Senior Java Backend Developer

🚀 Senior Java Developer🌎 About the OpportunityWe are seeking a Senior Java Developer to join an impactful international project. This position is 100% in Spanish, offered as a contractor role and is fully remote from LATAM.🎯 Role ObjectiveTo design, develop, and implement robust and scalable backend solutions in Java, ensuring quality, performance, and ad…

joinready seeks a Java Backend Developer to join its remote technical team. This position focuses on building backend systems and providing technical support to colleagues. Candidates should be comfortable with hands-on coding and have a solid understanding of backend development principles. What you will do Design and implement backend services using Spring Boot. Handle service discovery and configuration management with Eureka and Config Server. Develop solutions in environments that use OpenShift and Kubernetes (OSE). Apply design patterns like Circuit Breaker and Bulkhead to strengthen system resilience. Write and maintain unit tests with Mockito. Incorporate design patterns and hexagonal architecture into daily work. Assist team members in solving technical challenges. Contribute insights from previous team leadership experience. Requirements Experience with Java backend development and Spring Boot. Familiarity with Eureka, Config Server, OpenShift, and Kubernetes (OSE). Knowledge of design patterns, especially Circuit Breaker and Bulkhead. Ability to write unit tests using Mockito. Understanding of hexagonal architecture. Strong problem-solving skills and a collaborative approach. Background in team leadership is valued.

Senior Java Backend Developer (DB2 / Oracle) | Remote LATAM | USD About the OpportunityWe are seeking a Senior Java Backend Developer with a strong focus on database systems (DB2 and Oracle) for a high-demand international project.This position is 100% in Spanish, contractor-based, and fully remote from LATAM. Role ObjectiveTo develop and optimize backend solutions in Java, emphasizing enterprise databases while ensuring performance, data integrity, and scalability. Main ResponsibilitiesDevelop backend applications in Java integrated with DB2 and Oracle.Design and optimize complex SQL queries.Implement database logic (procedures, functions, triggers).Analyze and enhance query performance.Participate in data-oriented architecture design.Ensure data integrity and efficiency.Collaborate with multidisciplinary technical teams.

Senior Java Backend Developer (DB2 / Oracle) | Remote LATAM | USD About the OpportunityWe are seeking a highly skilled Senior Java Developer with a strong focus on database technologies (DB2 and Oracle) for a demanding international project.This position is 100% in Spanish, contract-based, and fully remote from LATAM. Role ObjectiveTo develop and optimize backend solutions in Java, emphasizing enterprise database performance, integrity, and scalability. Main ResponsibilitiesDevelop backend applications in Java integrated with DB2 and OracleDesign and optimize complex SQL queriesImplement database logic (procedures, functions, triggers)Analyze and enhance query performanceParticipate in data-oriented architecture designEnsure data integrity and efficiencyCollaborate with multidisciplinary technical teams

Senior Java Backend Developer (DB2 / Oracle) | Remote LATAM | USD About the OpportunityWe are on the lookout for a Senior Java Backend Developer with a strong focus on databases (DB2 and Oracle) for a high-demand international project.This role is 100% in Spanish, contractor modality, and fully remote from LATAM. Role ObjectiveTo develop and optimize backend solutions in Java, emphasizing enterprise database performance, integrity, and scalability. Main ResponsibilitiesDevelop backend applications in Java integrated with DB2 and OracleDesign and optimize complex SQL queriesImplement database logic (procedures, functions, triggers)Analyze and enhance query performanceParticipate in data-oriented architecture designEnsure data integrity and efficiencyCollaborate with multidisciplinary technical teams

Join Binance, the foremost global blockchain ecosystem and the world’s largest cryptocurrency exchange, serving over 300 million users across 100+ countries. Renowned for our exceptional security, transparency in user funds, rapid trading engine, and extensive digital asset offerings, we are at the forefront of building an inclusive financial ecosystem. Our diverse services span trading, finance, education, research, payments, institutional solutions, and Web3 innovations, all aimed at advancing financial freedom and access worldwide.We are on the lookout for a talented Backend Java Engineer to join our Global Payment Card, Fiat team. This role is ideal for a seasoned professional with around 5 years of experience in backend development, specifically with Java technologies. You will be instrumental in architecting and developing robust, scalable, and secure payment solutions. If you possess a solid foundation in payment systems or fintech and are passionate about Web3 and AI technologies, this is a remarkable opportunity to be part of our innovative global payment initiatives.

About the RoleWe are seeking an experienced and motivated Senior Backend Engineer (generalist) with a robust background in Java and preferably Kotlin to join our dynamic team. In this remote position, you will play a pivotal role in developing our product from the ground up. Your responsibilities will include integrating with enterprise systems, scraping and analyzing large datasets, and creating systems that empower users to utilize LLMs for generating scalable sales insights—extracting critical information from millions of public documents.You could be the ideal candidate if you: Are an accomplished developer with experience in Enterprise B2B SaaS or Big Data processing within the JVM ecosystem, with Kotlin as a plus.Have a history of impactful engineering experience in a startup or smaller organization.Are enthusiastic about engaging in all aspects of backend development and have experience collaborating within small teams in fast-paced startup environments.Possess familiarity with the following technologies: Kotlin (Backend)Google Cloud Platform (GCP)Google Cloud SQL for PostgreSQLFirebasePythonHave experience with any of the following (not mandatory):Natural Language GenerationEnterprise API integrationsPrompt EngineeringLarge Scale Web Scraping & ParsingAre proficient in both written and spoken English.Our Work CultureCustomer-Centric Approach - We pride ourselves on putting customers at the heart of everything we do.Rapid Execution - We operate with a sense of urgency and decisiveness, always striving to gain momentum.Joy in the Journey - We intentionally create an environment that is both energizing and enjoyable, fostering camaraderie and resilience within our teams.Hands-On Engagement - We believe that the best ideas emerge from close engagement with our work, embracing challenges and complexities.

Join Binance, the premier global blockchain ecosystem that powers the world’s largest cryptocurrency exchange by trading volume and user base. With a trusted community of over 300 million users across more than 100 countries, we pride ourselves on our industry-leading security measures, transparency in user funds, rapid trading engine performance, and extensive liquidity. Our diverse range of offerings spans trading, finance, education, research, payments, institutional services, Web3 features, and beyond. At Binance, we harness the transformative potential of digital assets and blockchain technology to create an inclusive financial ecosystem that enhances monetary freedom and improves global financial accessibility.Become a key member of the Exchange Service team at Binance, where we strive to deliver an exceptional trading experience to over 250 million users worldwide. As a Senior Java Developer, you will play a vital role in developing and maintaining our core trading platform, ensuring its operational efficiency and reliability. Your contributions will help reinforce Binance’s position as the top choice for cryptocurrency enthusiasts globally.

We are seeking talented Mid/Senior Java Developers to join our client's team on a full-time basis. The ideal candidates should be able to start as soon as possible. Project Overview: Government project The system is being developed from scratch and is currently in the mid-implementation phase The most intensive phase is expected to last until May, with the project planned to continue at least until August, with potential for extension. Technologies Used: Java (Spring Framework) Camunda Angular Kafka Keycloak Docker, Kubernetes, OpenShift eUI ECL Solution Logic (Brief Overview): Processes are orchestrated via Camunda Tasks are assigned to employees through API Utilizes JSON, Form.js, and Angular (eUI components) Business logic is implemented through both Camunda workers (Java) and portal modules The system consists of: an internal employee portal a citizen self-service portal Integrations: document management system, VIISP, Entra ID, with additional integrations planned. Conditions: Hourly rate between €40 - €55 Fully remote or hybrid work options available. • • Start date – ASAP

Discover the Original Bitcoin ExchangeAt Bitfinex, we share the vision of Bitcoin—financial freedom for everyone. We are dedicated to empowering individuals to transact and connect effortlessly on a global scale. From the inception of the Bitcoin revolution, our mission has been to promote freedom through innovative, reliable, and accessible technology, ensuring that everyone has the tools to engage in a truly open and borderless market.Our relentless pursuit of innovation drives us to prioritize education and deliver a cutting-edge platform that enables users to confidently buy, hold, and trade digital assets. As the digital asset landscape evolves, we remain at the forefront, offering advanced trading services that empower both individual users and global liquidity providers. Our agile and forward-thinking approach ensures that financial freedom is not just a concept but a reality for all.Our team is made up of visionary individuals with practical expertise, who are focused on developing solutions to the most pressing market challenges. Despite our significant global presence, we maintain a small, tech-driven core that nurtures a culture of collaboration and innovation.We value integrity and autonomy, allowing our team members to contribute from concept to launch. Our commitment to lifelong learning and advancing freedom means we prioritize high-quality products and services, drawing on the diverse skills of our teams.Why Join Us?Innovation At Bitfinex, we combine technology and talent to create an environment where your contributions are not just valued—they shape the future of finance. Our culture encourages bold creativity, a passion for technology, and a strong belief in financial freedom.Flexibility & Global Reach We trust our team to deliver results. Working remotely, you’ll collaborate with some of the brightest talents from around the world, thriving in an environment of innovation and autonomy.Fast-Paced & Impactful Our projects move rapidly, breaking new ground and making a significant impact much like the crypto industry itself. Your work will reach a global audience, influencing the future of decentralization.A Collaborative Team We blend seasoned experts with fresh creative minds, fostering a culture of collaboration that empowers everyone to contribute to our shared goals.

About RemoteRemote is tackling one of the most pressing challenges for modern organizations – navigating global employment compliance effortlessly. We empower businesses of all sizes to hire, compensate, and manage global teams seamlessly. Guided by our core values and a forward-thinking work culture, our team is dedicated to solving ambitious problems asynchronously from around the globe. You can find Remoters working from six continents (Antarctica is the final frontier!), and all of our job openings are fully remote.Innovation is at the heart of our values, and we have integrated Automation and AI capabilities into the requirements for every role.We invite every member of the Remote team to contribute their unique talents, experiences, and cultures to help us create a best-in-class HR platform. If you are dynamic, inquisitive, driven, and ambitious, we encourage you to join us and shape the future of work! Apply today!The RoleYou will be part of a diverse team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This position is available for multiple teams, and we will determine the exact team you will join during the interview process based on business requirements and your preferences.Regardless of the specific team, you will be responsible for developing tools, APIs, and integrations for one of our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. We utilize React and Next.js for our frontend development. GitLab serves as our version control and CI/CD tool, while our applications are hosted on AWS. We rely on continuous integration for our deployments, allowing multiple deployments each day. You can explore our Engineering Rulebook for further insights.What You Can Expect from This RoleEngaging and meaningful challenges that empower individuals and businesses to operate globally.An opportunity to significantly influence our business as we are still early in our journey, meaning your contributions will have a lasting impact as the company grows.A great deal of flexibility in your work environment.

Join Binance, the world's leading blockchain ecosystem and largest cryptocurrency exchange by trading volume and registered users. We empower over 300 million users across more than 100 countries with our commitment to security, transparency in user funds, rapid trading engine performance, deep liquidity, and a comprehensive array of digital asset products. Our offerings span trading, finance, education, research, payments, institutional services, Web3 functionalities, and more, as we harness the potential of digital assets and blockchain technology to create an inclusive financial ecosystem that enhances the freedom of money and broadens financial access globally.We are seeking a Senior Software Engineer with 5-7 years of robust experience in Spring Boot development to architect, build, and sustain high-performance, resilient distributed systems. The ideal candidate will possess a strong foundation in Java programming, demonstrate familiarity with microservices architecture, and thrive in a dynamic and fast-paced work environment. If you are passionate about cutting-edge technology and eager to make an impact in the financial sector, we would love to hear from you!

Join Checkly as a Senior Backend Engineer and become an integral part of our innovative team. We are looking for an individual who is passionate about crafting scalable and efficient backend systems. This role offers the flexibility of remote work, allowing you to collaborate with talented professionals across different time zones (UTC-3 to UTC+3).As a Senior Backend Engineer, you will design, implement, and maintain robust backend services that power our platforms. You will work closely with other engineers, product managers, and designers to deliver high-quality software solutions.

About Judi HealthJudi Health is a pioneering enterprise health technology company dedicated to reshaping the healthcare landscape. We provide an extensive range of solutions for employers and health plans, including:Capital Rx, a public benefit corporation that delivers comprehensive pharmacy benefit management (PBM) solutions to self-insured employers,Judi Health™, offering all-inclusive health benefit management solutions to employers, TPAs, and health plans, andJudi®, the leading proprietary Enterprise Health Platform (EHP), consolidating all claim administration-related workflows into one secure, scalable platform.We are committed to collaborating with our clients to rebuild trust in healthcare across the U.S. and to establishing the necessary infrastructure for the care we deserve. To learn more, visit www.judi.health.Location: Remote (for non-local candidates) or Hybrid (if located in the NYC area)Position SummaryJoin our mission to transform the healthcare system in the U.S. as a Senior Backend Software Developer. In this pivotal role, you will lead projects from conception to completion, working closely with product managers and designers to define requirements during the discovery and planning stages. Collaborate with fellow developers to deliver these requirements on schedule as new features or enhancements to existing functionalities.

About Us: At RelayProtocol, we are a pioneering Series A startup in the crypto space, dedicated to crafting innovative developer tools that facilitate token trading. Our vision is to empower developers in creating next-generation crypto applications by simplifying token integration and enhancing crypto commerce. We proudly support a myriad of crypto enterprises, including industry leaders like Magic Eden and Coinbase, across diverse sectors such as gaming, social interaction, and payments. Our team comprises deeply technical experts proficient in blockchain indexing, protocol design, and cross-chain interoperability. We are on the lookout for a driven Senior Backend Engineer to join our close-knit yet expanding team.Role Overview: We invite a highly skilled and seasoned Senior Backend Engineer with a robust foundation in crypto and/or financial technologies to elevate our team. In this pivotal role, you will be responsible for the design, development, and maintenance of the backend infrastructure for our cross-chain relayer product, ensuring its reliability and performance.Key Responsibilities:Backend Development: Architect, implement, and sustain highly scalable and resilient backend systems tailored for our cross-chain relayer. Optimize performance and responsiveness for large-scale data processing.Crypto Integrations: Engineer and uphold seamless integrations with various blockchain networks and crypto protocols, enhancing our platform's interoperability.

About RemoteRemote is at the forefront of addressing one of the most significant challenges faced by modern organizations: managing global employment compliantly and efficiently. We empower businesses of all sizes to hire, compensate, and oversee international teams seamlessly. Driven by our core values and a forward-thinking work culture, our dedicated team tackles ambitious challenges asynchronously from various locations worldwide. Our team members span across six continents (with Antarctica yet to join!), and all our roles are completely remote.With innovation as one of our foundational values, we have integrated automation and AI capabilities into every role’s requirements.We invite every member of the Remote team to contribute their unique talents, experiences, and cultures to help us create a best-in-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, join us and help shape the future of work! Apply now!The PositionYou will become a part of a collaborative team of engineers specializing in Frontend, Backend, SRE, and QA. We are structured into cross-functional development teams dedicated to specific areas.This position is available across several teams, and we will identify the exact team you will join during the interview process, considering both business needs and your preferences.Regardless of the team, your focus will be on developing tools, APIs, and integrations for one of our products.Our backend utilizes Elixir and Phoenix, alongside a Postgres database. For our front end, we employ React and Next.js. We use GitLab for version control and CI/CD solutions. Our applications are hosted on AWS, and we rely completely on our CI for deployments, executing multiple deployments daily. For more details, refer to our Engineering Rulebook.What We OfferEngaging and meaningful challenges that enable individuals and businesses to operate globally.The chance to make a substantial impact as we are still in the early stages of our journey; every change you implement today will be magnified by the company's growth.A plethora of freedom and flexibility in your work, promoting a healthy work-life balance.

About UsAt Secturelabs, we are a dynamic team of over 40 technology professionals dedicated to delivering high-quality software, products, and services to our clients. If you're searching for a project or team that prioritizes software quality and best practices, combined with a fantastic work environment where you can learn, have fun, and collaborate closely with your colleagues, then this is the perfect opportunity for you! You can learn more about us at www.Secture.com.Our Team and CultureOur members come from diverse technological backgrounds, making us comfortable working with agile methodologies and flexible workflows. We work remotely from various locations, while actively promoting our culture through daily stand-ups (complete with “ruinas”), random coffee meet-ups, discussions, training sessions, in-person events, and let’s not even get started on our Discord channels...At Secture, we prioritize our team’s well-being, environment, and culture, and we seek individuals who share our commitment to these values.ResponsibilitiesFirst Month | OnboardingWe’ll sit down with you to explain our business model, introduce you to the team, demonstrate our workflow, the tools we use, and provide you with everything you need during your initial days with us. Our technology team will guide you through our stack, and you’ll get to know all team members and the essential context needed for your project and work environment.You may join us mid-sprint. We start every day with a relaxed daily meeting at 10 AM, where we briefly discuss our individual progress, followed by each team holding their own daily meetings.During this first month, both your development colleagues and our project managers will support you with everything you need for your assigned project. We primarily communicate through Discord, document in Drive and Notion, and use video calls for meetings. Depending on the project, we also work with Monday, Trello, and Jira.Following MonthsAs you become familiar with the project, team, and stack, you'll be able to assist in estimating tasks and developments that help prioritize the project backlog. Some sprints will involve work aimed at performance improvements, refactoring, eliminating legacy code, avoiding bottlenecks, and enhancing future scalability. We actively encourage team members to share their ideas and proposals without fear.

About RemoteRemote is addressing the most pressing challenge for modern organizations—managing global employment compliantly and effortlessly. We empower businesses of all sizes to hire, compensate, and oversee international teams seamlessly. With a focus on innovation and a forward-thinking culture, our dedicated team tackles ambitious problems asynchronously, spanning six continents (we're just missing Antarctica!). All of our roles are fully remote.Innovation is one of our core values, and we have integrated automation and AI capabilities into every role.We invite every member of the Remote team to contribute their skills, experiences, and cultures to help us develop a world-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, we encourage you to apply and help shape the future of work!The PositionYou will join a collaborative team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams dedicated to specific verticals.This position is open across various teams, and we will determine the specific team you will join during the interview process based on business needs and your preferences.Regardless of the specific team, you will focus on developing tools, APIs, and integrations for one of our products.Our backend utilizes Elixir and Phoenix, with a Postgres database. We employ React and Next.js for our frontend development. GitLab serves as our version control and CI/CD solution. Our applications are hosted on AWS, and we rely entirely on CI for deployments, deploying multiple times daily. Check out our Engineering Rulebook for more details.What This Role Offers YouEngaging and meaningful challenges—solving these will enable individuals and businesses to operate in any country worldwide.The chance to create a significant impact within the company—as we are still early in our journey, every change you implement today will have a multiplier effect as the company grows.Numerous opportunities for personal and professional growth.

About the RoleAs the Team Lead for our software development team, you will be instrumental in shaping the architecture, development, and delivery of top-tier software solutions. You will guide a talented group of developers, fostering collaboration, driving technical innovation, and ensuring robust delivery outcomes. Your role will blend hands-on coding with team leadership, empowering the team to excel in a dynamic environment.Our Tech StackLanguage: Java 17Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring CloudArchitecture: Microservices, REST API, Message QueuesDatabase: MySQL, MyBatis, MongoDBCaching: Redis (AWS ElastiCache), ElasticSearchMessage Queue: RocketMQCloud: Kubernetes, AWSMonitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTracingCI/CD: Jenkins, ArgoCDKey ResponsibilitiesLead and mentor a skilled development team across Europe, cultivating a culture of high-performance collaboration.Provide technical guidance and uphold best practices in software development, code quality, and system architecture.Engage in high-level architectural and design discussions for complex software systems.Oversee the entire development lifecycle from requirements gathering to deployment, guaranteeing timely delivery of high-quality solutions.Conduct regular code reviews, offering constructive feedback to enhance team skills and productivity.Manage team performance and support career development initiatives.Promote continuous improvement within development processes, tools, and techniques.Qualifications8+ years of software development experience, particularly in backend technologies (e.g., Java, Node.js, Python, Go, etc.).2+ years in a leadership capacity, with experience in mentoring, performance evaluations, and task allocation.Strong background in software architecture and designing scalable, reliable systems.Proven hands-on experience in backend development, with an emphasis on APIs and microservices.Exceptional communication skills in English, with the ability to manage and collaborate effectively within a diverse remote team.A passion for technology and innovation, coupled with a desire to tackle complex technical challenges.

About RemoteAt Remote, we are addressing one of the most pressing challenges faced by modern organizations: managing global employment in a compliant and effortless manner. Our platform empowers businesses of all sizes to hire, pay, and oversee international teams seamlessly. Driven by our core values and a forward-thinking culture, our dedicated team tackles ambitious challenges from all corners of the globe, with team members across six continents (Antarctica is the last frontier!). As a fully remote company, we embrace flexibility and innovation, integrating Automation and AI capabilities into every position.We invite every member of our team to contribute their unique talents, experiences, and cultures to help us build a world-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, we want you to join us in shaping the future of work!The PositionAs a Senior Backend Engineer, you will collaborate with a diverse team of engineers specializing in Frontend, Backend, SRE, and QA. Our teams are organized into cross-functional units dedicated to specific verticals, allowing for impactful contributions across the organization.This role is open across several teams, and we will identify the best fit for you during the interview process based on business needs and your personal preferences.You will be instrumental in developing tools, APIs, and integrations for one of our innovative products.Our tech stack includes Elixir and Phoenix for the backend, with a Postgres database. We utilize React and Next.js on the frontend, while GitLab serves as our version control system, issue tracker, and CI/CD solution. Our applications are hosted on AWS, and we leverage continuous integration for deployments, enabling multiple daily updates.What We OfferEngaging and meaningful challenges that empower individuals and businesses to thrive globally.A chance to make a significant impact within a growing company where your contributions will resonate for years to come.