9 Java Concurrency Jobs

Java Developer ( Multithreading, Messaging, and Low-Latency Trading Experience ) Job Summary Synechron is seeking an experienced Java Developer to join our development team. This role involves designing, developing, and optimizing high-performance, low-latency server-side applications primarily in Java, supporting trading systems and event-driven processing. The ideal candidate will bring deep expertise in multithreaded programming, messaging, and database integration, contributing to critical enterprise infrastructure. This position offers opportunities for technical leadership and impactful project delivery in a collaborative environment. Software Requirements Required Skills: Extensive hands-on experience in Java with focus on server-side application development Strong expertise in Java Concurrency , RX Streams , Collections API Proven experience working with caching solutions (GridGain or similar) Significant experience with multithreading and parallel processing coding experience with multicast messaging platforms (e.g., Solace, RV) experience with relational databases (SQL Server, Sybase, Oracle) Experience in designing low-latency trading application services Working knowledge of DevOps tools such as Maven, Jenkins, Nexus, Helios Preferred Skills: experience with cloud technologies such as Docker, Kubernetes or similar Overall Responsibilities Architect, develop, and maintain highly reliable, low-latency Java services for trading or event-driven systems Collaborate with cross-functional teams for technical design, implementation, and testing of scalable solutions Lead and guide development teams on best practices, code quality, and delivery standards Optimize existing codebases for performance, concurrency, and resource management Implement caching, messaging, and data management strategies to ensure system robustness and responsiveness Drive continuous improvement initiatives for development processes and technical solutions Mentor junior developers and promote knowledge sharing within the team Manage project timelines, deliverables, and technical risk assessments Technical Skills (By Category) Programming Languages: Essential: Java Preferred: Experience with Java frameworks and libraries relevant to concurrency, reactive programming, and event processing Databases/Data Management: Essential: SQL Server, Sybase, Oracle (5+ years of experience) Experience with data modeling, query optimization, and schema design Cloud Technologies: Nice-to-have: Docker, Kubernetes, containerization, and orchestration experience Frameworks and Libraries: RX Streams, Java Collections API, concurrency utilities, caching frameworks such as GridGain Development Tools & Methodologies: Maven, Jenkins, Nexus, Helios, Agile/Scrum practices, version control (Git) Security Protocols: Familiarity with best practices for secure coding, data protection, and system resilience Experience Requirements Minimum of 6 + years software development experience with strong focus on server-side Java applications Proven track record in developing low latency trading or event-driven systems Extensive experience with multicasting messaging platforms (e.g., Solace, RV) Deep understanding of multithreading, concurrency, and distributed system design Experience working in DevOps environments and with CI/CD pipelines Ability to lead projects and manage teams, with a focus on delivering high-quality technical solutions Day-to-Day Activities Develop, review, and optimize Java-based services handling real-time data streams and messaging Participate in daily stand-ups, sprint planning, and technical discussions Collaborate with product analysts and system architects to translate requirements into scalable solutions Maintain and enhance the performance, scalability, and reliability of core services Conduct code reviews and ensure adherence to coding standards and best practices Troubleshoot and resolve system issues, ensuring minimal downtime and high system availability Document technical designs, configurations, and deployment procedures Stay informed about emerging technologies and incorporate relevant innovations into existing systems Qualifications Bachelors or Masters degree in Computer Science, Software Engineering, or related field Certifications such as Oracle Java Certification or relevant cloud platform certifications are a plus Proven experience in designing, implementing, and maintaining low latency, high throughput systems Professional Competencies Exceptional analytical and problem-solving skills with an eye for detail Strong leadership abilities with experience managing technical teams or projects Excellent communication skills for effective stakeholder engagement and teamwork Ability to adapt quickly to new technologies and evolving project requirements Proactive mindset with a focus on delivering robust technical solutions and process improvements Strong organizational skills and ability to prioritize tasks effectively

