Jobs Java

• You will join a Regulatory Reporting Platform within a large US investment bank. The platform is responsible for collecting, processing, and transforming large volumes of data from multiple internal systems to produce regulatory reports for 240 jurisdictions worldwide. In total, the platform supports around 10,000 reports across a wide range of regulatory, compliance, financial, and risk reporting areas.
  This is a large-scale, business-critical data platform operating in a highly regulated environment, where data accuracy, quality, traceability, and timely delivery are essential. The team works on building and enhancing data pipelines, implementing reporting logic, ensuring data validation and reconciliation, and supporting the generation of complex regulatory outputs.
  The project is delivered by a global distributed team with colleagues located in Ukraine, Poland, and the US, offering close collaboration with engineers, analysts, and business stakeholders across multiple regions.

   

• Responsibilities:

  - Design, develop, and maintain solutions for a large-scale Regulatory Reporting Platform
  - Build and enhance data processing pipelines using Java and Apache Spark
  - Implement scalable logic for data ingestion, transformation, aggregation, and enrichment from multiple internal data sources
  - Develop and optimize batch processing jobs to support the generation of regulatory reports across multiple jurisdictions
  - Ensure high standards of data quality, validation, reconciliation, and consistency throughout the reporting lifecycle
  - Translate business and regulatory requirements into robust technical solutions
  - Collaborate with business analysts, QA engineers, and cross-functional teams to deliver reporting functionality
  - Investigate and resolve data and application issues in development, test, and production environments
  - Improve application performance, scalability, and reliability for high-volume data processing workloads
  - Contribute to the design and implementation of reusable components and engineering best practices
  - Participate in code reviews, testing, and release activities to ensure high-quality deliverables
  - Work closely with distributed teams across Ukraine, Poland, and the US in an agile delivery model
  - Support continuous improvement of the platform, including monitoring, troubleshooting, and operational stability

   

• Mandatory Skills Description:

  - 6+ years of commercial experience with Java
  - Experience in designing and developing scalable, high-performance backend applications
  - Good knowledge of SQL and working with large datasets from multiple data sources
  - Strong problem-solving skills and ability to work effectively in a global distributed team

   

• Nice-to-Have Skills Description:

  - Spark and Hadoop knowledge
  - Experience in financial services, investment banking, or regulatory reporting projects
  - Familiarity with data quality, reconciliation, and control frameworks
  - Experience working with large-scale enterprise data platforms
  - Knowledge of cloud environments and modern data platform architectures
  - Understanding of CI/CD practices and automated deployment pipelines
  - Experience working in Agile / Scrum teams within a distributed global setup

   

• Languages:
  • English: B2 Upper Intermediate

• Project Description:

  You will join a Regulatory Reporting Platform within a large US investment bank. The platform is responsible for collecting, processing, and transforming large volumes of data from multiple internal systems to produce regulatory reports for 240 jurisdictions worldwide. In total, the platform supports around 10,000 reports across a wide range of regulatory, compliance, financial, and risk reporting areas.
  This is a large-scale, business-critical data platform operating in a highly regulated environment, where data accuracy, quality, traceability, and timely delivery are essential. The team works on building and enhancing data pipelines, implementing reporting logic, ensuring data validation and reconciliation, and supporting the generation of complex regulatory outputs.
  The project is delivered by a global distributed team with colleagues located in Ukraine, Poland, and the US, offering close collaboration with engineers, analysts, and business stakeholders across multiple regions.

• Responsibilities:

  - Design, develop, and maintain solutions for a large-scale Regulatory Reporting Platform
  - Build and enhance data processing pipelines using Java and Apache Spark
  - Implement scalable logic for data ingestion, transformation, aggregation, and enrichment from multiple internal data sources
  - Develop and optimize batch processing jobs to support the generation of regulatory reports across multiple jurisdictions
  - Ensure high standards of data quality, validation, reconciliation, and consistency throughout the reporting lifecycle
  - Translate business and regulatory requirements into robust technical solutions
  - Collaborate with business analysts, QA engineers, and cross-functional teams to deliver reporting functionality
  - Investigate and resolve data and application issues in development, test, and production environments
  - Improve application performance, scalability, and reliability for high-volume data processing workloads
  - Contribute to the design and implementation of reusable components and engineering best practices
  - Participate in code reviews, testing, and release activities to ensure high-quality deliverables
  - Work closely with distributed teams across Ukraine, Poland, and the US in an agile delivery model
  - Support continuous improvement of the platform, including monitoring, troubleshooting, and operational stability

