Senior Java Software Engineer

If you are looking for new challenges that encourages you to continue growing both professionally and technologically, then, Future Connections is the place for you!

Future Connections is a way of understanding technology and the future of telecommunications, by helping network operators and service providers to bridge the gap between legacy and innovative technologies ( Cloud, 5G, Big Data, Machine Learning, among others ). We develop and deliver customized services and products that enhance, strengthen and automate business processes and provide new levels of efficiency thanks to our expert guidance, based on real understanding of the Telco sector, mainly in the planning, design, optimisation and automation of networks.

Besides the technological part, we offer you the opportunity to meet great people (and excellent professionals), to choose your most suitable model of work (hybrid, home or office based) and to keep growing professionally helping the company to grow.

Position Summary

We are seeking a Senior Java Developer to join our team and contribute to the development of ETL processes within telecommunications projects. The role involves working with structured data files from vendors (Ericsson, Huawei, Nokia, etc.), building backend solutions using Spring Boot to parse, transform and load data into internal systems.

Key Responsibilities:

• Design and maintain ETL processes using Java and Spring Boot.
• Parse structured files (CSV, XML, JSON) containing technical network data.
• Implement data transformation and validation logic.
• Integrate processed data into relational databases or distributed systems.
• Collaborate with technical teams to ensure data quality and traceability.

Requirements

• 5+ years of experience in backend development with Java.
• Strong proficiency in Spring Boot and ETL workflows.
• Experience in file parsing and data handling.
• Technical English (minimum B2 level).
• Desirable: experience with Spring Batch, Docker, Kafka, SQL/NoSQL.

Only candidates residing in Spain and with a valid work permit will be considered for this position.

Benefits

• Competitive salary, Health insurance and Flexible Compensation Plan as an enterprise benefit
• Annual training budget to help you stay technologically up to date and grow professionally.
• Time flexibility: our life is not just a working day; we give you flexibility both in entry and exit. In addition, we enjoy a reduced working day on Fridays and Summer (July and August).
• Our projects are cutting-edge in technology and are in both national and international environments, making your growth global.
• We are committed to a flexible working model: hybrid, remote or office-based, you can choose what best suits your personal and professional needs (within Spain).
• Our employee satisfaction survey tell us that we have a great work environment and great professionals in the company. Do you want to check it out? Join us!