KLANIK

www.klanik.com

3 Jobs

565 Employees

About the Company

KLANIK is a consulting company specialized in IT Engineering which accompanies its partners in their digital and technological projects.

In 2011, Johan GUEDJ creates KLANIK with the will to renew the place of the engineer in the consulting companies, by positioning him as an actor of the influence and the development of his company.

KLANIK now counts more than 800 talents, working in 12 agencies in Europe, North America, Africa and the Middle East. Experts involved in strategic projects thanks to their high level of competence in our 7 technological verticals :

# Software
# DevOps & Cloud
# Agile
# Project Management
# Infrastructure
# Cybersecurity
# Data

As a consulting company with a global positioning and targeted expertise, we are involved in large-scale projects supporting the digital transformation of major national and international players.

Its "People Centric" model is based on ACT'IN KLANIK, an internal commitment program allowing each employee to get involved in transversal subjects, according to his passions, skills or knowledge.
In parallel to their jobs, the KLANIK group's employees are thus accompanied on a daily basis in their personal and professional development, via various engaging and innovative initiatives:

PRACTICES - Cells of experts invested in community animation, training of other Klanik consultants and the realization of exclusive projects
KONSCIOUS - An internal team committed to the development of our CSR policy, to respond to the main ecological, social and environmental issues
KAMPUS - A Qualiopi certified technical training institute
KORNER - An incubator for technological start-ups
KLANIK ESPORT - A professional esport club open to employees

In 2023, Klanik was ranked at the 3rd position for HappyAtWork World in its category!

To find out more about how KLANIK processes your data in the context of its recruitment activities, go to: https://bit.ly/3Epvf1c

Listed Jobs

Company Name: KLANIK
Job Title: Développeur back-end Java (H/F)
Job Description: **Job Title** Java Back‑End Developer (M/F) **Role Summary** Senior Java back‑end developer responsible for designing, building, and maintaining high‑performance real‑time applications for a major aerospace client. Works within a Kanban team on critical, data‑intensive projects, focusing on Big Data processing, cloud migration, and real‑time data streams. **Expactations** - Deliver robust, scalable back‑end solutions using Java 17+. - Optimize big‑data pipelines (Spark, Hadoop) and database operations (MongoDB, BigQuery). - Support migration to Google Cloud Platform and ensure seamless data integration via Kafka. - Participate in incident resolution, performance tuning, and continuous improvement initiatives. **Key Responsibilities** 1. Design, develop, and maintain Java 17+ back‑end services and APIs. 2. Implement and optimize Big Data workflows (Spark, Hadoop) and storage layers. 3. Integrate real‑time data streams with Kafka; manage data pipelines from ingestion to processing. 4. Lead or support migration efforts to Google Cloud Platform and configure cloud services. 5. Ensure code quality, performance, and reliability through unit, integration, and load testing. 6. Collaborate closely with Tech Lead and Product Owner to align development with business objectives. 7. Monitor application performance, analyse incidents, and apply remediation via Grafana, Control‑M, or other monitoring tools. 8. Contribute to continuous improvement of processes, tooling (Git, Nexus, Bamboo), and documentation. **Required Skills** - 5–10 years of Java back‑end development experience; strong command of Java 17+ fundamentals. - Deep expertise in Spark, Hadoop, and large‑scale data processing. - Proficiency with MongoDB, BigQuery, and other NoSQL/analytical databases. - Hands‑on experience with Google Cloud Platform services (Compute Engine, Cloud Storage, BigQuery, etc.). - Solid knowledge of Kafka for real‑time data streaming. - Familiarity with CI/CD pipelines (Git, GitActions, Nexus, Bamboo). - Experience with distributed, scalable architecture design. - Bonus: Control‑M, Grafana, monitoring, and alerting tools. - Excellent problem‑solving, communication, and teamwork abilities. **Required Education & Certifications** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field. - Relevant certifications (e.g., GCP Professional Cloud Architect, Cloudera Certified Associate Big Data, Oracle Certified Professional Java) are a plus.

Company Name: KLANIK
Job Title: Développeur Full stack Java/React
Job Description: **Job title:** Full Stack Java/React Developer **Role Summary:** Deliver and maintain features for legacy and new hexagonal‑architecture applications using Java, Spring Boot, Hibernate and React. Engage on a feature team, mentor junior developers, enforce quality standards, and continuously improve technical practices. **Expectations:** - Demonstrate rigorous coding discipline with automated tests. - Provide constructive feedback to peers and support skill growth. - Identify and resolve application, JVM, and system performance issues. **Key Responsibilities:** - Develop front‑end and back‑end features following TDD. - Mentor and advise less experienced developers on design, coding standards, and technology use. - Diagnose failures and performance problems across production and non‑production environments. - Enforce and implement security recommendations from the team. - Participate in technical workshops and knowledge‑sharing sessions internally and across teams. **Required Skills:** - Strong proficiency in Java, Spring Boot, Hibernate, and Oracle Database. - Expertise in React (JavaScript/TypeScript) for client‑side implementation. - Experience with TDD, BDD, and Domain‑Driven Design principles. - Familiarity with Kafka, RabbitMQ, Elasticsearch, ZK, Drools, MyBatis, and PostgreSQL is a plus. - Proven experience in Agile development environments. - Excellent problem‑solving, communication, and collaboration abilities. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Engineering or a related technical field (equivalent). - Relevant Java/Spring or equivalent certifications preferred but not mandatory.

Lyon, France

On site

04-02-2026

Company Name: KLANIK
Job Title: Développeur JAVA (H/F)
Job Description: **Job title:** Java Developer (H/F) **Role Summary:** Design, develop, and maintain high‑performance Java applications across multiple client projects. Participate in all phases of the software development lifecycle, ensuring code quality, security, and scalability. **Expactations:** - Deliver clean, well‑tested Java code within sprint time‑boxes. - Maintain and evolve existing applications for reliability and performance. - Engage in code reviews, debugging, and incident resolution. - Collaborate with cross‑functional teams (architecture, QA, Ops). - Adhere to Agile practices and contribute to continuous improvement. **Key Responsibilities:** - Design and implement technical solutions in Java (Java 8+). - Develop and maintain Spring Boot, Spring MVC, and Hibernate components. - Create and manage RESTful APIs and SOAP services. - Write unit and functional tests; participate in test strategy definition. - Perform code reviews, enforce coding standards, and refactor for maintainability. - Provide technical support and troubleshoot production incidents. - Document architecture, design decisions, and API contracts. **Required Skills:** - Proficiency in Java (OOP, JDK 8+). - Strong knowledge of Spring framework (Boot, MVC) and Hibernate. - Experience with relational databases (MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra). - API design and implementation (REST, SOAP). - Version control (Git, GitLab) and IDEs (IntelliJ, Eclipse). - Familiarity with Agile methodologies (Scrum, Kanban). - Good understanding of secure coding practices and performance tuning. **Required Education & Certifications:** - Master’s or equivalent graduate degree in Computer Science, Software Engineering, or related field. - Minimum 5 years professional experience as a Java Developer in complex technical environments. - Certifications such as Oracle Certified Professional, Java SE, or Spring Professional are a plus.