Lead Java Developer

🏢 Summary: Lead Java Developer role focused on designing and delivering component-based services for a global fixed income trading platform, driving modernization, platform standardization, and high-quality software delivery. The position involves working with Java enterprise technologies, integrations, and supporting migration to a strategic platform in a global environment. You will own delivery outcomes and collaborate closely with business and IT stakeholders. 🗂️ Requirements: 7+ years of professional software development experience, Deep expertise in Core Java, Hands-on experience with SQL, Hands-on experience with Spring framework, Strong written and verbal English skills, Ability to collaborate with global teams 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are building a Lead Java Developer role to strengthen a global fixed income trading platform built on Java and enterprise standards. You will design and deliver component-based services using technologies like JMS, ORM, Spring, WebServices, REST, plus integrations across TCP/IP networking and scripting (bash, Perl, Python) and even C++. Apply now to help modernize the platform and drive high-quality delivery Responsibilities Design and implement software components that meet defined requirements Own delivery outcomes by ensuring software quality and agreed standards Partner with the customer to clarify and understand deliverables Support the business with platform rationalization and optimization efforts Drive reduction of technical debt and advance platform standardization Assist the business with migration to the strategic platform Collaborate with IT teams across global locations Requirements Proven 7+ years of professional experience in software development Deep expertise in Core Java Hands-on proficiency with SQL and the Spring framework Excellent communication and effective time management skills Collaborative team player mindset with a pragmatic approach to software delivery Strong English skills (written and verbal) Nice to have Experience with Java multithreading, networking, and web services Familiarity with JMS and Redis Ability to elicit and document requirements with strong focus on software quality Knowledge of the investment banking domain Understanding of Agile principles, including Scrum or Kanban We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively

🏢 Summary: Senior Java Developer role focused on building and evolving a globally distributed trading platform for fixed income products. The position involves designing and implementing high-quality software components, supporting platform optimization and migration, and collaborating with international IT teams. It requires strong expertise in Core Java, Spring, and SQL within enterprise-level systems. 🗂️ Requirements: At least 5 years of experience in software development, Strong knowledge of Core Java, Proficiency in SQL, Proficiency in Spring framework, Strong written and verbal English, Ability to work collaboratively in a global team environment 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively

🏢 Summary: Senior Java Developer role focused on building and optimizing enterprise trading systems in the financial domain using Java and related enterprise technologies. The position involves designing software components, improving platform standardization, supporting migration initiatives, and collaborating with global IT teams. Candidates should have strong Core Java, SQL, and Spring expertise with experience in enterprise-scale software development. 🗂️ Requirements: 5+ years of software development experience, Strong Core Java knowledge, Proficiency in SQL, Experience with Spring, Strong written and verbal English, Good communication skills, Time management skills, Team-oriented approach 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Lead Java Developer role focused on building and modernizing high-performance Java solutions for Fixed Income Rates and Credit trading platforms. The position involves developing scalable low-latency applications, supporting production systems, and collaborating with global IT and business stakeholders. Hybrid work from the Krakow office three days per week is required. 🗂️ Requirements: 5+ years of professional Java development experience, Experience with low-latency programming, Experience with multi-threaded programming, Strong problem-solving and analytical skills, Ability to explain technical concepts to non-technical stakeholders, Ability to learn new technologies quickly, English proficiency at B2 level or higher 📃 Skills: Java, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are building high-performance Java solutions for Fixed Income Rates and Credit trading desks within a global markets technology organization. As a Lead Java Developer, you will translate trading needs into scalable services, modernize existing components, and partner across regions to keep the platform reliable and fast. Please note that working from the office in Krakow 3 days per week is required. Responsibilities - Design and deliver scalable Java applications that address complex business challenges - Improve performance and maintainability by optimizing and refactoring existing components - Facilitate UAT and run demonstrations with key stakeholders - Convert business requirements into clear technical specifications - Coordinate with global IT teams to enable seamless integration - Support production releases and provide ongoing maintenance - Develop cutting-edge solutions while sustaining a sophisticated, multi-faceted platform Requirements - Proven track record with 5+ years of professional Java development experience - Hands-on experience with low-latency and multi-threaded programming techniques - Excellent problem-solving and analytical skills to tackle complex technical challenges - Strong communication skills, able to explain complex technical concepts to non-technical stakeholders - Willingness to learn quickly and adapt to new technologies and market changes - English proficiency at B2 (Upper-Intermediate) level or higher Nice to have - Understanding of financial markets, particularly Rates and Credit bonds/derivatives and trading platforms (e.g., Bloomberg, Tradeweb) - Familiarity with messaging systems like Kafka and data serialization formats (e.g., AVRO) - Knowledge of cloud platforms (Azure, AWS or GCP)

