Senior Java Backend Developer – Omnichannel Retail

Location: Lisbon, Portugal (Hybrid – 3 days onsite per week)

Contract: Initial 6-month contract with a strong possibility of extension

About the Rol

We are looking for an experienced Senior Java Backend Developer to join a strategic omnichannel retail transformation project. You will play a key role in designing and developing integrations between e-commerce platforms and physical retail operations, helping deliver seamless customer experiences across digital and in-store channels.

Key Responsibilities

• Design, develop and maintain scalable backend services using modern Java technologies.
• Build and support integrations between e-commerce platforms, OMS solutions and retail systems.
• Develop and maintain microservices‑based architectures.
• Create and optimize RESTful APIs for internal and external integrations.
• Collaborate with busines...