Jobs

City location: Wroclaw

Project Description:

Join our Development Center in Poland and become a member of our open minded, progressive and professional team. In this role you will be working on projects for one our world famous clients. You will have a chance to grow your technical and soft skills, and build a thorough expertise of the industry of our client. On top of attractive salary and benefits package, Luxoft will invest into your professional training, and allow you to grow your professional career. A Java based middleware application dedicated to the calculation of financial data. Its biggest challenge is to keep the data processing scalable and reliable.

Responsibilities:

• Analyses, plans, designs, implements, documents and tests regular items in domain and technology area according to specifications and software production process;
• Proactively participates to process developments and takes part in delivering software;
• Knows technology, methods and environments related to the assigned tasks and learns business and domain knowledge;
• Estimates, develops and solves regular engineering problems;
• Creates units tests according with TDD approach;
• Fixes bugs;
• Helps to develop Fitnesse framework for acceptance testing;
• Actively participates in release planning; • Performs code reviews;
• Communicates with BAs and QAs. Project technologies stack:
• Java SE 8;
• Git version 1.8.4;
• Maven 3.1.0;
• JUnit 4.11;
• Mockito 1.9.5;
• Database server: Oracle Database
• Atlassian JIRA v6.1 - ticket/bug tracking;
• Fitnesse 20150814 - acceptance testing + specification;
• Atlassian Bamboo version 5.9.4 - continuous integration.

Mandatory Skills Description:

•Strong communication skills – Ability to effectively engage with users and stakeholders for requirement clarification.
•Senior Backend Development Expertise – Proven experience with:
Java, Spring Boot, JPA, Microservices architecture and concepts, Maven
•Version Control – Proficiency with Git/GitLab
•Operating Systems & Scripting – Experience with Linux and Bash
•Databases – Solid understanding of relational databases, especially PostgreSQL
•Messaging Systems – Familiarity with Kafka *
•Security – Knowledge of JWT-based authentication and authorization *
•Containerization & Orchestration – Understanding of Kubernetes and Azure Kubernetes Service (AKS) *

Note: For technologies marked with an asterisk, hands-on experience is preferred, but a strong conceptual understanding is acceptable.

Nice-to-Have Skills Description:

•Full Stack Development Experience
•TypeScript
•React
•Experience using AI-assisted coding tools (e.g., GitHub Copilot or similar) to enhance productivity and code quality

QA Madness is a European IT service company that focuses strongly on QA and cybersecurity. The company was founded in 2013 and is headquartered in Poland.   
Our client is looking for a Mobile Developer for the tipping platform. Must have good communication skills in English.   

Work type: Remote. 
Technical level: Senior. 
Job category: Development. 
Project: Tipping and gratuities system. 
English level: Upper-Intermediate.   

Responsibilities: 
Build and deliver robust Android solutions for payment applications; Implement scalable features based on product roadmap and team input; 
Work closely with product managers, designers, QA, and backend developers; 
Contribute to architectural decisions and continuously refactor to maintain clean codebases; 
Ensure code quality through comprehensive testing and active participation in code reviews; 
Monitor app performance and take steps to address issues proactively; Participate in agile processes and help evolve development workflows.   
Required Skills: 
5+ years of hands-on experience in Java; 
Building and maintaining Android applications (experience with IOS applications will be a plus); 
Basic knowledge of Typescript, JS and React Native; 
Understanding and experience in MVP and MVVM; 
Experienced with well-known development and testing frameworks; Experience building service-oriented architectures, design patterns, data structures; 
Test-driven development and continuous delivery; 
Upper-intermediate level of spoken and written English.   

What We Offer: 
Competitive salary in USD or EUR and good compensation package (reviews on demand to ensure your compensation reflects your growth and impact); 
Corporate English courses with native speakers; 
Remote work opportunity; 
Flexible work schedule (Enjoy the freedom to start your 8-hour workday at a time that fits your schedule best, anytime between 8 a.m. and 11 a.m.); 
The ability to focus on your work: a lack of bureaucracy and micromanagement (no tracking tools).   