• Mandatory Skills Description:

  - 6+ years of commercial experience with Java
  - Experience in designing and developing scalable, high-performance backend applications
  - Good knowledge of SQL and working with large datasets from multiple data sources
  - Strong problem-solving skills and ability to work effectively in a global distributed team

• Nice-to-Have Skills Description:

  - Spark and Hadoop knowledge
  - Experience in financial services, investment banking, or regulatory reporting projects
  - Familiarity with data quality, reconciliation, and control frameworks
  - Experience working with large-scale enterprise data platforms
  - Knowledge of cloud environments and modern data platform architectures
  - Understanding of CI/CD practices and automated deployment pipelines
  - Experience working in Agile / Scrum teams within a distributed global setup

• Languages:
  • English: B2 Upper Intermediate

• Project Description:

  You will join a Regulatory Reporting Platform within a large US investment bank. The platform is responsible for collecting, processing, and transforming large volumes of data from multiple internal systems to produce regulatory reports for 240 jurisdictions worldwide. In total, the platform supports around 10,000 reports across a wide range of regulatory, compliance, financial, and risk reporting areas.

  
  This is a large-scale, business-critical data platform operating in a highly regulated environment, where data accuracy, quality, traceability, and timely delivery are essential. The team works on building and enhancing data pipelines, implementing reporting logic, ensuring data validation and reconciliation, and supporting the generation of complex regulatory outputs.

  
  The project is delivered by a global distributed team with colleagues located in Ukraine, Poland, and the US, offering close collaboration with engineers, analysts, and business stakeholders across multiple regions.

   

• Responsibilities:

  - Design, develop, and maintain solutions for a large-scale Regulatory Reporting Platform
  - Build and enhance data processing pipelines using Java and Apache Spark
  - Implement scalable logic for data ingestion, transformation, aggregation, and enrichment from multiple internal data sources
  - Develop and optimize batch processing jobs to support the generation of regulatory reports across multiple jurisdictions
  - Ensure high standards of data quality, validation, reconciliation, and consistency throughout the reporting lifecycle
  - Translate business and regulatory requirements into robust technical solutions
  - Collaborate with business analysts, QA engineers, and cross-functional teams to deliver reporting functionality
  - Investigate and resolve data and application issues in development, test, and production environments
  - Improve application performance, scalability, and reliability for high-volume data processing workloads
  - Contribute to the design and implementation of reusable components and engineering best practices
  - Participate in code reviews, testing, and release activities to ensure high-quality deliverables
  - Work closely with distributed teams across Ukraine, Poland, and the US in an agile delivery model
  - Support continuous improvement of the platform, including monitoring, troubleshooting, and operational stability

   

• Mandatory Skills Description:

  - 6+ years of commercial experience with Java
  - Experience in designing and developing scalable, high-performance backend applications
  - Good knowledge of SQL and working with large datasets from multiple data sources
  - Strong problem-solving skills and ability to work effectively in a global distributed team

We are seeking a Java Team Lead with strong Java backend development experience, deep database knowledge, and hands-on experience building modern cloud-based applications.
This role is focused on new product development, backend  architecture, database performance, containerized deployments, and reliable cloud-native software engineering. The ideal candidate is a strong individual contributor with excellent analytical skills, practical experience with enterprise-grade backend systems, and the ability to work independently in a fast-moving startup environment. This person should be comfortable designing, building, testing, optimizing, and deploying backend services that are reliable, secure, scalable, and maintainable. A strong ability to use modern AI tools effectively in everyday engineering work is required.
 