🏢 Summary: Lead Java Developer role focused on building scalable Java backend applications in the finance domain using Agile and TDD practices. The position involves technical leadership, architectural support, production issue resolution, and collaboration on modern backend solutions. The offer includes flexible remote work, career development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 5+ years of experience with Java backend development, Experience with Java 8, Experience with Spring, Experience with Spring Boot, Knowledge of database design and SQL, Query optimization skills, Understanding of OOD principles, Knowledge of TDD, Knowledge of BDD, Knowledge of DDD, Knowledge of CI/CD, Experience with IntelliJ IDEA, Experience with Git, Experience with Gradle, Familiarity with Maven, Familiarity with Jenkins, Familiarity with JIRA, Debugging and performance tuning skills, Experience deploying and maintaining complex Java applications, Knowledge of modern technical architectures, Strong analytical and problem-solving skills, English communication skills 📃 Skills: Java, Spring, SpringBoot, SQL, OOD, TDD, BDD, DDD, CI/CD, IntelliJ, Git, Gradle, Maven, Jenkins, JIRA, GitHub, ELK, Kafka, Docker, Kubernetes, SpringBatch, SpringIntegration, Groovy, Scrum, Kanban, XP, UNIX, Linux, Shell 🏢 Description: We are looking for a Lead Java Developer with a passion for quality demonstrated through Agile and TDD practices, someone who can build robust and scalable Java backend applications within the complex finance domain. Responsibilities Develop and maintain Java-based applications Design infrastructure and network topology solutions for innovative projects Apply best development practices to produce code and effectively utilize technologies Provide expertise and architectural assistance to other team members Build relationships with users and facilitate requirements gathering Resolve production issues and help maintain a stable production environment Lead technical design discussions with other Java Developers Ensure the development methodology is followed across the team Requirements Experience in designing and implementing Java-based backend applications using Java 8 Spring and Spring Boot with 5+ years of experience Knowledge of database design and SQL including query optimization Skills in Object-Oriented analysis and design with understanding of design patterns clean code principles and concepts like OOD TDD BDD DDD and CI/CD Proficiency in software development lifecycle tools such as IntelliJ IDEA Git and Gradle Familiarity with additional development tools such as Maven Jenkins and JIRA Familiarity with debugging and performance tuning along with understanding of deploying maintaining and monitoring complex Java applications Knowledge of modern technical architectures and how to pragmatically leverage their benefits Excellent analytical and problem-solving skills Good written and verbal communication skills in English Nice to have Skills in GitHub ELK Stack and Kafka Familiarity with Docker Kubernetes Spring Batch and Spring Integration Familiarity with event-driven architectures stream processing and other JVM languages such as Groovy Hands-on experience in Agile methodologies such as Scrum Kanban and XP with exposure to UNIX/Linux environment and shell scripting Experience or interest in financial products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Lead Java Developer role focused on building scalable Java backend applications in the finance domain using Agile and TDD practices. The position involves technical leadership, architectural support, production issue resolution, and collaboration on modern backend solutions. The offer includes remote flexibility, career development programs, certifications, and a comprehensive benefits package. 🗂️ Requirements: 5+ years of experience with Java 8, Experience with Spring, Experience with Spring Boot, Experience designing and implementing Java backend applications, Knowledge of database design, SQL and query optimization skills, Understanding of OOD, Knowledge of TDD, Knowledge of BDD, Knowledge of DDD, Knowledge of CI/CD, Experience with IntelliJ IDEA, Experience with Git, Experience with Gradle, Familiarity with Maven, Familiarity with Jenkins, Familiarity with JIRA, Debugging and performance tuning skills, Knowledge of modern software architectures, English communication skills 📃 Skills: Java, Spring, SpringBoot, SQL, OOD, TDD, BDD, DDD, CI/CD, IntelliJ, Git, Gradle, Maven, Jenkins, JIRA, GitHub, ELK, Kafka, Docker, Kubernetes, Groovy, Scrum, Kanban, XP, Linux, Unix, Shell 🏢 Description: We are looking for a Lead Java Developer with a passion for quality demonstrated through Agile and TDD practices, someone who can build robust and scalable Java backend applications within the complex finance domain. Responsibilities Develop and maintain Java-based applications Design infrastructure and network topology solutions for innovative projects Apply best development practices to produce code and effectively utilize technologies Provide expertise and architectural assistance to other team members Build relationships with users and facilitate requirements gathering Resolve production issues and help maintain a stable