Senior Java Developer (Fintech)

TL;DR

Senior Java Developer (Fintech): Developing microservices-based banking platform for mobile apps and a web admin panel with an accent on secure integrations, API design, and scalability. Focus on implementing DDD principles, managing asynchronous processes with queues, and ensuring high code quality and observability.

Location: Remote from Kazakhstan

Company

hirify.global is an outsourcing company cooperating with leaders in various industries like FinTech, Healthcare, Retail, and Telecom.

What you will do

• Develop microservices in Java 17+ and Spring Boot 3.x following DDD principles and designing APIs.
• Work with OpenAPI and contract-first interaction, creating and maintaining specifications.
• Implement integrations and infrastructure components using PostgreSQL, ClickHouse, Redis, S3/MinIO, and asynchronous processes.
• Containerize services with Docker, understand Kubernetes, and participate in CI/CD with GitLab Pipelines and security scans.
• Write unit tests with JUnit 5 and ensure service observability with Spring Actuator, metrics, logging in ELK, and distributed tracing.
• Optimize performance and scalability through profiling, query optimization, and caching.

Requirements

• Commercial experience with Java 17+ and Spring Boot 3.x for 5+ years.
• Experience with Keycloak for 3+ years, Kafka for 2+ years, and gRPC for 1+ years.
• Experience developing products in banking/fintech and building backend projects from scratch.
• Strong understanding and practical application of DDD, microservice architecture, RESTful APIs, OpenAPI, and Spring Cache.
• Proficiency with PostgreSQL, ClickHouse (basic query level), Redis, Docker, Kubernetes concepts, and GitLab Pipelines for CI/CD with security scans.
• Experience writing unit tests with JUnit 5, working with feature flags, and configuring observability tools (Spring Actuator, Prometheus, Grafana).
• English: Intermediate+ required.

Culture & Benefits

• Opportunity to work with leaders in FinTech, Healthcare, Retail, and Telecom sectors (Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems).
• Professional, financial, and career growth with mentoring and adaptation systems.
• Access to a corporate training portal, certification compensation (AWS, PMP, etc.).
• English courses, private health insurance, and compensation for sports activities.
• Vibrant corporate life including parties, pizza days, PlayStation, fruits, coffee, snacks, and movies.
• Referral program.