Jobs Java

A global leader in AI-powered IT Service Management (ITSM), building smart platforms that automate IT support and help organizations work faster and smarter. Our solutions are trusted by thousands worldwide, making complex tasks simple so IT teams can focus on what matters most.


Key Responsibilities

• Lead the design, development and maintenance of backend services using Java, Spring and modern frameworks, ensuring scalability, reliability and security.
• Architect and optimize RESTful and asynchronous APIs (GraphQL/gRPC/event‑driven) to support both internal services and external integrations.
• Integrate AI agents and backend services leveraging Large Language Models (LLMs) and other machine‑learning technologies, guiding implementation best practices.
• Drive system architecture discussions and decisions, participate in enterprise‑wide design reviews and contribute to ongoing process and technology improvements.
• Collaborate closely with Product, Frontend, DevOps and Data teams to deliver secure, robust and scalable solutions, translating business requirements into technical specifications.
• Establish and evolve CI/CD pipelines and automated testing strategies (unit, integration, load and security tests) to ensure high code quality and smooth releases.
• Diagnose and resolve complex production issues, perform root‑cause analysis and implement corrective actions to improve system reliability and performance.

Requirements:

• 5+ years of backend development experience with advanced knowledge of Java (Java 8,11+) and deep understanding of OOP, design patterns and clean‑code principles.
• Proven track record building and maintaining enterprise‑grade applications with Spring Framework/Spring Boot.
• Expertise in designing and maintaining RESTful APIs, and familiarity with GraphQL or gRPC.
• Strong SQL/NoSQL experience, including schema design, query optimization and performance tuning.
• Hands‑On experience with microservices architecture and distributed systems design, including event‑driven patterns and domain‑driven design (DDD).
• Experience with message queues (e.g., Kafka, RabbitMQ, Redis Streams, SQS) and streaming platforms.
• Deep understanding of cloud services (AWS EC2, ECS/EKS, RDS, S3, SQS) and infrastructure‑as‑code tools (CloudFormation/Terraform).
• Proficient in CI/CD pipelines (GitHub Actions, Jenkins), Git workflows and automated deployment strategies.
• Strong analytical and problem‑solving skills, with a keen attention to detail and a passion for delivering high‑quality, maintainable software.
•  

Bonus Points

• Exposure to Node.js/TypeScript or other backend languages (Go, Python).
• Experience with observability and tracing tools (Datadog, Prometheus, Grafana, CloudWatch).
• Knowledge of security best practices for cloud and microservices environments (OWASP, IAM, encryption).
• Direct experience building generative‑AI agents or applications, including prompt engineering and integrating vector databases.

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
Work supposes close cooperation with Customer team located in Houston and following Agile principles.
Our team is senior, supportive and friendly.

• Responsibilities:

  • Collaborate closely with geophysicists, data scientists, and software engineers to
  translate scientific domain requirements into robust on-prem or Cloud software
  solutions.
  • Design, develop, and maintain high-performance applications for geophysical and
  geological data analysis, interpretation and visualization (e.g., seismic, horizon,
  fault, velocity model, etc.)
  • Present architectural designs and technical proposals to the architecture review
  board.
  • Ability to break down development tasks and lay out clear implementation
  roadmaps.
  • Implement and optimize computation algorithms
  • Design and develop both thin and thick client applications that interact with cloud-
  based microservices.
  • Ensure high code quality through unit testing, code reviews, security hardening and
  continuous integration with other domain tools
  • Provide technical support and lead user troubleshooting sessions to resolve issues
  and ensure smooth operation of DSG application.
  • Mentor junior developers and actively contribute to architectural and
  implementation decisions.
  • Embrace Agile/Scrum methodologies, delivering and demonstrating working
  solutions at the end of each sprint
  • Stay current with emerging technologies and trends in geophysical computing and
  software development.

