• Design, develop, and maintain backend services and platform components in Go for our AI platform • Rapidly iterate and deliver new features supporting AI-driven products and internal tools • Build scalable, reliable backend services in Go • Design and implement APIs and integrations between services and external systems • Define and design AI solution architectures and lead their implementation together with the engineering team • Build and orchestrate AI agents and agentic workflows using LLM models and external tools • Contribute architectural ideas and propose pragmatic technical solutions • Design systems with clear failure modes and debuggability in mind • Actively participate in code reviews to maintain high engineering standards • Collaborate closely with the Product Owner to deliver features from concept to production • Stay up-to-date with the latest developments in AI and integrate emerging technologies when they provide real value • Support development of frontend applications where needed, in collaboration with the wider team

Are you a collaborative Java API Back End Developer looking to work for a mission driven global organization? About the role, we are looking for a Java API Back End collaborative software developer to be a critical component within in our agile delivery process for Software Development. About the team, this team builds evidence-based oncology pathways — structured treatment recommendations for cancer care based on the latest clinical evidence and expert consensus. They drive integration with clinical workflows, often embedded in electronic health records (EHRs) so oncologists can access guidance at the point of care Requirements. - Possess current proficiency in Java API React development - Ability to quickly pick up new languages and technologies. - Ability to work well with internal and external technology resources. - Ability to write and review portions of detailed specifications for the development of system components of moderate complexity. - Knowledge of software development methodologies (e.g., Agile, Waterfall). - Ability to write and review portions of detailed specifications for the development of system components of moderate complexity. Responsibilities - Designing, developing, and maintaining scalable web applications using Java API ipt, and React. - Building and optimizing RESTful APIs and backend services leveraging Microsoft SQL Server and IIS. - Contributing to full-stack development, ensuring high performance, responsiveness, and reliability across applications. - Writing clean, maintainable, and well-documented code following established coding standards. - Translating business requirements into functional and technical solutions - Designing, developing, and optimizing SQL queries, stored procedures, and database schemas in Microsoft SQL Server. Ensure data integrity, performance tuning, and scalability of database-driven applications. - Collaborating with product managers, QA, DevOps, and other engineering teams to deliver high-quality solutions. Work effectively with internal and external technology partners, including vendors and third-party service providers. Elsevier is a renowned global information analytics company that primarily focuses on providing scientific, technical, and medical (STM) research content, tools, and services. It is one of the largest publishers of academic journals and scholarly literature in the world. Elsevier operates in various domains, including science, technology, medicine, social sciences, and more. They publish a vast number of peer-reviewed journals covering a wide range of disciplines. These journals act as platforms for researchers and academics to share their findings and contribute to the advancement of knowledge in their respective fields. In addition to publishing, Elsevier offers a suite of digital solutions and services to support researchers, scientists, and professionals in their work. They provide online platforms like ScienceDirect, Scopus, and Mendeley, which offer access to a vast repository of scholarly articles, research papers, and other scientific content. These platforms often serve as essential resources for software developers seeking to stay updated with the latest scientific advancements. U.S. National Base Pay Range: $78,800 - $131,300. Geographic differentials may apply in some locations to better reflect local market rates. This job is eligible for an annual incentive bonus. We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy. We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights.

Are you a collaborative Java API Back End Developer looking to work for a mission driven global organization? About the role, we are looking for a Java API Back End collaborative software developer to be a critical component within in our agile delivery process for Software Development. About the team, this team builds evidence-based oncology pathways — structured treatment recommendations for cancer care based on the latest clinical evidence and expert consensus. They drive integration with clinical workflows, often embedded in electronic health records (EHRs) so oncologists can access guidance at the point of care Requirements. - Possess current proficiency in Java API React development - Ability to quickly pick up new languages and technologies. - Ability to work well with internal and external technology resources. - Ability to write and review portions of detailed specifications for the development of system components of moderate complexity. - Knowledge of software development methodologies (e.g., Agile, Waterfall). - Ability to write and review portions of detailed specifications for the development of system components of moderate complexity. Responsibilities - Designing, developing, and maintaining scalable web applications using Java API ipt, and React. - Building and optimizing RESTful APIs and backend services leveraging Microsoft SQL Server and IIS. - Contributing to full-stack development, ensuring high performance, responsiveness, and reliability across applications. - Writing clean, maintainable, and well-documented code following established coding standards. - Translating business requirements into functional and technical solutions - Designing, developing, and optimizing SQL queries, stored procedures, and database schemas in Microsoft SQL Server. Ensure data integrity, performance tuning, and scalability of database-driven applications. - Collaborating with product managers, QA, DevOps, and other engineering teams to deliver high-quality solutions. Work effectively with internal and external technology partners, including vendors and third-party service providers. Elsevier is a renowned global information analytics company that primarily focuses on providing scientific, technical, and medical (STM) research content, tools, and services. It is one of the largest publishers of academic journals and scholarly literature in the world. Elsevier operates in various domains, including science, technology, medicine, social sciences, and more. They publish a vast number of peer-reviewed journals covering a wide range of disciplines. These journals act as platforms for researchers and academics to share their findings and contribute to the advancement of knowledge in their respective fields. In addition to publishing, Elsevier offers a suite of digital solutions and services to support researchers, scientists, and professionals in their work. They provide online platforms like ScienceDirect, Scopus, and Mendeley, which offer access to a vast repository of scholarly articles, research papers, and other scientific content. These platforms often serve as essential resources for software developers seeking to stay updated with the latest scientific advancements. U.S. National Base Pay Range: $78,800 - $131,300. Geographic differentials may apply in some locations to better reflect local market rates. This job is eligible for an annual incentive bonus. We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy. We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights.

• Extend LI.FI’s API stack to include Hyperliquid ecosystem projects and feature sets • Design, build, and maintain backend services using Node.js and TypeScript • Work with MongoDB, Redis, and MySQL to support high-throughput, low-latency trading workflows • Collaborate closely with the Expansion PM and other backend engineers to improve integrations, routing, and user flows, and help evaluate new opportunities for feature expansion • Ensure robust, high-quality backend code with a strong focus on scalability, performance, and reliability for same-chain and cross-chain trading • Participate in code reviews, system design discussions, and technical documentation