Jobs Java

We are helping our partner — a fast-growing product company in the iGaming space — find a Senior Java Developer to join their backend team.

This is not a “just write code” role.

This is about building systems, making decisions, and owning the result.

What this role is really about

You’ll be working on a high-load casino product, where:

• systems process real-time events
• performance matters
• architecture decisions have real impact

The team builds services from scratch and owns them end-to-end.

What you’ll be doing

• Build new backend services from scratch
• Participate in architectural and technical decisions
• Work with microservices and distributed systems
• Solve complex technical challenges
• Collaborate in a cross-functional team (product / QA / dev)
• Take ownership of what you build — not just tasks

What we’re looking for

• 5+ years of experience with Java
• Strong experience with microservices architecture (2+ years)
• Deep understanding of distributed systems
• Hands-on experience with:
  • Spring Boot
  • PostgreSQL
  • Kafka (or similar messaging systems)
  • SQL + NoSQL databases
• Experience with AWS / Kubernetes will be a strong plus
• gRPC — nice to have

But more importantly:

You think, not just code

You take ownership

You can explain your decisions

What you get

• Product company (not outsourcing)
• Real impact on architecture and product
• Strong engineering team
• Fast-paced environment with real challenges
• Remote work

We are helping our partner — a fast-growing product company in the iGaming space — find a Middle Java Developer to join their backend team.

This is a product environment where backend engineering directly impacts platform stability, scalability, and business growth.

You won’t just “close tickets.” You’ll work on real systems, real architecture, and real technical challenges.

What this role is really about

You’ll be working on a high-load platform where:

• systems process real-time events;
• performance and reliability matter daily;
• backend services must scale under heavy load;
• technical decisions affect the whole product ecosystem.

The team builds and develops services end-to-end, with a strong engineering mindset and ownership culture.

What you’ll be doing

• Develop and improve backend services.
• Work with microservices architecture.
• Participate in technical discussions and solution design.
• Solve performance and scalability challenges.
• Collaborate closely with developers, QA, and product teams.
• Support and improve existing services while building new functionality.
• Take ownership of your work and engineering decisions.

What we’re looking for

• 3+ years of commercial experience with Java.
• Strong practical experience with:

  • Spring Boot;
  • PostgreSQL;
  • Kafka or similar messaging systems.

• Experience working with microservices.
• Good understanding of distributed systems principles.
• Experience with SQL and NoSQL databases.
• Experience with AWS or Kubernetes will be a plus.
• gRPC — nice to have.

But more importantly:

• You think beyond tasks.
• You can explain your technical decisions.
• You are proactive and structured in your work.
• You care about quality, not only delivery speed.

What you get

• Product company environment (not outsourcing).
• Real impact on the product and technical decisions.
• Strong engineering team and mature processes.
• Complex backend challenges and high-load systems.
• Remote work format.
• Fast-growing iGaming product with global scale opportunities.

About The Project
We are building a large-scale automated advertising platform that powers the buying and selling of digital ads globally. The solution is used by leading publishers and applications to connect with brands and deliver ads to a massive audience worldwide.

The platform operates as a high-load, distributed system that supports multiple ad formats (including display, video, and digital out-of-home) across various devices. It focuses on real-time transactions, scalability, and efficient data processing to ensure seamless ad delivery and optimization.

Job Description

- Experience building and operating large-scale, high-throughput, enterprise apps
- Experience in real-time systems or data engineering (ETL / Streaming) as opposed to simple API development.
- 6+ years coding experience in server-side Java
- Excellent Java Core knowledge (Java 8 or higher, Collections, Exceptions, Concurrency)
- Experience with RDBMS (MySQL, PostgreSQL), native SQL, ORMs (Hibernate)
- Experience with automated testing frameworks (TDD, Mocking, Unit/Functional/Integration)
- Hands-on in AWS cloud services 
- Understanding of VCS (Git)
- Experience working in a Linux environment.
- Fluent English verbal and written communication skills
- Shifted working hours 1pm till 9pm EEST timezone

- Shifted working hours 1pm till 9pm EEST time zone

Nice to have experience with:
- Familiar with Scala, Spark
- Commercial experience with Spring Framework (Boot, Core, MVC, Data)
- Experience with Redis, Aerospike, RabbitMQ, Kafka, Camel
 

Job Responsibilities

- Write production-ready code and unit tests that meet both system and business requirements.
- Respond to feature requests, bug reports, performance issues, and ad-hoc questions.
- Work collaboratively with multiple teams to deliver quality software.
- Comfortable in multi-tasking and fast-pacing dev process.
- Support operation of services in production.

We are 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
• Owning the entire development cycle, including design, architecture, development, and DevOps
• Working in XP with Remote pairing
   

Requirements:

• BS degree in Computer Science or equivalent combination of education and experience
• 5-6+ years of full-stack development
• 5-6+ years of experience in the following technologies: Java, Spring
• Experience with Functional Programming and Java Streams
• 2+ years of experience in front-end development with React
• Experience with developing a reactive UI (Reactive JS)
• 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
• 2+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
• Experience in DevOps development and Jenkins
• Experience in development in Kotlin – an advantage
• Experience in designing, developing, and deploying cloud/hybrid-based solutions
• Experience in developing and deploying in container-based environments (Kubernetes, Cloud Foundry)
• Familiarity with the following design concepts: micro-services, service discovery, circuit breaker
• Self-starter with the ability to appropriately prioritize and plan complex work in a rapidly changing environment
• Versatility and the capability to switch easily between different tasks and technologies
• Experience in assessing a broad range of information solutions and products
• Strong critical thinker with problem-solving aptitude
• Good English - verbal and written

Are you a Java Backend Developer who enjoys building clean, reliable backend systems, working with integrations, and taking ownership of your tasks?

We are looking for a Java Backend Developer to join our team and work on a new CRM product as well as existing backend systems and integrations. You should be comfortable with Java, Spring Boot, REST APIs, SQL, and daily communication with the team in English.

What You'll Do

• Develop and maintain backend applications using Java and Spring Boot
• Build and support REST APIs and backend integrations
• Work with SQL databases using native queries and JPA/Hibernate
• Help improve existing backend services, refactor code where needed, and keep solutions maintainable
• Participate in technical discussions, clarify requirements, and suggest practical solutions
• Work with Jira, Git, code review, and Agile/Scrum processes
• Communicate clearly with the team in English on a daily basis

Your Skillset

Core

• Java
• Spring, Spring Boot
• SQL
• JPA / Hibernate
• REST APIs
• Git
• Understanding of OOP and SOLID principles
• Basic understanding of data structures and algorithms
• Understanding of SDLC and Agile/Scrum workflows
• English level B1 or higher

Soft Skills

• Responsible and ownership-oriented
• Able to work independently and ask relevant questions when needed
• Attentive to details
• Able to receive and use feedback
• Clear communicator
• Team-oriented attitude
• Practical problem-solving mindset
• Willingness to learn and improve

Would Be a Plus

• Docker
• Basic CI/CD knowledge
• Unit and integration testing
• Kafka or other messaging systems
• Cloud platform basics, such as AWS, Azure, or GCP
• Database modelling experience
• Understanding of frontend/backend API contracts
• Experience with third-party integrations

Applications submitted through other channels will not be reviewed. In addition, we do not appreciate individual emails or messages sent to personal or alternative email addresses.

Are you a Java Backend Developer who enjoys building clean, reliable backend systems, working with integrations, and taking ownership of your tasks?

We are looking for a Java Backend Developer to join our team and work on a new CRM product as well as existing backend systems and integrations. You should be comfortable with Java, Spring Boot, REST APIs, SQL, and daily communication with the team in English.