Key Responsibilities
- Design, develop, test, and maintain backend software using Java.
- Build reliable and scalable backend services for a database optimization platform.
- Participate in new product development, including architecture, implementation, performance tuning, and deployment.
- Design and implement REST APIs, service-layer components, data access layers, and integration points.
- Work with relational databases, especially PostgreSQL, with a strong focus on performance, query optimization, schema design, indexing, and troubleshooting.
- Analyze execution plans, identify database bottlenecks, and recommend or implement corrective actions.
- Develop containerized applications and deployment-ready services.
- Participate in cloud-native application development and deployment, especially in Azure-based environments.
- Support and improve CI/CD pipelines, automated testing practices, deployment processes, and release reliability.
- Apply secure coding practices and follow cloud security principles.
- Perform root-cause analysis for complex technical problems across application, database, operating system, and cloud layers.

- Write clean, maintainable, well-documented code.
- Participate in code reviews and contribute to engineering standards.
- Mentor less experienced engineers when needed.
- Use AI tools effectively and responsibly for coding, debugging, analysis, documentation, test generation, and technical research.
 

Required Qualifications
- 5+ years of professional Java development experience.
- Strong experience with backend application development.
- Strong understanding of the Java ecosystem, including Spring Framework / Spring Boot, REST API development, JPA / Hibernate, JDBC and database integration, multithreading and concurrency, and Java performance tuning and memory management.
- 3+ years of experience with Azure cloud environments.
- Hands-on experience with both Windows and Linux operating systems.
- Strong PostgreSQL experience, including SQL development, query optimization, schema design, indexing strategies, execution plan analysis, performance troubleshooting, and data migration
concepts.
- Strong experience with modern cloud DevOps practices, including CI/CD, cloud deployment models, release automation, environment configuration, and deployment troubleshooting.
- Strong experience with containers, especially Docker.
- Strong understanding of software architecture and design, including scalable and maintainable system design, distributed systems concepts, service-oriented or microservices architecture,
technical tradeoff analysis, and legacy modernization.
- Strong testing and code quality practices, including unit testing, integration testing, test automation, code reviews, debugging, and root-cause analysis.
- Strong analytical and problem-solving skills.
- Ability to work independently and take ownership of complex technical problems.
- Strong communication skills and ability to clarify requirements, explain tradeoffs, and propose practical solutions.
- Demonstrated ability to use AI tools productively and responsibly in daily engineering work.
 

Highly Desired / Big Plus

- Experience with MS SQL Server.
- Experience with other database platforms.
- Experience with Infrastructure as Code tools such as Terraform, Bicep, ARM templates, Pulumi, or similar.
- Experience with observability tools and practices, including logging, metrics, tracing, monitoring, alerting, and application performance diagnostics.
- Deeper understanding of cloud security operations, including identity and access management, secrets management, role-based access control, secure network configuration, and secure
deployment practices.
- Experience with Kubernetes or other container orchestration platforms.
- Experience with enterprise-grade, data-intensive applications.
- Experience working in startup-style or fast-moving product development environments.

- Good English communication skills.
 

AI Tooling Expectations
The successful candidate should be able to use AI tools as a regular part of their engineering workflow. This includes using AI to:
- Accelerate coding and refactoring.
- Generate and improve unit and integration tests.
- Assist with debugging and root-cause analysis.
- Analyze logs, errors, SQL queries, and execution plans.
- Draft technical documentation.
- Research technical approaches and compare implementation options.
- Improve productivity without compromising code quality, security, or correctness.
The candidate must understand that AI-generated output requires careful review, validation, testing, and security awareness.
 

Ideal Candidate Profile
The ideal candidate is a senior-level backend engineer who combines strong Java development skills with practical cloud, DevOps, database, and performance engineering experience.
This person should be comfortable working across application code, database design, deployment pipelines, containers, and production troubleshooting. They should be analytical, self-directed,
technically mature, and capable of making sound engineering decisions without requiring heavy supervision.
Because we are building a state-of-the-art database optimization platform, the strongest candidates will be those who enjoy technically challenging work, understand performance-oriented
engineering, and are comfortable working in a startup environment where ownership, initiative, and practical problem-solving are highly valued.

Project Description:

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

Responsibilities:

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

Mandatory Skills Description:

6+ years of hands-on Java development experience
Strong Java Core knowledge
Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP
Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones
Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries
Solid knowledge of design patterns and software architecture principles
Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions
Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)
Stable career trajectory, no fragmented job history with short tenures

Nice-to-Have Skills Description:

C++ development skills
Practical experience with the Eclipse RCP framework
OSGi knowledge
Oil & Gas domain experience

Languages:

English: B2 Upper Intermediate

We are looking for a Middle Full-Stack Software Engineer with 3–5 years of commercial experience to help maintain and modernize a large-scale software platform.

