Jobs

Current Challenges:

- Getting platform ready for scaling

- Adding new features including integrations with other shipping carriers

- Increasing test coverage

- Maintenance and bug-fixing

General requirements:

– Work experience: 5+ years

– Work experience with a live production system: 3+ years

Must have:

– Java 11

– Knowledge of SQL and one of SQL databases (complex queries, optimization, building data models)

– Understanding of multi-threading

– Spring IoC/DI, Spring Boot, Spring Security

– Spring WebFlux, RxJava

– Gradle, Git, Docker

– Unit and integration testing

– Experience with AWS

– Knowledge PostgreSQL

- AWS Terraform

- AWS Serverless

Are you a Java Developer looking for new challenges? What about working with a high-profile client with millions of QPS? 
If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.

Project tech stack: 
Concurrency -  a high-load low-latency system.

Cache: aerospike, Memcached

Cloud: AWS, GCP

DB: PostgreSQL, Superset

Streams: Kafka, Kinesis

Data formats: Avro, Protobuf
Languages: Java, Scala, Python

About the project:

Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.

Location:

Ukraine remote

Skills & Experience:

— Background in computer science or similar quantitative field;

— 5+ years of professional software development experience;

— Expert Knowledge of Core Java;

— Experience developing high-scale and high-performance distributed systems;

— Good understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading and real-time programming;

— Product-focused mindset;

— Team player with strong interpersonal skills;

— English — Upper intermediate or above.

Responsibilities

— Work with a highly skilled engineering team in all phases of the Agile development process from design to deployment;

— Design, develop, and maintain high-scale, high-performance real-time applications;

— Work with quality assurance, release engineering, and product management to deliver quality software;

— Identify, design, and implement improvements to the current architecture. This may include: internal process improvements, automating manual processes, optimizing data delivery, reducing cost, re-designing infrastructure for greater reliability, etc;

— Take your own initiative in the development process and working atmosphere improvements, be proactive in suggesting new visions and approaches to the platform development; anticipate problems or issues solutions that may arise;

— Deliver constant value back to the business in a highly agile team approaching near-continuous deployment.

What we offer

Work:

Flexible working hours;

Remote work;

Company equipment provision (Macbook);

Health:

Comprehensive medical insurance and sports benefits;

PTO (35 days);

Education:

Allowances for professional education;

English courses with native speakers;

Internal knowledge-sharing sessions.

The Role

We’re looking for a Senior Software Engineer with strong Java expertise to join our remote engineering team. You’ll work on scalable Java applications, tackle complex technical challenges, and contribute to our data structures and algorithms.

Key Responsibilities

• Work on product features and impact customer experience
• Develop and maintain our Java Spring-based platform for a quickly scaling business
• Collaborate with a distributed team of highly skilled engineers
• Contribute to the architecture and design of our growing platform
• Ensure code quality, performance, and scalability

Requirements

• Strong Java experience (6+ years) 
• Proficiency in Spring Framework (Spring Boot, Spring Cloud, MVC, Security), ORM frameworks (JPA/Hibernate)
• Experience with Relational & NoSQL databases.
• AWS knowledge, including ECS, EC2, RDS, Lambda, S3, IAM, CloudFormation, CloudWatch, etc.
• DevOps skills in AWS provisioning, operations, and management.
• Strong problem-solving skills and attention to detail.
• Ability to work independently in a remote setting.
• Fluent English communication skills.

Nice to Have

• AWS Certification

Are you a Java Developer looking for new challenges? What about working with a high-profile client with millions of QPS? If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.

Project tech stack: Java 11, Concurrency, Scala, Big Data, Amazon AWS (EC2, Kinesis, Dynamo, Cloudfront, Cloudwatch, Athena), Aerospike, Avro, Netty, Tomcat, Apache Mina, Lucene

About the project:

Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.

