HumanIT Digital Consulting

Java Backend Developer (start with 1/2 days/week in office to 1/month) - Lisbon Portugal

HumanIT Digital Consulting  •  Lisbon, PT (Onsite)  •  1 month ago
Expired
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Job Description

ABOUT THE OPPORTUNITY

Join a leading international technology-driven organization operating at large scale across multiple countries, delivering mission-critical systems that power millions of daily transactions. You will be part of a high-impact engineering environment where software directly supports real-world logistics operations, ensuring performance, reliability, and scalability. This is an opportunity to work on complex distributed systems and contribute to products used by millions of users every day.

PROJECT & CONTEXT

You will contribute to the development and operation of core backend systems powering large-scale logistics and distribution platforms. These systems handle high-volume data processing and real-time operations. Working within a distributed international team, you will be involved across the full DevOps lifecycle—from design and implementation to deployment and monitoring—building microservices-based architectures in a cloud environment. Agile methodologies and close collaboration with cross-functional stakeholders are key to delivering impactful digital products.

WHAT WE'RE LOOKING FOR (Required)

  • Bachelor's or Master's degree in Computer Science, Engineering, Mathematics, Physics, or similar
  • Professional experience in backend software development
  • Strong expertise in Java 17+ and Spring Framework (Spring Boot)
  • Experience designing and developing RESTful APIs
  • Hands-on experience with message brokers/streaming platforms (Kafka, RabbitMQ, or AWS SQS)
  • Solid knowledge of SQL databases, particularly PostgreSQL 13+
  • Experience with CI/CD tools such as Jenkins and Ansible
  • Practical experience with AWS Cloud services (EC2, S3, RDS, Lambda)
  • Familiarity with Docker and Kubernetes for containerization and orchestration
  • Experience working in Agile/Scrum environments
  • Strong communication skills in English (B2+ minimum)

NICE TO HAVE (Preferred)

  • Experience in logistics, transportation, or high-volume transactional systems
  • Knowledge of microservices architecture patterns and distributed systems design
  • Exposure to infrastructure as code (IaC) practices
  • Experience with monitoring and observability tools (e.g., Prometheus, Grafana)
  • Familiarity with event-driven architectures
HumanIT Digital Consulting

About HumanIT Digital Consulting

At HumanIT, we don’t just match projects with people—we build dynamic teams that transform ambitious ideas into reality.

Born in Portugal and with over 155 professionals, we offer tailor-made recruitment and nearshore IT services that are efficient, cost-effective, and culturally aligned.

What we do?

Recruitment

Outsourcing

Product & Software

Setup Operations

Also, we believe people are the true driving force behind success! In a world full of numbers, we celebrate individuality. Our culture thrives on collaboration, where diverse talents come together to push boundaries, innovate, and deliver excellence every day.

Get to know us!

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Lisbon, PT
Year Founded
2020
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