Jobs Lviv, Java

PLEASE NOTE that we are searching for candidates who are located in Lviv and are able to visit office in Lviv.

About us:

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content and services. We provide casino, sports betting, platform and payments, and affiliate management to 200 customers worldwide.

But that's not all! We're not just about numbers, we're about people. With a team of over 1000 passionate individuals spread across twelve countries in Europe, Asia, and the US, we're all united by our love for innovation and teamwork.

EveryMatrix is a member of the World Lottery Association (WLA) and European Lotteries Association. In September 2023 it became the first iGaming supplier to receive WLA Safer Gambling Certification. EveryMatrix is proud of its commitment to safer gambling and player protection whilst producing market leading gaming solutions.

Join us on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time.

We are looking for a passionate and dedicated Strong Junior Java Developer to join our team in Lviv!

About the job:
It is a part of EveryMatrix platform that is responsible for collecting, storing, processing and utilizing hundreds of millions of transactions from the whole platform every single day. We develop Business Intelligent solutions, reports, 3rd party integrations, data streaming and other products for both external and internal use. The team consists of 35 people and is located in Lviv. We are looking for motivated, proactive developers willing to learn modern technologies, working in a challenging and fast-paced environment. You will be working in small cross-functional Agile teams responsible for the end-to-end development and component support using the You Build It, You Run It principle.

What You'll get to do:

• Extend and optimize the Rules Engine.
• Collaborate with cross-functional teams to deliver innovative solutions.
• Participate in code reviews and contribute to team knowledge sharing.
• Troubleshoot, debug, and resolve software defects and issues.
• Assist in designing and implementing new features.
• Develop unit and integration tests to ensure software quality.
• Document code, processes, and technical specifications.
• Stay up-to-date with Java best practices and emerging technologies.
• Support deployment and maintenance of applications in development and production environments.
• Participate in Agile ceremonies and contribute to sprint planning and retrospectives.

What You need to know:

• Java Core: Deep understanding of collections, performance tuning, type systems, garbage collection, and exception handling.
• Multithreading & Concurrency: Expertise in managing asynchronous computations and ensuring thread safety.
• HTTP & RESTful Services: Strong experience in developing and consuming RESTful services.
• RDBMS & SQL: Proficiency in writing complex SQL queries and a solid understanding of RDBMS theory.
• Spring Boot: Practical experience with the Spring ecosystem, including a strong theoretical foundation.
• Apache Kafka: Proven experience with Kafka, including both practical application and theoretical knowledge.
• Unit/Integration Testing: Demonstrated ability to write testable code with adequate coverage.

Nice to Have:

• Experience with Docker & Kubernetes.
• Experience with the Google Cloud platform.
• Knowledge of Online Casino/Sports Systems.

Here's what we offer:

• Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
• 3 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance
• Hybrid work schedule is available after the first three months of employment with 80/20 office/home format until the end of 2026. Starting from 2027, the policy will transition to primarily office-based work, with up to 10 work-from-home days per year with manager approval.
• Benefit from two Free Fridays each year, limited to one per quarter.
• Daily catered lunch or monthly lunch allowance. 
• Private Medical Subscription. 
• Access online learning platforms like Udemy for Business, LinkedIn Learning or O’Reilly, and a budget for external training.
• Gym allowance.
• Corporate English lessons.
• Support for New Parents:
• 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old.
• 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.

Our office perks include on-site massages and frequent team-building activities in various locations.

At EveryMatrix, we're committed to creating a supportive and inclusive workplace where you can thrive both personally and professionally. Come join us and experience the difference!

We are looking for a Senior Backend Software Engineer to join the B2B Portals Team working with Raisin, a fintech company operating a digital savings and investment marketplace.

You will contribute to partner-facing platforms that allow banks, brokers, and financial advisors to offer Raisin deposit products to their customers. The team owns the full development lifecycle - from solution design and implementation to deployment and production support.

Responsibilities:

• Develop and maintain backend services using Java and Spring Boot;
• Deliver features from technical design to production rollout;
• Build APIs and integrations for banks and other B2B partners;
• Write unit, integration, and contract tests;
• Investigate production issues using logs, metrics, and traces;
• Conduct code reviews and contribute to engineering standards;
• Improve service performance, security, and reliability;
• Participate in the team’s on-call rotation;
• Mentor engineers and support knowledge sharing;
• Promote the effective and safe use of AI-assisted development tools;
• Collaborate with distributed teams and stakeholders across Europe and the US.

Requirements:

• 5+ years of commercial Java development experience;
• Strong knowledge of Java, Spring Boot, and Spring Data;
• Experience with AWS and cloud-based applications;
• Experience with REST APIs, distributed systems, and service integrations;
• Knowledge of relational databases, preferably MySQL;
• Experience with asynchronous messaging, particularly Amazon SQS;
• Strong testing skills with JUnit and Testcontainers;
• Experience with CI/CD, Docker, and Kubernetes;
• Ability to independently own and deliver backend features;
• Experience debugging production systems;
• Mentoring and code review experience;
• Fluent English.