Location:

Remote: Ukraine

Skills & Experience:

— Background in computer science or similar quantitative field;

— 5+ years of professional software development experience;

— Expert Knowledge of Core Java;

— Experience developing high-scale and high-performance distributed systems;

— Excellent understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading and real-time programming;

— Product-focused mindset;

— Team player with strong interpersonal skills;

— English — Upper intermediate or above.

As a plus

— Experience with cache optimization, distributed cache, and NO SQL DB is a plus;

— Experience with Big Data and AWS services is a plus;

— Experience in the advertising domain is a big plus.

Responsibilities

— Work with a highly skilled engineering team in all phases of the Agile development process from design to deployment;

— Design, develop, and maintain high-scale, high-performance real-time applications;

— Work with quality assurance, release engineering, and product management to deliver quality software;

— Identify, design, and implement improvements to the current architecture. This may include: internal process improvements, automating manual processes, optimizing data delivery, reducing cost, re-designing infrastructure for greater reliability, etc;

— Take your own initiative in the development process and working atmosphere improvements, be proactive in suggesting new visions and approaches to the platform development; anticipate problems or issues solutions that may arise;

— Deliver constant value back to the business in a highly agile team approaching near-continuous deployment.

What we offer

Work:

Flexible working hours;

Direct communication with C-levels;

Collaborative, friendly team environment

Hybrid work;

Company equipment provision;

Life:

Maternity and paternity leaves;

Proxet Culture Club events;

Company social events;

Annual corporate parties;

Health:

Comprehensive medical insurance and sports benefits;

Mental health program with private consultations;

Live webinar with therapists;

Paid sick leaves;

Education:

Allowances for professional education;

English courses with native speakers;

Internal knowledge-sharing sessions.

The company is a modern fintech platform that combines innovative technologies with a deep understanding of financial markets. We create products that change the approach to banking, payments, lending, and financial management, making financial services faster, more convenient, and more affordable.

We work at the intersection of technology, analytics, and customer orientation, providing solutions for both B2B and B2C segments. At the center of our focus is security, scalability, and transparency.

Our team brings together technology, product and finance professionals who together create the financial services ecosystem of the future.

Qualifications
● 4+ years of software development experience
● Backend engineer - Java Developer
● A solid understanding of programming languages, ideally knowledge - SQL, JOOQ, Spring BOOT
● Advantageous to have experience developing solutions in the Cloud, and/or
using Cloud services but certainly not a must
● Embraces continuous development and learning
● Knowledge of software engineering practices
● Demonstrated passion for creating high-quality web/SaaS apps
● Experience with Git/GitHub
● Excellent communication skills in English, both written and verbal
● Self-organized, Goal-oriented, self-motivated individual who is confident,
thorough and tenacious
● Ability to effectively operate with flexibility in a fast-paced, constantly evolving
team environment
● A great sense of humor and enjoys having fun at wor

Bonus Points
● BA/BS degree or equivalent practical experience
● Experience with Google Cloud or AWS services from a production
environment

Join our innovative and dynamic team, where we are dedicated to building cutting-edge software solutions that make a difference. We pride ourselves on our collaborative environment, continuous learning culture, and commitment to excellence. If you are passionate about technology and looking to take your career to the next level, we want to hear from you!

We are seeking a skilled and enthusiastic Middle+ Java Developer with a strong background in SQL, JOOQ, and Spring Boot. The ideal candidate will have a passion for developing high-quality software and a desire to work in a fast-paced, agile environment. You will be an integral part of our development team, contributing to the design, implementation, and maintenance of complex, scalable systems.

Responsibilities:

• Design, develop, and maintain Java-based applications using Spring Boot.
• Implement and optimize SQL queries and database interactions using JOOQ.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot, debug, and optimize existing systems to ensure performance and reliability.
• Participate in code reviews, ensuring adherence to best practices and high standards.

• Stay updated with the latest industry trends and technologies to drive innovation within the team.

   

Requirements:

• Experience: Minimum of 4-5 years of hands-on experience in Java development.
• Technical Skills:
  • Proficiency in Java and Spring Boot framework.
  • Strong experience with SQL and database management.
  • Hands-on experience with JOOQ for database interaction.
  • Familiarity with RESTful API design and implementation.
• Soft Skills:
  • Excellent problem-solving abilities and attention to detail.
  • Strong communication skills, both written and verbal.
  • Ability to work effectively in a collaborative team environment.
  • Self-motivated with a strong desire to learn and innovate.

Preferred Qualifications:

• Experience with cloud platforms (AWS, Azure, GCP).
• Familiarity with containerization technologies (Docker, Kubernetes).
• Knowledge of CI/CD pipelines and DevOps practices.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

If you are ready to make a significant impact and grow your career with us, please submit your resume and a cover letter detailing your experience and why you would be a great fit for our team. 

Join us and be a part of something extraordinary!

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 over 6,000 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 6,000 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 hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  

Preferred Skills:  

• 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. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

ARRISE powering Pragmatic Play is a leading game developer providing player-favourites to the most successful global brands in the iGaming industry. 

We are a software development and services company delivering end-to-end digital solutions. Headquartered in Gibraltar with offices around the world, including Malta, Latvia, Romania, India, Canada, Serbia, UAE and Bulgaria, we are a global team of over 5,000 talented individuals with decades of experience across multiple industries and professions. Together, we form a cross-functional powerhouse that is driven to deliver.  

ARRISE powering Pragmatic Play welcomes talented professionals to join our challenging and dynamic project as a Java Developer. We are looking for passionate, innovative, results-oriented specialist with heart-deep commitment to success to be a part of our company. 

Required Skills: 

• 5+ years of hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  
• Proficiency in Ukrainian.

Preferred Skills:  

• 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. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

Description

Wallee is seeking an experienced Senior Java Software Engineer to join our development team. As a payment technology company that enables merchants to accept omnichannel payments, we’re looking for someone to help us enhance the customer journey through the development of dedicated merchant integrations and big data systems. The ideal candidate will be passionate about staying up-to-date with the latest technologies and tools, as we ensure that our customers and consumers receive the best experience possible.

Responsibilities

• Design and develop highly scalable and reliable back-end systems using Java
• Bug fixing and feature implementation
• Collaborate with cross-functional teams (product managers, UX designers, front-end engineers, and QA testers) to translate business requirements into technical solutions
• Develop automated tests and review code changes
• Optimize application for maximum speed and scalability
• Participate in code review and contribute to technical documentation
• Continuously research and evaluate new technology and development methodologies

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• 5+ years of work experience as a Java Software Engineer within an Agile environment
• Proficiency in Java and related frameworks (Spring, Spring Boot, Hibernate)
• Experience working with distributed systems and building scalable solutions
• Proficiency in SQL
• Experience with CI/CD tools such as Jenkins or GitlabCI
• Knowledge of containerization platforms such as Docker and AWS ECS
• Would be a plus: JavaScript, Camel, experience with BPM engines

Benefits

• You are part of an agile, young international team and shape our products sustainably with your ideas.
• You will play a decisive role in designing products in an omni channel payment start-up and work with leading companies in the financial industry on international projects.
• As an innovative start-up, we offer flexible structures and flat hierarchies.
• Cooperation with motivated colleagues and numerous personal development opportunities.

We are looking forward to hear from you.

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: 30 minutes 

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!

N-iX is seeking a Senior Java Engineer to join our vibrant team. 

About the project:

Our client is a global marketplace for savings and investments, providing savers with effortless access to high-yield savings accounts and investment options from over 400 partner banks worldwide. It eliminates geographic limitations, ensuring transparency, convenience, and competitive rates. For banks, it offers cost-efficient deposit funding and innovative Banking-as-a-Service solutions.

The team specializes in developing and maintaining robust backend services that support the customer's tech platform, which handles the full lifecycle of payment management for millions of active deposit accounts. The team’s primary responsibilities are:

• Ensure the accurate, reliable, and efficient payment execution and reporting to our partners.
• guarantee compliance with regulatory requirements and ensure the integrity of financial records.