What You'll Do

• Develop and maintain backend applications using Java and Spring Boot
• Build and support REST APIs and backend integrations
• Work with SQL databases using native queries and JPA/Hibernate
• Help improve existing backend services, refactor code where needed, and keep solutions maintainable
• Participate in technical discussions, clarify requirements, and suggest practical solutions
• Work with Jira, Git, code review, and Agile/Scrum processes
• Communicate clearly with the team in English on a daily basis

Your Skillset

Core

• Java
• Spring, Spring Boot
• SQL
• JPA / Hibernate
• REST APIs
• Git
• Understanding of OOP and SOLID principles
• Basic understanding of data structures and algorithms
• Understanding of SDLC and Agile/Scrum workflows
• English level B1 or higher

Soft Skills

• Responsible and ownership-oriented
• Able to work independently and ask relevant questions when needed
• Attentive to details
• Able to receive and use feedback
• Clear communicator
• Team-oriented attitude
• Practical problem-solving mindset
• Willingness to learn and improve

Would Be a Plus

• Docker
• Basic CI/CD knowledge
• Unit and integration testing
• Kafka or other messaging systems
• Cloud platform basics, such as AWS, Azure, or GCP
• Database modelling experience
• Understanding of frontend/backend API contracts
• Experience with third-party integrations

Applications submitted through other channels will not be reviewed. In addition, we do not appreciate individual emails or messages sent to personal or alternative email addresses.

About the company
We are a small profitable SaaS product team with high-ownership culture, running data retrieval and e-learning services for US and EU market.

About the role
We're seeking an engineer experienced in Payment orchestration. It will be mostly Backend work with some easy Frontend tasks.
Our tech stack is mainly Java Spring Boot for Backend, Astro and different JS frameworks for Frontend.

Responsibilities
- Working with API integrations with multiple PSPs
- Creation and improvement of payment routing logic
- Supporting subscription billing logic
- Making sure the code is resilient and observable
- Working on tokenization flows
- Development of webhook handlers

Requirements
- Experience with Java (Spring ecosystem) - 7+ years
- Strong experience with Payment orchestration
- Experience with different PSPs (Stripe, Adyen, Venmo, etc.)
- Experience with REST API
- Experience working in Fintech field
- English B2

Benefits
- Unlimited PTO policy
- Corporate devices (laptop, power station)

What if your next project was with a company whose name is often the first answer to the question: "Where would you work if you could choose any tech company in the world?"

We're hiring a Lead Java Engineer to join a strategic cloud infrastructure initiative focused on building and scaling a Managed Kafka Connect ecosystem for a large-scale managed streaming platform.

Why this role is interesting

This isn't another CRUD application.

You'll work on distributed systems that operate at massive scale, helping productionize and improve Kafka connectors used to move and process critical data across cloud environments.

The team is responsible for integrating, optimizing, and launching first-party connectors including:

• Apache Iceberg Sink
• Debezium MySQL Source
• Debezium MongoDB Source
• SQL Server CDC Source
• Spanner CDC Source
• Bigtable Sink
• BigQuery connector enhancements

The work spans distributed systems, cloud infrastructure, performance optimization, reliability engineering, CDC technologies, load testing, and production readiness.

Your impact

As a Lead Engineer, you'll help shape technical direction and engineering practices while remaining hands-on.

You will:

• Lead architecture and design discussions
• Mentor engineers and support technical growth
• Drive delivery of complex distributed systems components
• Improve scalability, performance, and reliability
• Collaborate with product and engineering stakeholders
• Participate in launch readiness, operational reviews, and production support planning

Technology Stack

• Java
• Apache Kafka
• Kafka Connect
• Distributed Systems
• JVM Performance & Optimization
• Cloud Infrastructure
• Reliability Engineering

Nice to have:

• Go
• CDC technologies
• Experience building infrastructure, platform, or data-intensive products

We're looking for someone who has

• Strong experience with Java backend development
• Deep understanding of distributed systems
• Experience with Kafka ecosystem
• Technical leadership experience
• Strong system design and problem-solving skills
• Ability to mentor and guide engineers
• Upper-Intermediate+ English

Location

📍 Kraków, Poland

This is an office-based role.

Relocation support is available for candidates moving to Kraków.

We are looking for an Advanced Software Engineer Java who is passionate about technology, development and deployment of a SaaS product.

Innovecs is a global digital transformation tech company with a presence in the US, the UK, the EU, Israel, Australia, and Ukraine. Specializing in software solutions, the Innovecs team has experience in Supply Chain, Healthtech, Software & Hightech, and Gaming.
For the fifth year in a row, Innovecs is included in the Inc. 5000 and recognized in IAOP’s ranking of the best global outsourcing service providers. Innovecs is featured in the Global Top 100 Inspiring Workplaces Ranking and won gold at the Employer Brand Management Awards.