Steps of the interview process: 
STEP 1: Send your resume and complete the questionnaire. 
STEP 2: Go through the screening interview with a Tech Recruiter. STEP 3: Interview with a client. 
STEP 4. Test Task.   

Please note, this job is a full-time position, and it is relevant only if you meet all requirements. Any candidate who fails to meet the requirements will not be considered for the job.

 

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

As part of a collaboration with a leading European energy company driving innovation in digital transformation and sustainable solutions, we are looking for a Camunda 8 Developer to join our project. This role offers the opportunity to design and implement cloud-based process automation solutions using the Camunda 8 SaaS platform, contributing to the digitalization of business workflows across diverse domains.

Your tasks:

• Design, model, and implement business processes using BPMN 2.0 on the Camunda 8 platform.
• Analyze and detail business requirements in close collaboration with business partners and analysts, translating them into executable workflow models.
• Develop and maintain process applications to automate individual workflow steps and ensure end-to-end integration.
• Integrate external systems and services via REST APIs or custom connectors.
• Configure and use core Camunda 8 SaaS components: Operate, Tasklist, Console, Connectors, and Web Modeler.
• Implement robust error handling, retry mechanisms, and monitoring to ensure transparency and reliability in process execution.
• Support the deployment of process applications within CI/CD pipelines and cloud-native environments.
• Collaborate closely with cross-functional teams to ensure operational readiness and scalability of workflow solutions.

Requirements:

• Proven experience working with Camunda 8 (SaaS).
• Strong understanding of BPMN 2.0; familiarity with DMN and Camunda Forms is a plus.
• Practical experience in integrating workflows with distributed systems.
• Knowledge of CI/CD pipelines, DevOps practices, and cloud environments (e.g. Kubernetes, Docker).
• Ability to work effectively with business stakeholders to refine and optimize process logic.
• Solid analytical and problem-solving skills, with a structured approach to development and testing.
• Excellent communication and collaboration abilities within cross-functional and international teams.
• Strong analytical thinking and proactive problem-solving mindset.

• Commitment to delivering clean, maintainable, and scalable solutions.

   

Nice to have:

• Experience with Camunda Connectors or developing custom connectors.
• Familiarity with the Operate API or Camunda SDKs.
• Exposure to event-driven architectures.
• Camunda certification or prior participation in official Camunda training programs.

Project Description:

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:

5+ years in Java development
Strong Java Core knowledge
 

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

• Project Description:

  Deliver modern, omnichannel, real-time retailing shopping experience built on Sabre Travel AITM for low-cost carriers (LCC). Enhance direct offer capabilities to drive airline yield. LCC's require low-cost and highly configurable flexible eCommerce capabilities and provide the ability for LCC to process Offer and Order transactions. Provide reduced cost through consolidation of common components including consolidation of the order management system (OMS).
  
  in scope:
  Design, develop, test & deliver changes to OMS to achieve integration with Radixx
  The development will be done to defined standards using NGP and GCP
  Design, develop, test & deliver changes to OMS to achieve extension for both (Radixx&OMS) features
   

• Responsibilities:

  - Develops, codes, tests and debugs new moderately complex software solutions or enhancements to existing software in a maintenance capacity.
  - Works with technical staff (Domain Experts) to understand problems with software and resolve them.
  - Daily cooperation with client by supporting all needs and resolving problems.
  - Assist in the development of software technical documentation.
  - Designs and codes moderately complex applications using routine and/or advanced technology.
  - Create optimization programs to resolve problems.
  - Design and build prototype applications.
   

• Mandatory Skills Description:

  • Minimum 6 year of hands-on Java programming (including Java 17) 
  • Experience and knowledge of open-source software, frameworks, and broader cutting-edge technologies around server-side development in Java 17;
  • Wide and deep understanding of Java ecosystem, monitoring and diagnosis; Containers, Spring Boot, Docker, Kubernetes   
  • Experience in Cloud deployments, Preferably in GCP 
  Technology stack:
  • Programming language: JAVA 17
  • Version control system: Git
  • Database: GCP Spanner
  • Messaging: GCP Pub/Sub
  • Microservices
  • REST/JSON and/or GRPC API
  • Monorepository
  • GCP Traffic Director
  • Envoy load balancer
  • CI/CD
  • Cloud provider: GCP
  • Dependency management system: Maven and Bazel
  • Java libraries: 
  • Spring boot 2.2.X
  • Spring 5.2.X
  • Lombok
  • Deployment: Containers deployed on GKE
   

