MisuJob - AI Job Search Platform MisuJob

Middle Java/Kotlin Developer (Cloud Development Department)

Ajax

Kyiv permanent

Posted: April 1, 2026

Interested in this position?

Create a free account to apply with AI-powered matching

Quick Summary

We are seeking a highly skilled developer to join our Cloud Development Department in Kyiv, a leading provider of security systems, with a successful team of thousands of developers and over 4.5 million users in Europe. The successful candidate will be responsible for designing and developing secure and scalable cloud-based systems, with a focus on video surveillance, threat detection, and customer support. The ideal candidate will have a strong background in Java and Kotlin programming languages and experience with cloud-based technologies such as AWS and Azure.

Job Description

Ajax Systems — міжнародна технологічна компанія і найбільший у Європі виробник охоронних систем. Продуктам Ajax довіряють уже понад 4,5 мільйони кінцевих користувачів і 330 тисяч PRO-користувачів у більш ніж 180 країнах. Компанія пропонує комплексні рішення для захисту житлових і комерційних об'єктів різного масштабу. Нині портфоліо Ajax налічує 280 пристроїв для захисту від вторгнення, відеоспостереження, пожежної безпеки та комфорту й автоматизації. Кожного року ми демонструємо кратне зростання як у чисельності команди, так і в кількості користувачів у всьому світі.

System Department робить пристрої розумними, перетворюючи їх на повноцінний IoT. Вони створили й розвивають OS Malevich (модульна RTOS для різних апаратних платформ) і хмарний сервіс Ajax Cloud (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Для керування, обслуговування та моніторингу системи користувачами, інсталяторами й інженерами охоронних компаній розроблені додатки для iOS (Objective-C, Swift), Android (Java, Kotlin), Windows/macOS (Python / C++, QT, QML)

Responsibilities:

Core Development

• Design and implement core backend services and data pipelines

• Write clean, readable, and maintainable code

• Develop services for the B2B product line

Architecture & Documentation

• Participate in designing and improving system architecture

• Document architectural decisions and operational processes to support reliable deployment and service operations

Quality Assurance

• Ensure proper test coverage (unit and integration tests)

• Optimize performance and cost efficiency within owned areas

• Follow and promote best practices in software design and development

Operations & Monitoring

• Set up and maintain alerting, dashboards, and runbooks for production services

• Debug production issues, analyze complex cases, and conduct investigations

Collaboration & Culture

• Work in an engineering culture focused on testing, Continuous Delivery, and DevOps

• Collaborate with team members and other engineering teams to deliver features aligned with business needs

Requirements:

Required Experience

• 3+ years of professional backend development in Java (enterprise environment)

• Hands-on experience with Kotlin

• Strong understanding and practical experience with Java Concurrency

Architecture & Design

• Understanding of SOA, microservices, and event-driven architecture

• Practical experience with AWS and cloud development principles

• Experience building scalable, high-availability systems

Technologies & Tools

Required:

• Experience with NoSQL databases

• Experience with message brokers

• Familiarity with enterprise-grade stack (messaging systems, in-memory storage, key-value databases)

• Docker and Kubernetes

• Git, Gradle, Jenkins

Nice to Have:

• Redis, Netty, Akka

• gRPC, Project Reactor

• NATS, Kafka

• MongoDB

Testing & Quality

• Strong knowledge of unit testing

• Understanding of automated testing practices

What You Will Get

• Opportunity to propose and implement your own ideas with a real impact on the product and production

• Work in a highly motivated team with a zero-bullshit culture

• Competitive salary

• Health insurance

• Corporate English classes

• Compensation for professional development and learning

• Opportunity to participate in beta testing of Ajax security systems — get early access to and test new devices before their official release.


Ajax Systems — це українська історія успіху, місце неймовірної сили та енергії.
Долучайтеся, щоб зробити Made in Ukraine 🇺🇦 синонімом надійності.

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply