience with Mosquitto;
• Knowledge of Amazon RDS, AWS ELB.

WE OFFER

• Flexible work schedule;
• Private healthcare insurance - LuxMed (extended gold package for parents & kids);
• Multisport card;
• Workation;
• Financial bonuses for significant life events (wedding, birth of a child);
• Compensation of professional training: courses, seminars, trainings (it is decided for each person individually if the whole thing or a part of it will be covered);
• Author's right (for those who write the code).

At Klika Tech you'll be part of a culture built on respect and collaboration - one that recognizes the unique talents and strengths of everyone on the team. We're proud of the differences that make us all unique and we support unity, acceptance and equal rights for all. Diversity and inclusion among our employees are critical to our success as a global company. Klika Tech is proud to be an equal opportunity employer.