Kotlin/Java Developer (Integration)

Job Responsibilities

• Developing new payment integrations and services;

• Automating and optimizing integration processes;

• Analyzing external provider documentation, conducting rapid checks, and defining epics and tasks based on Proof of Concept;

• Participating in the design and development of high-load system architectures;

• Supporting and improving existing solutions and services;

• Writing high-quality, test-covered code (unit tests, integration tests);

• Conducting code reviews;

• Optimizing system performance and database queries;

• Analyzing and resolving production incidents and bugs;

• Processing and resolving requests from technical support and users as part of daily duties;

• Collaborating with the QA team to ensure the high quality of delivered products;

• Using AI-tools to accelerate delivery of integration modules and creating internal tools to generate integration code from business requirements;

• Maintaining technical documentation and writing technical specifications;

• Assisting in onboarding new developers and ensuring code quality;

• Definition and formation of technical epics — analyzing existing solutions, identifying opportunities to improve system architecture, performance, and reliability, preparing improvement proposals, and aligning them with the team lead and architect;

• Participation in the creation of business epics — analyzing requirements, assessing feasibility, and proposing alternative or optimized solutions based on technical expertise; collaborating with analysts and product managers to determine the best implementation approach;

• Preparing tasks based on approved epics, ensuring proper detailing and alignment with architectural and business requirements;

• Estimating task completion timelines, participating in sprint planning, and providing accurate technical time and effort estimates.

Job requirements

• 3+ years of commercial development experience with Kotlin (Java will be a plus);

• Experience working with the Spring Framework;

• Experience developing and integrating payment solutions (billing, payment gateways, and payment processors);

• Practical experience integrating with external payment providers;

• Experience designing and optimizing relational databases (MySQL);

• Experience with NoSQL databases (Redis);

• Practical experience using AI-assisted coding tools (Copilot, ChatGPT, Codeium, etc.) to improve speed and quality of development;

• Ability to critically review AI-generated code, ensuring production-ready quality and compliance with company standards;

• Knowledge of Event-Driven Architecture principles and experience with distributed messaging systems (e.g., Apache Kafka);

• Excellent command of core software development and design principles, test-driven development (TDD), and CI/CD processes;

• Solid understanding of microservice architecture;

• English proficiency level B1 or higher.

Preferred Qualifications:

• Experience with Camunda (creating and supporting processes);

• Solid understanding of PCI DSS standards, ISO 27001, and other information security methodologies;

• Practical experience working with AWS;

• Experience with Jira and GitLab CI/CD;

• Experience in designing or developing internal tools that automate or accelerate integration development (e.g., generators based on business requirements).

Conditions:

• We know that great talent deserves great conditions, so here's what you can expect when joining us:

• EU-based employment contract and a 3-year Cyprus work visa with full support for your relocation and visa processes, including assistance for your family.

• Full relocation package: flights to Limassol for you and your family, a company-covered apartment for the first month, and full relocation support to make your move smooth and hassle-free.

• Transparent performance reviews twice a year, with bonus opportunities and salary adjustments.

• Private medical insurance for you and your family, a corporate mobile plan (unlimited in Cyprus with roaming included), and interest-free support for car purchases.

• Mindfulness & well-being support, including psychological assistance with 50% coverage.

• 50% coverage of school and kindergarten fees for your children.

• Fully covered sports benefits, and also access to in-house electric scooters and bike rentals, and cycling purchase compensation.

• Investment in your growth: paid language courses and access to suited-for-you development programs, including conferences, training programs, and coaching to support your professional journey.

• A culture of recognition: a peer reward program to celebrate your contributions.

• A fully equipped office in Limassol’s city center, with everything you need for deep work and collaboration.

• Free catering in the office and an in-house coffee bar with high-quality drinks and a health bar stocked with nutritious snacks.

• A strong engineering culture: international teams, corporate events, team buildings, and hackathons—because great work happens in great communities.