Requirements:

• 3+ years of experience in full-stack software development.
• Strong proficiency in Java and Spring Boot.
• Experience with React.js and/or Next.js.
• Hands-on experience with SQL and RESTful APIs.
• Experience with Grails and/or MongoDB is a plus.
• Experience with software engineering best practices, including code reviews, testing, source control, and CI/CD workflows.
• Comfortable working across the full stack, handling both backend services and front-end/UI changes independently
• Experience using AI-assisted coding tools (e.g., Claude Code or similar).
• Experience with dependency management and monitoring tools is a plus.
• Strong understanding of object-oriented programming principles.
• Excellent communication and collaboration skills.
• Experience working in an Agile environment.

• Availability for 1–2 hours of overlap with U.S. Central Time (9:00 AM — 5:00 PM CT)

   

Key Responsibilities

• Own routine platform maintenance, ensuring systems remain secure, stable, and up to date.
• Review, test, and implement dependency and library updates.
• Perform third-party service upgrades and validate integrations after releases.
• Investigate and resolve production issues identified through monitoring tools.
• Monitor releases to detect regressions and maintain platform stability.
• Contribute to long-term modernization initiatives, including framework migrations and technical debt reduction.
• Develop clean, efficient, and maintainable code across both backend and frontend.
• Participate in code reviews to ensure high code quality and adherence to engineering best practices.
• Troubleshoot, optimize, and resolve complex software issues.
• Collaborate with distributed team members across time zones and maintain clear technical documentation.

A next-generation cross-asset data management platform to provide globally consistent data and innovative tools to support business strategy for trade/sales clients, which 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 outcomes of activities that are assigned.

The role of the involves working with strong development teams (2 Senior Java Developers), the opportunity to work with big data, improving knowledge in this domain, and 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

Skills

Must have

Strong knowledge of Big Data technologies: Hadoop Ecosystem (HDFS, Impala, HIVE, HBASE, etc.) and Apache Spark. Green flags: Spark, Hive, Hadoop.

At least 5 years of experience in software development, including professional backend software development experience;

Strong Knowledge of Java programming languages

Should be familiar with algorithms and design patterns

Familiarity with Linux environment, including scripting skills

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.

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-memory databases and caching

Job Orchestration tools like Autosys or Airflow

Apache Spark

Financial background (where possible)

We are looking for a Middle Back-End Engineer to join our team at ORIL. This is an opportunity to work on a sophisticated FinTech platform that automates and streamlines credit underwriting for the US automotive industry. If you enjoy working with complex data logic, a robust architecture, and a huge ecosystem of third-party integrations, this role is for you.
 

About the Project

Our client is a US-based innovator providing a web application for automated loan underwriting. The platform processes applications, runs proprietary scoring algorithms, and connects dealerships with major credit agencies and lenders to instantly generate financial offers. The project has a stable, released platform and is currently focused on scaling and onboarding new enterprise partners through active integrations.

Tech Stack: Java 21, Spring Boot, Node.js, Maven, MongoDB, Hazelcast, Docker, WebSockets, JWT, AWS S3, Angular.
 

What are we looking for?

• 3+ years of experience in Back-End development using Java (Spring Boot) and Node.js;
• Solid experience in building, maintaining, and optimizing complex third-party API integrations;
• Proficiency with MongoDB and caching solutions (e.g., Hazelcast);
• Ability to take ownership of backend features, from designing logic to handling security (JWT, WebSockets);
• An analytical mindset capable of working with scoring algorithms and complex business logic;
• Ability to discuss technical solutions directly with the team and the client;
• English level: Upper-Intermediate (B2).
   

Nice to have:

• Experience in FinTech, SaaS, or credit underwriting domains;
• Basic understanding of Angular to smoothly collaborate with frontend tasks if needed;
• Experience with AWS services.

What will you do?

