Jobs Java
78
Senior Backend Developer
Kozak Agency
Verified Employer
$$$
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
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English - B2
Requirements:
5+ years of overall commercial software development experience
Java: 4+ years of experience
C++: 2+ years of experience
Scala: 2+ years of experience
Π2+ English
Responsibilities:
Own SQL acceleration features end-to-end β from design to implementation and measurable performance impact
Implement and optimize Big Data processing algorithms across Scala, Java, and C++
Develop performance-critical components at the intersection of Big Data and compilers
Work with custom DSL and code generation...
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157 views
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31 applications
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10d
Senior Java Developer
Luxoft
Top Employer
Full Remote
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Ukraine
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6 years of experience
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English - B2
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...
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104 views
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9 applications
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10d
Senior Java Developer with desktop development
Luxoft
Responds Quickly
Full Remote
Β·
Ukraine
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6 years of experience
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English - B2
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Energy / Utilities
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...
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32 views
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2 applications
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10d
Middle Java Developer
YozmaTech
$$$$
Full Remote
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Worldwide
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4 years of experience
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English - B2
YozmaTech isnβt just another tech company β weβre a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If youβre passionate about building meaningful products and want to join a team that feels like family...
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252 views
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110 applications
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10d
Middle-Senior Java Developer - Low-Latency Systems (Aeron / Chronicle Stack)
CleanCode Agency
$$$$
Full Remote
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Worldwide
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3 years of experience
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English - B2
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Fintech
We're hiring a Java developer to build ultra-low-latency systems using Aeron and Chronicle.
You will design and optimize high-throughput messaging with Aeron (IPC/UDP, Cluster, Archive), build persistent off-heap data layers with Chronicle Queue and Chronicle Map, and tune JVM performance down to the microsecond.
You bring strong Java (17+), production experience with Aeron or Chronicle Wire & Queue, understanding of mechanical sympathy, lock-free concurrency, off-heap memory, and Linux perf tooling....
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333 views
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73 applications
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10d
Full-Stack Java Developer
ARRISE
Responds Quickly
$$$$
Full Remote
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EU
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5 years of experience
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English - B1
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Gambling
About us:
ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the worldβs biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.
Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada,...
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355 views
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27 applications
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11d
Java visualization engineer
Luxoft
Top Employer
$$$$
Full Remote
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Ukraine
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5 years of experience
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English - B2
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Energy / Utilities
Project Description:
The SEM product is embedded within the Geosciences Suite of Applications. This application has multiple views consisting of both 2D and 3D visualizations. The current data visualization is not sufficient for what we would like it to be. This role is expected to work with the lead and the product owner to understand the current shortcomings, investigate and research potential solutions, propose these solutions to the teams, and then work on the implementation of the agreed upon work. To...
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47 views
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4 applications
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11d
Senior Full Stack Engineer (Java+React/Angular)
N-iX
$$$$
Ukraine
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5 years of experience
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English - B2
N-iX is looking for Senior Full-Stack developer (Java+React/Angular) to join our team.
About the Role
Our client is looking for a Java FullβStack Developer to help accelerate product development for their flagship workforce management solution, HotSchedules Labor. Youβll work in a collaborative, international team with developers and QA engineers from Ukraine, Latin America, and the US. This role offers a great opportunity to strengthen your English skills, as many team meetings are held in English.
The...
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100 views
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9 applications
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11d
Senior Java Engineer (with React/Angular experience)
N-iX
$$$$
Ukraine
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5 years of experience
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English - B2
N-iX is looking for Senior Java Engineer (with React/Angular experience) with AI to join our team.
About the Role
Our client is looking for a Java Full Stack Engineer with AI to help accelerate product development for their flagship workforce management solution, HotSchedules Labor. Youβll work in a collaborative, international team with developers and QA engineers from Ukraine, Latin America, and the US. This role offers a great opportunity to strengthen your English skills, as many team meetings are...
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89 views
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4 applications
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11d
Java Developer (Full-stack)
Modus Soft
Top Employer
$$$$
Full Remote
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EU
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3 years of experience
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English - B1
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Telecom / Communications
Required Skills:
β At least 3 years of experience developing using the Java language.
β Experience with Spring Framework and application design patterns (Core, MVC, Security, Data).
β Experience with RDBMS and ORM.
β Experience with Docker, Jenkins, Maven, Tomcat.
β Experience with development and maintenance of REST API.
β Experience with frontend technologies (JavaScript, HTML, CSS).
β Experience with GIT and version control.
β Ability to work independently or collaboratively as needed.
β Effective...
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191 views
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65 applications
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11d
Senior Java Engineer
N-iX
Responds Quickly
$$$$
Full Remote
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EU
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5 years of experience
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English - B2
We are looking for talented Senior Java Engineer to to join our AI project in Europe.
Our California-based customer is an American global e-commerce leader, one of the most popular and successful websites on the Internet. It provides platform services by connecting millions of sellers and buyers in more than 190 markets around the world.
Responsibilities:
Design and develop a robust and extensible Kotlin framework and platform for configuring and managing AI agents
Write clean, maintainable, and...
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154 views
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21 applications
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13d
Senior Backend Engineer (Java+Python) (USA time zone)
Devico
Responds Quickly
$$$
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
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English - B2
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...
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253 views
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38 applications
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14d
Middle Java Backend Engineer
Algohouse
$$$
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - A2
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Education
About the role
We are looking for a Middle Java Backend Engineer to join our team and work on developing and supporting backend services.
You will be involved in building REST APIs, working with databases, and integrating with external systems.
Responsibilities
Develop and maintain backend services using Java and Spring Boot
Build and support REST APIs
Work with PostgreSQL (schema design, query optimization, transactions)
Integrate with external services via HTTP APIs
Implement authentication and...
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303 views
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143 applications
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15d
Senior Java Engineer
Proxet
$$$$
Full Remote
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Ukraine
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5 years of experience
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English - B2
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Telecom / Communications
Senior Java Engineer (high-load product)
Are you a Java Developer looking for new challenges?
What about working with a high-profile client with millions of QPS?
If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.
Project tech stack:
Concurrency - a high-load, low-latency system.
Cache: Aerospike, Memcached
Cloud: AWS, GCP
DB: PostgreSQL, Superset
Streams: Kafka,...
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155 views
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17 applications
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15d
OMS Developer (Fluent Commerce / CommerceTools)
Aimprosoft
$$$
Full Remote
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Worldwide
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3 years of experience
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English - B2
AIMPROSOFT β OMS Developer (Fluent Commerce / CommerceTools)!
Aimprosoft, a fast-growing IT company, is looking for a OMS Developer (Fluent Commerce / CommerceTools) on a contract basis for a long-term international project in the E-Commerce / Marketplace domain.
This is a senior hands-on role for a specialist who can help implement and configure order management processes in Fluent Commerce, challenge solution flows when needed, and support a complex integration landscape involving CommerceTools,...
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265 views
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16 applications
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16d