Jobs Java

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

Head / Lead Java Engineer (igaming)

We are looking for a Head / Lead Java Engineer to lead the development of our high-load platform while remaining deeply involved in engineering and architecture decisions.

This role requires strong architectural thinking and a systems mindset. We are looking for an engineer who can analyze complex distributed systems, design scalable architectures, and drive technical decisions that improve the product’s performance, resilience, scalability, and long-term evolution.

You will work with modern cloud-native technologies and a diverse data ecosystem while helping the business scale through reliable, cost-efficient, and resilient technical solutions.

What You’ll Own

— Design, develop, and improve a system of highly loaded microservices and distributed service
— Write production code and actively contribute to technical implementation
— Drive architecture decisions around scalability, reliability, performance, and cost-efficiency
— Ensure low-latency and high-throughput system performance across critical business services
— Select and evolve data storage solutions based on workload requirements, balancing relational databases, NoSQL stores, caching, and streaming technologies
— Own platform observability, monitoring, metrics, logging, and alerting practices
— Ensure effective deployment strategies, release processes, and meaningful test coverage
— Build reliable event-driven architectures using Kafka and microservice design principles
— Lead and grow the engineering team through hiring, mentoring, code reviews, and regular 1:1s
— Establish engineering standards, ownership models, on-call processes, and delivery practices
— Represent the team in cross-functional discussions and help align technical initiatives with business goals

What We’re Looking For

— 10+ years of Java development experience
— 5+ years in a Technical Lead role
— Strong experience building and operating low-latency, high-throughput production systems
— Expert knowledge of Spring Boot, Spring Data, and Hibernate
— Deep understanding of multithreading, concurrency, and non-blocking I/O
— Strong experience with both SQL and NoSQL databases and a practical understanding of their trade-offs
— Production-grade AWS architecture experience
— Experience with Docker, Kubernetes, and cloud-native applications
— Strong understanding of event-driven architecture and Kafka
— Experience designing and maintaining REST and GraphQL APIs

— Hands-on experience with Grafana, Prometheus, and ELK
— Upper-Intermediate English or higher

Nice to Have

— Experience in iGaming, fintech, payments, or another highly regulated domain
— Experience building multi-region architectures
— Strong understanding of backup, disaster recovery, and resilience strategies
— Experience operating PostgreSQL, DynamoDB, Redis, Cassandra, ClickHouse, and streaming platforms in production environments.

We Offer:

— 20 vacation days + 36 paid sick leaves per year.
— Flexible schedule with no micromanagement.
— Fully remote work environment.
— Opportunity to work on an international product serving multiple markets.
— Professional development and support in growing QA expertise.
— Opportunity to develop automation testing skills.
— International team with transparent communication and fast decision-making.
— Long-term cooperation and career growth opportunities.

Selection Stages:

1. Call with Recruiter
2. Technical Interview
3. Final Interview
4. Job Offer

Join us and help deliver high-quality products used by thousands of users worldwide! 🚀

About Flamingo

Flamingo is revolutionizing the Managed Service Provider (MSP) industry with an AI-driven, open-source platform for IT and security. Our goal is to empower MSPs with automation, optimization, and scalability tools to enhance their operations. 

Role Overview

As a Senior Back-end Engineer (Java) at Flamingo, you will design and develop scalable, high-performance back-end services and APIs using Java and Spring Boot. You will be responsible for implementing event-driven microservices, optimizing system performance, and ensuring high availability as we scale our platform. Your expertise in processing high-volume logs and integrating multiple data sources will be critical to building a robust and efficient system.

Key Responsibilities

• Design and develop scalable backend services and APIs using Java (Spring Boot).
• Architect and implement event-driven microservices with Kafka and RabbitMQ.
• Process and analyze high-volume logs efficiently to ensure scalability and real-time insights.
• Integrate and manage multiple data sources, including SQL, NoSQL, and streaming data.
• Optimize database performance using PostgreSQL, Redis, and Elasticsearch.
• Implement authentication and authorization mechanisms with OAuth, JWT, and Keycloak.
• Collaborate with front-end and DevOps teams to build a seamless and resilient system.
• Ensure code quality through automated testing, CI/CD pipelines, and best engineering practices.