• Nice-to-Have Skills Description:

  • RestAssured
  • Cucumber
  • TestNG
  • IaaC (Terraform)
  • Security and access control: Planned to use JWT, OKTA
   

• Languages:
  • English: B2 Upper Intermediate

About project:

Working on multi telecom related project with big international team. Work format is shadow, you will be hidden from end client and will work with help of main developer.

We are looking for a long-term candidate passionate about startups and eager to contribute to our projects from the ground up.

Requirements:

• From 1 year of experience (only commercial)
• Strong Java core and multithreading skills
• Expertise in Spring Framework (Boot, Data, Security) and Hibernate
• Good understanding of SQL and database design

• Knowledge of design patterns, SOLID principles, and clean architecture

   

Would be a plus:

• Experience with microservices architecture
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Cloud experience (AWS, Azure, or DigitalOcean)

• Proficiency in scaling and optimizing high-load systems

   

About Neptunes 

We are young product company and looking for motivated collaborators who may share their experience to our products

N-iX is looking for a Senior Java Engineer to join our team.

Our client is a leading financial institution focused on digital innovation and customer-centric solutions. You will join a cross-functional Agile squad working on the development of a new, cutting-edge banking product aimed at redefining the digital experience for millions of users. The team collaborates closely to deliver secure, scalable, and intuitive financial solutions powered by modern technologies.

Responsibilities

• Analyze requirements and technical designs, implementing new features within the platform
• Develop, maintain, and optimize existing functionalities in the production environment
• Ensure adherence to coding standards and software engineering best practices
• Identify, troubleshoot, and resolve issues related to code quality, functionality, and performance
• Document new or updated features and improvements
• Actively participate in Agile ceremonies and contribute to the continuous delivery of product functionality

Requirements

• 4+ years of experience as a Backend Developer within the Java tech stack
• Strong experience with Java, Spring / Spring Boot, Docker, Kubernetes, SQL, Linux, and Redis.
• Hands-on experience with microservices architecture
• Familiarity with CI/CD pipelines and infrastructure implementation
• Deep understanding of Object-Oriented Programming (OOP) and software engineering principles
• Proven experience in developing scalable REST APIs
• Solid knowledge of relational and NoSQL databases
• Ability to write effective unit, integration, and API tests
• Strong understanding of Agile methodologies
• Experience with API Gateways (implementation and integration)

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

• Deliver modern, omnichannel, real-time retailing shopping experience built on Sabre Travel AITM for low-cost carriers (LCC). Enhance direct offer capabilities to drive airline yield. LCC's require low-cost and highly configurable flexible eCommerce capabilities and provide the ability for LCC to process Offer and Order transactions. Provide reduced cost through consolidation of common components including consolidation of the order management system (OMS).
  
  in scope:
  Design, develop, test & deliver changes to OMS to achieve integration with Radixx
  The development will be done to defined standards using NGP and GCP
  Design, develop, test & deliver changes to OMS to achieve extension for both (Radixx&OMS) features

• Responsibilities:

  - Develops, codes, tests and debugs new moderately complex software solutions or enhancements to existing software in a maintenance capacity.
  - Works with technical staff (Domain Experts) to understand problems with software and resolve them.
  - Daily cooperation with client by supporting all needs and resolving problems.
  - Assist in the development of software technical documentation.
  - Designs and codes moderately complex applications using routine and/or advanced technology.
  - Create optimization programs to resolve problems.
  - Design and build prototype applications.