• Mandatory Skills Description:

  10+ years in Java development
  Strong Java Core knowledge
  Experience in designing and building complex systems

• Nice-to-Have Skills Description:

  Experience with desktop development (Swing, SWT or Eclipse RCP)
  C++ development
  Practical experience with Eclipse RCP framework
  OSGI knowledge is a plus
  Oil&Gas domain experience is a plus

Delasport — Implementing Technological Solutions Here and Now.
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 looking for the top talents to join our team in R&D centre in Kyiv.
 

TECHNOLOGY STACK

Microservice architecture, Java 21, Java 25, Spring Boot 3.5+, JPA, JDBC, PostgreSQL, Kafka, Google Cloud Platform, Kubernetes, Docker, Testcontainers, Gradle
 

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 integration tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• Good level of English
   

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

Overview:
We are looking for a Senior Backend Engineer to lead the development of core backend services within a modern microservice infrastructure that powers mobile and embedded clients. This is a senior, hands-on role with architectural ownership, ideal for an engineer who enjoys building scalable distributed systems, designing secure and reliable APIs, and mentoring other developers. You will drive technical decisions and collaborate closely with architects, frontend engineers, and product teams to deliver future-proof backend solutions.

Responsibilities:

• Lead the design and development of backend services using Java in a Docker/Kubernetes-based environment;
• Drive architectural improvements and establish backend best practices across the platform;
• Design, implement, and optimize event-driven systems based on Kafka;
• Build secure, scalable RESTful APIs for internal and external consumers;
• Design and query complex data models using PostgreSQL, with strong focus on performance and reliability;
• Collaborate closely with frontend and product teams to deliver features end-to-end, from concept to production;
• Ensure system reliability and observability through logging, tracing, and monitoring;
• Enable integrations with data pipelines and ML-powered services as part of data-driven and AI initiatives;
• Mentor junior engineers, conduct code reviews, and support team-wide technical growth.

Requirements

• 5+ years of professional experience in backend development within microservice and cloud-native environments;
• Strong production experience with Java (e.g., Spring Boot or similar frameworks);
• Python experience is a plus, especially for data pipelines, ML integration, or scripting tasks;
• Deep understanding of:
  • Kafka and event-driven architectures;
  • PostgreSQL, including advanced schema design and query optimization;
  • Secure API design and implementation (OAuth2, HTTPS, mTLS).
• Hands-on experience with Docker, Kubernetes, and CI/CD pipelines in production;
• Proven ability to lead cross-functional technical initiatives and make architectural decisions;
• Demonstrated experience mentoring or guiding less experienced engineers;
• Exposure to video streaming backends or media platforms is a plus;
• Strong interest or background in ML- or data-driven applications;
• Bonus: Experience with observability stacks (e.g., Prometheus, Grafana) or real-time analytics systems.

Binariks is looking for a highly motivated Senior Backend Software Engineer (Java & EPIC integration), who will implement the integration for our client.
The project is from the UK. The AI company specializing in clinical decision support technologies. Their platform integrates conventional clinical knowledge, such as guidelines, quality measures, and clinical trial criteria, into a digital format. This enables better patient care options and more cost-effective treatment options for healthcare institutions by using individual patient data and preferences.

What We’re Looking For:
 

• 5+ years of experience with Java, Spring Boot
• Experience in building integration APIs. REST API, OAuth, JWT, webhooks
• AWS cloud services skills (related to API management, messaging, and queues)
• Experience with EPIC EHR APIs
• Experience with EHR, HAPI (FHIR & HL7 v2)
• Experience with FHIR API, CDS Hooks
• Effective verbal and written communication skills with both management and peers

• Upper-Intermediate English for daily communication

   

Your Responsibilities:
 

• Building integration APIs
• Deploying and managing application within AWS infrastructure
• Collaborating with the development team and project stakeholders
• Maintaining high code quality and thorough documentation

N-iX is looking for Senior Full-Stack developer (Java+React) to join our team. 

About the Role
Our client is looking for a Java Full‑Stack Developer to help accelerate product development for their flagship workforce management solution, HotSchedules Labor. You’ll work in a collaborative, international team with developers and QA engineers from Ukraine, Latin America, and the US. This role offers a great opportunity to strengthen your English skills, as many team meetings are held in English.

The team actively uses AI coding agents to speed up development and improve code quality. Candidates must be comfortable working with AI tools as part of their daily workflow.

Most engineers on the team are full‑stack developers, but current priorities lean more toward backend tasks. A solid background in backend development combined with practical front‑end experience (React 18, Redux) is required.

Responsibilities

• Develop new features based on the product backlog
• Build REST services for high-volume, low-latency web and mobile applications
• Design and implement database schema changes (MS SQL Server) and maintain Flyway migrations
• Maintain and refactor existing codebases, including legacy Backbone.js modules
• Troubleshoot and resolve production issues
• Collaborate with cross-functional teams to define, design, and deliver new features
• Leverage AI coding agents to accelerate development and enhance code quality
• Participate in code reviews and contribute to engineering best practices

Requirements

• Minimum 5 years of hands-on experience with Java
• At least 6 months of daily experience using AI coding agents (e.g., Claude Code, GitHub Copilot, Cursor) 
• Strong proficiency in the Spring Framework (Spring MVC, Spring Security, Spring JDBC)
• Experience with MS SQL Server and Flyway database migrations
• Practical experience with React 18, including Redux and component libraries (Material UI or similar)
• Experience with the Gradle build system
• Experience with AWS (S3, SQS, DynamoDB, Lambda) and Azure (Service Bus, Blob Storage) is a plus
• Working knowledge of Docker and Kubernetes is a nice-to-have
• Upper‑intermediate English or higher

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

Overview:
We are looking for a Senior Backend Engineer to lead the development of core backend services within a modern microservice infrastructure that powers mobile and embedded clients. This is a senior, hands-on role with architectural ownership, ideal for an engineer who enjoys building scalable distributed systems, designing secure and reliable APIs, and mentoring other developers. You will drive technical decisions and collaborate closely with architects, frontend engineers, and product teams to deliver future-proof backend solutions.

Responsibilities:

• Lead the design and development of backend services using Java in a Docker/Kubernetes-based environment;
• Drive architectural improvements and establish backend best practices across the platform;
• Design, implement, and optimize event-driven systems based on Kafka;
• Build secure, scalable RESTful APIs for internal and external consumers;
• Design and query complex data models using PostgreSQL, with strong focus on performance and reliability;
• Collaborate closely with frontend and product teams to deliver features end-to-end, from concept to production;
• Ensure system reliability and observability through logging, tracing, and monitoring;
• Enable integrations with data pipelines and ML-powered services as part of data-driven and AI initiatives;
• Mentor junior engineers, conduct code reviews, and support team-wide technical growth.

Requirements:

• 5+ years of professional experience in backend development within microservice and cloud-native environments;
• Strong production experience with Java (e.g., Spring Boot or similar frameworks);
• Python experience is a plus, especially for data pipelines, ML integration, or scripting tasks;
• Deep understanding of:
  • Kafka and event-driven architectures;
  • PostgreSQL, including advanced schema design and query optimization;
  • Secure API design and implementation (OAuth2, HTTPS, mTLS).
• Hands-on experience with Docker, Kubernetes, and CI/CD pipelines in production;
• Proven ability to lead cross-functional technical initiatives and make architectural decisions;
• Demonstrated experience mentoring or guiding less experienced engineers;
• Exposure to video streaming backends or media platforms is a plus;
• Strong interest or background in ML- or data-driven applications;
• Bonus: Experience with observability stacks (e.g., Prometheus, Grafana) or real-time analytics systems.

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is an innovative technology company developing a unique solution at the intersection of hardware and cloud software. Their core product combines thousands of IoT devices deployed in the field with a robust, scalable cloud platform. These IoT devices collect and transmit real-time data, which is then processed, analyzed, and visualized using advanced cloud microservices built on Java, Spring Boot, and AWS.

The system is designed for high performance, reliability, and massive scalability, serving a large and rapidly growing customer base. The roadmap includes not only refactoring and upgrading existing systems (such as migrating to newer Java versions and updating dependencies) but also the development of new features and services that directly impact end users.

By joining this project, you’ll have the opportunity to work on both the core infrastructure and innovative new functionalities, making a tangible difference for thousands of customers and devices worldwide.

We Offer:

🔹Opportunity to contribute to an innovative product at the intersection of hardware and software
🔹Friendly team and a culture of collaboration, care, and openness
🔹Ability to influence architectural decisions and processes
🔹Involvement in international projects and professional growth

Key Requirements:
🔹 4 years of commercial experience in Java development (Senior level);
🔹 Excellent knowledge of Spring Boot;
🔹 Experience with AWS (Aurora, Kinesis, SQS, Cognito, Elasticache/Redis, etc.);
🔹 Experience with Kubernetes and microservices architecture;
🔹 Experience with relational databases (MySQL/Aurora);
🔹 Experience with codebase migration, specifically from Java 8 to Java 21, is a strong advantage;
🔹 Ability to analyze and optimize existing code and propose architectural solutions;
🔹 Good English communication skills (for distributed team collaboration);
🔹 Strong soft skills: accountability, initiative, teamwork, openness to feedback, proactivity, ability to see the big picture and suggest improvements;
🔹 Willingness to work in an international distributed team;
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 Experience with IoT solutions;
🔹 Experience working in high-load, scalable systems;
🔹 Experience collaborating with QA and contributing to testing processes;

What you will do:
🔹 Participate in refactoring and upgrading existing code, including migration from Java 8 to Java 21 and updating third-party dependencies;
🔹 Develop new features and services as part of the product roadmap;
🔹 Work with a microservices architecture based on Spring Boot;
🔹 Integrate and work with AWS services: Aurora (MySQL), Kinesis, SQS, Elasticache (Redis), Cognito, Kubernetes;
🔹 Analyze and suggest improvements to architecture and processes;
🔹 Be involved in handling production and on-call incidents, and actively engage in product support and development;
🔹 Collaborate closely with QA, developers, and hardware engineers;

Interview stages:
🔹 HR interview;
🔹 Screening and technical interview (1–1.5 hours, no live coding);
🔹 Short interview focused on company culture and values;
🔹 Reference checks;
🔹 Offer;

 

What We’re Looking For

A Senior Backend Engineer with strong technical skills, ownership mindset, and experience delivering high-quality solutions in financial services.

Must Have

• 7+ years of backend development experience
• Strong Java
• Experience with Kafka / streaming technologies
• MongoDB, Elastic/Kibana
• Solid understanding of microservices architecture
• Experience in cloud or hybrid cloud environments
• Background working in Agile/DevOps teams
• Experience mentoring developers & enforcing engineering best practices

Nice to Have

• Investment / wholesale banking experience
• Big data streaming environments
• Experience modernising legacy finance systems

What We Offer

• Long-term full-time engagement with a stable banking programme
• Hybrid/remote format (Eastern Europe), preference for Poland-based specialists
• Competitive compensation based on experience
• Opportunity to work on modern architecture and streaming solutions
• Strong engineering culture & collaboration with senior domain experts
• Professional development, mentorship opportunities & real ownership
• Modern tech stack and flexibility in delivery

We are looking for a Java Developer to join our team for a long-term project. This role supports casino games development. Required a high degree of technical skill, flair for game development, and ability to drive results.  
 

Our client is a European software development company working on its gaming platform and online gaming products.

Qualifications Required:

• BS / MS in Computer Science or equivalent qualification/certification required.
• 3+ years of software development experience with an emphasis on OOP/OOD development
• Strong proficiency in Java and deep understanding of object-oriented design.
• Experience with server-side application development.
• Familiarity in SOLID principles, design patterns, TDD, code quality, and unit testing
• Experience with build automation tools like Jenkins, Maven and ANT
• Experience working with XML and XSL file types

Will be a plus:

• Experience building tools using React and NodeJS
• Knowledge of GCP or AWS
• Full stack development experience
• Experience with JavaScript, C++ or Python is helpful
• Experience with Slot Math and Mechanics

Full-time remote job.

• Project Description:

  Join a team that's redefining banking technology!
  
  Our client isn't a typical Swiss bank — it's a modern financial institution focused on delivering cutting-edge online trading and financial services. Unlike traditional banks weighed down by legacy systems, their tech stack is lean and innovative.
  
  The team builds products that transform complex, fragmented risk data into clear, actionable insights, enabling smarter and faster decisions to reduce risk. We focus on core business areas such as account risk and work closely with key stakeholders - Risk department, Compliance department, and the Middle Office Fraud Center — to deliver impactful solutions.
  
  You'll be part of a Scrum team of four, collaborating daily with stakeholders through stand-ups, status updates, and Agile ceremonies. We embrace best practices and modern communication tools: Zoom, Teams, Outlook, JIRA, Confluence, and more.
  
  We continuously evolve our solutions to atomic microservices and self-contained systems, based on dockerized environments with CI and CD.
   
  We offer:
  * Hybrid format of work: 2/3 days in the office in Wrocalw and the rest remotely
  * Professional Growth: access to local trainings, on-demand webinars, interactive workshops, and support for conferences and certifications.
  * Competitive Compensation: Regular annual reviews based on your performance and professional development.
  * Work-Life Balance & Fun: Team-building activities, corporate events, hackathons, and a variety of engaging initiatives.
  
  If you're proactive, creative, and ready for new challenges, join us! Together, we'll enhance product quality and optimize processes while driving innovation.

• Responsibilities:

  - Development of new applications
  - Implementation of new features for existing products
  - Developing unit/integration tests
  - Code review
  - Participation in Scrum events with the client
  - Mentoring/coaching less experienced colleagues
  - Conducting TIs to support the company's growth

• Mandatory Skills Description:

  - At least 5 years of recent, proven experience working with the Java technology stack in a Software Developer role
  - Java core, Java 11-21 features
  - OOP/OOD knowledge, design patterns
  - Knowledge about microservices architecture design, build, support, and evolution
  - Unit testing frameworks (JUnit, TestNG, Mockito)
  - Spring framework, IOC
  - RESTful services
  - SQL knowledge, any RDBMS (Oracle/PostgreSQL is a plus)
  - Distributed version control system
  - Willingness to learn/work with ReactJS, Redux, TypeScript, HTML, CSS, as it will be a regular task, IS MUST from the 1st day in the project

• Nice-to-Have Skills Description:

  - Education: Bachelor's / Master's degree in computer science or computer engineering
  - Experience in finance/banking business domain
  - ReactJS, Redux, TypeScript, HTML, CSS
  - Docker
  - CI tools usage experience
  - Unix usage experience

• Languages:
  • English: B2 Upper Intermediate

N-iX is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software,IoT, and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world. 

We are looking for a talented Java Engineer to join our our AI project in Europe.

Responsibilities:

• Design and develop a robust and extensible Kotlin framework and platform for configuring and managing AI agents
• Write clean, maintainable, and efficient code that complies with our coding standards
• Ensure the performance, quality, and responsiveness of the library
• Identify and correct bottlenecks and errors
• Help to maintain code quality, organization, and automatization.
• Create and maintain technical documentation for the library

Requirements:

• At least 4-5 years of proficiency in Kotlin and Java
• Deep experience with the Spring Framework 
• Reactive tools experience (Project Reactor)
• Knowledge of different communication protocols such as REST, GraphQL, gRPC
• Experience with distributed systems
• Familiarity with tracing, metrics and monitoring best practices
• Proficiency in Maven or similar tools 
• Familiarity with NoSQL databases 
• Very good spoken and written knowledge of English language (B2+)