Qualifications

Must-Have:

• 5+ years of experience in backend development with Java and Spring Boot.
• Experience in microservices architecture, including event-driven systems (Kafka, RabbitMQ).
• Strong knowledge of RESTful APIs, GraphQL, and WebSockets.
• Experience processing high-volume logs and working with log management tools (ELK stack, Loki, Fluentd, OpenTelemetry).
• Experience working with multiple data sources, including relational (PostgreSQL) and non-relational (Redis, Elasticsearch) databases
• Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS/GCP).
• Understanding of security best practices in backend development.

Nice-to-Have:

• Experience with functional programming in Java or Scala.
• Familiarity with distributed tracing (e.g., Jaeger, Zipkin) for microservices.
• Knowledge of cloud-native architectures and serverless frameworks.
• Exposure to message queues and event sourcing.

Why Join Flamingo?

• High-impact role: As a back-end engineer, your contributions will directly shape Flamingo’s product and technology.
• Innovative Tech Stack: Work with cutting-edge open-source technologies in AI, automation, and security.
• Remote-first Culture: Flexibility to work from anywhere while collaborating with a top-tier team.
• Mission-Driven Company: Join a team passionate about disrupting the MSP industry and making enterprise-grade security and IT automation accessible to all.

ProArea Digital Agency is a team of experts who develop solutions for professional services, commerce, fintech, telecom, energy, and enterprise companies. We use best practices in software development and help clients build products ranging from startup MVPs to large-scale business-critical systems.
 

Key facts:

✓ Our main value is comfort and the first principle is “Don't nag” (Не нуди);
✓ We’ve received awards on Clutch and Behance for our development and design work;
✓ We work only with interesting projects and competent customers;
✓ We constantly improve our skills and expertise;
✓ We believe it’s important to work hard and play hard.

For more information, please visit our website: proarea.com
 

What we offer

Being a member of the ProArea team means:

• Flexible working schedule;
• Fully remote work;
• Long-term projects;
• Competitive compensation;
• 24 vacation days and sick days;
• Corporate English courses;
• Weekly team activities;
• Strong engineering culture and knowledge sharing;
• Friendly team and supportive environment.
   

About the Project

We are looking for a Senior Java Engineer with strong Keycloak and IAM experience to join our team.

You will work on a technically challenging international project involving backend development, identity management, system integrations, and security-focused functionality.

Location: EU or Ukraine (remote)
English: B2+
Workload: Full-time
 

Responsibilities

• Develop and maintain backend functionality using Java;
• Work with Keycloak-based identity and access management solutions;
• Configure and customize authentication and authorization functionality;
• Develop and maintain integrations with internal and external systems;
• Work with APIs and modern authentication protocols;
• Participate in architecture and technical decision-making;
• Contribute to application security and access-control practices;
• Work with containerized environments and CI/CD processes;
• Conduct code reviews and maintain high engineering standards;
• Collaborate with an international development team.
   

Skills Required

• 5+ years of commercial software development experience;
• Strong commercial experience with Java;
• Hands-on experience with Keycloak;
• Experience customizing Keycloak authentication flows and/or UI/themes;
• Good understanding of Identity and Access Management (IAM);
• Strong understanding of authentication and authorization concepts;
• Experience working with modern authentication protocols and standards;
• Experience designing and integrating REST APIs;
• Experience with Docker and containerized environments;
• Understanding of CI/CD and modern development workflows;
• Good understanding of application security principles;
• Strong problem-solving skills and proactive mindset;
• B2+ English communication skills.
   

Nice to Have

• Experience with Kubernetes;
• Experience with enterprise identity integrations;
• Linux experience;
• Automation or scripting experience;
• Experience with monitoring and logging tools;
• Experience with cloud environments;
• Frontend experience with Angular, React, Vue.js, or similar technologies;
• Experience working with enterprise or security-sensitive systems.
  
  We are looking for someone who
• Takes ownership of their work;
• Is proactive and self-driven;
• Can communicate effectively with international teams;
• Is comfortable working with complex integrations and security-related functionality;
• Enjoys solving challenging engineering problems.

