Jobs Java

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required skills:

- 5+ years of Java development.

- Strong programming skills with Java

- Experience with OOP/OOD.

- Experience with clustered applications, pooling, connection management, transactions.

- Familiarity with programming specifics like asynchronous I/O, concurrency, distributed web systems and regression.

- A good foundation in algorithms, design patterns, and data structures.

- Experience with unit/functional testing.

- Strong experience with the most of Spring Framework/JDBC, databases (PostgreSQL)

- Strong experience with Javascript and React Framework.

- Maven, Git.

- Strong understanding of RDBMS concepts + SQL.

Will be a plus:

- Familiarity with NoSQL databases like Redis

- Experience with Kubernetes and Nomad

- Experience with AWS services

- Experience with Oracle databases

- Experience with distributed messaging systems, particularly RabbitMQ.

- Experience in application and infrastructure monitoring.

- Proven ability to troubleshoot production problems related to software applications.

- Exposure to high-load systems.

- Good spoken and written English skills.

Company offers:

- Long-term employment.

- Flexible timetable.

- Comfortable working conditions.

- Paid vacation and sick leaves.

- English lessons, gym.

- Competitive salary level.

Ascendix Technologies, founded in 1996, is a global software service company specializing in AI and PropTech. Our core mission is to help our clients get top-notch business results through the smooth automation of processes, leveraging AI solutions, customer-facing apps, and precisely tailored back-office software to meet their distinct needs. Based in bustling Dallas, Texas, we operate across the globe, with strategically positioned teams throughout Europe.  

We are looking for a Java Engineer for a high-traffic, consumer-facing travel platform operating across multiple countries in Europe and beyond.

You will design and develop scalable backend services and APIs that handle millions of requests daily, ensuring performance, reliability, and security. The environment is strongly data-driven, so you’ll collaborate closely with product, data, and DevOps teams to experiment, measure impact, and continuously improve features.

Tech stack centers on modern Java (Spring ecosystem, microservices, cloud-native practices, event-driven architectures). This is a great opportunity to work in an international, engineering-led company where your code directly impacts how people travel every day!

Requirements: 

• 4+ years of proficiency in Java technologies  
• Understanding of APIs and microservices patterns  
• Extensive experience with Java 17, Spring Boot.   
• Proficiency in database theory, SQL, and best practices for No-SQL databases  
• Familiarity with Kubernetes and Spring Boot integration testing  
• Adherence to best engineering practices like SOLID, KISS, DRY, and more  
• Writing efficient code that thrives in concurrent and high-load environments  
• A strong grasp of estimation techniques  
• Exceptional problem-solving skills  
• Upper-intermediate English proficiency 

Would be a plus: 

• Experience in Java 21 
• Experience in DevOps with Terraform and Helm Charts  
• Azure Cloud expertise  
• Knowledge of Redis (Redisson client for Java)  
• Good theoretical and practical MongoDB knowledge. Experience in designing and optimizing database schemas, writing queries, and aggregating. Understanding the specifics of working with NoSQL databases. 
• Kafka 

Responsibilities: 

• Design, develop, test, and maintain robust and scalable backend solutions using Java.  
• Participate in the full software development lifecycle (SDLC), including analysis, planning, implementation, testing, deployment, and support.  
• Collaborate closely with front-end developers, QA engineers, product owners, and other team members to deliver high-quality software solutions.  
• Write clean, maintainable, and well-documented code following best practices and coding standards.  
• Participate in code reviews to ensure high quality and knowledge sharing within the team.  
• Debug and resolve technical issues in a timely and effective manner.  
• Take ownership of assigned tasks and deliver features on time, with minimal supervision.  
• Stay updated on emerging technologies and trends in backend development and proactively apply them where beneficial. 

Ascendix offers you:

Healthcare:

• 20 paid vacation
• 5 paid sickness

Career and professional growth:

• B2B and remote cooperation
• Career development and professional growth
• Technical performance reviews and 360 Evaluation
• Collaboration with a personal Direct Manager, Technical leads, and mentors

Learning and Development:

• Udemy and Pluralsight subscription
• Internal knowledge-sharing opportunities

Corporate spirit:

• Online and offline events & team-buildings
• Friendly and supportive atmosphere
• Open management

Please note

By clicking the “Apply” button for the vacancy, you automatically consent to the processing of your personal data.

We sincerely appreciate each response and the interest you have shown in our job opening. If we do not contact you within a week, it means that, at this moment, your CV has not been selected for further consideration for this position. Nevertheless, we will keep your resume in our candidate database and will definitely inform you if a vacancy that matches your experience becomes available.

About the company

Intela is a product ecosystem with 12 technology products across different domains. One of the directions within the group is a dedicated outstaffing agency that helps our long-term partners build strong engineering teams.

We are currently looking for a strong Java Engineer to join a US-based project in the FinTech space. The platform focuses on monitoring financial market activity, detecting suspicious behavior, and helping organizations ensure transparency and regulatory compliance across financial systems. The product processes extremely large volumes of data and events in real time. 

About the role
We are looking for a Senior Java Engineer with strong experience in data pipelines and database-heavy systems. The engineer will work on backend services and data processing infrastructure responsible for handling extremely large volumes of events and financial data.

This role requires a hands-on engineer who can independently design and architect scalable data processing systems and pipelines.

Responsibilities
• Design and develop backend services using Java
• Architect and implement scalable data pipelines and data processing workflows
• Work with large volumes of structured and unstructured data
• Design reliable data models and database interactions
• Improve performance, scalability, and reliability of high-load systems
• Participate in architecture and technical decision-making

Requirements
• 5+ years of professional software engineering experience
• Strong Java backend development experience
• Experience designing and building data pipelines and large-scale data processing systems
• Strong experience with SQL and database design
• Experience working with ETL processes and data transformation pipelines
• Understanding of distributed systems and high-load architectures
• Experience working with technologies such as Kafka, Spark, Flink, or Airflow is highly desirable
 

Nice to have
• Experience with streaming or event-driven systems
• Experience with cloud environments
• FinTech or high-scale data platform experience

Interview process
• Technical interview with the Intela engineering team
• Technical interview with the client team (includes an AI-assisted live coding session)
• Final conversation with the co-founder

Engagement model
• B2B contract

We are a forward-thinking software development company, known for our proprietary core platform and its integral components — Sportsbook, CRM, Risk Management, Antifraud, Bonus Engine, and Retail Software Suite.

Join our team to be part of pioneering solutions that not only streamline the work of thousands of employees in every department but also significantly boost profits and elevate product quality.
Your role with us is a key part of a team shaping the future of software solutions in an impactful and dynamic environment.

Requirements

• 2+ years of commercial software development using Java-related technologies
• 1+ years of experience in the development of distributed transactional systems and micro-services
• Experience with distributed messaging (RabbitMQ, Kafka)
• Good understanding of ORM and Relational Databases(deep knowledge of Postgres is a plus)
• Follow best practices of coding, code complete standards, OOP and design patterns.
• Understanding of SCRUM methodology
   

Responsibilities

• Play a key role in the implementation of complex tasks.
• Deliver high quality code by establishing best practices like code review
• Identify bottlenecks and bugs
• Optimize performance of SQL queries
   

Nice to have

• Understanding of fundamental design principles of scalable and highly available applications
• Application and infrastructure monitoring experience
• Experience with Kubernetes and AWS services
• Experience with high load systems
   

Working conditions

• Vacation: 22 working days per year.
• Sick leave: 5 paid days per year 100% paid without medical certificate
• Sick leave: 10 days per year 100% paid with medical certificate
• Benefit cafeteria personal limit for health support
   

We would be happy to see you in our team!

We are looking for a Middle Liferay Developer to join a long-term migration project for a US-based client.

The project focuses on transitioning from HCL Digital Experience (DX) to Liferay Portal, migrating multiple brand websites into a unified digital experience platform.

The system will serve ~500,000 users and ~14 million annual sessions.

Expected project duration: 12–18 months
 

Responsibilities

• Develop and customize Liferay modules and components
• Participate in the migration from HCL DX to Liferay
• Work with Service Builder and OSGi modules
• Implement custom client extensions
• Configure workflows, permissions, and security architecture
• Contribute to cloud-native deployment environments
• Collaborate with frontend developers when needed
   

Requirements

• 3–4+ years of experience with Liferay
• Strong Java development skills
• Experience with:
  • Service Builder
  • OSGi modules
  • Workflows
  • Security & permissions architecture
  • Custom client extensions
• Experience with k8s/Docker
• Familiarity with Liferay Commerce
• English: Upper-Intermediate or higher
   

Nice to Have

• React
• TypeScript
• Experience with large CMS migration projects

What you’ll do

• Build high-quality, testable software that meets engineering standards for reliability, performance, and maintainability
• Participate in the full SDLC: code reviews, unit testing, documentation, and deployment processes
• Collaborate within the team and across teams to achieve sprint goals; contribute to solution design and problem solving
• Troubleshoot, debug, and improve existing systems to enhance performance and stability
• Contribute to architecture and system design decisions
• Identify and help address technical debt in a way that supports efficient delivery and service stability
• Participate in Agile ceremonies (daily standups, sprint review/demo, engineering check-ins, etc.)
• Use AI tooling (e.g., Copilot, ChatGPT, Claude) to support development, review, and documentation
• Take ownership of personal productivity and continuously improve team collaboration

What we’re looking for

• 4+ years of experience in web software development
• Strong problem-solving skills, attention to detail, and a learning mindset
• Experience with Server Side Rendering concepts (e.g., Handlebars, Freemarker)
• Deep expertise in responsive HTML/CSS
• Understanding of SEO and Accessibility best practices
• Experience with KnockoutJS and React
• Strong Java skills (Java 11+, OOP)
• Experience with Spring Framework / Spring Boot 3, MVC/MVVM patterns
• Experience with message brokers (Kafka, SNS/SQS)
• Solid understanding of microservices concepts
• SQL experience (PostgreSQL and/or MS SQL)
• Familiarity with Docker, Kubernetes, CI/CD pipelines (GitLab/GitHub)
• Ability to work independently, take initiative, and drive improvements
• English Upper-Intermediate (B2+) and fluent Ukrainian

Nice to have

• Experience with Java-based CMS platforms

Interview process

• Recruiter pre-screen
• Technical interview (up to 90 min)
• Manager interview (up to 45 min)

Please, send your CV with Java and JS experience and telegram link :)

We are looking for a Software Engineer to join our Application Platform team to help us with a cloud migration project for our subsidiaries. Application Platform provides a range of cloud products for product teams in the company, and our goal is to enable our users to derive maximum value from our products in a self-service manner, operating on a ‘You Build it, You Run it’ model. We provide an integrated AWS platform that hosts over one thousand services on EKS and Serverless environments, serving 1 billion viewer requests daily. We manage CI/CD infrastructure hosted on Jenkins & JFrog which hosts over 90 pipelines. Our product teams monitor and observe their applications using Datadog.

Hard skills:
• Working experience in TypeScript with Node.js and Java with Spring Boot.
• Proficiency in working with PostgreSQL.
• In-depth experience with Docker, networking, and Linux servers.
• In-depth knowledge of Amazon Web Services and interacting with their services and API, for example knowledge in some but not all: CDK, Lambda, RDS, ALB, EC2.
• Ability to create and consume REST APIs.

Soft skills:
• Pragmatism with an eye on how to simplify complex systems
• A product mindset
• Ability to drive technical decisions, to explain technical decisions and details at varying levels of abstraction (including other engineers and management)
• Be a mentor and share your knowledge with colleagues

Bonus qualifications:
• Familiarity with Tomcat, .NET, or PHP is a plus.
• Experience with PostGIS is nice to have.
• Being able to read Vue.js code can help with some of the projects.
• An understanding of SOAP helps with migrating some of the legacy services.

Example projects:
• Dockerize an existing service that has production load running on a VPS and deploy the new Dockerized version in a new managed Kubernetes environment.
• Move a PostgreSQL database currently running on a VPS to AWS RDS and migrate data with minimal downtime.

Project language: English
Project start: asap
Project duration: 9 MM - Fulltime 
Location: remote

We’re looking for a Senior Backend Engineer with Java, Python, and Golang skills to join our team.

Our client is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection.

Our team is responsible for the backend part for the main product line  - securing tens of millions of devices across the globe of all kinds of OS (Windows, Linux, macOS), and processing billions of security events every day.

You'll be joining a team with a significant impact on how our customers' environments (incl. 4 of Fortune10 companies, hundreds of Global2000 or governments) are protected, how they interact with agents, gain visibility into their security posture, and understand the risks and act upon them.

What will you do?
Design, develop and support backend system serving for endpoint security
●      Help us with initiatives around moving our services to a new deployment model.
●      Tuning and adjusting our services to work with new CPU architectures.
●      Improving the observability for our services.

• Requirements: 
  5+ years of extensive software engineering experience, including proven expertise in developing large-scale distributed systems and microservices architecture, with a focus on performance, scalability and reliability
• Proficiency in Java
• knowledge of Golang and Python 
• Experience with cloud platforms (AWS and/or GCP) and Kubernetes (must)
• Experience with Kafka or similar solutions is a plus

GD Next is a European group of companies, specialising in KYC, Fraud prevention, financial messaging, and Open Banking solutions. We integrate innovative, modern technologies into the traditional financial sector to strengthen digital banking and enhance the customer experience. By combining proven, market-validated technologies with the expertise of our team and trusted partners across Europe, we deliver real and tangible value to our clients.

We are looking for a Junior Java Software Engineer to join our Open Finance project team. This is a great opportunity for aspiring developers who want to gain hands-on experience in financial technology and grow their expertise in Java development.
The role will also include participation in 24/7 project hotline support on a rotational basis for additional compensation.

Key Responsibilities:

• Develop and maintain backend services using Java and relevant frameworks.
• Assist in implementing solutions that align with OpenFinance and PSD2 standards.
• Support the integration of third-party financial institutions and payment service providers (ASPSPs).
• Work closely with senior developers and the customer project team to gather requirements, participate in design discussions, and contribute to the development process.
• Write and maintain clean, efficient, and well-documented code.
• Participate in code reviews to ensure adherence to best practices, security, and performance standards.
• Collaborate with front-end teams for seamless integration between backend and front-end components.
• Develop unit and integration tests to maintain code quality.

• Troubleshoot and debug issues in backend services.

   

Required Skills & Qualifications:

• Basic understanding of Java and hands-on experience in backend development.
• Familiarity with core Java concepts (OOP, multithreading, collections).
• Understanding of RESTful APIs and JSON.
• Knowledge of relational databases (PostgreSQL, MySQL, or similar).
• Experience using Git for version control.
• Basic understanding of web security concepts (OAuth 2.0, JWT, encryption techniques).
• Strong problem-solving skills and willingness to learn new technologies.
• Good communication and teamwork abilities.
• B2 English (Upper-intermediate or higher).

Desired Skills:

• Experience with Spring Framework (Spring Boot, Spring Security).
• Basic knowledge of cloud platforms (AWS, Azure) and containerization (Docker).
• Familiarity with CI/CD tools and deployment practices.
• Exposure to Agile methodologies (Scrum, Kanban).
• Interest in financial technology (FinTech) and willingness to learn OpenFinance and PSD2 regulations.

Additional Information:

• Candidates will have the opportunity to grow within the company and gain exposure to modern financial technologies.
• The role will include participation in 24/7 support on a rotational schedule (1 day on duty / 1 day off duty) for additional compensation.
• This is a great opportunity for junior developers to develop real-world experience in a fast-paced and innovative financial services environment.
• Location: Ukraine.
• The project language is Ukrainian.

US Company is searching for a Middle Backend Java Developer to join a team working on microservices-based enterprise platforms. Interesting long-term project (3+ years), distributed team, full-time, official contract. Remote work, European business hours.

Brief project description:
The platform consists of cloud-hosted microservices and partially - legacy code, handling core business logic and integrations for delivery service across Europe. The role includes implementing new features, fixing bugs, and supporting production services under guidance from senior developers.

Main Requirements:

• Solid understanding of backend development and APIs: 5+ years
• Experience with Java and Spring Boot frameworks
• Willingness to learn microservices patterns and cloud practices
• Ability to follow coding standards, write tests, and maintain code quality

Tech Skills:

• REST API development, SQL/NoSQL databases
• Implementing new features and small-to-medium enhancements
• Unit and integration testing
• Working with version control systems (Git) and CI/CD pipelines

Programming Languages & Frameworks:

• Java 8–21: 5+ years
• Spring Boot / Quarkus: 5+ years
• SQL (PostgreSQL), NoSQL (MongoDB, Cassandra): 3+ years
• RabbitMQ, Kafka: 3+ years

Work conditions:

• Distributed team, remote work
• Scrum approach, 5–6 team members / team
• Full-time (40 hours per week), European business hours
• Official contract: salary, sick-leave days, holidays, vacations

Hiring process:

• Preliminary interview – 30 mins
• Internal tech interview (Java, backend tasks) – 1 hour
• Interview with senior and team – 1 hour

US Company is searching for a Senior Backend Java Developer with strong experience in developing and maintaining enterprise microservices-based platforms. Interesting long-term project (3+ years), distributed team, full-time, official contract. Remote work, European business hours.
 

Brief project description:
The platform is a set of microservices deployed on cloud infrastructure and partially - legacy code, supporting core business processes in delivery service across Europe. The role focuses on performance, security, maintainability, and implementing new features in a high-availability production environment.

