Jobs Java
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Β· 173 views Β· 10 applications Β· 12d
Middle Software Engineer (Fullstack-Java \React)
Full Remote Β· Poland Β· 3 years of experience Β· English - B2Minimum of a Bachelorβs in Computer Science or related degree. 3+ years of development experience. Client-server application development experience implementing end-user workflows. Strong working knowledge of Java, JSON, RESTful Web APIs, JDBC,...Minimum of a Bachelorβs in Computer Science or related degree.
3+ years of development experience.
Client-server application development experience implementing end-user workflows.
Strong working knowledge of Java, JSON, RESTful Web APIs, JDBC, JavaScript, HTML, CSS, Tomcat, Apache HTTP Server, and the Linux environment.
Working knowledge of React. Relay and GraphQL are a plus.
Working knowledge of Java open-source frameworks (e.g., Play, Spring, Hibernate).
Experience with relational database principles.
Experience developing and debugging software in a multi-threaded environment
Strong proven design skills with the ability to work well in a dynamic, fast-paced environment with high expectations.
Solid experience with the full software development life cycle and a proven track record in successfully bringing products to market.
Excellent written and verbal communication skills, and the ability to interact well with both internal teams and external customers and partners.
Experience working in an agile scrum environment.
Knowledge of AWS, VMWare, or Citrix system is plus.
Job Responsibilities
Responsible for design and delivery of technical components on the server side of our client server application services.
Develop full-stack application functionality within a dynamic agile scrum environment.
Create high quality code testable through automation.
Create unit and functional automated tests.
Participate in troubleshooting and resolution of customer issues.
Department/Project Description
The qualified candidate will work as a member of the software development team focused on security, multifactor authentication, and server components for clientβs Enterprise Access Management product.β― This team is responsible for the architecture, design, and development of features for one of our essential product lines.β― We are looking for someone who enjoys the challenge of tough technical problems and who wants to work on products helping over 1 million users every day in saving time, reducing frustration and providing a better user experience. We need someone with a passion for building world-class applications and desire to make an impact on our organization and on solving real-world problems.
Skill Category
Java
Keyskills - Must Have
- Java
- react
- Spring
- AWS
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Β· 242 views Β· 80 applications Β· 16d
Middle / Senior Back-End Developer (Java + AWS)
Full Remote Β· Countries of Europe or Ukraine Β· 3 years of experience Β· English - B2AIMPROSOFT - Middle+ / Senior Back-End Developer (Java) Opportunity! Aimprosoft is looking for a Middle+ / Senior Back-End Developer (Java + AWS) to join a long-term (6β12 months, with a strong likelihood of extension depending on project progress and...πAIMPROSOFT - Middle+ / Senior Back-End Developer (Java) Opportunity!
Aimprosoft is looking for a Middle+ / Senior Back-End Developer (Java + AWS) to join a long-term (6β12 months, with a strong likelihood of extension depending on project progress and business needs) international project in the Payments Infrastructure & Integrations domain.
The project focuses on building and maintaining backend services that integrate external providers (banks, acquirers, and alternative payment methods) into a unified payment platform used by global merchants. The system operates at scale and requires high reliability, security, and clear integration contracts.
π―About the project & role:
You will work on Java-based backend services responsible for provider integrations and internal service communication.
The role focuses on microservices development, API integrations, and stable backend evolution within an established engineering environment.Your contribution will help ensure consistent provider connectivity, system stability, and smooth rollout of new integrations.
π₯What We Need From You:- 3+ years of experience in Java SE (17/21) development
- Strong experience with microservices architecture
- Solid knowledge of: Spring framework, Maven
- Experience with relational databases (MySQL, PostgreSQL)
- Experience with NoSQL technologies (Redis, MongoDB)
- Familiarity with AWS (EC2/SQS/SNS/ECS/EKS/S3)
- Hands-on experience with (CI/CD pipelines, Docker)
- Ability to translate user requirements into technical solutions
- Experience using AI tools (ChatGPT, Claude, Cursor) for: Research, Drafting documentation
- Fast learner and strong team player
- English: Upper-Intermediate (B2) or higher for communication with international teams.
πNice to have:
- DynamoDB experience
- Kubernetes experience
- Experience with GCP
- To be available from 5pm to 9pm Kyiv time (4β5 hours overlap with Central Time (CT))
- Experience in Payments Infrastructure domain project
Bachelorβs or Masterβs degree in Computer Science or related field.
πΌWhat We Offer:
- Official military deferment (reservation)
- A competitive salary that appreciates your skills and experience
- Cozy atmosphere and modern approaches. We have neither bureaucracy nor strict management nor βworking under pressureβ conditions
- Opportunity to implement your ideas, tools, and approaches. We are open to changes and suggestions aimed at improvement
- Work on a strategic, large-scale international project with high visibility.
- Remote-friendly culture with strong team collaboration.
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Β· 25 views Β· 3 applications Β· 16d
Java Team Lead
Full Remote Β· Ukraine Β· 7 years of experience Β· English - C1Project description A next-generation cross-asset data management platform to provide globally consistent data and innovative tools to support business strategy for trade/sales clients that is built on big data architecture, highly scalable, and...Project description
A next-generation cross-asset data management platform to provide globally consistent data and innovative tools to support business strategy for trade/sales clients that is built on big data architecture, highly scalable, and cloud-ready. The platform enables industry-leading analytics, client reporting, regulatory compliance, surveillance, supervisory reporting, and data science solutions (data flame). The project tech stack: Java, Scala, Spring, SQL, Kafka, Hadoop.
We are looking for a strong Senior Java Developer capable of being able to work within the team, being a mentor for team members, communicating with stakeholders, and being accountable for the whole team and the outcomes of activities that are assigned.
The role of the Team Lead involves working with strong development teams (3 Senior Java Developers), the opportunity to work with big data improving knowledge in this domain utilizing the resources of an international bank.Responsibilities
Design and build frameworks for ingesting/modeling the complex Risk data
Develop Low latency caching to service Front office risk systems
Setup monitoring and management for services
Provide SME support for development of automated QA scripts
Management of Team
Skills
Must have
Team Lead experience
Development experience with expertise in the following:
Designing and building APIs (Java);
Java Server-side or Back-end development;
Core Java;
Java collections and multithreading;
Java Memory Management;
Database and SQL (writing stored procedures, designing table schemas).
Understanding of distributed systems.
Understanding of CI/CD workflow.
Linux
Ability to multi-task and work under pressure.
Ability to pick up new concepts and apply the knowledge.
Demonstrated problem-solving skills.
Enthusiastic and proactive approach with a willingness to learn.
The candidate is expected to be dynamic, and flexible with a high energy level as this is a demanding and rapidly changing environment
Nice to have
Experience in Hadoop Ecosystem (HDFS, Impala, HIVE, HBASE, etc.)
Experience In-memory databases and caching
Job Orchestration tools like Autosys or Airflow
Apache Spark
Financial background (where possible)
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Β· 63 views Β· 15 applications Β· 16d
Java Developer (Universe DB, SQL)
Full Remote Β· Ukraine Β· 5 years of experience Β· English - B2Project description We are executing a phased modernization program to migrate a legacy enterprise system built on Rocket UniVerse (UniVerse / UniData) database technology and a PowerBuilder client-server application stack to a modern Java-based platform...Project description
We are executing a phased modernization program to migrate a legacy enterprise system built on Rocket UniVerse (UniVerse / UniData) database technology and a PowerBuilder client-server application stack to a modern Java-based platform with a relational SQL backend for a large US insurance company.
As part of this initiative, we are looking for a Senior Data Migration Engineer to play a key role in the data and data-driven logic migration. The primary responsibility of this role is to design and implement Java-based tooling for data extraction, transformation, validation, and reconciliation, ensuring that the migrated data in the target Database environment is accurate, consistent, and functionally equivalent to the legacy system.
This is a migration-focused role. Success in this position requires strong experience with Universe DB / MultiValue data models, combined with the ability to build robust, repeatable migration and validation components in Java within a phased or parallel-run modernization program.Responsibilities
This role focuses on Java-driven migration tooling and data validation, combined with deep expertise in Rocket UniVerse.Developer will design and implement Java-based solutions to extract, transform, validate, and reconcile data and data-driven business logic from Universe DB, while also accounting for how this data is consumed and interpreted by the legacy PowerBuilder application.
Skills
Must have
Java:
Β· Strong experience with Java for backend development, batch processing, or migration tooling
Β· Experience with Java frameworks (Spring / Spring Boot preferred)
Β· Familiarity with data processing, concurrency, error handling, and logging
Β· Ability to design and build reliable, reusable migration and data validation components
Universe DB:
Β· Hands-on experience with Rocket UniVerse (UniVerse and/or UniData)
Β· Strong understanding of:
MultiValue data models and record structures
DICT files and metadata definitions
Data extraction, access patterns, and performance considerations
Β· Experience supporting Universe-based systems or participating in migration initiatives
Databases & SQL:
Β· Strong SQL skills with experience in relational databases
Β· Practical experience with PostgreSQL or similar platforms
Β· Experience mapping MultiValue data structures to relational schemas
Β· Understanding of data integrity, transactions, indexing, and query performance
Nice to have
Experience in Universe DB to SQL migration projects
Familiarity with ETL concepts and data validation frameworks
Basic understanding of Java backend data access patterns
Experience working in phased or parallel-run migrations
Exposure to enterprise or regulated environments
Languages
English: B2 Upper Intermediate
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Β· 155 views Β· 10 applications Β· 15d
Senior Integration / API Engineer (MuleSoft, Kafka, Salesforce)
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· English - B2AIMPROSOFT - Senior Integration / API Engineer (MuleSoft, Kafka, Salesforce) Opportunity! Aimprosoft, a fast-growing IT company, is expanding its cooperation with a large European retail enterprise operating across multiple countries. We are looking...π AIMPROSOFT - Senior Integration / API Engineer (MuleSoft, Kafka, Salesforce) Opportunity!
Aimprosoft, a fast-growing IT company, is expanding its cooperation with a large European retail enterprise operating across multiple countries. We are looking for a Senior Integration / API Engineer to join a strategic CRM and integration landscape centered around Salesforce Sales Cloud, Kafka, and an existing MuleSoft integration layer.
π―About the project & role:
You will join an active enterprise ecosystem where Salesforce acts as the core B2B CRM, integrated with multiple surrounding systems across the organization.
Currently, Salesforce communicates via MuleSoft, which in turn connects to Kafka and other internal systems.
As the sole integration specialist on the project, you will:
- Maintain and extend existing integrations
- Design and implement new data flows
- Work closely with multiple development teams to understand information needs
- Evaluate integration approaches and challenge MuleSoft usage when it is not the optimal solution
This role requires strong independence, architectural thinking, and broad integration experience, not just MuleSoft configuration skills.
π₯What We Need From You:- 5+ years of experience as an Integration / API Engineer
- English level β Upper-Intermediate (B2) or higher.
- Hands-on experience with MuleSoft Anypoint Platform (design, development, maintenance)
- Strong experience with API design and integration patterns (REST, event-driven architectures)
- Practical experience with Kafka or other message brokers
- Solid understanding of the Salesforce object model and Salesforce integration patterns
- Experience integrating Salesforce with external systems (ERP, PIM, analytics, internal platforms)
- Ability to work independently and derive integration requirements without detailed upfront specs
- Capability to design, document, and explain integration solutions to technical and non-technical stakeholders
- Readiness to challenge existing architecture and propose better or simpler alternatives
- Ensure a single source of truth for accounts and partner data.
- Ability to analyze requirements and propose technical solutions
- Participate in discovery and planning sessions; challenge requirements when needed.
- Experience collaborating with architects, business analysts, and PMs
- Ensure platform security, scalability, and performance.
- Ability to evaluate requirements and guide the business toward scalable solutions.
- Strong problem-solving and communication skills
πNice to have:
- Experience designing Salesforce β Kafka direct integrations
- MuleSoft certifications or Salesforce integration certifications
- Background as an API / Integration Architect
- Previous experience in Retail, E-Commerce, or Construction B2B domains.
- German language understanding is a plus.
- Education: A Bachelorβs or Masterβs degree in Computer Science, Engineering, or a related field is preferred (or equivalent real-world experience).
πΌWhat We Offer:
- A competitive salary that appreciates your skills and experience
- Long-term collaboration with a large-scale European enterprise.
- Opportunity to define architectural standards and influence product direction.
- Cozy atmosphere and modern approaches. We have neither bureaucracy nor strict management nor βworking under pressureβ conditions
- Opportunity to implement your ideas, tools, and approaches. We are open to changes and suggestions aimed at improvement
- Work on a strategic, large-scale international project with high visibility.