About Us

Peratera is a UK-based fintech company, founded in 2022 and authorised by the FCA as an Electronic Money Institution. We are building a modern, all-in-one payment platform that enables businesses to manage global payments and financial operations seamlessly.

Our solution allows companies to open multi-currency accounts, send and receive payments worldwide, and manage cross-border transactions from a single platform. Our mission is to simplify global finance and remove friction from international business operations.

Your mission

As a Middle Java Engineer, you will be part of the team building and evolving the core services behind our financial platform.

This is a hands-on engineering role where you will have the opportunity to contribute to technical decisions, improve existing solutions, and help shape the future of product.

Your Tech Environment

You will work in a modern, cloud-native stack with clear ownership and no legacy surprises:

• Backend: Java 17+, Spring Boot (Core, Security, Data, Cloud), REST APIs, event-driven services, Camunda
• Infrastructure: AWS (EKS, RDS, CloudWatch), Docker, Kubernetes, GitLab CI/CD
• Data & Messaging: PostgreSQL, AMQP / Kafka-style message brokers, event-driven architecture
• Observability: OpenSearch / ELK, Prometheus / Micrometer, OpenTelemetry (in progress)
• Integrations: Open Banking providers, banking partners, external payment systems

What You’ll Do

• Design, develop, and maintain core platform services, including payment flows, transaction lifecycle, reconciliation, and wallet infrastructure
• Participate in architecture discussions and contribute to technical solutions aligned with the overall platform direction
• Write clean, maintainable, and well-tested code following established engineering standards
• Collaborate with other engineers through code reviews, knowledge sharing, and technical discussions
• Translate business and technical requirements into reliable and scalable backend solutions
• Work closely with Product and DevOps teams to deliver financial features end-to-end
• Contribute to the platform’s evolution toward AI-assisted and data-driven capabilities
• Help improve platform reliability, fault tolerance, observability, and performance at scale

What We’re Looking For

• 3+ years of commercial experience with Java in production environments
• Hands-on experience with the Spring Boot ecosystem and backend application developmentDeep expertise in the Spring Boot ecosystem and distributed systems at scale
• Experience working with distributed systems and developing scalable backend services
• Experience building or supporting financial products, such as payments, wallets, banking, or fintech solutions
• Good understanding of software engineering practices, including clean code, testing, and code reviews
• Strong experience with REST API development and messaging systems
• Comfortable working in a distributed, international team and collaborating asynchronously
• Familiarity with cloud environments, CI/CD pipelines, and observability tooling

Nice to Have

• Previous experience in fintech, banking, payments, EMI, or other regulated financial environments
• Familiarity with payment-related compliance requirements, including PCI DSS
• Exposure to Open Banking providers or integrations with payment schemes
• Experience with Camunda or other workflow orchestration tools
• Fully remote setup with flexible hours and an international, highly skilled team

What You’ll Get

• Competitive, market-aligned compensation — discussed openly at first interview
• Direct impact on architecture and strategic platform decisions from day one
• A real fintech platform running at production scale — not a demo environment
• Exposure to modern cloud-native, AI-assisted, and Open Banking systems
• Fully remote setup with flexible hours and an international, highly skilled team

Sounds like a match? Send us your CV — we’re excited to get to know you.

• 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:

  - 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: C1 Advanced

🚀 AIMPROSOFT is looking for a Backend Tech Lead (Java/PHP)!
 

Aimprosoft is looking for an experienced Backend Tech Lead (Java/PHP) to join a telecom transformation project on a full-time contract basis (6–12 months). 
 

You’ll take technical ownership across two connected development streams — modernization of an existing broadband platform and development of a new customer-facing portal. 
 

🎯 About the project & role 

The client is an established UK telecom service provider undergoing a major platform transformation. 
 

The project combines two parallel streams. The first focuses on stabilizing and modernizing an existing PHP-based broadband platform hosted in AWS, restoring critical telecom capabilities and integrations. The second involves building a new customer-facing portal with a Java backend and React frontend. 
 

As a Tech Lead, you’ll lead technical discovery, define the target architecture and ensure architectural alignment between the legacy and new platforms. This is a hands-on leadership role combining solution design, technical leadership, and work with critical parts of the codebase. 
 