• Mandatory Skills Description:

  • Minimum 6 year of hands-on Java programming (including Java 17) 
  • Experience and knowledge of open-source software, frameworks, and broader cutting-edge technologies around server-side development in Java 17;
  • Wide and deep understanding of Java ecosystem, monitoring and diagnosis; Containers, Spring Boot, Docker, Kubernetes   
  • Experience in Cloud deployments, Preferably in GCP 
  Technology stack:
  • Programming language: JAVA 17
  • Version control system: Git
  • Database: GCP Spanner
  • Messaging: GCP Pub/Sub
  • Microservices
  • REST/JSON and/or GRPC API
  • Monorepository
  • GCP Traffic Director
  • Envoy load balancer
  • CI/CD
  • Cloud provider: GCP
  • Dependency management system: Maven and Bazel
  • Java libraries: 
  • Spring boot 2.2.X
  • Spring 5.2.X
  • Lombok
  • Deployment: Containers deployed on GKE

• Nice-to-Have Skills Description:

  • RestAssured
  • Cucumber
  • TestNG
  • IaaC (Terraform)
  • Security and access control: Planned to use JWT, OKTA

Numerical Technologies LTD is a leading provider of custom software solutions and services specializing in risk, limits, and regulatory capital. Right now, we are looking for a Java Developer to join our team.

What will you be doing?

As part of the team, you will be participating in a project with a large US bank. You will be helping build new software features, support, and maintain existing ones. You will be writing scalable and fault-tolerant code, debugging programs, and integrating applications with internal and third-party services. You will be collaborating closely with the product team to understand the system’s functional and non-functional requirements and contribute to code quality through unit testing, integration testing, code reviews, and system design using Java to build robust software that aligns with business needs.

What we’re looking for:

• Strong programming background with Java and OOP skills.
• Hands-on experience with the Spring Framework (Spring Boot, JDBC, RESTful services).
• Working knowledge of Oracle and SQL.
• Experience with microservices and service-oriented architecture principles.
• Ability to test own code to ensure quality.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills in an international environment.
• Upper-intermediate English level or higher.
• Completed higher education (Bachelor’s degree or above) required.

What we offer:

• Competitive compensation depending on experience and skills.
• Regular assessments and salary reviews.
• Paid personal days.
• Health insurance.
• Mental health support program.
• Partial gym compensation.
• English/Polish/Spanish language classes.
• Flexible working schedule.

Project Description:

Deliver modern, omnichannel, real-time retailing shopping experience built on Sabre Travel AITM for low-cost carriers (LCC). Enhance direct offer capabilities to drive airline yield. LCC's require low-cost and highly configurable flexible eCommerce capabilities and provide the ability for LCC to process Offer and Order transactions. Provide reduced cost through consolidation of common components including consolidation of the order management system (OMS).

in scope:
Design, develop, test & deliver changes to OMS to achieve integration with Radixx
The development will be done to defined standards using NGP and GCP
Design, develop, test & deliver changes to OMS to achieve extension for both (Radixx&OMS) features

Responsibilities:

- Develops, codes, tests and debugs new moderately complex software solutions or enhancements to existing software in a maintenance capacity.
- Works with technical staff (Domain Experts) to understand problems with software and resolve them.
- Daily cooperation with client by supporting all needs and resolving problems.
- Assist in the development of software technical documentation.
- Designs and codes moderately complex applications using routine and/or advanced technology.
- Create optimization programs to resolve problems.
- Design and build prototype applications.

Mandatory Skills Description:

• Minimum 6 year of hands-on Java programming (including Java 17) 
• Experience and knowledge of open-source software, frameworks, and broader cutting-edge technologies around server-side development in Java 17;
• Wide and deep understanding of Java ecosystem, monitoring and diagnosis; Containers, Spring Boot, Docker, Kubernetes   
• Experience in Cloud deployments, Preferably in GCP 
Technology stack:
• Programming language: JAVA 17
• Version control system: Git
• Database: GCP Spanner
• Messaging: GCP Pub/Sub
• Microservices
• REST/JSON and/or GRPC API
• Monorepository
• GCP Traffic Director
• Envoy load balancer
• CI/CD
• Cloud provider: GCP
• Dependency management system: Maven and Bazel
• Java libraries: 
• Spring boot 2.2.X
• Spring 5.2.X
• Lombok
• Deployment: Containers deployed on GKE

Nice-to-Have Skills Description:

• RestAssured
• Cucumber
• TestNG
• IaaC (Terraform)
• Security and access control: Planned to use JWT, OKTA

Languages:

English: B2 Upper Intermediate

• Project Description:

  Deliver modern, omnichannel, real-time retailing shopping experience built on Sabre Travel AITM for low-cost carriers (LCC). Enhance direct offer capabilities to drive airline yield. LCC's require low-cost and highly configurable flexible eCommerce capabilities and provide the ability for LCC to process Offer and Order transactions. Provide reduced cost through consolidation of common components including consolidation of the order management system (OMS).
  
  in scope:
  Design, develop, test & deliver changes to OMS to achieve integration with Radixx
  The development will be done to defined standards using NGP and GCP
  Design, develop, test & deliver changes to OMS to achieve extension for both (Radixx&OMS) features

   

• Responsibilities:

  - Develops, codes, tests and debugs new moderately complex software solutions or enhancements to existing software in a maintenance capacity.
  - Works with technical staff (Domain Experts) to understand problems with software and resolve them.
  - Daily cooperation with client by supporting all needs and resolving problems.
  - Assist in the development of software technical documentation.
  - Designs and codes moderately complex applications using routine and/or advanced technology.
  - Create optimization programs to resolve problems.
  - Design and build prototype applications.

   

• Mandatory Skills Description:

  • Minimum 6 year of hands-on Java programming (including Java 17) 
  • Experience and knowledge of open-source software, frameworks, and broader cutting-edge technologies around server-side development in Java 17;
  • Wide and deep understanding of Java ecosystem, monitoring and diagnosis; Containers, Spring Boot, Docker, Kubernetes   
  • Experience in Cloud deployments, Preferably in GCP 
  Technology stack:
  • Programming language: JAVA 17
  • Version control system: Git
  • Database: GCP Spanner
  • Messaging: GCP Pub/Sub
  • Microservices
  • REST/JSON and/or GRPC API
  • Monorepository
  • GCP Traffic Director
  • Envoy load balancer
  • CI/CD
  • Cloud provider: GCP
  • Dependency management system: Maven and Bazel
  • Java libraries: 
  • Spring boot 2.2.X
  • Spring 5.2.X
  • Lombok
  • Deployment: Containers deployed on GKE

Project description

We are working on a platform, which receives data about securities and prices from various data providers, enrich and validate it, and finally distribute the consolidated data to internal bank systems. Our team is responsible for different web applications, desktop applications, web services and Linux environments that allow to visualize securities and to execute workflows on them.

Our components are created in Java 8-11, C# and .Net, JavaScript/TypeScript with Angular, Oracle, Spring 4-5 (as well as Spring Boot).

Responsibilities

Develop business and technical features for old and new applications

Prototype Ideas (we have many internal technical projects, we plan to rewrite all our legacy components in 1-2 years in Spring Boot and Spring Cloud, we play with Kotlin and Groovy)

Configure and maintain Windows and Linux environments (we own many environments, install agents and software, patch, monitor, etc)

Integrate our components with different internal and external client's systems

Configure, monitor, and troubleshoot Application servers (Tomcat, Weblogic)

Monitor applications, processes, scheduled jobs, collect different types of logs and metrics (ELK, ITRS, Autosys)

Setup and improve CI/CD (Jenkins, TeamCity, IBM Urban Deploy, Bash)

Automate routine with scripting languages (Groovy, Bash)

Write all types of tests: unit, integration, end-to-end

Design distributed applications (we deploy everything on more than one server, use load balancing and clusters, prefer lightweight and stateless solutions, extract functionality into small services, switch from monolith to microservice architecture)

Skills

Must have

Strong Java SE and Java EE with at least 10 years of commercial experience

Strong Spring knowledge (Boot, IoC, MVC, AOP, Security, Data, JDBC, Test)

Good knowledge of SQL and relational databases (Oracle)

Good understanding of Servlets, Servlet containers (Tomcat) and application servers (Weblogic)

Good understanding of CI/CD, experience with TeamCity or/and Jenkins

Hands-on user experience with Linux (navigation, work with files and folders, work with permissions, users and groups, work with processes and services, understanding of keys and certificates, simple Bash scripting)