Currently, the team consists of five experienced Senior Software Engineers, working collaboratively in an agile environment.

Must-Have Skills & Technologies

Experience:
Minimum 6+ years as a Java Software Engineer, with experience in managing software projects through the full lifecycle — from design to runtime support.

Experience in multithreading

Technical Stack:

• Languages & Frameworks: Java 17 (migrating to Java 21), Spring Boot 3
• Databases: MySQL 8, SQL, and NoSQL solutions
• Architecture & Infrastructure: Microservices architecture, event-driven systems using Kafka and ActiveMQ
• Cloud & DevOps: AWS Services, Kubernetes (K8s), CI/CD pipelines
• Versioning & Documentation: Strong code review skills, technical documentation ownership, and technical debt management

Software Engineering Practices:

• Strong knowledge of OOP and SOLID principles
• Familiarity with modern software development practices and standards
• Proactive involvement in standard-setting, guidelines creation, and best practices within the team

Ownership & Collaboration:

• Experience of End-to-end responsibility for project delivery
• Willingness to replace legacy services and improve technical foundations
• Comfortable with architecture discussions and proposing alternative solutions

Soft Skills:

• Strong problem-solving and critical-thinking abilities
• Excellent communication and collaboration skills in an international team
• Respectful, constructive feedback during code reviews
• Ownership mindset, quality-driven development
• Fluent in English (Upper-Intermediate or higher)
• Ukrainian language, Advanced or higher.

Responsibilities:

• Develop, maintain, and enhance a large-scale online banking platform.
• Perform the software engineer tasks with great attention to quality, and support other engineers in your team to do the same.
• Collaborate with the team to set technical standards and share best practices.
• Perform detailed code reviews, ensuring not only best practices and business rules, but also performance, security, impact on other features or projects, and always with respectful and constructive communication.
• Research and shape multiple alternative technical solutions when possible.
• End-to-end ownership of the team project's delivery.
• Actively manage technical documentation and address technical debt.

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

N-iX is looking for an experienced Senior Java Full Stack Engineer to join our development team.
Our customer – integrated Shipping Services has set itself apart as an independent carrier with a fresh, unique approach. His strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services; and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market.

Responsibilities:
 

• Hands-on full stack development of innovative applications

Requirements:
 

• 5+ years of experience in Full Stack Development
   
• 5+ years of experience in the following technologies: Java, Spring 
   
• 2+ years of experience in front end development with React
   
• 2+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
   
• Experience in designing, developing, and deploying cloud/hybrid-based solutions
   
• Experience in developing and deploying in Container based environments (Kubernetes, Cloud foundry)
   
• Experience with Functional Programming and Java Streams
   
• Ukrainian language Advanced or higher.
   
• Upper Intermediate English - verbal and written
  
   

We are an IT company and currently searching for proactive and communicative colleagues to realize all our big plans. We like to solve complex problems by focusing on results and increasing the skills of our employees.

Currently, we are looking for a Java Developer.
If you enjoy tackling various tasks and want to grow as a developer, join us.
About the project: We are developing a custom casino and betting platform tailored to the client’s unique business needs.

Required skill set:

• At least 5+ years of experience with Java 11 or higher. Strong server-side Java.
• Experience in developing Web applications.
• Good OOP skills.
• Spring (IOC, Data, Security JWT).
• Strong knowledge of SQL (PostgreSQL is preferred).
• Experience in developing RESTful APIs.
• Experience in developing Websocket APIs.
• Experience in designing and building production systems that work with data at scale.
• Deep understanding of microservices architecture.
• Knowledge of cloud services (AWS).
• Experience in development APIs for other developers.
   

Will be a plus:

• Experience in iGaming.
   

Responsibilities:

• Development of casino platform features, services, and APIs (games, payments, bonuses).
• Integration with third-party providers (games, KYC, payments).
• Code reviews and ensuring code quality.
• Collaboration with developers, QA, analysts, and product team.
• Participation in planning and sprint reviews.

• Designing scalable and high-load backend services.