Your responsibilities will include: 

• Leading technical discovery and defining the target architecture and modernization strategy 
• Analyzing and modernizing the existing PHP platform, AWS dependencies, and integrations 
• Driving the architecture of the new Java backend and its integration with the React-based portal 
• Designing APIs and integration contracts between legacy, new, and external systems 
• Leading technical implementation across both modernization and new development streams 
• Establishing technical standards and reviewing critical designs and code changes 
• Mentoring engineers and collaborating closely with client and project stakeholders 
   

🔥 What We Need From You 

• 10+ years of software engineering experience with proven Tech Lead / Solution Lead experience 
• Strong and recent commercial experience with Java and solid previous hands-on experience with PHP 
• Strong experience with AWS 
• Experience in the Telecom domain (BSS/OSS, ISP/Broadband, provisioning, order management, billing, CRM, or similar) 
• Strong experience with system integration, API architecture, distributed systems, and Kafka or similar messaging technologies 
• Experience modernizing complex legacy applications and working with SQL databases 
• Upper-Intermediate+ English (B2+) 
   

📌 Nice to have 

• Experience with broadband ordering, provisioning, or Lead-to-Cash processes 
• Experience integrating with telecom wholesale/network providers 
• Experience with Salesforce integrations 
• Experience migrating applications between AWS environments/accounts

N-iX is looking for a Senior Mobile/Web engineer to join our team. 

The Investment and Pension Products (IPP) tribe at Raisin builds Raisin’s capital markets–based products, enabling customers to grow their wealth with confidence. We take complex, highly regulated financial systems and turn them into easy, transparent, and scalable product experiences. This is core to Raisin’s mission, given the central role these product lines play in Raisin becoming the home for our customers’ wealth.

The teams in the IPP tribe аре cross-functional and focused on the further internationalisation of Raisin’s investment products. The team owns the design, development, and operation of its services end-to-end, following a “you build it, you run it” mindset. This includes responsibility for system reliability, scalability, and continuous improvement in close collaboration with Product, Risk, and other stakeholders.

Team’s Stack:

• Backend: Java (Spring Boot), MySQL, Kafka, AWS
• Web: TypeScript, ReactJS
• Mobile: TypeScript, React Native

Responsibilities:

• Delight customers and internal stakeholders by building and maintaining high-quality customer-facing platforms and internal tools.
• Own the design, implementation, testing, deployment, and ongoing refinement of applications and services end-to-end.
• Guide features through the full lifecycle—from discovery and implementation to testing, iteration, and successful launch.
• Write clean, maintainable, secure, and well-tested code with a strong quality mindset (unit, integration, component, and contract testing where applicable).
• Collaborate closely with Product, UX, Risk, and other stakeholders to translate complex domain requirements into practical, efficient, secure, and compliant solutions.
• Actively participate in architecture discussions and contribute to defining technical standards, guidelines, and best practices.
• Continuously improve engineering processes, CI/CD pipelines, automation, and overall operational readiness to enhance developer productivity.
• Work in an agile, cross-functional team with end-to-end ownership and a strong sense of accountability.
• Use AI tools productively and responsibly to accelerate delivery and improve quality.
• Foster an inclusive and collaborative team culture through knowledge sharing, constructive feedback, mentoring, and pairing.
• Contribute to an environment of open communication, trust, and continuous improvement, taking responsibility for personal growth as well as the growth of the team.
  
   

Profile Description:
● University degree in CS/related field or equivalent practical experience.
● 5+ years of experience with React and React Native, with a proven track record of shipping production iOS/Android apps and Next.js web applications.

Technical skills:
● Proficiency in React, React Native, Next.js, React Hooks, and state management (Redux, Zustand, etc.).

• Hands-on experience with monorepo tooling (Nx, Turborepo) managing separate Web and Mobile repositories.
  ● Experience with Microfrontend (MFE) architectures on the web.
  ● Strong proficiency in TypeScript, JavaScript, HTML, CSS, and mobile-first responsive web design.
  ● Familiarity with CSS-in-JS (styled-components) and modern UI libraries (Material-UI, Radix UI). ● Experience with Next.js (App/Page Router), SSG, JAMstack, and headless CMS platforms is a plus.
  