• Develop, optimize, and maintain the backend logic (Java + Node.js) for the platform;
• Implement and support a wide range of third-party integrations;
• Enhance and optimize the core underwriting algorithmic engine;
• Collaborate with the team to ensure high system reliability, security, and performance;
• Participate in technical discussions to help map out the integration of new partners.
   

We offer:

• Competitive compensation;
• Flexibility to work from anywhere (fully remotely or in our office in Lviv);
• Accounting Support Services;
• Education budget + corporate education events/trainings;
• Compensation for certifications, fitness, or therapy sessions;
• A dynamic environment where your proactivity is recognized and rewarded.
   

Application Process:

1. Initial Screening: Call with Recruiter.
2. Technical Interview.
3. Client Interview.
    

Ready to build the future of Auto FinTech? Apply now and let’s get to work!

🚀 Who we are:

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

📍 About the Product:

We are building an AI-first platform that fuses multiple maritime data sources into a unified operational picture. The system builds a digital twin of global maritime activity, applies behavioral analytics and predictive AI models to surface smuggling, illegal fishing, container risk, and other compliance or security threats, and presents mission-grade intelligence to both commercial and government stakeholders. 

Operating at global scale, the platform processes millions of events and terabytes of geospatial data daily, relies on cloud infrastructure and microservices, and integrates with upstream research prototypes from data science teams. 

About the Role:

As a Senior Java Engineer, you will own the end-to-end development of core data processing services within our maritime intelligence platform.
You will collaborate closely with data scientists, analysts and software engineers to design and implement scalable microservices and streaming solutions. Leveraging AWS, Spring Boot and Kafka, you’ll tackle technical challenges around high-throughput ingestion, low-latency processing and data integrity.

📍 Key Responsibilities:

• Develop robust, high-performance backend services using Java and Spring Boot.
• Implement real-time data streaming solutions with Apache Kafka.
• Design, build and maintain scalable data pipelines for collection, processing and transformation from diverse sources.
• Leverage AWS services for data storage, processing and analytics following security and performance best practices.
• Monitor, troubleshoot and optimize service performance to identify and eliminate bottlenecks.
• Ensure data integrity, reliability and availability through effective ETL processes and quality checks.
• Drive improvements in architecture, code quality and automation across the backend codebase.

📍 Required Competence and Skills:

• At least 6 years of professional experience as a Backend Engineer.
• Proficiency in Java and Spring Boot within a microservices architecture.
• Experience implementing and operating Kafka streaming solutions.
• Practical knowledge of AWS for data storage, processing and analytics.
• At least 6 month of production agentic AI experience (Claude Code or alternatives) utilizing MCP, custom .md files, and orchestrating subagent workflows.
• Strong problem-solving skills with attention to detail.
• Ability to work independently, challenge decisions and lead technical discussions.
• Excellent communication skills for cross-team collaboration.
• Bachelor’s degree in Computer Science, Engineering or a related field.

Nice to Have:

• Experience designing and building ETL processes for data transformation and integration.
• Familiarity with Apache Spark for large-scale data processing.
• Knowledge of Python or Node.js for supporting integration tasks.
• Prior work with maritime, geospatial, defense or logistics domains.

Why Us:

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

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, which 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 outcomes of activities that are assigned.

The role of the involves working with strong development teams (2 Senior Java Developers), the opportunity to work with big data, improving knowledge in this domain, and 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

Skills

Must have

Strong knowledge of Big Data technologies Hadoop Ecosystem (HDFS, Impala, HIVE, HBASE, etc.) and Apache Spark

At least 5 years of experience in software development, including professional backend software development experience;

Strong Knowledge of Java programming languages

Should be familiar with algorithms and design patterns

Familiarity with Linux environment, including scripting skills

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.

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-memory databases and caching

Job Orchestration tools like Autosys or Airflow

Apache Spark

Financial background (where possible)

Languages

English: C1 Advanced

AsiaFinance Group is a fast-growing group of fintech companies operating in Asia. Our core business is digital consumer lending.

Position: Business Analyst 
Location: Remote (Global)
Reported to: Chief Product Officer

About the Role

As a Middle–Senior Java Developer, you will be responsible for designing, developing, and maintaining backend services that power our lending platforms and internal systems. You will work closely with product, engineering, and infrastructure teams to deliver high-quality software while contributing to architecture decisions, system reliability, and continuous improvement initiatives.