Our value to you: 

• Flexible hours and remote-first mode
• Competitive compensation
• Complete Hardware/Software setup – anything you need for work
• Open-door culture, transparent communication, and top management at a handshake distance
• Health insurance, vacation, sick leaves, holidays, paid maternity/paternity leave
• Access to our learning & development center: workshops, webinars, training platform, and edutainment events
• Virtual team buildings and social activities 

If you feel like you’re the perfect match for this role, drop us your CV! 

There are no limitations, no barriers when the right people are on your way — apply for the vacancy and succeed with us

Innovecs is an equal opportunity employer. All hiring decisions are based on professional qualifications, skills, and experience. We are committed to a transparent, merit-based recruitment process that prevents discrimination and ensures equal opportunities for all candidates. Reasonable accommodations are available upon request throughout the recruitment process to support accessibility and inclusion.

Requirements

• At least 7+ years of experience in java server-side, and must have deep understanding of reactive systems experience in areas: java concurrent programming, java security, reactive programming, network programming and mechanical sympathy understanding,
• Knowledge of programming patterns and design principles which and solving complex problems using algorithms,
• Experience in low latency / high-throughput algorithms,
• Experience in building large-scale, multi-tenant mission-critical systems,
• Understanding of transport protocols and formats: WebSocket, Google Protocol Buffers, Json, SBE,
• Background with the Fin-Tech industry - big advantage,
• Experience with ultra-low-latency systems - big advantage,
• Experience with Aeron technology - MUST,
• Learn and Contribute to open source projects - big advantage,
• Familiarity with microservices architecture - advantage,
• Experience with cloud and bare-metal environments - advantage,
• Experience with Kubernetes - advantage,
• Experience at working with distributed remote teams,
• Passion Curiosity to constantly learn and improve,
• Passion to help the team members to learn,
• Fluent Verbal and Written English Skills required,
• Self-learning enthusiasm,
• Taking ownership and responsibility,
• Communicative and transparent,

• Team Player.

   

Responsibilities

• Be part of an agile team, the core technological team to build and advance a low latency / high-throughput trading platform,
• Participate in all aspects of the development and influence foundation for a system affecting a huge market,
• Lead features from design to production,
• Take active part of Teamwork and team spirit, share and learn from each other,
• Take part in a deep tech product development,
• Take part in influencing the evolution of exberry architecture,
• Take part in influencing product development and growth,
• Take part in ever improving the product delivery life-cycle,
• Help the agile team meet its goals.

Company Description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. 
Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.
 

Job Description

We are looking to hire a Senior Java Developer who will take part in development and maintenance services for customized software solutions for large European customer, a provider of innovative software solutions for the public sector.
The client is a technology service provider specializing in digital solutions for public sector organizations. The company focuses on developing secure, scalable platforms that support administrative processes, data management, and digital transformation initiatives.
The project includes software application development in the tax administration domain. The system under development is the tax administration system that covers taxation processes in one of the European countries. This is the complex system that covers the full life-cycle of tax declarations processing and tax calculations and assessments that included integration with multiple external systems. The project team consist of 20+ people.
 

Responsibilities:

• Implement software components according to the design specifications
• Perform system integration and testing, problem troubleshooting, and resolution
• Perform unit testing of software components
• Participate in estimating project efforts and delivery timelines
• Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability
• Provide technical input into product roadmaps
• Participate in triage activities (incident analysis and prioritization)
• Support and optimize CI/CD processes

Project Tech Stack: 
Backend (Java): Spring, Quarkus. Frontend: Angular (latest versions)
Data & Integration: PostgreSQL,RESTEasy, Hibernate / Panache, Kafka
Architecture, DevOps & Tools: Microservices, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana
 

Qualifications

• 6+ years of experience in Java development
• Strong experience with Spring Framework, Quarkus
• Understanding of microservices architecture and containers (Docker/Kubernetes)
• Experience with relational databases (PostgreSQL or other RDBMS)
• Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ)
• Good understanding of testing principles
• Ability to communicate confidently in English
• Strong communication and collaboration skills with stakeholders and distributed teams

Nice to have:

• Experience in Angular front-end development
• German or Swiss German language skills 
   

Additional Information

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.