  App lifecycle expertise:
  ● Hands-on experience with mobile app signing, store submissions (App Store, Google Play), and web deployments (Vercel, AWS).
  ● Experience with CI/CD automation using GitLab CI, Fastlane, and Expo EAS. 

About the project

We're looking for a Java Developer with React skills to join a new project in the Marketplace domain for a client based in KSA (Saudi Arabia). The project is expected to kick off in September and will run for 12 months, with a possible extension.

The team will consist of 14 specialists: 6 Full-Stack Developers, 2 Tech Leads, 1 Solution Architect, a designer, and QA engineers.
 

Tech stack

• Java Spring Boot
• React / Next.js
• MySQL
• Redis
• ActiveMQ
• Kubernetes
• Modular Monolith Architecture
   

Requirements

• Commercial experience with Java Spring Boot at least 4 yaers
• Solid knowledge of React (Next.js is a plus) 
• Experience working with relational databases (MySQL)
• Understanding of message brokers (ActiveMQ) and caching (Redis)
• Experience with Kubernetes
• Understanding of Modular Monolith Architecture principles
• Experience working in large teams
• English level sufficient for client communication
   

Nice to have

• Experience on Marketplace domain projects
• Experience working with clients from the Middle East region
   

We offer

• A long-term project (12+ months) with stable workload
• Work in a large, well-structured team with clear role distribution
• A modern tech stack and interesting architectural challenges
• Remote Work Environment. Work from anywhere and be part of a geographically diverse team
• Stay Ahead of the Curve. Work with cutting-edge technologies
• Possibility of payment by PE account, Payoneer, or Wise
• Bonus & Referral system
• Flexible working hours 
• Paid professional certifications & educational courses
• Paid English classes
• Friendly atmosphere with quarterly team building
• No bureaucracy

• 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: Apache Spark, Hive, Java, Scala, Spring, SQL, Kafka, Hadoop.
  We are looking for a strong Senior Java Developer with Big Data experience (Hadoop, Spark) capable of build the design and establish the framework in order to expose and distribute the Risk data to wide variety of consumers including Finance, Front office Risk Systems, Trading Systems, Back office and Account systems. This should cover low latency access and Streaming, Push / Pull mechanisms depending on the type of consumers.
  The role of the Senior Java Developer 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

• Mandatory Skills Description:

  • At least 5 years of experience in software development, including professional backend software development experience;
  • Strong Knowledge of the Java programming languages
  • Understanding Java dependency injection frameworks, preferably Spring
  • Strong SQL skills
  • 1+ year of Big data development with extensive hands-on experience with Spark programming
  • Strong knowledge of big data technologies like Hadoop (Hive) and Spark
  • Understanding Data governance
  • Should be familiar with algorithms and design patterns
  • Understanding of distributed systems.
  • Understanding of CI/CD workflow.
  • Familiarity with the Linux environment, including scripting skills

• Nice-to-Have Skills Description:

  • Databricks and cloud services, preferably aws/gcp
  • Experience with in-memory databases and caching
  • Data modeling: fact, dimension tables, SCD
  • Understanding of open table formats: iceberg, delta lake, hudi
  • Understanding of open file formats: parquet, orc
  • Job Orchestration tools like Autosys or Airflow
  • Financial background (where possible)

• Languages:
  • English: B2 Upper Intermediate

We are developing a platform that receives securities and price data from multiple providers, enriches and validates it, and distributes the consolidated data to internal bank systems. Our team manages various web and desktop applications, web services, and Linux environments that enable visualization of securities and execution of related workflows.

Our components are built using Java 8-11, JavaScript/TypeScript, Oracle, and Spring 4-5, including Spring Boot.

• Responsibilities:

  - Develop back-end systems using Java with well-tested code.
  - Support the development environment, primarily through automation using Jenkins CI and Bash.
  - Evaluate and implement new development tools, libraries, and methodologies to enhance quality.
  - Conduct peer code reviews for changes in the project codebase.
  - Collaborate effectively with a global team across multiple time zones, demonstrating strong verbal and written communication skills.
  - Provide constructive suggestions and alternative solutions to team members to identify the most efficient and optimized approaches.