This role is ideal for an experienced developer who enjoys solving complex technical challenges, writing clean and maintainable code, and working in a remote, international environment.

What You'll Do

• Design, develop, and maintain backend applications and services using Java and Spring Framework.
• Build scalable, secure, and high-performance APIs and business services.
• Participate in system design, code reviews, and technical discussions.
• Write clean, maintainable, and well-tested code following software engineering best practices.
• Develop and maintain integrations with internal and external systems.
• Optimize application performance, database queries, and system reliability.
• Implement caching, monitoring, logging, and observability solutions.
• Support production deployments, troubleshooting, and incident resolution.
• Collaborate with Product Managers, QA Engineers, DevOps Engineers, and other developers throughout the software development lifecycle.
• Contribute to technical documentation, architecture improvements, and coding standards.
• Participate in Agile development processes, sprint planning, and retrospectives.
• Continuously improve code quality, development practices, and team efficiency.

What We're Looking For

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Strong experience with Java 11+ and Spring Framework (Spring Boot, MVC, Data, Security).
• 4+ years of commercial Java development (Java 11+)
• OOP and SOLID principles — applied daily, not just understood theoretically
• Clean code and refactoring discipline — we improve the codebase, not just add to it
• TDD mindset: unit and integration tests are part of done, not an afterthought
• SQL and relational databases — writing, reviewing, optimising queries and schemas
• REST API integrations — consuming and exposing
• Caching strategies — Redis or equivalent, knowing when and why to apply them
• Data encryption basics — at rest and in transit
• Telemetry and observability — structured logs, metrics, basic alerting
• Git — branching, PR workflow, code review participation
• CI/CD basics — pipeline awareness, build and deploy cycle familiarity
• JVM fundamentals — threading model, memory management basics
• Linux comfort — reading logs, basic shell, deployment tasks

Nice to Have

• Experience with AWS services such as EC2, RDS, S3, and load-balanced environments.
• Familiarity with message brokers, distributed systems, and microservices architecture.
• Experience with monitoring and observability tools such as Grafana, Kibana, or similar platforms.
• Previous experience in fintech, financial services, or high-availability production systems.
• Experience working in distributed international teams.

Why Join Us

• International team with a flat, Western-style corporate culture
• Real ownership across the full BA and QA lifecycle from day one
• Fast career progression in a high-growth, cross-border fintech environment
• Collaborative, energetic team with frequent cross-functional interaction

🚀 Project Description

From the engineering side, this role is focused on Backend + Infrastructure / DevOps as secondary skillset, with strong ownership over the technical foundation of the features.
 

✅ You are:
 

• Have practical experience from commercial projects, pet projects, hackathons, or open-source contributions
• Confident with Java, with readiness to work close to ML workloads and model-serving pipelines
• Comfortable building backend services and REST APIs
• Understand System design, asynchronous processing, and service integration
• Have experience with Docker and deploying services in cloud environments
• Understand how to build and maintain CI/CD pipelines
• Have hands-on experience with AWS or similar cloud platforms
• Are comfortable working with PostgreSQL
• Understand logging, monitoring, environment setup, and deployment workflows
   

➕ Will be a plus:
 

• Experience with MLOps or model-serving infrastructure
• Experience deploying ML models for inference on CPU
• Familiarity with Python, FastAPI, Spring Boot, or similar backend frameworks
• Experience with AWS services or similar
• Understanding of job queues, background workers, and long-running processing workflows
• Familiarity with infrastructure-as-code tools such as Terraform or similar
• Comfortable working with AI platforms and developer tools such as Cursor, Claude Code, or Codex
   

♟️ What We Expect from You:
 

• Use modern AI tools, frameworks, and approaches to work faster and more effectively
• Make practical decisions that help us launch faster without unnecessary overengineering
• Proactively identify bottlenecks, propose solutions, and help shape technical decisions
• Be comfortable working in an evolving product with changing priorities and early-stage ambiguity
   

🔑 Responsibilities:
 