Nice to have:

• Experience of creating frameworks and platform for other developers
• Familiarity with GenAI, AI agents, machine learning, and natural language processing concepts is a plus
• Experience with MCP, A2A, RAG is a big plus
• Experience with event-driven architecture
• Experience with Docker and Kubernetes
• Python experience is nice to have

• BSc or MSc in Computer Science, Engineering or relevant field

   

Professional growth:

• Strong engineering culture
• Challenging projects and mature teams
• Personalized on-demand cross-company mentoring support enabling you to learn new things faster
• Plenty of opportunities to share knowledge and get more experience such as opportunity to mentor others, speak at events, and contribute to pre-sales
• Direct communication with the customer
• An individual education budget
• A friendly, supportive and dynamic work environment
• Care, comfort and fun
• A relocation package
• Flexible working hours
• Healthcare & sport benefits
• Corporate events, outstanding parties and team buildings

UAPP team needs a Backend Developer 

Requirements:

• experience with Java or other backend languages;
• strong understanding of OOP principles and SOLID;
• experience with Spring Boot or similar backend frameworks (e.g. NestJS, Django, etc.);
• knowledge of SQL, NoSQL and ORM tools (JPA / Hibernate or equivalents);
• experience in developing REST APIs;
• basic knowledge of algorithms and data structures;
• strong ability to learn new technologies and adapt to a new tech stack.

We offer:

• career and professional growth;
• decent salary;
• interesting projects in a professional team;
• trainings, seminars, meetings and conferences at company expense;
• pleasant and friendly working atmosphere.

UAPP is an IT company, established in 2018. We provide a full range of software development services, websites and mobile applications. Consulting, design, development, implementation, support and marketing — we do everything to achieve our clients’ business goals.

Our company's key to success is a team of professionals and like-minded people with solid practical experience in the field of project implementation for businesses and their own projects.

We offer services that are designed to take a client’s business to a new level and do everything to provide quality, innovation and creativity using the latest technology solutions.

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. 

Job Description

We are looking for a Senior Backend Engineer with strong Java API design and Spring Boot skills to contribute to building the OneAPI backend platform. This role requires versatility, cloud-native engineering expertise, and the ability to work in a small, agile team with a DevOps-oriented approach.

• Passionate software developer with 8+ years of hands-on software application development experience
• Demonstrated Experience in Cloud Computing using AWS, GCP or other cloud providers
• Working experience with Java and Spring frameworks such as Spring Webflux, Spring Cloud, Spring Security, etc
• Containerization experience with applications deployed on Docker or Kubernetes
• Solid understanding and modeling in SQL and Relational Database
• Demonstrated knowledge of Distributed and Scalable systems
• Experience with Git or other version control systems, Test-driven development (TDD)
• Ability to quickly adapt & independently work in a fast-paced Agile environment with minimum supervision.

Nice to have:

• Experience with at least one popular JavaScript framework such as Angular, React etc
• Experience with data analysis and data analytics tools
• Experience with NoSQL databases, messaging services, in-memory cache and
• DynamoDB is a big advantage

Job Responsibilities

• Develop high-quality software that is performant, scalable, reusable, extensible, secure, supportable, reliable
• Write microservices, develop and extend in-house APIs, write client-side code which interacts with other APIs (RESTful and SDKs)
• Work with front-end engineers to understand user requirements and provide endpoints that help accomplish building appealing interfaces.
• Develop and maintain a scalable web and responsive applications

• Exhibit DevOps mindset - Work on continuous integration, including provisioning, deployment, testing, and version control of the software

   

Department/Project Description

Our client is a global leader in cloud security, enabling organizations to securely transform their networks and applications for a mobile and cloud-first world. Through its platform, it provides fast, secure, and seamless access to applications, regardless of device, location, or network. Trusted by thousands of enterprises, their products help reduce risk, lower IT costs, and deliver a better user experience by replacing traditional on-premises security with a modern cloud-delivered approach.