Backend Developer
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- Backend Developer
- Limassol
- Development
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Requirements
- 5+ years of experience in backend development of financial systems (fintech, crypto, payment systems);
- Experience in designing and maintaining transactional systems (balances, settlements, funds accounting);
- Experience building scalable and fault-tolerant production services;
- Production experience developing services in TypeScript (Nest.js);
- Experience working with nodes, RPC/REST/GraphQL/gRPC APIs, and integrating with various networks;
- Strong knowledge of PostgreSQL, use of ORMs, and query optimization;
- Experience with testing: unit, functional, and end-to-end;
- Ability to conduct code reviews, plan tasks, and support team development;
- Experience organizing on-call rotations, incident management, and conducting post-mortems;
- Experience working with event-driven architectures (Kafka, RabbitMQ).
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Key responsibilities
- Service Development and Maintenance: building and evolving APIs for merchants and wallets, fee calculation services, and balance and transaction management systems;
- Architecture: contributing to the design and evolution of the payment system architecture, ensuring scalability and fault tolerance of the solutions;
- Optimization: improving the performance and reliability of existing services, eliminating bottlenecks in transactional flows;
- Integrations: collaborating with other domains and external payment systems to ensure stable end-to-end process execution;
- Testing: implementing and maintaining unit, integration, and end-to-end tests; ensuring release quality;
- Databases: working with PostgreSQL, optimizing queries, designing schemas, and performing zero-downtime migrations;
- Observability: implementing and maintaining monitoring, metrics, and alerting; analyzing incidents and improving system stability;
- Incidents & Resilience: participating in on-call rotations, responding quickly to incidents, conducting post-mortems, and implementing corrective actions to prevent recurrences;
- Security: ensuring compliance with security standards when working with financial data; preventing incidents and data leaks;
- Code & Processes: participating in code reviews, documenting technical decisions, and following internal engineering standards and best practices.
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Desirable
- Experience working with fintech or crypto products;
- Experience designing accounting systems;
- Knowledge of principles behind double-entry systems;
- Experience integrating with external payment providers or banks;
- Experience working with observability tools (Prometheus, Grafana);
- Knowledge of CI/CD best practices and release management.
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What we offer
- High salary (plus performance bonuses and salary revision on a regular basis);
- Work schedule: Mon-Fri (9h with 1h lunch break), flexible start 8:00-10:00;
- 24-days holiday leave;
- First line seaview from your office;
- Corporate English lessons;
- GYM and SPA in the office;
- Corporate meals;
- Eventful corporate life;
- Exciting work challenges that allow you to grow to your full potential;
- Strong team of like minded professionals who will be by your side to accomplish ambitious projects, and to stimulate your professional development and bring experience.
International IT
Inktech is an international product software company driving innovation in iGaming, FinTech, and Payments.
Our mission is to deliver cutting-edge software solutions along with comprehensive services in marketing, traffic, and payments for the global market.
Since 2017, we have been growing rapidly, bringing together top talent to achieve outstanding results.
At Inktech, your skills are not only recognised — they're rewarded. Join us to take your career and earnings to the next level.
Related vacancies
Inktech benefits
On the market, we have grown into a profitable and rapidly expanding company with 800+ professionals worldwide
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High salary
We provide a salary that surpasses industry averages to recognise and reward our employees' expertise.
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Company lunches & snacks
We provide a selection of snacks and lunches to ensure access to healthy and convenient meals.
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Wellbeing
We provide access to a gym and offer reimbursement for massage therapy.
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Corporate events
Regular team-building activities such as yacht races, karting, and hiking, often with family members invited to join.
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Mobile communication
Employees receive a corporate SIM card with unlimited calls and mobile data from a local provider.
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Employee assistance desk
At Inktech, we value your focus. Our Office Manager team, available in the office, is here to help with everyday tasks — from finding a reliable kindergarten for your child to sourcing the right food for your allergic cat.
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English classes
Free English tuition is available for all employees, with classes tailored to different proficiency levels.
relocation support