Senior Java Backend Developer Porto

Senior Java Backend Developer
Porto
Porto, Porto District, Portugal

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Our client is a global professional services company that offers a wide range of solutions in business strategy, consulting, digital, technology, and operations. The company works with clients across various industries, including healthcare, insurance, banking, retail, telecommunications, energy, transportation, and manufacturing, to help them transform their businesses and achieve their goals and is recruiting a Senior Java Backend Developer, to be part of an agile Software Development Team, responsible for the full lifecycle of an application using
- edge technologies to deliver amazing value to the customers. This person will scale their platform to meet the demands of worldwide markets, from developing flowcharts, layouts, and documentation to supporting the Product Owner with requirements and the team with solutions. This person will also develop unit, component, and integrated tests with the guidance of the team's QA, executing the full software development lifecycle.

Key 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
  - 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.

Requirements

• Proven experience with
  - 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 Dev
  Ops practices;
• Strong knowledge of microservices architecture and asynchronous communication;
• Up-to-date with the latest industry trends and technologies, including Kubernetes, Prometheus, AWS, No
  SQL databases, and messaging systems;
• Excellent communication skills and the ability to articulate technical concepts clearly;
• Leadership and mentorship abilities;
• Strong
  - solving skills, attention to detail, and a continuous learning mindset.

Key Skills:

• Experience with
  - critical applications: Enterprise distributed systems and Asynchronous communication;
• Experience with Messaging Systems (Kafka tt’s a Plus);
• Microservices;
• Containerized apps (Kubernetes it’s a plus);
• Proficiency in No
  SQL or SQL Server (know the differences);
• Familiarity with observability and monitoring tools (Grafana experience and Prometheus experience).