Capco, a Wipro company, is a global technology and management consulting firm. Awarded with Consultancy of the year in the British Bank Award and has been ranked Top 100 Best Companies for Women in India 2022 by Avtar & Seramount. With our presence across 32 cities across globe, we support 100+ clients acrossbanking, financial and Energy sectors. We are recognized for our deep transformation execution and delivery. WHY JOIN CAPCO You will work on engaging projects with the largest international and local banks, insurance companies, payment service providers and other key players in the industry. The projects that will transform the financial services industry. MAKE AN IMPACT Innovative thinking, delivery excellence and thought leadership to help our clients transform their business. Together with our clients and industry partners, we deliver disruptive work that is changing energy and financial services. #BEYOURSELFATWORK Capco has a tolerant, open culture that values diversity, inclusivity, and creativity. CAREER ADVANCEMENT With no forced hierarchy at Capco, everyone has the opportunity to grow as we grow, taking their career into their own hands. DIVERSITY & INCLUSION We believe that diversity of people and perspective gives us a competitive advantage. Job TitleJava Developer LocationBangalore Experience5+ yrs Required Skill : Proficiency in Java, with a good understanding of its ecosystems Sound knowledge ofObject-Oriented Programming (OOP)Patterns and Concepts Familiarity with different design and architectural patterns Skill for writing reusable Java libraries Knowhow of Java concurrency patterns Basic Understanding of the concepts ofMVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services Experience in working with popular web application frameworks like Play and Spark Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements Ability to write clean, readable Java code Basic knowhow of class loading mechanism in Java Experience in handling external and embedded databases Understanding basic design principles behind a scalable application Skilled at creating database schemas that characterize and support business processes Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds Implementing automated testing platforms and unit tests In-depth knowledge of code versioning tools, for instance, Git Understanding of building tools like Ant, Maven, Gradle, etc Expertise in continuous integration

Job Title: Java Developer/Junior Architect - Java Type: Permanent Role : Senior Java Development Some of the Java Developer key skills include: Proficiency in Java8 , with a good understanding of Object-Oriented Programming (OOP) Patterns and Concepts Familiarity with different design and architectural patterns Skill for writing reusable Java libraries Strong work experience using the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services, Microservice, springboot, Hibernate Sound experience in Spring Security, Spring Data, Spring MVC along with Unit Testing, Integration Testing and BDD Testing. Strong understanding of API using Restful microservices, and Swagger to develop the APIs Knowhow of Java concurrency Excellent understanding of design patterns and microservice architecture. Experience in working with Centralised logging system like Splunk Ability to write clean, readable Java code Experience in handling external and embedded databases Implementing automated testing platforms and unit tests In-depth knowledge of code versioning tools, for instance, Git Understanding of building tools like Ant, Maven, Gradle, etc Expertise in continuous integration About Virtusa Teamwork, quality of life, professional and personal development: values that Virtusa is proud to embody. When you join us, you join a team of 30,000 people globally that cares about your growth one that seeks to provide you with exciting projects, opportunities and work with state of the art technologies throughout your career with us. Great minds, great potential: it all comes together at Virtusa. We value collaboration and the team environment of our company, and seek to provide great minds with a dynamic place to nurture new ideas and foster excellence. ,

What youll do Work cross-functionally with design, product, data engineers, engineers and other key stakeholders within Payments. Hands-on Technical Leadership: Actively contribute to code, code reviews, architecture decisions, etc. Collaborate closely with engineers to design and develop scalable solutions, while also mentoring and providing technical guidance to the team. Have a multiplier effect by motivating team members and providing coaching in areas including but not limited to: engineering best practices, scalable architecture design, product roadmap discussions. Maintain an inclusive team culture focused on autonomy, ownership, collaboration, communication, and impact. Collaborate with different teams to design and implement new services with reliability/infra/data/dev in mind. Set clear individual and team goals that align with our strategic engineering ambitions in close collaboration with the product manager. Create an inspiring and collaborative team environment with an open communication/feedback culture. Recruit new team members who align with the Adyen culture and required skills. Maintain an inclusive team culture focused on autonomy, ownership, collaboration, communication, and impact. Who you are An energetic self-starter experienced in creating alignment between multiple teams. You have experience with Core Java, Distributed systems, Web services, REST APIs and SQL/PostgreSQL. You are able to define, implement and monitor performance KPIs to quickly identify opportunities for improvement in existing systems. Experienced in coaching and mentoring engineering talent. Experienced in leading technical projects in a fast paced environment. Experienced with collaborating with senior leadership to set strategic direction including product roadmaps. An excellent communicator and team player with strong management skills and technical aptitude. Must be willing to travel, both domestically and internationally when required to meet with colleagues and/or merchant teams. Someone who can clearly communicate about technical concepts to non-engineers. Minimum Qualifications: 2+ years experience in managing engineering teams within a Java environment 7+ years of experience in software development industry in a fast paced tech environment Full professional proficiency in English Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application.

7+ years of experience in Java development, with a focus on distributed systems and architecture. Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming. Experience with Spring Framework (e.g., Spring Boot, Spring Cloud), and related technologies. Strong proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Experience with Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript). Design and Development: Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Distributed Architecture Design and implement distributed system architectures that meet scalability, availability, and performance requirements. Ensure systems are fault-tolerant, highly available, and able to handle high volumes of data and traffic. Experience with cloud-based distributed systems (e.g., AWS, Azure, Google Cloud) is a plus. Technical Leadership: Lead and mentor junior developers, providing guidance and support to ensure successful project delivery. Collaborate with other senior developers to drive technical direction and strategy. Participate in code reviews, ensuring adherence to coding standards and best practices. Problem-Solving and Troubleshooting: Troubleshoot complex technical issues, identifying root causes and developing effective solutions. Analyze system performance, identifying areas for improvement and implementing optimizations. Communication and Collaboration: Communicate technical ideas and plans to both technical and non-technical stakeholders. Collaborate with QA teams to ensure thorough testing and validation of developed solutions. Design and Development Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Good Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming Good proficiency in Spring Framework (e.g., Spring Boot), microservices Good proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript) CI/CD Pipeline - GitLab, Jenkins Development and Knowledge Base:Eclipse, IntelliJ, JIRA, Confluence JMS/Kafka, workflow (camunda, etc) - nice to have

7+ years of experience in Java development, with a focus on distributed systems and architecture. Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming. Experience with Spring Framework (e.g., Spring Boot, Spring Cloud), and related technologies. Strong proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Experience with Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript). Design and Development: Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Distributed Architecture Design and implement distributed system architectures that meet scalability, availability, and performance requirements. Ensure systems are fault-tolerant, highly available, and able to handle high volumes of data and traffic. Experience with cloud-based distributed systems (e.g., AWS, Azure, Google Cloud) is a plus. Technical Leadership: Lead and mentor junior developers, providing guidance and support to ensure successful project delivery. Collaborate with other senior developers to drive technical direction and strategy. Participate in code reviews, ensuring adherence to coding standards and best practices. Problem-Solving and Troubleshooting: Troubleshoot complex technical issues, identifying root causes and developing effective solutions. Analyze system performance, identifying areas for improvement and implementing optimizations. Communication and Collaboration: Communicate technical ideas and plans to both technical and non-technical stakeholders. Collaborate with QA teams to ensure thorough testing and validation of developed solutions. Design and Development Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Good Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming Good proficiency in Spring Framework (e.g., Spring Boot), microservices Good proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript) CI/CD Pipeline - GitLab, Jenkins Development and Knowledge Base:Eclipse, IntelliJ, JIRA, Confluence JMS/Kafka, workflow (camunda, etc) - nice to haveusd

7+ years of experience in Java development, with a focus on distributed systems and architecture. Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming. Experience with Spring Framework (e.g., Spring Boot, Spring Cloud), and related technologies. Strong proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Experience with Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript). Design and Development: Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Distributed Architecture Design and implement distributed system architectures that meet scalability, availability, and performance requirements. Ensure systems are fault-tolerant, highly available, and able to handle high volumes of data and traffic. Experience with cloud-based distributed systems (e.g., AWS, Azure, Google Cloud) is a plus. Technical Leadership: Lead and mentor junior developers, providing guidance and support to ensure successful project delivery. Collaborate with other senior developers to drive technical direction and strategy. Participate in code reviews, ensuring adherence to coding standards and best practices. Problem-Solving and Troubleshooting: Troubleshoot complex technical issues, identifying root causes and developing effective solutions. Analyze system performance, identifying areas for improvement and implementing optimizations. Communication and Collaboration: Communicate technical ideas and plans to both technical and non-technical stakeholders. Collaborate with QA teams to ensure thorough testing and validation of developed solutions. Design and Development Design and develop scalable, distributed systems using Java and related technologies (e.g., Spring, JPA, Docker). Collaborate with cross-functional teams to identify and prioritize project requirements, and develop solutions that meet business needs. Write high-quality, maintainable, and efficient Java code, adhering to industry standards and best practices. Write unit and integration tests to ensure code quality and stability. Good Proficiency in Java 17 or later, including Java concurrency, lambda expressions, and functional programming Good proficiency in Spring Framework (e.g., Spring Boot), microservices Good proficiency in SQL and experience with major database systems (e.g., MySQL, PostgreSQL, MS SQL Server, Oracle, etc.). Angular 15 and related technologies (TypeScript, HTML, CSS, JavaScript) CI/CD Pipeline - GitLab, Jenkins Development and Knowledge Base:Eclipse, IntelliJ, JIRA, Confluence JMS/Kafka, workflow (camunda, etc) - nice to have

Roles and Responsibilities Expectations from candidates are to have a basic overview of programming, a passion for programming, and the ability to learn new skills. You have to be thorough with the basics of Java, C++, or any other programming language. Must have done some coding in the past and have the right aptitude to learn new and some advanced stuff. There will be an initial 1 month of Project specific training, after which, based on your performance, you will be deployed to our existing clients. This is a bootcamp training program with our industry leaders, who will assist you in your journey and help you with our existing clients or some open positions within/outside the firm. Responsibility will include attending our bootcamp training program, excelling in learning any new technology, and working with our internal trainers to get acquainted with and become proficient in the required skillset. To be able to demonstrate our skillset to our clients and work with their team. We offer a dedicated training program to selected candidates who are willing to learn industry-specific skills with our experienced instructors. Post-training, we assure candidates of their Job readiness, and after a couple of mock interviews, actual interviews will happen with our existing clients or our direct references with different MNCs. Desired Candidate Profile The candidate should be a recent graduate with a minimum of 3-4 years of industry experience. He / She should be willing to learn new technology or programming languages and have the required ardor for coding and IT skills. There will be a Coding test and post-completion of the test with good grades will take your candidature forward. So if you are not comfortable with the basics of Data Structure and Core fundamental topics, feel free to skip this position. Good communication is a must, as you need to articulate the skillset you have learned and post a successful demonstration only companies will be willing to onboard you. You need to demonstrate good learning aptitude and should learn during the initial few weeks of the training period. There will be a mock interview before the selection of the candidate and a post-entry-level entrance exam. Only new students will be enrolled. This is a paid course and will assure you a good career opportunity with higher chances of a long and successful career. Perks and Benefits The package would be based on performance during the final interview post-training period. Initially, there will be efforts from students to prepare for the Client round, and post-completion of training and deployment to the project, your package will be applicable. Interested candidates can call at +91 9667125983. Please share your profile with pawansut.chaturvedi@fiesttech.com If you have the right talent, we have the right opportunity for you.

Roles and Responsibilities Expectations from candidates are to have a basic overview of programming, a passion for programming, and the ability to learn new skills. You have to be thorough with the basics of Java, C++, or any other programming language. Must have done some coding in the past and have the right aptitude to learn new and some advanced stuff. There will be an initial 1 month of Project specific training, after which, based on your performance, you will be deployed to our existing clients. This is a bootcamp training program with our industry leaders, who will assist you in your journey and help you with our existing clients or some open positions within/outside the firm. Responsibility will include attending our bootcamp training program, excelling in learning any new technology, and working with our internal trainers to get acquainted with and become proficient in the required skillset. To be able to demonstrate our skillset to our clients and work with their team. We offer a dedicated training program to selected candidates who are willing to learn industry-specific skills with our experienced instructors. Post-training, we assure candidates of their Job readiness, and after a couple of mock interviews, actual interviews will happen with our existing clients or our direct references with different MNCs. Desired Candidate Profile The candidate should be a recent graduate with a minimum of 3-4 years of industry experience. He / She should be willing to learn new technology or programming languages and have the required ardor for coding and IT skills. There will be a Coding test and post-completion of the test with good grades will take your candidature forward. So if you are not comfortable with the basics of Data Structure and Core fundamental topics, feel free to skip this position. Good communication is a must, as you need to articulate the skillset you have learned and post a successful demonstration only companies will be willing to onboard you. You need to demonstrate good learning aptitude and should learn during the initial few weeks of the training period. There will be a mock interview before the selection of the candidate and a post-entry-level entrance exam. Only new students will be enrolled. This is a paid course and will assure you a good career opportunity with higher chances of a long and successful career. Perks and Benefits The package would be based on performance during the final interview post-training period. Initially, there will be efforts from students to prepare for the Client round, and post-completion of training and deployment to the project, your package will be applicable. Interested candidates can call at +91 7042421708 or ping me directly + 91 7042223955. Please share your profile with Renu.Sihmar@fiesttech.com or Sashi.Kiran@fiesttech.com If you have the right talent, we have the right opportunity for you.