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Java Developer (Consulting services)

Poland

Company Background

Our client is a family of companies that takes a people-first approach to financial services, using technology to empower consumers to overcome debt and create a brighter financial future. With over 2,000 employees across offices in San Mateo, CA and Tempe, AZ, the company is committed to delivering transformative solutions in the fintech space.

Project Description

The project is a greenfield initiative in the mortgage domain focused on building a modern, scalable platform that integrates AI-driven decision-making, high-throughput data processing, and robust backend services. The system will manage end-to-end workflows related to loan processing and customer engagement, integrating with both internal and external APIs. The goal is to enable efficient, real-time processing of lead data, AI-powered enrichment, and seamless communication across services through a highly observable and maintainable architecture.

Technologies

  • Java 21
  • Spring Boot 3.5
  • PostgreSQL
  • Firestore (NoSQL)
  • Kafka
  • RabbitMQ
  • REST APIs
  • Docker
  • Kubernetes
  • Terraform
  • Jenkins
  • GitHub Actions

What You'll Do

  • Design, develop, and maintain backend services using Java 17+ and Spring Boot 3.5;
  • Build and maintain microservices that support core loan processing features;
  • Integrate with internal and third-party REST APIs, including AI tools for lead scoring, enrichment, and matching;
  • Implement data validation, normalization, and enrichment processes;
  • Ensure service reliability and observability through structured logging, metrics, and tracing;
  • Collaborate closely with architects, DevOps, and data engineering teams on backend architecture and system integration;
  • Support CI/CD pipelines and infrastructure automation using Docker, Kubernetes, and Terraform;
  • Participate in code reviews, sprint planning, retrospectives, and technical discussions;

Job Requirements

  • 3+ years of experience as a Java Developer;
  • Proficiency in Java 17+ and Spring Boot;
  • Hands-on experience with PostgreSQL and/or NoSQL databases (e.g., Firestore);
  • Experience with message brokers such as Kafka or RabbitMQ;
  • Understanding of RESTful API design and API integration best practices;
  • Familiarity with CI/CD practices, containerization, and infrastructure-as-code;
  • English proficiency at B1+ level or higher (spoken and written);
  • Strong communication skills, collaborative mindset, and willingness to work in an Agile team environment;

What Do We Offer

The global benefits package includes:

  • Technical and non-technical training for professional and personal growth;
  • Internal conferences and meetups to learn from industry experts;
  • Support and mentorship from an experienced employee to help you professional grow and development;
  • Internal startup incubator;
  • Health insurance;
  • English courses;
  • Sports activities to promote a healthy lifestyle;
  • Flexible work options, including remote and hybrid opportunities;
  • Referral program for bringing in new talent;
  • Work anniversary program and additional vacation days.

09/25/2025

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