Java разработчик

Mayflower develops a payment gateway that facilitates fund acceptance from users on behalf of merchants and manages fund transfers from merchants to users. The system stores sensitive user payment data and adheres to PCI DSS compliance, featuring multiple integrations with payment systems, providers, and processors.

• Develop new payment features and services;
• Process and resolve requests from technical support and users;
• Design and implement external and internal APIs;
• Create and maintain processes in Camunda;
• Participate in the design and development of high-load system architectures;
• Support and enhance existing solutions and services;
• Write high-quality, test-covered code including unit and integration tests;
• Conduct code reviews;
• Optimize system performance and database queries;
• Analyze and resolve production incidents and bugs;
• Analyze documentation from external providers, conduct quick checks, and define epics and tasks based on Proof of Concept;
• Collaborate with the QA team to ensure product quality;
• Maintain technical documentation and write technical specifications;
• Assist in onboarding new developers;
• Define and form technical epics by analyzing existing solutions and preparing improvement proposals;
• Participate in the creation of business epics by analyzing requirements and assessing feasibility;
• Prepare tasks based on approved epics;
• Estimate task completion timelines and participate in sprint planning.

• 3+ Years of commercial development experience with Kotlin;
• Experience with the Spring Framework;
• Experience in developing payment solutions such as billing, payment gateways, or processors;
• Practical experience integrating with external providers;
• Experience designing and optimizing MySQL databases;
• Experience with Redis;
• Practical experience using AI-assisted coding tools like Claude, Codex, ChatGPT, or Codeium;
• Ability to critically review AI-generated code;
• Knowledge of Event-Driven Architecture and distributed messaging systems like Apache Kafka;
• Understanding of core software development principles, TDD, and CI/CD processes;
• Strong understanding of microservice architecture;
• Nice to have: Experience with Camunda, understanding of PCI DSS standards, ISO 27001, and information security methodologies, practical experience with AWS, experience with Jira and GitLab CI/CD.

• Competitive compensation with a service contract;
• Transparent performance reviews twice a year with bonus opportunities and salary adjustments;
• Annual allowance for home office improvements, sports, or equipment;
• Paid language courses, access to learning platforms, and mindfulness benefit with 50% coverage for psychological support;
• Career growth opportunities in a fast-scaling project;
• Peer reward program.