Our client is a fast-growing digital platform that transforms how organizations manage complex financial workflows and user roles across multiple tiers. We’re looking for a skilled and proactive Junior Java developer to join a lean and agile engineering team working on a modern, modular, performance-optimized web application. The ideal candidate will be able to contribute to feature development, work proactively, and maintain a steady development pace.
 

You will be joining a project that combines user-centric dashboards, secure document flows, automated validation systems, visual analytics, and flexible admin tools — all designed to simplify interaction between companies, consultants, and regulatory bodies.

Responsibilities

• Develop and maintain Java backend services and APIs, ensuring smooth integration with the frontend of a complex web platform.
• Provide accurate project estimations and adhere to them
• Maintain high code quality through testing, peer reviews, and documentation
• Communicate clearly and effectively with team members.

Requirements

• 0.5+ years of proven relevant experience in building complex enterprise applications and/or microservices platforms using modern AI tools
• Good knowledge of de-facto standard Java stack technologies, frameworks, their drawbacks, workarounds, and best practices
• Confident knowledge of Core Java, Spring Framework, Spring Boot, Spring Security, Spring Data, JPA/Hibernate, OOP, and basic design principles.
• Solid understanding of Computer Science fundamentals (Data Structures, Algorithms, DB normalization, Concurrency, etc.)
• Strong analytical and problem-solving skills, with the ability to tackle typical development challenges while maintaining attention to detail
• Confident written communication skills in English, with the ability to explain complex technical concepts in simple words to non-technical stakeholders
• Demonstrated ability to thrive in competitive environments, consistently seeking professional growth and ready to tackle challenging tasks with confidence and enthusiasm
• Ability to work independently and maintain a good vibe in a team
• Ability to debug, refactor, and test your code

Nice to Have

• Knowledge of message brokers (Kafka, RabbitMQ, NATS) and asynchronous processing.
• Experience with Kubernetes, Linux administration, AWS.

We look forward to your application!

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe.
We are looking for a new team member to join our System devisions as a Senior Java Developer.

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

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


Required Experience:

• Java: 5+ years of professional backend development in enterprise environment
• Kotlin: Knowledge and practical work experience
• Java Concurrency: Strong understanding and practical application experience

Architecture & Design:

• Understanding of SOA, microservice, and event-driven architecture
• Cloud development principles with practical AWS experience
• Ability to scale and ensure high availability of loaded systems
  
   

Technologies & Tools
Required:

• MongoDB, NATS
• Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)
• Docker and Kubernetes (containerized applications)
• Git, Gradle, Jenkins
  
   

Nice to Have:

• Redis, Netty, Akka, gRPC, Project Reactor

We offer:

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

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

Delasport — Implementing Technological Solutions Here and Now

Delasport is an iGaming software company providing Sports Betting & Online Casino software and turnkey B2B solutions. Since 2010, we have made a significant impact on the industry, earning awards and expanding our global presence. With offices in Bulgaria, Ukraine, and Malta, our team of more than 500 experts continues to drive innovation and strive for excellence. We are looking for top talent to join our R&D center in Kyiv.

The Product Launch team is built for people who don’t just maintain systems but create them. We take products from zero to hero, and scale them until they’re strong enough to be handed over to core teams. No legacy constraints. No endless support cycles. Just greenfield builds, modern tech, and real ownership from day one.

We move fast, think lean, and execute with focus, one product at a time, full commitment, full impact. Every sprint matter, every decision ship value. This is not a support team. It’s a build-from-scratch engine for products that matter, because every hero needs a superhero.