- Remote-friendly culture with strong team collaboration.
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Β· 199 views Β· 38 applications Β· 5d
Senior Backend Developer, AI Development
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 7 years of experience Β· English - B2Strong backend-leaning engineer (Java + Python) with pragmatic AI-assisted development experience and enough frontend basics to collaborate end-to-end; cloud exposure preferred (Azure/GCP). We are looking for a Software Engineer who can ship in a modern...Strong backend-leaning engineer (Java + Python) with pragmatic AI-assisted development experience and enough frontend basics to collaborate end-to-end; cloud exposure preferred (Azure/GCP).
More
We are looking for a Software Engineer who can ship in a modern AI-assisted workflow and bridge solid software engineering fundamentals with practical AI capabilities.
Our client is a Canadian software development company working on its own platform.
Project: SaaS-based, data-driven eCommerce platform on AI-powered and fully cloud-native technology. North America market:
β’ We do test-driven development in an agile environment, working on cloud-native, highly scalable, and performant microservices in Java, Go, Python deployed onto Kubernetes, running on Google Cloud Platform.
β’ We embrace microservice at an organizational level, where teams of up to 6 engineers work on loosely-coupled components to deliver sophisticated features.
β’ We embrace a modern DevOps culture, where core product engineers work hand-in-hand with site reliability engineers and other teams to operate, monitor, troubleshoot, and frequently update our critical production systems.
β’ We work with our product owners to understand our roadmap, align the architecture with business goals on the horizon, and discuss challenges while grooming and refining our backlog.
Qualifications Required
β’ Strong proficiency in a strongly typed language (Java preferred).
β’ Strong proficiency in a non-strongly typed language (Python preferred).
β’ Ability to bridge classical software engineering practices (design principles, testing, maintainability) with modern AI capabilities.
β’ Hands-on experience with AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code, OpenAI Codex, similar).
Nice to have
β’ Proven experience embedding AI into coding, testing, documentation, and review workflows to automate and accelerate delivery.
β’ Experience across multiple programming languages (polyglot mindset).
β’ Frontend fundamentals (enough to debug/ship small UI changes and collaborate effectively).
β’ Cloud provider expertise (Azure/GCP preferred).
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Β· 31 views Β· 1 application Β· 13d
Senior Visualization Application Developer (Java, OpenGL)
Full Remote Β· Ukraine Β· 5 years of experience Β· English - B2The 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...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 get to this stage, the developers will also need to learn the inner workings of the visualization framework within Geoscience.
Responsibilities:
β’ Design, develop, and maintain graphics-intensive modules within the Geoscience platform using Java and OpenGL.
β’ Implement advanced 2D and 3D visualization features for seismic, geological, and geospatial data.
β’ Optimize rendering performance and ensure cross-platform compatibility, particularly in Linux environments.
β’ Collaborate with geoscientists and software engineers to translate domain-specific requirements into technical solutions.
β’ Participate in code reviews, testing, and documentation to maintain high-quality software standards.
β’ Stay updated with the latest developments in graphics technologies and geoscience applications.Mandatory Skills Description:
β’ Bachelor's or Master's degree in Computer Science, Geoscience, or a related field.
β’ 5+ years of professional experience in Java development with a focus on graphics programming.
β’ Proficiency in OpenGL and related graphics libraries for rendering complex datasets.
β’ Strong experience working in Linux environments, including shell scripting and system optimization.
β’ Excellent problem-solving skills and the ability to work collaboratively in a multidisciplinary team.Nice-to-Have Skills Description:
β’ Experience with geoscience software platforms.
β’ Familiarity with geoscience data formats and visualization techniques.
β’ Knowledge of additional programming languages such as C++ or Python.
β’ Understanding of GIS technologies and spatial data analysis.
β’ Experience with agile development methodologies and version control systems like Git
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Β· 549 views Β· 255 applications Β· 13d
Middle Java Developer
Full Remote Β· Worldwide Β· Product Β· 3 years of experience Β· English - B1About Strim Duo: Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software...About Strim Duo:
Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software solutions, mobile applications, and post-launch product support.
Strim Duo helps partners create engaging and highly effective game content: from social and arcade games to MMORPGs and childrenβs apps, integrating advanced monetization mechanics and social network features (strim-duo.com)
What Weβre Looking For
β Strong understanding of OOP, software engineering best practices, and API design;
β Experience with Java & Spring ecosystem;
β Solid knowledge of distributed systems and microservices architecture;
β Hands-on experience with containerization and orchestration (Kubernetes, Helm);
β Understanding of CI/CD principles and modern delivery pipelines;
β Experience with cloud platforms (AWS preferred);
β Familiarity with Infrastructure as Code (Terraform or similar);
β Proficiency in SQL and relational databases;
β Experience with monitoring and observability tools (Grafana, Prometheus, Kibana);
β Proactive mindset, ownership mentality, and strong problem-solving skills;
β English level: Intermediate+ (sufficient for daily communication);
What You Will Be Responsible For
β Active feature development and continuous improvement of backend services;
β Full ownership of services: from design and development to deployment, support, and bug fixing;
β Participation in architecture design and technical decision-making;
β Building and evolving systems with a focus on scalability, reliability, and sustainability;
β Improving observability: monitoring, logging, alerting;
β Working with CI/CD pipelines and deployment processes;
β Close collaboration with cross-functional teams;
β Documenting technical decisions and sharing best practices;
What we offerβ Corporate psychologist;
More
β Gifts for significant occasions;
β Legal support;
β Flexible working hours;
β Direct access to C-level and opportunity to suggest new business ideas and drive changes. -
Β· 107 views Β· 19 applications Β· 13d
Senior Java Developer
Full Remote Β· Ukraine Β· 6 years of experience Β· English - B2Project Description The client provides a reimbursement platform available for companies with mobile employees who are traveling places for their day-to-day job. They have solutions for Small and Medium Businesses, Mid-size companies and Enterprises to...Project Description
The client provides a reimbursement platform available for companies with mobile employees who are traveling places for their day-to-day job. They have solutions for Small and Medium Businesses, Mid-size companies and Enterprises to enable them to manage the reimbursement by streamlining and optimizing calculation process, control cost by using insight based on the rich user data aggregated through their Mobile app.
Job Description
We are looking for a talented Senior Java Software Engineer to take part in building a tactical solution within a planed way to an Enterprise Data Platform.
- Team player, accountable, dedicated and passionate.
- 6+ years of experience coding in Java (must).
- Experience of team/tech leading
- Self-learner
- Experience with system design and data structures.
- Experience in designing and building multi-tenant and scalable microservice systems
- Experience working in a containerized environment with Kubernetes (Advantage)
- Experience in relational databases (Postgres )
- Experience with cloud technologies (AWS/Azure)
- Experience with using queues and messaging systems - Kafka, RabbitMQ - (Advantage)
- Experience in building deployment pipelines using Jenkins and Kubernetes - (Advantage)
Job Responsibilities
- Become a valued member of an autonomous, cross-functional agile team.
- In cooperation with solution architect, lead developer design, develop and deploy Java services focusing on high availability, low latency, scalability and high throughput.
- Collaborate closely with other engineers, product owners and designers, to identify and solve challenging problems.
- Take full responsibility and ownership from conception, development, quality to post-deployment.
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Β· 193 views Β· 34 applications Β· 2d
Senior Java Developer (US time zone)
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· English - B2Overview: 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,...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.
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Β· 421 views Β· 64 applications Β· 8d
Back-end Developer to $6000
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· English - NoneProxy-Seller is about people, ideas, and constant forward motion. For over a decade, weβve been developing powerful solutions for working with large volumes of data. Under the hood β scalable systems and intelligent infrastructure processing millions of...Proxy-Seller is about people, ideas, and constant forward motion.
For over a decade, weβve been developing powerful solutions for working with large volumes of data. Under the hood β scalable systems and intelligent infrastructure processing millions of requests and petabytes of traffic every month.
Our team includes 140 specialists from 4 continents, united not only by a shared goal but also by a desire to improve the product, processes, and results every single day.Core languages and frameworks:
Java
Groovy, working with the Spring Boot framework;
Spock Framework β for Groovy testing;
Project Reactor (reactive programming);
Functional programming in Java;
Vert.x;
RESTful API.Databases and caching: MongoDB (version 4.4+), Redis.
Tools and environment:
Git, GitHub, Gradle, Docker, Grafana, Prometheus (possibly via Spring Boot Actuator), SBE (Agrona is not mandatory, weβll teach).Your future responsibilities:
- Maintain and optimize the code of high-load applications β to keep everything running like clockwork;
- Quickly fix bugs, improve existing features, and enhance system stability;
- Refactor code mercilessly to legacy, keep frameworks up-to-date;
- Optimize performance: databases, queries, cache, logic - everything that affects speed;
- Develop new features and integrate modern frameworks;
- Write microservices using Spring Boot, grow your skills in Vert.x and other technologies;
- Collaborate closely with the team: frontend, QA, DevOps, and product managers.What you need to join:
- Experience in writing code and tests;
- At least 2 years of commercial experience with Groovy;
- Experience working with high-load systems;
- Ability to clearly express your ideas and implement them;
- Willingness to work with someone else's code and write clean, maintainable code;
- Team communication and constructive collaboration skills.It would be a plus:
- Experience in mentoring or leading a team;
Our work approach:
At Proxy-Seller, we donβt just write code β we create solutions that change the industry.
We use cutting-edge tools to ensure that every line of code becomes part of an innovative solution.
- IntelliJ IDEA + AI Pro - a development environment enhanced with built-in AI;
- Sentry β for instant detection of production errors;
- Grafana + Loki + Prometheus β a complete real-time view of our systems;
- Our apps live and breathe in Docker containers, providing exceptional portability and isolation;
- Kubernetes β for scaling, isolation, and self-healing;
- Our GitHub organization is more than version control - itβs a hub of intellectual capital, including private repositories for Docker images and Node.js modules. With GitHub Actions, weβve fully automated CI/CD processes, turning every code commit into part of a seamless, instant delivery cycle. This lets us focus on innovation instead of routine.What we offer:
- Freedom of action β no micromanagement, we trust your professionalism;
- Minimal bureaucracy β maximum value;
- Clear and effective communication β no unnecessary meetings;
- Support from a strong team β constructive code reviews, help without judgment;
- Real cases in high-load systems and working with a modern tech stack;
- Ability to use AI to automate daily tasks;
- Encouragement of initiative and autonomy;
- Competitive salary in USD (fixed + performance bonuses). Transparent processes and stable payouts twice a month;
- Paid vacation, sick leave, and days off;
- Compensation for relevant courses and training, with the possibility to change tech stack on your initiative;
- Opportunity for paid overtime (completely optional).*We usually review applications within 3-5 business days
We share feedback if weβre able to move forward together. If this role isnβt the right match for now, weβll keep your resume in our database and gladly reach out when a suitable opportunity comes upWe look forward to receiving your application :)
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Β· 25 views Β· 0 applications Β· 8d
Senior Visualization Application Developer (Java, OpenGL)
Full Remote Β· Ukraine Β· 5 years of experience Β· English - B2Project 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...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 get to this stage, the developers will also need to learn the inner workings of the visualization framework within Geoscience.
Responsibilities:
β’ Design, develop, and maintain graphics-intensive modules within the Geoscience platform using Java and OpenGL.
β’ Implement advanced 2D and 3D visualization features for seismic, geological, and geospatial data.
β’ Optimize rendering performance and ensure cross-platform compatibility, particularly in Linux environments.
β’ Collaborate with geoscientists and software engineers to translate domain-specific requirements into technical solutions.
β’ Participate in code reviews, testing, and documentation to maintain high-quality software standards.
β’ Stay updated with the latest developments in graphics technologies and geoscience applications.Mandatory Skills Description:
β’ Bachelor's or Master's degree in Computer Science, Geoscience, or a related field.
β’ 5+ years of professional experience in Java development with a focus on graphics programming.
β’ Proficiency in OpenGL and related graphics libraries for rendering complex datasets.
β’ Strong experience working in Linux environments, including shell scripting and system optimization.
β’ Excellent problem-solving skills and the ability to work collaboratively in a multidisciplinary team.Nice-to-Have Skills Description:
β’ Experience with geoscience software platforms.
β’ Familiarity with geoscience data formats and visualization techniques.
β’ Knowledge of additional programming languages such as C++ or Python.
β’ Understanding of GIS technologies and spatial data analysis.
