JVM Software Engineer / CT

Inetum; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Tech training & certifications funded

Referral bonuses up to PLN 6,000

Job summary

Inetum Polska is hiring a JVM Software Engineer to build, maintain, and enhance IoT solutions on the Cumulocity platform. You will work with Java, Spring Boot, and microservices, shaping secure, scalable software aligned with business needs.

You will collaborate with architects, lead technical scopes, and contribute to CI/CD implementations while documenting solutions and mentoring new developers. The role supports hybrid work in Poland and offers ongoing professional development.

Qualifications

• Proficient in Java (Spring Boot, JPA) with microservices and SOA/cloud architectures.
• Experience with RESTful APIs and messaging systems (e.g., RabbitMQ, Kafka).
• OAuth and RBAC knowledge; PostgreSQL, MongoDB, Redis exposure.

Responsibilities

• Develop and maintain IoT solutions on the Cumulocity platform.
• Design software components aligned with business needs and security best practices.
• Support and optimize existing IoT applications for performance and scalability.
• Contribute to CI/CD pipelines and automation.
• Collaborate with architects; lead functional/technical scopes.
• Produce technical docs and mentor new developers.

Skills

Java

Spring Boot

Microservices

SOA/cloud architectures

English communication

Tools

Docker

Kubernetes

Azure DevOps

Git

SonarQube

Job description

Company Description

Inetum Polska is part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow, Lodz the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.

• Consulting (Inetum Consulting): Strategic advisory services that help organizations define and implement innovative solutions.
• Infrastructure and Application Management (Inetum Technologies): Designing and managing IT systems tailored to clients’ individual needs.
• Software Implementation (Inetum Solutions): Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.
• Custom Software Development (Inetum Software): Creating unique software solutions to meet specific client needs.

With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.

Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here's what makes working at Inetum unique:

Flexible and hybrid work:

• Flexible working hours.
• Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.

Attractive financial benefits:

• A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
• Generous referral bonuses, offering up to PLN6,000 for referring specialists.
• Additional revenue sharing opportunities for initiating partnerships with new clients.

Professional development and team support:

• Ongoing guidance from a dedicated Team Manager for each employee.
• Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

Community and Well-Being:

• Dedicated team-building budget for online and on-site team events.
• Opportunities to participate in charitable initiatives and local sports programs.
• A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

Job Description

We're looking for a JVM Software Engineer to join our team. In this role, you'll be instrumental in developing, maintaining, and enhancing IoT solutions built on the Cumulocity platform. If you have a strong background in Java, microservices, and a desire to work with cutting-edge IoT technologies, we encourage you to apply!

Main tasks:

• Develop and configure IoT applications primarily based on the Cumulocity platform (Administration, Device Management, Cockpit).
• Design and implement software components that align with business needs, company standards, and security best practices.
• Support and maintain existing IoT solutions, focusing on performance, scalability, and code quality.
• Contribute to the implementation and maintenance of CI/CD pipelines.
• Participate in software architecture design discussions, collaborating closely with architects.
• Lead functional or technical scopes within the team, promoting best practices and fostering a culture of excellence.
• Produce comprehensive technical documentation and actively share knowledge with the team.
• Support the recruitment and onboarding of new developers.

Qualifications

• Strong proficiency in Java (Spring Boot, Java Persistence API) with significant experience in microservices (multi-tenant) and SOA/cloud architectures.
• Foundational understanding and practical experience with Docker, Kubernetes, Azure DevOps, Git, and SonarQube (user-level knowledge for development purposes).
• Experience with RESTful APIs and queue/event-based communication (e.g., RabbitMQ, Kafka, ActiveMQ, Azure Service Bus, or Azure IoT Hub). Familiarity with web services (REST, OpenAPI specification) and device protocols (HTTP).
• Understanding and practical application of OAuth and RBAC.
• Experience with PostgreSQL, MongoDB, and Redis.
• Proficiency in JUnit and Mockito.
• Good command of technical and professional English.
• Experience working within Agile methodologies (SCRUM).

Nice to have requirements:

• Direct experience with Cumulocity (Administration, Device Management, Cockpit).
• Familiarity with MQTT, CoAP, TALQ.
• Other programming languages: knowledge of Node.js, Python, C++.
• Experience with Vitest, Jest.
• Knowledge of LAN / LPWAN wireless technologies (e.g., NB-IoT, LoRaWAN).