RESPONSIBILITIES

• Design and build backend services and APIs from the ground up — powering brand-new products from initial concept to production
• Own technical decisions early in the product lifecycle, shaping architecture, data models, and service boundaries without legacy constraints
• Develop scalable, high-performance systems using modern Java technologies, designed to evolve quickly as products gain traction
• Work closely with product, design, and frontend teams to define and deliver features — contributing to what gets built, not just how
• Move fast and ship often — iterating on real user feedback and continuously improving the product as it grows
• Lay the foundation for long-term scalability and reliability, ensuring each product is ready to be handed over to core teams
• Drive engineering excellence through clean design, pragmatic decisions, and high-quality code, even under fast-paced delivery cycles
• Support and mentor teammates through hands-on collaboration, helping raise the bar while building impactful products together
•  

REQUIREMENTS

• 5+ years of backend development experience with strong expertise in Java and object-oriented design
• Solid knowledge of design patterns, system architecture, and scalability principles
• Hands-on experience with databases (SQL/NoSQL) and message-driven systems (e.g., Kafka, RabbitMQ)
• Familiar with containerization and orchestration (Kubernetes, Docker)
• Comfortable with automated testing (unit, integration, performance)
• Proven track record building and supporting production-grade, high-load systems
• Thrive in a dynamic, fast-changing environment with shifting priorities
• Strong communicator with a proactive, ownership-driven mindset.

• At least Upper-Intermediate English level

   

WHAT WE CAN OFFER YOU

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

Company Description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. 
Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking to hire a Senior Java Developer who will take part in development and maintenance services for customized software solutions for large European customer, a provider of innovative software solutions for the public sector.
The client is a technology service provider specializing in digital solutions for public sector organizations. The company focuses on developing secure, scalable platforms that support administrative processes, data management, and digital transformation initiatives.

The project includes software application development in the tax administration domain. The system under development is the tax administration system that covers taxation processes in one of the European countries. This is the complex system that covers the full life-cycle of tax declarations processing and tax calculations and assessments that included integration with multiple external systems. The project team consist of 20+ people.

Responsibilities:

• Implement software components according to the design specifications
• Perform system integration and testing, problem troubleshooting, and resolution
• Perform unit testing of software components
• Participate in estimating project efforts and delivery timelines
• Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability
• Provide technical input into product roadmaps
• Participate in triage activities (incident analysis and prioritization)

• Support and optimize CI/CD processes

   

Project Tech Stack 
Backend (Java): Spring, Quarkus. Frontend: Angular (latest versions)
Data & Integration: PostgreSQL,RESTEasy, Hibernate / Panache, Kafka
Architecture, DevOps & Tools: Microservices, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana

Qualifications

• 6+ years of experience in Java development
• Strong experience with Spring Framework, Quarkus
• Understanding of microservices architecture and containers (Docker/Kubernetes)
• Experience with relational databases (PostgreSQL or other RDBMS)
• Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ)
• Good understanding of testing principles

• Ability to communicate confidently in English

   

Additional Information

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.

• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

   

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.

We are looking for an experienced Senior Backend Engineer to join a fast-growing product company and help build scalable backend services, core platform capabilities, and new product features used by customers worldwide.

As part of a highly collaborative engineering team, you will take ownership of backend solutions from design to production, contribute to architectural decisions, and help ensure the reliability and performance of mission-critical systems.

Responsibilities

• Design, develop, and maintain backend services and APIs using Java.
• Build and deliver end-to-end features and new platform capabilities.
• Collaborate closely with product managers and engineering teams.
• Participate in architectural discussions and technical decision-making.
• Ensure service reliability, scalability, and performance.
• Participate in on-call rotations and production support activities.
• Contribute to engineering best practices, knowledge sharing, and continuous improvement.

Requirements

• 5+ years of hands-on experience in Java backend development.
• Strong experience with relational databases and SQL.
• Experience designing and developing RESTful APIs and web services.
• Solid understanding of Linux-based environments.
• Experience working in Agile development teams.
• Passion for writing clean, maintainable, and reusable code.
• Self-motivated, proactive, and results-driven mindset.
• B.Sc. in Computer Science or equivalent practical experience.

Nice to Have

• Experience with microservices architecture and distributed systems.
• Experience building and scaling highly available applications.
• Hands-on experience with caching technologies such as Redis or Memcached.
• Experience with messaging systems (RabbitMQ or similar).
• Familiarity with reactive frameworks such as Spring WebFlux or RxJava.
• Experience with Kafka, Spark, or other streaming/data-processing platforms.
• Experience with parser generators such as ANTLR or JavaCC.