• Mandatory Skills Description:

  The role requires extensive expertise in Java SE and Java EE with over a decade of professional experience, emphasizing strong proficiency in the Spring framework, including Boot, IoC, MVC, AOP, Security, Data, JDBC, and testing components. The candidate must be skilled in SQL and relational databases, specifically Oracle, and have a solid understanding of Servlets, servlet containers such as Tomcat, and application servers like Weblogic. Familiarity with CI/CD processes and tools, notably TeamCity and Jenkins, is also essential.
  
  Hard skills include:
  - Advanced Java SE and Java EE development
  - Comprehensive Spring framework application
  - SQL query writing and database management using Oracle
  - Knowledge of Servlets, Tomcat, and Weblogic server environments
  - Experience with CI/CD pipelines using TeamCity and Jenkins
  - Practical Linux system navigation, file and permission management, user and group administration, process and service handling, security keys and certificates, and basic Bash scripting
  
  Soft skills focus on:
  - Analytical problem-solving to identify and implement effective, maintainable solutions
  - Collaborative discussion and consensus-building within the team to select optimal approaches

On behalf of our Client from the US, Mobilunity is looking for a Java Technical Lead

You will work on mission-critical backend systems powering a large-scale US e-commerce platform. The role involves designing and developing backend services, integrations, inventory synchronization, order processing, pricing logic, and marketplace integrations supporting a high-traffic online business.

This is not a typical feature-delivery role. You’ll participate in architectural discussions, solve complex engineering problems, and collaborate directly with technical and business stakeholders to deliver scalable solutions.

Candidates must be available to work primarily during US business hours, with a preferred schedule of 1:00 PM – 8:00 PM CET.

What we’re looking for:

We’re looking for more than a Senior Java Developer.

We need an engineer who enjoys understanding business problems before proposing technical solutions.

You should be comfortable working with open-ended challenges, evaluating trade-offs, asking the right questions, and independently designing scalable backend solutions.

The ideal candidate:

• thinks beyond implementation;
• understands business impact;
• enjoys solving complex engineering problems;
• proactively identifies bottlenecks;
• can justify architectural decisions;
• understands scalability, performance and cost optimization;
• uses AI as an engineering productivity tool while applying independent judgment.

Responsibilities:

• Design, develop and maintain scalable backend services using Java and Spring.
• Build integrations with internal services, marketplaces and external partners.
• Develop REST and SOAP APIs.
• Work on inventory synchronization, pricing, catalog management and order processing.
• Participate in architecture discussions and technical decision-making.
• Troubleshoot production issues.
• Collaborate directly with engineering and business stakeholders.
• Improve system scalability, reliability and performance.
• Contribute to engineering standards and development best practices.

Requirements:

• 7+ years of commercial Java experience.
• Strong Java SE and OOP knowledge.
• Spring Boot, Spring Framework.
• Hibernate/JPA.
• REST APIs.
• SOAP.
• SQL (MySQL or similar).
• Software architecture principles.
• Experience designing scalable backend systems.
• Strong analytical and problem-solving skills.
• Advanced English.

Nice to have:

• SAP Commerce (Hybris)
• AWS
• Docker
• Kafka
• CI/CD
• GraphQL
• Marketplace integrations
• Event-driven architecture
• High-load systems
• Automotive / Retail / E-commerce
• AI-assisted development
• Experience working with US companies

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program designed to attend our teams’ needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

PLEASE NOTE that we are searching for candidates who are located in Lviv and are able to visit office in Lviv.

About us:

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content and services. We provide casino, sports betting, platform and payments, and affiliate management to 200 customers worldwide.

But that's not all! We're not just about numbers, we're about people. With a team of over 1000 passionate individuals spread across twelve countries in Europe, Asia, and the US, we're all united by our love for innovation and teamwork.

EveryMatrix is a member of the World Lottery Association (WLA) and European Lotteries Association. In September 2023 it became the first iGaming supplier to receive WLA Safer Gambling Certification. EveryMatrix is proud of its commitment to safer gambling and player protection whilst producing market leading gaming solutions.

Join us on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time.

We are looking for a passionate and dedicated Strong Junior Java Developer to join our team in Lviv!

About the job:
It is a part of EveryMatrix platform that is responsible for collecting, storing, processing and utilizing hundreds of millions of transactions from the whole platform every single day. We develop Business Intelligent solutions, reports, 3rd party integrations, data streaming and other products for both external and internal use. The team consists of 35 people and is located in Lviv. We are looking for motivated, proactive developers willing to learn modern technologies, working in a challenging and fast-paced environment. You will be working in small cross-functional Agile teams responsible for the end-to-end development and component support using the You Build It, You Run It principle.

What You'll get to do:

• Extend and optimize the Rules Engine.
• Collaborate with cross-functional teams to deliver innovative solutions.
• Participate in code reviews and contribute to team knowledge sharing.
• Troubleshoot, debug, and resolve software defects and issues.
• Assist in designing and implementing new features.
• Develop unit and integration tests to ensure software quality.
• Document code, processes, and technical specifications.
• Stay up-to-date with Java best practices and emerging technologies.
• Support deployment and maintenance of applications in development and production environments.
• Participate in Agile ceremonies and contribute to sprint planning and retrospectives.

What You need to know:

• Java Core: Deep understanding of collections, performance tuning, type systems, garbage collection, and exception handling.
• Multithreading & Concurrency: Expertise in managing asynchronous computations and ensuring thread safety.
• HTTP & RESTful Services: Strong experience in developing and consuming RESTful services.
• RDBMS & SQL: Proficiency in writing complex SQL queries and a solid understanding of RDBMS theory.
• Spring Boot: Practical experience with the Spring ecosystem, including a strong theoretical foundation.
• Apache Kafka: Proven experience with Kafka, including both practical application and theoretical knowledge.
• Unit/Integration Testing: Demonstrated ability to write testable code with adequate coverage.

Nice to Have:

• Experience with Docker & Kubernetes.
• Experience with the Google Cloud platform.
• Knowledge of Online Casino/Sports Systems.

Here's what we offer:

• Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
• 3 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance
• Hybrid work schedule is available after the first three months of employment with 80/20 office/home format until the end of 2026. Starting from 2027, the policy will transition to primarily office-based work, with up to 10 work-from-home days per year with manager approval.
• Benefit from two Free Fridays each year, limited to one per quarter.
• Daily catered lunch or monthly lunch allowance. 
• Private Medical Subscription. 
• Access online learning platforms like Udemy for Business, LinkedIn Learning or O’Reilly, and a budget for external training.
• Gym allowance.
• Corporate English lessons.
• Support for New Parents:
• 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old.
• 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.

Our office perks include on-site massages and frequent team-building activities in various locations.

At EveryMatrix, we're committed to creating a supportive and inclusive workplace where you can thrive both personally and professionally. Come join us and experience the difference!

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, Kinesis
Data formats: Avro, Protobuf
Languages: Java, Scala, Python
 
About the project:
Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.
 
Location:
Ukraine remote
 
Skills & Experience:
- 4 - 8 years of experience building large-scale and low-latency distributed systems
- B.S. or M.S. degree in Computer Science, Engineering, or equivalent 
- Command of Java or C++
- Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming 
-Self-motivated individual with a high level of accountability and ownership
- Critical thinking and practical decision making
- Can do, results-oriented mindset
 
Will be a plus: 
- Experience with distributed caching, SQL/NoSQL, and other databases is a plus 
- Experience with Big Data and cloud services such as AWS/GCP is a plus
Experience in the advertising domain is a big plus 

 Responsibilities
- Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
- Own building features, driving directly with product and other engineering teams 
- Demonstrate excellent communication skills in working with technical and non-technical audiences 
- Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops 
- Be an evangelist for platform innovation and reuse 
- Deliver top-quality software in a timely fashion 

 

🚀 AIMPROSOFT is looking for a Full-Stack Java Developer (ReactJS/Spring Boot)! 

Aimprosoft, a fast-growing IT company, is looking for a Full-Stack Java Developer (ReactJS/Spring Boot) on a contract basis (≈ 2+ months) for an international Telecom project. 