Main Requirements:

• Strong experience in building scalable microservices: 8+ years
• Solid understanding of event-driven systems and API design
• Experience with CI/CD pipelines and automated testing
• Knowledge of cloud deployment (AWS, Azure, OpenShift)
• Ownership of assigned modules and code quality

Tech Skills:

• Microservices architecture, REST APIs, message brokers
• Refactoring, performance tuning, troubleshooting production issues
• Writing unit, integration, and end-to-end tests
• Security best practices for backend services

Programming Languages & Frameworks:

• Java 8–21: 8+ years
• Spring Boot / Quarkus: 8+ years
• SQL (PostgreSQL), NoSQL (MongoDB, Cassandra): 7+ years
• RabbitMQ, Kafka: 5+ years

Work conditions:

• Distributed team, remote work
• Scrum approach, 5–6 team members / team
• Full-time (40 hours per week), European business hours
• Official contract: salary, sick-leave days, holidays, vacations

Hiring process:

• Preliminary interview – 25-30 mins
• Internal tech interview (backend, Java, cloud) – 1 hour
• Interview with team and Tech Lead – 1 hour

A product company is looking for a Senior Java Developer.

It is a fast-growing international B2C live-streaming platform with hundreds of millions of registered users worldwide. The product allows millions of people to create live content, engage with audiences, and monetize their skills using advanced global video technologies. 

The company unites 350+ professionals across several international offices and continues to scale, offering talented engineers the chance to work on large-scale, high-load solutions.

What they offer:
- Stock options
- Medical insurance (100% for employees, 75% for family members)
- Lunch in the office
- Parking
- MultiSport card

Technology stack:
Java 17–21, Spring Boot, Kafka, Kubernetes, Aerospike, Redis, GCP

Requirements:
- Strong experience with Java and Spring, 
- message brokers, 
- microservices,
- cloud platforms.
 

About us:

Atlaslive is a dynamic iGaming platform that provides the best quality software solutions for iGaming business. We create a live connection between business ambitions and opportunities. Atlaslive is recognized worldwide as one of the leading Sportsbook Platforms, as well as the Best Sports Betting Provider and a Rising Star in Sports Betting Technology within the CEE, Baltic and Nordic markets. Atlaslive, the tech behind the game.

Requirements

• 2+ years of commercial software development using Java-related technologies
• 1+ years of experience in the development of distributed transactional systems and micro-services
• Experience with distributed messaging (RabbitMQ, Kafka)
• Good understanding of ORM and Relational Databases(deep knowledge of Postgres is a plus)
• Follow best practices of coding, code complete standards, OOP and design patterns.
• Understanding of SCRUM methodology
   

Responsibilities

• Play a key role in the implementation of complex tasks.
• Deliver high quality code by establishing best practices like code review
• Identify bottlenecks and bugs
• Optimize performance of SQL queries
   

Nice to have

• Understanding of fundamental design principles of scalable and highly available applications
• Application and infrastructure monitoring experience
• Experience with Kubernetes and AWS services
• Experience with high load systems
   

Working conditions

• Vacation: 22 working days per year.
• Sick leave: 5 paid days per year 100% paid without medical certificate
• Sick leave: 10 days per year 100% paid with medical certificate
• Benefit cafeteria personal limit for health support
   

We would be happy to see you in our team!

About Us: InnovatelU is a dynamic tech company delivering cutting-edge solutions. We're looking for a passionate Java Developer to join our team. If you have a solid Java foundation, are eager to grow, and learn quickly, we want to hear from you! 

Requirements: 
- Strong knowledge of Java 
- Knowledge of Spring (Spring Core, Spring AOP, Spring MVC, Spring Security, Spring Boot) 
- Familiarity with REST APIs, web services 
- Proficiency in version control tools (Git) 
- Experience with build tools like Maven and Gradle 
- Experience with relational databases (PostgreSQL) 
- Expertise in containerization (Docker) 

- Experience in unit and integration testing 
- Strong communication skills and teamwork ability 
- English level: Intermediate or higher 

Will Be a Plus: 

- Solid understanding of design patterns 

- Experience with NoSQL databases like MongoDB and Redis 

- Familiarity with messaging systems like Kafka and RabbitMQ 

- Experience with microservices architecture 

Responsibilities: 

- Collaborate with senior developers and project managers 

- Assist in designing, coding, and testing applications 

- Write well-designed, efficient, and testable code 

- Participate in code reviews 

- Debug and resolve technical issues 

- Contribute to application documentation 

Interview Stages: 

1. Test Task: 1 hour 

2. HR Interview: 30 minutes 

3. Technical Interview: 1 hour 

We Offer: 

- Full Remote 

- Constant support and mentoring 

- Paid 5 working days of sickness per a year; 

- Paid all official Ukrainian holidays; 

- 18 working days of vacation per a year; 

- Opportunity for professional growth and career development 

If this sounds interesting to you, let's talk!

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

TECHNOLOGY STACK

Microservice architecture, Java 21, Spring Boot 3.4+, PostgreSQL, MongoDB, Kafka, Google Cloud Platform, Kubernetes

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with unit tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• At least Upper-Intermediate English level

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support