Kotlin/Java Developer (Fintech)

TL;DR

Kotlin/Java Developer (Fintech): Developing a payment gateway for merchants and users with an accent on PCI DSS compliance and integration with payment providers. Focus on building high-load system architectures, optimizing database queries, and implementing secure payment features using Camunda and Kafka.

Location: Remote

Company

hirify.global develops secure payment infrastructure and gateways for efficient fund transfers between merchants and users.

What you will do

• Develop new payment features and design both internal and external APIs.
• Implement and maintain business processes using Camunda 8.
• Contribute to the design and optimization of high-load system architectures and database queries.
• Ensure system security and maintain strict compliance with PCI DSS standards.
• Collaborate with QA and product managers to define technical epics and implementation approaches.
• Write test-covered code and conduct code reviews, including frontend components.

Requirements

• 3+ years of commercial development experience with Kotlin and Spring Framework.
• Proven experience in developing payment solutions such as billing, gateways, or processors.
• Proficiency in MySQL, Redis, and Event-Driven Architecture using Apache Kafka.
• Ability to use AI-assisted coding tools (Copilot, ChatGPT, Codeium) to improve development speed and quality.
• Experience implementing basic interfaces using ReactJS and/or Svelte.
• English proficiency level B1 or higher.

Nice to have

• Experience with Camunda process orchestration.
• Solid understanding of ISO 27001 and information security methodologies.
• Practical experience working with AWS infrastructure.
• Experience with Jira and GitLab CI/CD.

Culture & Benefits

• Full remote work arrangement.
• Competitive compensation via service contract with semi-annual performance reviews and bonuses.
• Annual allowance for home office improvements, sports, and equipment upgrades.
• Investment in growth through paid language courses and learning platforms.
• Mindfulness benefit, including 50% coverage for psychological support.
• Peer reward program and opportunities to influence technical decisions in a fast-scaling project.

Hiring process

• HR interview (40 min).
• Interview with hiring managers (1.5 hours).
• Technical test task.
• Optional final interview and recommendations check.