Nice to have:

• Experience with fintech or banking integrations;
• Knowledge of Pact contract testing;
• Experience with Apache Kafka or Amazon MSK;
• Experience with event-driven systems;
• Experience with OpenTelemetry, Datadog, or Splunk;
• Familiarity with GitLab CI/CD, Harness, Amazon EKS, or Airflow;
• Experience with multi-tenant B2B platforms;
• Practical experience with AI-assisted development tools.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe.

We are looking for a new team member to join our System devisions as a Senior Java Developer.

The System Division is responsible for building and developing the Ajax software ecosystem. The team develops and maintains OS Malevich and the Video Management System, builds scalable cloud infrastructure, and creates client applications for multiple platforms, ensuring that all system components work together as a unified ecosystem.

The division works with Java, Kotlin, Swift, C, C++, and Python. It includes embedded, cloud, mobile, and desktop engineers who ensure the stable operation of Ajax as a single digital platform.

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:

• Actively participate in developing and improving architecture
• Document architectural decisions and operational knowledge for successful deployment and service operations

Quality Assurance:

• Ensure appropriate test coverage with unit and integration testing
• Focus on performance and cost efficiency for areas of responsibility
• Follow best practices in software design and development and promote them within the team

Operations & Monitoring:

• Ensure reliable alerting, dashboards, and runbooks for production services
• Debug production issues, analyze complex cases, and conduct investigations

Collaboration & Culture:

• Work smoothly in a technical culture with testing, CD, and DevOps

• Collaborate within the team and with other engineering teams to develop new features and products according to business needs

   

Requirements:

• Java: 3+ years of professional backend development in enterprise environment
• Kotlin: Knowledge and practical work experience
• Java Concurrency: Strong understanding and practical application experience
• Understanding of SOA, microservice, and event-driven architecture
• Cloud development principles with practical AWS experience

• Ability to scale and ensure high availability of loaded systems

   

Required:

• Any NoSQL database
• Any message broker
• Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)
• Docker and Kubernetes (containerized applications)

• Git, Gradle, Jenkins

   

Nice to Have:

• Redis, Netty, Akka, gRPC, Project Reactor, NATS, Kafka. MongoDB

• Strong knowledge of unit testing and automated test paradigms

   

We offer:

• The opportunity to suggest and implement your own ideas that directly influence the product and its mass production
• A place in a fast-growing company with a motivated and professional team
• Competitive salary
• Medical insurance
• English classes
• The opportunity to participate in Ajax’s internal beta-testing program for security systems
• Discounts from partner companies

• Discounts on Ajax products

   

Ajax Systems is a Ukrainian success story that has grown into a global product. Ajax devices are trusted by more than 4.5 million end users and 330,000 PRO users in over 180 countries. The company provides comprehensive solutions to protect residential and commercial properties of all sizes. Today, Ajax portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation.

Blackthorn Vision is seeking a Middle Strong/Senior Backend Developer (Java) for an outstaff project with a global leader in energy technology. Founded in 1926 and headquartered in Houston, Texas, the company has 100,000 employees serving customers in more than 120 countries and develops software solutions for automation across the energy and industrial sectors.

You will work as part of an international team, collaborating with Blackthorn Vision specialists, client-side engineers, and management. We are looking for a self-driven team player with strong problem-solving skills, a commitment to quality, and a passion for delivering robust and maintainable software solutions. Upper-Intermediate English or higher is required for effective day-to-day communication. The position follows a regular full-time working schedule aligned with the Ukrainian time zone.

In this role, you will build and support backend services that process operational and time-series data and deliver reliable APIs and event-driven solutions. You will work with technologies such as Kafka, Azure IoT Hub, RabbitMQ, Redis, Kubernetes, and Microsoft Azure to develop high-performance, resilient, and scalable applications.

Required Qualifications:

• 4+ years of professional software development experience.
• Strong hands-on experience with Java, Spring Framework, and Spring Boot.
• Basic experience with Node.js and TypeScript.
• Experience with Microservices Architecture, Event-Driven Architecture, and REST APIs.
• Strong understanding of system architecture and business requirements.
• Hands-on experience with Kafka and RabbitMQ.
• Experience with PostgreSQL, Cassandra, Redis, or similar relational/NoSQL databases.
• Experience with Docker, Kubernetes, Microsoft Azure, and Azure IoT Hub.
• Experience with CI/CD, DevOps practices, and modern observability tools.
• Experience using AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, Cursor, or similar.
• Excellent problem-solving, communication, and collaboration skills.

Nice to have:

• Experience working with operational and time-series data.
• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field.