   

We Offer:

• A friendly team and support from experienced colleagues.
• Opportunities for professional growth and development in SMM.
• Remote work.
• 21 working days of paid vacations, paid sick leaves.
• Flexible working schedule (9 a.m.- 6 p.m. or 10 a.m.-7 p.m.).

GD Next is a European group of companies headquartered in Switzerland, 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 highly skilled and experienced Senior Java Software Engineer to join our team. The ideal candidate will have a strong background in Java development, with expertise in Spring and Spring Boot.

Mandatory Requirements:

• Experience: Minimum of 5 years in Java development.
• Java Expertise: Proficiency in Java Core, with a deep understanding of object-oriented programming principles.
• Spring Framework: Extensive experience with Spring and Spring Boot.
• RESTful APIs: Strong experience in designing and implementing RESTful APIs. Familiarity with OpenAPI, Swagger.
• Database Management: Proficiency in SQL and experience with relational databases such as MySQL, PostgreSQL, or Oracle, (writing and reading of complex SQL queries as well, Criteria API).
• ORM: Strong experience in Hibernate (Blaze Persistence will be a plus).
• Docker: Strong experience in writing of Docker files, Docker-compose files.
• Messaging Systems: Knowledge of messaging systems like Google Pub-Sub, RabbitMQ, and Apache Kafka.
• Experience with in-memory DB (Redis).
• Experience with Open API, Swagger.
• Communications protocol: Experience with WebSocket.
• Utils: Experience with Mapstruct, Lombok.
• Version Control: Proficient in using Git for version control.
• Testing: Experience with unit testing frameworks such as Junit, TestContainers.
• Security Standards: Familiarity with security standards and best practices in software development.
• Agile Methodologies: Experience working in Agile/Scrum environments.
• Communication Skills: Excellent verbal and written communication skills in English.
• Problem-Solving: Strong analytical and problem-solving skills. bug tracking and investigation of performance issues.
• Experience in designing and implementing complex systems with high-load applications.
• Ability to develop and build complex and stable applications from scratch.

Optional Requirements (will be an advantage):

• Frontend Technologies: Experience with Angular, React, or similar frontend frameworks.
• DevOps: Familiarity with DevOps practices and tools such as Kubernetes, and CI/CD pipelines.
• Microservices: Experience or knowledge of microservices architecture, optimization, and tracing.
• Cloud Platforms: Knowledge of cloud services like AWS, Azure, or Google Cloud Platform.
• NoSQL Databases: Experience with NoSQL databases such as MongoDB or Cassandra.
• Performance Tuning: Experience in performance tuning and optimization of Java applications.

Responsibilities:

• Develop and maintain robust backend solutions using Java (Java Core 11+), with a strong focus on the Spring Framework stack (Boot, Data, Security).
• Design and implement efficient and clean code leveraging Java features such as streams and lambda expressions.
• Build and integrate RESTful APIs with full CRUD functionality, ensuring performance and scalability.
• Utilize commonly used Java development tools and libraries such as Apache Commons, Maven/Gradle, Git, and CI/CD servers.
• Write comprehensive unit tests using JUnit to ensure high code quality and reliability.
• Work with SQL databases, including writing and optimizing complex SQL queries, and using Criteria API and Hibernate ORM for persistence.
• Develop and maintain containerized applications using Docker.
• Integrate message brokers (e.g., Google Pub/Sub, RabbitMQ) to enable asynchronous communication.
• Utilize in-memory data storage solutions such as Redis for caching and fast data access.
• Work with technologies such as WebSockets for real-time communication and cloud platforms, including Google Cloud Platform (GCP) and Microsoft Azure.
• Document and expose APIs using OpenAPI specifications and tools like Swagger.
• Collaborate effectively in English (B2 level or higher) within a multicultural and distributed team environment.

Personal skills:

• Self-motivated team player.
• Keen to do things better.
• Strong communication and problem-solving skills.

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 over 6,000 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 6,000 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 hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  

Preferred Skills:  

• 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. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level.