β’ Experience with agile development methodologies and version control systems like GitLanguages:
English: B2 Upper Intermediate
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Β· 181 views Β· 45 applications Β· 8d
Java Developer
Full Remote Β· EU Β· 5 years of experience Β· English - B2Numerical 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 you will be doing: As part of the...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 you will be doing:
As part of the team, you will be participating in a project for a major US financial holding company. You will develop, maintain, and support software features, write scalable and fault-tolerant Java code, debug applications, and integrate with internal and third-party services. You will collaborate with the product team to meet requirements and ensure code quality through testing, code reviews, and system design.
Project: Modernization of a monolithic system into a microservices architecture. Java services provide authentication, logging, and data management. Python services handle core computational logic.
What weβre looking for:- 5+ years of experience in Java development, preferably in FinTech.
- Strong experience with Java and Spring Framework.
- Solid understanding of microservices architecture and design patterns.
- Proficient in SQL (Oracle, PostgreSQL).
- Experience with AWS.
- Python knowledge is a plus.
- Ability to test your own code to ensure quality.
- Capable of working autonomously and independently.
- University diploma (Bachelorβs degree or above) required.
- Excellent communication and collaboration skills in an international environment.
- Upper-intermediate English level or higher.
What we offer:
- Competitive compensation depending on experience and skills.
- Regular assessments and salary reviews.
- Paid personal days.
- Mental health support program.
- Partial gym compensation.
- Language classes.
- Flexible working schedule.
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Β· 51 views Β· 4 applications Β· 8d
Senior Java Engineer (Go and Python skills)
Full Remote Β· Poland Β· 6 years of experience Β· English - B2Weβre looking for a Senior Java Engineer with Python&Golang skills to join our team. Our client is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real time. Singularity XDR...Weβre looking for a Senior Java Engineer with Python&Golang skills to join our team.
Our client is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection.Our team is responsible for the backend part for the main product line - securing tens of millions of devices across the globe of all kinds of OS (Windows, Linux, macOS), and processing billions of security events every day.
You'll be joining a team with a significant impact on how our customers' environments (incl. 4 of Fortune10 companies, hundreds of Global2000 or governments) are protected, how they interact with agents, gain visibility into their security posture, and understand the risks and act upon them.
What will you do?
Design, develop and support backend system serving for endpoint security
β Help us with initiatives around moving our services to a new deployment model.
β Tuning and adjusting our services to work with new CPU architectures.
β Improving the observability for our services.- Requirements:
7+ years of extensive software engineering experience, including proven expertise in developing large-scale distributed systems and microservices architecture, with a focus on performance, scalability and reliability - Proficiency in Java
- knowledge of Golang and Python
- Experience with cloud platforms (AWS and/or GCP) and Kubernetes (must)
- Experience with Kafka or similar solutions is a plus
- Requirements:
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Β· 414 views Β· 172 applications Β· 7d
(2x) Java Full Stack Developer (Intermediate to Senior) to $4500
Full Remote Β· Azerbaijan, Georgia, Poland, Romania, Ukraine Β· 3 years of experience Β· English - B2We are looking for 2 strong Java developers for the new startup we start working with, with at least 3+ years of experience as a back-end engineer. We need an excellent knowledge of: - Java, JVM and the ecosystem - Strong Databases experience( SQL,...We are looking for 2 strong Java developers for the new startup we start working with, with at least 3+ years of experience as a back-end engineer.
We need an excellent knowledge of:- Java, JVM and the ecosystem
- Strong Databases experience( SQL, NoSQL)
- Strong analytical thinking
- Familiar with React and ready to work as Full-stack
- Ability to be a good teamplayer, communicate and contribute
- Databases optimizations knowledge is a big plus
- AWS experience is a big plus
We need a developer who is comfortable across the entire stack and prioritizes architectural ownership.- Tech Stack: Java (Spring Boot), React, and MySQL running on AWS.
- Key Requirements: Proven experience building and maintaining full stack applications with strong communication skills to explain technical trade-offs.
- AI-Assisted Workflow: We expect candidates to be highly proficient with AI productivity tools like Copilot or Cursor. We practice "Structured AI Coding" rather than "Vibe Coding." This means using AI to accelerate delivery while maintaining full manual oversight of the logic. We do not delegate the architectural process to the tools
About us: Mindecs - is an outstaffing/outsourcing company that's working with leading brands and startups.