production environment Lead technical design discussions with other Java Developers Ensure the development methodology is followed across the team Requirements Experience in designing and implementing Java-based backend applications using Java 8 Spring and Spring Boot with 5+ years of experience Knowledge of database design and SQL including query optimization Skills in Object-Oriented analysis and design with understanding of design patterns clean code principles and concepts like OOD TDD BDD DDD and CI/CD Proficiency in software development lifecycle tools such as IntelliJ IDEA Git and Gradle Familiarity with additional development tools such as Maven Jenkins and JIRA Familiarity with debugging and performance tuning along with understanding of deploying maintaining and monitoring complex Java applications Knowledge of modern technical architectures and how to pragmatically leverage their benefits Excellent analytical and problem-solving skills Good written and verbal communication skills in English Nice to have Skills in GitHub ELK Stack and Kafka Familiarity with Docker Kubernetes Spring Batch and Spring Integration Familiarity with event-driven architectures stream processing and other JVM languages such as Groovy Hands-on experience in Agile methodologies such as Scrum Kanban and XP with exposure to UNIX/Linux environment and shell scripting Experience or interest in financial products We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Java Developer role focused on building and optimizing scalable, high-performance applications for Fixed Income Rates and Credit trading desks within a global markets technology team. The position involves Java development, low-latency and multi-threaded programming, cross-functional collaboration, and production support in an international environment with hybrid work from Krakow. 🗂️ Requirements: 3+ years of professional Java development experience, Experience with low-latency programming, Experience with multi-threaded programming, Strong problem-solving and analytical skills, Ability to translate business requirements into technical specifications, Strong communication skills, English level B2 or higher, Availability to work from Krakow office 3 days per week 📃 Skills: Java, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are hiring a Java Developer to deliver high-performance applications for Fixed Income Rates and Credit trading desks in a global markets tech team. You will build scalable Java services, improve existing components, and collaborate across 8 cities in 6 countries. Please note that working from the office in Krakow 3 days per week is required. Responsibilities Design and develop scalable Java applications that solve complex business challenges Improve and refactor existing components to increase performance and maintainability Lead UAT activities and deliver demos for key stakeholders Translate business requirements into clear technical specifications Collaborate with global IT teams to ensure smooth integration Support production releases and provide ongoing maintenance Deliver modern solutions while preserving functionality across a sophisticated, multi-faceted platform Requirements Hands-on experience with Java development, including 3+ years of professional work Practical familiarity with low-latency techniques and multi-threaded programming approaches Excellent problem-solving and analytical abilities Strong communication skills, able to explain complex technical topics to non-technical stakeholders Demonstrated eagerness to learn and adapt to new technologies and market changes English proficiency at B2 (Upper-Intermediate) level or higher Nice to have Knowledge of financial markets, especially Rates and Credit bonds/derivatives, and trading platforms such as Bloomberg and Tradeweb Experience with messaging systems like Kafka and data serialization formats such as AVRO Understanding of cloud platforms including Azure, AWS, or GCP EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Java Developer role focused on building and optimizing high-performance applications for Fixed Income Rates and Credit trading desks. The position involves developing scalable Java solutions, collaborating with global IT teams, and supporting trading platform integrations in a hybrid work environment. 🗂️ Requirements: 3+ years of professional Java development experience, Knowledge of low-latency programming, Knowledge of multi-threaded programming, Experience with asynchronous programming, Strong Java Core skills, Excellent problem-solving skills, Strong analytical skills, Strong communication skills, Ability to explain technical concepts to non-technical stakeholders, Willingness to learn new technologies, English proficiency at B2 level or higher 📃 Skills: Java, Multithreading, Asynchronous, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are seeking a passionate Java Developer to create innovative applications for Fixed Income Rates and Credit trading desks. You'll deliver high-performance solutions while maintaining existing functionality and join the global Fixed Income Rates and Credit markets technology team. A 3-day-per-week presence in our office is required. Responsibilities Architect and develop scalable Java applications for complex business challenges Optimize and refactor existing components to improve performance and maintainability Lead UAT and demonstration sessions with key stakeholders Translate business requirements into technical specifications Collaborate with global IT teams to ensure seamless integration Support production rollouts and provide ongoing maintenance Requirements 3+ years of professional Java development experience Knowledge of low-latency and multi-threaded programming techniques Skills in asynchronous programming, multithreading and Java Core Excellent