Ability to dive into the problem, find effective and clean solutions, discuss them with the team and implement the best one when everyone is on the same page

Nice to have

Angular or similar (React, Vue), Angular Material, RxJs

Ability to create nice HTML/CSS layouts

Deep Oracle knowledge

Experience with ELK

Experience with Spring Cloud modules and microservice architecture

Job Description

Mandatory Requirements

• 1+ years of development experience in Java (preferably building/maintaining applications in enterprise segment)
• Good Core Java and practical experience with Java 17 (LTS)
• Good OOP/OOD principles understanding
• Good Spring concept understanding and practical experience (Core Container, JDBC, Web Services, MVC, Security, Boot)
• Understanding of Jakarta EE 10 specifications and components
• Good knowledge of SQL and practical experience with RDBMS (Oracle 19c is preferable)
• Version control: Git
• Understanding of RESTful API design and implementation
• Build tools: Maven, Gradle experience
• Linux experience: basic/regular user
• Good written and verbal English skills (Intermediate or better)

Nice to Have

• Jakarta EE experience: JMS, JAX-RS, CDI
• Application server: Red Hat JBoss EAP 8 experience
• Message broker: JBoss Artemis/ActiveMQ experience
• Front-end experience: SmartGWT 11+, GWT framework
• XML/XSD/XSLT/XPath for configuration
• Database migration and schema upgrade experience
• Technical or Telecom/OSS/BSS background

Job Responsibilities

• Working as part of a geographically distributed agile development team
• Participating in the migration and enhancement of enterprise telecommunications inventory management solutions
• Developing and refactoring custom modules to be compatible with modern Jakarta EE standards
• Migrating EJB-based services to RESTful web services
• Design and implement business logic including complex SQL queries (Oracle 19c)
• Support remote QA team with unit tests, integration tests, and end-to-end tests
• Improve and support deployed code and runtime configuration
• Troubleshoot and analyze problems identified in created solutions
• Participate in daily communication with technical teams (requirements clarification, status updates, technical discussions)

Department/Project Description

Our client is a global leader in telecommunications infrastructure and services, providing solutions to mobile and fixed network operators worldwide. The company's technology powers networks in over 180 countries, handling a significant portion of global mobile traffic.

GlobalLogic is engaged in System Integration activities for various OSS/BSS solutions including Network Inventory Management Systems, Resource Management, and Network Planning tools for a major telecommunications service provider in the international market.

The project scope involves:

• Upgrading and modernizing existing inventory management solutions
• Developing integration modules that connect network inventory systems with third-party systems (CRM, NMS, Activation, Trouble Ticketing,
• Workforce Management, Order Management)
• Migrating legacy application server infrastructure to modern, cloud-ready platforms
• Implementing microservices architecture patterns where applicable
• Project activities are primarily conducted within GMT+2 and GMT+3 time zones, following the Ukrainian work week schedule.

By joining this position, you will become part of a collaborative team working with:

• Enterprise-grade technology stack
• Established development processes and best practices
• Agile development methodology
• Continuous learning and professional growth opportunities

The full production cycle IT company specializes in the development of software products/services in the field of information technologies. The company's team is working on creating a Digital Assets Trading Infrastructure that allows companies and traders to interact in the cryptocurrency market.

We are looking for a Middle Java Developer to join our team. You will help build a scalable real time platform using Java, Spring Boot, and modern messaging technologies.

Responsibilities:
 

• Design, develop, and maintain non-critical microservices;
• Work with real-time public data streams for exchange operations;
• Build and optimize a notification management system;
  Implement robust and maintainable Spring Boot/Hibernate/REST API services;
• Ensure efficient message broker integration (Kafka, RabbitMQ);
• Optimize SQL-based data access and service performance;

• Continuously improve system performance, codebase maintainability, and development processes.

   

What will you do in the first 90 days?
 

• Implement Exchange Public Data Realtime Stream Processing
• Develop a Notification Management System

Job requirements:
 

• 4+ years of experience in software development;
• Proficiency in Java 18+ and modern Java features;
• Hands-on experience with relational databases and SQL, particularly PostgreSQL;
• Hands-on experience with message brokers (Kafka, RabbitMQ);
• Knowledge of Spring Boot, Hibernate, REST APIs;
• Knowledge of computer science fundamentals (algorithms, data structures).

Would be a plus:
 

• Experience with streaming technologies (Apache Flink, Hazelcast Jet).

• Experience with AWS Cloud services.

   

Company offers: 
 

• ‍Care from Day One – medical insurance immediately upon starting work, including dental care, massage and professional psychological support because your well-being matters
• Work-Life Balance – 24 days of paid vacation + 30 days of sick leave, so you can recover without unnecessary stress
• Investment in your energy – partial reimbursement for any sports activities that empowers you.
• Growth – partial coverage for English or Ukrainian language courses + a fixed budget for professional development. Choose what suits you best!
• Knowledge Library – books in the office and access to the Kuka online library to learn, grow, and find inspiration.
• Island Relaxation 14 days a year – enjoy a getaway at the corporate villa in Cyprus.

Join the team, where your talents and aspirations will be recognized! We offer a dynamic work environment, opportunities for professional growth, and support at every step of your career path. Start your journey to success with us—apply today and take the first step towards your bright future!

We are an equal opportunity employer. We encourage applications from candidates of all backgrounds and experiences. Please note, that only shortlisted candidates will be contacted. Thank you for considering us as your next career move!

Who We Are:
Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.  

About the Product
ControlUp provides organizations with real-time visibility and control over their digital environments, enabling IT teams to detect, diagnose, and resolve issues before they impact employees. The platform integrates multiple products into a single, unified experience—leveraging AI-driven automation, intelligent data processing, and scalable architecture to enhance productivity across global workplaces.

The DEX Platform team builds the core infrastructure that powers these capabilities, delivering high-performance backend services and real-time data pipelines at scale.

About the Role
We are looking for a Senior Java Engineer with a strong backend background and an interest or experience in big data systems to join our core platform team. You’ll take part in designing and implementing high-throughput, low-latency data pipelines and backend services that handle large volumes of real-time operational data.

This role combines software engineering excellence with data-centric problem-solving—you’ll work on scalable microservices, streaming architectures, and distributed systems in a fast-paced, cloud-native environment. You’ll collaborate closely with data engineers, AI specialists, and backend developers to shape the next generation of ControlUp’s data infrastructure.

Key Responsibilities

• Design, develop, and maintain high-performance backend services and real-time data pipelines.
• Build and optimize streaming solutions using Kafka and Flink 
• Contribute to the architecture, implementation, deployment, and monitoring of large-scale distributed systems.
• Collaborate with cross-functional teams to deliver data-driven insights and production-ready solutions.
• Ensure resilience, scalability, and observability across backend and data systems.

• Participate in performance optimization, troubleshooting, and system reliability improvements.

   

Required Skills & Experience

• 5+ years of backend engineering experience, with a strong focus on Java (Vert.x or Spring).
• Proven experience with microservices architecture and cloud platforms (Azure, AWS, or GCP).
• Hands-on experience with Kafka or other messaging systems.
• Strong understanding of object-oriented design, clean code principles, and system performance optimization.
• Experience working in production-grade, high-availability environments.
• Enthusiasm for exploring data-intensive and real-time systems.
• Interest in expanding into Data Engineering and large-scale distributed data processing.

• Excellent communication skills in English and a collaborative, problem-solving mindset.

   

Nice to Have

• Familiarity with Flink, Spark, or Beam for stream or batch data processing.
• Exposure to PostgreSQL, ClickHouse 
• Experience with Node.js (NestJS or Express).

• Familiarity with AI-first development tools (e.g., GitHub Copilot, Cursor).

   

Why Join ControlUp?

• Build systems that operate at massive scale and deliver real-time insights to global customers.
• Work in a high-impact team at the intersection of backend and data engineering.
• Opportunity to influence architectural decisions in an early-stage data platform initiative.
• Join a company recognized as a leader in the Digital Employee Experience (DEX) domain, trusted by top global enterprises.