Please note: We are open to considering candidates based abroad; however, cooperation is available only under Ukrainian contracting arrangements.

👨‍💻We invite a Junior/Middle Java or Kotlin Developer to join our team for long-term cooperation. Gransoft develop an international health insurance portal. Our project has become especially important at this time.

▪️Office Location: Uzhhorod

Requirements:

— Strong and confident knowledge of Java or Kotlin, Hibernate, Spring, MySQL

— Experience with any software development 1-5 years

— Experience with Java/Kotlin provides a significant advantage

— An intermediate-level proficiency in English: reading, writing and speaking

— Responsible attitude to the tasks and deadlines

— Work from office only

We offer:

— Interesting and challenging project

— Creative and friendly atmosphere

— Our company policy is to welcome your ideas and suggestions

— An international team of experienced Java/Kotlin developers

— Paid vacations and days off during national holidays

— Flexible work schedule

— 8-hour workday

— Office in Uzhhorod or Gdansk

— Paid English language courses

— The company provides relocation support and, if needed, assists with the moving process and finding accommodation

More details could be given during an interview.

Please include your Telegram username in CV.

Продуктова компанія у пошуку Javа Developer для роботи у Львові.

Продукт, над яким працюватиме спеціаліст, належить до американської корпорації (входить до списку Fortune 500).
Команда займається розробкою рішень для автоматизації та віддаленого моніторингу роботи вітряних турбін, сонячних електростанцій і масивів зберігання електроенергії. Платформа вже забезпечує ефективну роботу понад 60 тис. високопродуктивних турбін по всьому світу.

Гібридний формат роботи: перші 3 місяці — повний офіс у Львові, далі — 4 дні в офісі, 1 віддалено.
Офіс у Львові повністю автономний на випадки непередбачуваних ситуацій.

Актуальні завдання: 

- Проєктування та розробка серверного програмного забезпечення;
- Створення та розробка нових функцій і модулів;
- Оцінка обсягу робіт та проєктів;
- Повідомлення про помилки, їх усунення та підвищення стабільності роботи.

Вимоги: досвід з Java 8, готовність працювати без Spring.
Бажаний досвід з нетворкінгом та оптимізацією коду на Java.

Ми шукаємо  Java Developer, який прагне працювати в динамічному середовищі та розділяє цінності взаємної довіри, відкритості та ініціативності.

ПриватБанк — є найбільшим банком України та одним з найбільш інноваційних банків світу. Займає лідуючі позиції за всіма фінансовими показниками в галузі та складає близько чверті всієї банківської системи країни.

Ми прагнемо знайти цілеспрямованого професіонала, який вміє працювати в режимі багатозадачності, орієнтованого на якість та результат.

Основні обов’язки:

- Проєктування та реалізація мікросервісів і серверної логіки на Java 25 (включаючи Virtual Threads) + Spring Boot 4.x
- Забезпечення актуальності стеку технологій
- Розробка та інтеграція REST та gRPC API відповідно до контрактів, погоджених з командами-споживачами
- Проектування взаємодії з брокерами подій Kafka                       
- Робота з PostgreSQL (Patroni-кластер)
- Робота з кешуванням через Redis (AWS ElastiCache) та RDBMS через AWS RDS — виключно з використанням IAM-аутентифікації без хардкоду credentials 
- Збереження та читання файлів / об'єктів через AWS S3 з IAM-аутентифікацією 
- Забезпечення безпеки сервісу
- Написання unit-тестів (JUnit 5, Mockito) та integration-тестів (Testcontainers або аналогів) з забезпеченням значущого test coverage 
- Моніторинг здоров'я систем, зняття та аналіз дампів пам'яті (memory dumps), стектрейсів потоків та профілювання програм для оптимізації роботи JVM (пам'ять, GC) 
- Конфігурація рішень з урахуванням принципів динамічної конфігурації, кластеризації та балансування мережевого навантаження 
- Забезпечення зворотної сумісності API при розробці та версіонуванні клієнт-серверних рішень

Основні вимоги:

- Вища освіта (бажано технічна)

- 10 років досвіду роботи на аналогічній посаді для рівня Senior

- Знання та розуміння принципів ООП, патернів проектування, принципів інформаційної безпеки

- Досвід роботи з Java 21+, AWS, Spring Boot, Spring Core, Spring Web, SQL, NoSQL, RabbitMQ/Kafka, JUnit, Mockito

 

Своїм співробітникам ми пропонуємо:

- Роботу в найбільшому та інноваційному банку України

- Офіційне працевлаштування та 24+4 календарних дні відпустки

- Конкурентну заробітну плату

- Медичне страхування та корпоративний мобільний зв’язок

- Корпоративне навчання

- Сучасний комфортний офіс

- Цікаві проєкти, амбіційні задачі та динамічний розвиток

- Дружній професійний колектив та сильну команду