problem-solving and analytical skills Strong communication skills, able to explain complex technical concepts to non-technical stakeholders Willingness to learn and adapt to new technologies and market changes English proficiency at B2 level or higher Nice to have Understanding of financial markets, particularly Rates and Credit bonds/derivatives with trading platforms such as Bloomberg and Tradeweb Familiarity with messaging systems like Apache Kafka and data serialization formats such as AVRO Knowledge of cloud platforms such as Azure, AWS or GCP Background in financial services, trade execution and trade lifecycle EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Java Developer / Technical Lead role focused on building and enhancing high-performance, low-latency trading systems. The position drives end-to-end delivery of complex engineering initiatives, contributes to architecture decisions, and improves system scalability and reliability. It involves close collaboration with engineering and business stakeholders while mentoring other developers and evolving technical standards. 🗂️ Requirements: 8+ years of software development experience, Strong proficiency in Java, Solid understanding of concurrent and multithreaded programming, Experience building distributed systems, Proven ability to deliver complex technical solutions, Experience working in cross-functional environments, Strong communication skills, Ability to work in dynamic, fast-paced environments, Familiarity with modern development tools including AI-supported solutions, Willingness to work with technologies beyond Java 📃 Skills: Java, Concurrency, Multithreading, DistributedSystems, LowLatency, TradingSystems, Architecture, AItools 🏢 Description: Senior Java Developer / Technical Lead Responsibilities Develop and enhance high-performance components within a low-latency trading environment. Drive delivery of key engineering initiatives across the full lifecycle — from concept and design to deployment and support. Take ownership of complex technical areas, working cross-functionally with engineering and business stakeholders. Contribute to architectural decisions and help evolve engineering standards and best practices. Support and guide other engineers through knowledge sharing, collaboration, and hands-on problem solving. Participate in design discussions and code reviews to ensure high-quality solutions. Continuously improve system performance, scalability, and reliability. Work closely with business teams to translate requirements into technical solutions. Contribute to the ongoing modernization and simplification of existing systems and platforms. Requirements 8+ years of experience in software development, with a strong focus on Java Solid understanding of concurrent and multithreaded programming, Experience in a building financial/trading systems is a big plus Experience in building distributed systems. Proven ability to deliver complex technical solutions. Experience working in collaborative, cross-functional environments. Strong communication skills. Ability to work effectively in dynamic, fast-paced environments. Familiarity with modern development tools, including AI-supported solutions. Exposure to or willingness to work with technologies beyond Java

🏢 Summary: Opportunity for an experienced Java Developer to build and optimize high-performance financial systems, including trading platforms, risk management tools, and real-time market data solutions. The role focuses on developing scalable, mission-critical applications using modern Java and enterprise technologies. You will contribute to robust, low-latency systems in a fast-paced capital markets environment. 🗂️ Requirements: 5+ years of Java development experience (Java 8+), Strong experience with Spring Framework, Experience with relational and NoSQL databases (Oracle, PostgreSQL, MongoDB), SQL optimisation and database performance tuning skills, Experience with Maven or Gradle, Proficiency with Git, Experience designing and implementing RESTful APIs, Experience with messaging systems (JMS, RabbitMQ, Kafka) 📃 Skills: Java, Spring, Oracle, PostgreSQL, MongoDB, SQL, Maven, Gradle, Git, REST, JMS, RabbitMQ, Kafka 🏢 Description: About the Role We're seeking an experienced Java Developer to contribute to innovative financial technology solutions that drive the global capital markets. You'll be part of a collaborative team developing mission-critical systems including high-performance trading platforms, sophisticated risk management tools, regulatory compliance frameworks, and real-time market data processing engines trusted by top-tier financial institutions worldwide. What You'll Do Design and develop robust, scalable financial applications using modern Java technologies Build and optimise high-throughput trading systems and market data processing solutions Collaborate with cross-functional teams to deliver risk management and compliance platforms Implement RESTful services and integrate messaging systems for real-time data flow Optimise database performance and ensure system reliability in fast-paced trading environments Required Qualifications 5+ years of hands-on Java development experience with modern versions (Java 8 and above) Strong expertise in Spring Framework and enterprise application development Proven experience with relational and NoSQL databases including Oracle, PostgreSQL, and MongoDB Demonstrated skills in SQL optimisation and database performance tuning Proficiency with build automation tools ( Maven, Gradle ) Experience with Git version control and collaborative development workflows Solid understanding of RESTful API design and implementation Knowledge of enterprise messaging systems ( JMS, RabbitMQ, Kafka ) Be happy to work in a hybrid model - 3 days per week in the office in Central Krakow