This is a hands-on backend role focused on building a Service Integration Layer for a UK broadband and telecom wholesale operator. The platform will orchestrate VOIP and hardware service fulfilment between the client’s commercial order management system and downstream suppliers. 

You will join the project at the MVP stage and contribute to an intensive 8-week Phase 0 proof of capability. The role is a strong fit for an engineer who is comfortable working with backend integrations, long-running workflows, AWS services, and evolving technical specifications. 

🎯 About the project & role: 

The Service Integration Layer will manage complex order journeys across the client’s wholesale carrier ecosystem. Its responsibilities include service qualification, VOIP ordering, supplier orchestration, inventory updates, status tracking, and reliable recovery of interrupted processes. 

You will: 

• Implement Service Qualification and Service Order APIs using Java and Spring Boot  
• Build an adapter for integration with an external VOIP and hardware supplier  
• Implement six supplier operations covering customer, subscription, user, and phone-number provisioning  
• Embed and configure a workflow engine such as Camunda, Flowable, jBPM, or a similar solution  
• Implement long-running workflows with timers, persisted state, retries, compensation, and recovery  
• Ensure reliable asynchronous processing through idempotency, correlation IDs, timeouts, and error handling  
• Build mocks and stubs for external systems to keep development independent of third-party sandbox availability  
• Implement a minimum read-only Service Inventory and catalogue configuration  
• Produce OpenAPI documentation and maintain a clear variance log for differences between the specification and implemented contracts  
• Demonstrate durable order persistence and clean workflow recovery after an intentional mid-process restart  
• Collaborate with the Architect, QA, DevOps, and Project Manager throughout implementation  

All development will take place inside the client’s AWS account, repositories, and CI/CD environment.  

🔥 What We Need From You: 

• 5+ years of commercial Java development experience  
• Strong hands-on experience with Spring Boot 
• Commercial experience with ReactJS and the ability to develop and maintain frontend components integrated with Java/Spring Boot APIs 
• Upper-Intermediate+ (B2+) English level 
• Experience building REST APIs and integration-heavy backend services  
• Solid understanding of REST and JSON API design and consumption 
• Experience integrating with at least one non-trivial third-party API  
• Practical knowledge of retry strategies, timeout handling, error processing, and idempotency  
• Experience with long-running or stateful business processes using workflow engines, sagas, or state machines  
• Understanding of asynchronous and event-driven integration patterns  
• Experience with microservice architecture  
• Familiarity with OAuth2-secured APIs  
• Practical AWS experience, particularly with services such as API Gateway, ECS/Fargate, Lambda, AWS OpenSearch, RDS, SQS, or EventBridge. 
• Basic understanding of infrastructure managed with Terraform  
• Ability to work effectively with evolving specifications, identify ambiguities, and raise them as tracked risks  

• Ability to deliver in a fast-paced, fixed-deadline environment  

   

📌 Nice to have: 

• Experience with TM Forum Open APIs  
• Background in telecom OSS/BSS integrations 
• Hands-on experience with Camunda 8 SaaS, Flowable, jBPM, or another BPM/workflow engine  
• Experience embedding or operating a workflow engine as part of a Java application  
• Understanding of process definitions, timers, compensation, and workflow state persistence  
• Understanding of telecom order lifecycle, service qualification, inventory, or provisioning processes  
• Experience with transactional outbox, idempotent consumers, correlation IDs, and recovery patterns  
• Experience working with Apache Kafka or RabbitMQ  
• Knowledge of AWS Secrets Manager  
• Experience working on fixed-scope or fixed-deadline delivery projects  
• Experience producing OpenAPI documentation and supporting Postman-based integration testing  
• Bachelor’s or Master’s degree in Computer Science or a related field  

💼 What We Offer: 

• Official military deferment (reservation); 
• A competitive salary that appreciates your skills and experience; 
• Opportunity to join a strategically important pilot team with long-term project prospects 
• Work on modern cloud-native products that deliver real-world impact 
• Exposure to AI-powered development practices and enterprise-scale engineering 
• Open environment where your ideas, technical expertise are valued