• Implement and enhance backend services 
• Actively collaborate with the team lead and team
• Maintain the initial cloud environment for development, testing, and production
• Build and support processing pipelines for model execution and result delivery
• Configure logging, monitoring, and basic operational observability
• Ensure the system is reliable, maintainable, and easy to extend
• Utilize AI to review pull requests and contribute to engineering best practices
   

🍩 What we offer:
 

• Opportunity to work on an innovative product in the medical-tech domain
• High ownership and direct impact on product architecture
• Flexible work hours within the European time zone
• A fast-moving environment where strong engineers can influence product and technical decisions
• Paid 200$+ AI assistants and modern engineering tooling
• Professional development support, latest courses and certifications
• 20 business days of vacation
• 5 sick leave days
• National holidays covered
   

🗣 Recruitment process:
 

✔️ Technical Task → ☑️ AI Live Coding Task → ✅ Cultural-Fit Interview → 🏁 Offer

Want to work on technologies used by data platforms at a global scale?

We're looking for Senior and Middle+ Java Engineers to join a long-term cloud data infrastructure project focused on modern Data Lakehouse technologies, distributed systems, and open-source development.

You'll be building integrations between data processing frameworks and cloud services, improving compatibility across the ecosystem, and contributing to technologies that power large-scale analytics platforms. If you enjoy solving complex backend challenges and working close to the open-source community, this role is for you.

What you'll be working on

• Develop new features for large-scale data infrastructure components.
• Build integrations between distributed data processing frameworks and cloud storage services.
• Improve compatibility across modern data processing engines.
• Contribute to high-quality, production-grade backend services.
• Participate in architecture discussions and technical design.
• Collaborate with engineers across international teams and contribute to engineering best practices.

Tech stack

Must have

• Java
• Python (working proficiency)
• Experience with at least one of: Apache Flink, Spark, Kafka, or Apache Beam
• Understanding of Data Lake / Lakehouse architecture
• Experience with Google Cloud Platform (BigLake, GCS, KMS, or related services)

Nice to have

• Apache Iceberg
• Open Source contributions
• Experience with distributed systems
• Cross-system integration experience

What we're looking for

• Strong commercial experience with Java backend development.
• Experience building data-intensive or distributed backend systems.
• Solid understanding of cloud-native architectures.
• Experience working with modern data processing technologies.
• Strong problem-solving skills and ownership mindset.
• Good communication skills and ability to work in a distributed international team.

Working conditions

• 🌍 Remote
• 🌎 Collaboration with US-based engineering teams
• ⏰ Daily overlap by 10:00 AM PST
• 📅 Long-term project
• Flexible working schedule (8-hour workday)

What we offer

• Paid vacation and sick leave
• 11 official public holidays per year
• Personal Career Development Plan (CDP)
• Challenging engineering projects with modern cloud technologies
• Paid external training, conferences, and professional certifications
• Internal tech talks, workshops, and English classes
• Employee support program (healthcare, legal assistance, partner discounts)
• Corporate library with paper and e-books

If you're excited about distributed systems, cloud data platforms, and building software that makes an impact beyond a single product, let's talk!

Apply now or send us a message - we'd love to share more details about the project and see if it's the right fit for you.

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

• Responsibilities:

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

• Mandatory Skills Description:

  6+ years of hands-on Java development experience
  Strong Java Core knowledge
  Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP
  Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones
  Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries
  Solid knowledge of design patterns and software architecture principles
  Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions
  Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)
  Stable career trajectory, no fragmented job history with short tenures

• Nice-to-Have Skills Description:

  C++ development skills
  Practical experience with the Eclipse RCP framework
  OSGi knowledge
  Oil & Gas domain experience

• Languages:
  • English: B2 Upper Intermediate

We are looking for an experienced Senior Java Full Stack Engineer (Java+Python, React) 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
• designing, developing, and deploying cloud/hybrid-based solutions

Requirements:

• BS degree in Computer Science or equivalent combination of education and experiencet
• 5-6+ years of experience with Java
• 1 year of experience with Python
• 1 year of experience in front-end development with React
• Experience with Functional Programming and Java Streams
• Experience with AI (Cloud is preferable)
• Experience in development in Kotlin – nice to have
• 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
• Upper-intermediate English level - verbal and written

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers