Senior Java Backend Engineer Fintech, Cloud, Microservices

Komodo Consulting; Lisboa; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Komodo Consulting in Portugal is seeking a Senior Java Backend Developer to join an agile development team. You will own backend services and APIs, help scale the platform across markets, and collaborate with the Product Owner to refine requirements.

You will design well-structured code, create documentation, write tests, participate in code reviews, and stay current with industry trends. Hybrid work in Lisbon and other cities is offered.

Qualifications

• Proven experience with mission-critical Java applications, particularly in the banking and finance sectors.
• In-depth understanding of the software development lifecycle and agile methodologies.
• Proficiency in relational databases, including knowledge of indexes, optimization, and ACID properties.
• Hands-on experience with Apache Kafka, including detailed knowledge of offsets, brokers, partitions, and consumer groups.
• Familiarity with modern observability and monitoring tools such as Grafana, ELK stack, and Datadog.
• Experience with cloud platforms, containerization technologies, CI/CD pipelines, and DevOps practices.
• Strong knowledge of microservices architecture and asynchronous communication.
• Up-to-date with the latest industry trends and technologies, including Kubernetes, Prometheus, AWS, NoSQL databases, and messaging systems.
• Excellent communication skills and the ability to articulate technical concepts clearly.
• Leadership and mentorship abilities.
• Strong problem-solving skills, attention to detail, and a continuous learning mindset.
• English C1

Responsibilities

• Develop and maintain backend services and APIs using Java and related technologies.
• Collaborate with the Product Owner to gather and refine requirements.
• Design and implement well-structured, testable, and efficient code to solve business needs.
• Create flowcharts, layouts, and documentation to support the development process.
• Develop unit, component, and integrated tests in collaboration with the QA team.
• Deploy applications in a Continuous Integration (CI) platform.
• Test and document implemented solutions to ensure high quality and maintainability.
• Participate in code reviews and provide constructive feedback to team members.
• Stay updated with the latest industry trends and best practices in backend development.

Skills

Java

Microservices

Leadership

English (C1)

Agile methodologies

Communication

Problem solving

CI/CD pipelines

Tools

Apache Kafka

Grafana

ELK stack

Datadog

Kubernetes

Prometheus

AWS

NoSQL databases

Job description

Komodo Consulting in Portugal is seeking a Senior Java Backend Developer to join an agile development team. You will own backend services and APIs, help scale the platform across markets, and collaborate with the Product Owner to refine requirements.

You will design well-structured code, create documentation, write tests, participate in code reviews, and stay current with industry trends. Hybrid work in Lisbon and other cities is offered.