Kotlin/Java Developer (Fintech)

TL;DR

Kotlin/Java Developer (Fintech): Building and optimizing a high-load payment gateway for merchant fund processing with an accent on API design, database performance, and PCI DSS compliance. Focus on microservices architecture, integrating complex external providers, and ensuring system reliability under heavy traffic.

Company

hirify.global is a fintech company developing a payment gateway for secure fund processing and merchant integrations.

What you will do

• Develop and maintain new payment features and services.
• Design and implement robust external and internal APIs.
• Optimize system performance and database queries for high-load environments.
• Collaborate on architectural design and define technical epics.
• Ensure system compliance with PCI DSS and other security standards.
• Analyze and resolve production incidents and bugs.

Requirements

• 3+ years of commercial development experience with Kotlin.
• Strong experience with Spring Framework and microservice architecture.
• Proven experience in developing payment solutions or billing systems.
• Practical experience with MySQL and Redis.
• Knowledge of Event-Driven Architecture and messaging systems like Kafka.
• Proficiency in using AI-assisted coding tools for development.

Nice to have

• Experience with Camunda process automation.
• Solid understanding of PCI DSS and ISO 27001 standards.
• Practical experience working with AWS.
• Experience with GitLab CI/CD and Jira.

Culture & Benefits

• Full remote work environment.
• Competitive compensation via service contract.
• Transparent performance reviews twice a year with bonus opportunities.
• Annual allowance for home office, sports, or equipment upgrades.
• Investment in professional development including paid language courses and learning platforms.
• Mindfulness benefit with 50% coverage for psychological support.

Hiring process

• HR interview (40 min).
• Interview with hiring managers (1.5 hours).
• Technical test task.
• Final interview (optional).