Developer, Backend

1Password is experiencing unprecedented growth. With over $400 million in Annual Recurring Revenue (ARR), we are accelerating rapidly, proudly earning a position on the Forbes Cloud 100 for four consecutive years, and partnering with renowned brands such as Oracle Red Bull Racing and the Utah Mammoth.About 1PasswordAt 1Password, we are laying the groundwork …

YOUR ROLEWe are seeking a talented Senior Backend Developer to join our dynamic team and contribute to the evolution of our high-volume payment processing platform. In this role, you will collaborate with diverse payment gateways, optimize transaction workflows, and uphold the integrity and reliability of our systems, ensuring seamless processing for our users.ABOUT XSOLLAXsolla is a pioneering global commerce platform dedicated to addressing the unique challenges faced by developers in the video game industry. From independent studios to major AAA titles, we empower our partners with comprehensive tools and services for funding, distribution, marketing, and monetization. With a steadfast belief in the future of gaming, Xsolla is committed to connecting opportunities and continuously enhancing resources for creators. Headquartered in Los Angeles, California, we serve as the merchant of record, supporting over 1,500 game developers worldwide in expanding their reach and scaling their businesses. We're here to provide developers with the pathways to success and the tools they need to thrive in the gaming landscape.Discover more about us at xsolla.com.

Join our dynamic team at usm2 as a .NET Backend Developer! In this role, you will design and implement robust backend solutions that drive our applications forward. You will collaborate with cross-functional teams to ensure seamless integration and optimal performance of our software systems.

Job Title: Senior Backend DeveloperLocation: ONSITE Cincinnati, OHJoin our dynamic team at Hudson Manpower, where we focus on innovation and excellence in software development. We are looking for a skilled Backend Developer III to contribute to our multi-disciplinary Agile Development team and help drive our analytic initiatives.As a Backend Developer, you will design and develop robust software solutions while collaborating with both internal and external stakeholders to gather, validate, and translate requirements into effective code. You will prepare design specifications and support the complete software development lifecycle, ensuring high-quality delivery and ongoing support.

Ahrefs is seeking a talented backend developer who possesses a profound understanding of networks, distributed systems, and operating system fundamentals, along with a passion for creating simple yet efficient architectural designs. Our backend infrastructure is predominantly built using OCaml, complemented by some C++ code.In this challenging role, you will work daily with 25 petabytes of live data, utilizing OCaml and Linux.Explore more about Ahrefs OCaml

Join our dynamic team at Artech Information Systems LLC as a Java Backend Developer. In this role, you will leverage your expertise in Java development to contribute to exciting projects that shape the future of technology. You will be responsible for designing, implementing, and maintaining scalable backend solutions that support our innovative applications.

Pronto Manufacturing & Fulfillment is seeking a skilled and passionate Backend Developer to become a vital member of our expanding team. In this dynamic role, you will be instrumental in designing, building, and sustaining robust backend systems that underpin our contract manufacturing and packaging services in the dietary supplement and consumer goods sectors. Your focus will be on ensuring seamless integration, scalability, and optimal performance of our platform.This position offers an outstanding opportunity for individuals with strong backend development expertise who are excited to contribute to the success of a rapidly growing company.

About UsFreedx is an innovative cryptocurrency exchange designed to deliver a secure and user-friendly trading experience. Our team consists of seasoned professionals from the realms of cryptocurrency, finance, and technology, all united by a shared vision of advancing digital finance. At Freedx, we empower our clients to confidently manage their digital assets with efficiency and security.Our Vision:We aspire to be the most trusted cryptocurrency exchange, providing unmatched freedom and scalability to our clients. Our goal is to create a platform where users can trade and manage their assets with absolute peace of mind, prioritizing security and reliability. We are committed to continuous innovation, adapting to the dynamic needs of the crypto market, and equipping our clients with the best tools and services to reach their financial aspirations. Join us as we redefine the standards of digital asset trading, experiencing the freedom, reliability, and scalability that Freedx promises.Position OverviewWe are on the lookout for a skilled and dedicated Senior .NET Backend Developer to become an integral part of our team. You will play a key role in crafting the backend infrastructure of our state-of-the-art cryptocurrency exchange platform. Your responsibilities will include designing, developing, and optimizing our core systems to facilitate high-frequency trading, secure transaction processing, and real-time data flow. This is a remarkable opportunity to contribute at the forefront of the cryptocurrency industry, utilizing your .NET expertise to develop scalable and efficient systems that cater to the demands of a rapidly expanding, high-performance exchange.Key ResponsibilitiesDesign & Development: Spearhead the design and implementation of backend services and microservices using .NET (C#) to support trading, transaction processing, and account management in a high-availability, low-latency environment.Architecture & Optimization: Develop efficient and scalable solutions for core exchange functionalities, including order matching, wallet management, and payment gateways.API Development: Establish and maintain RESTful APIs and WebSocket services to ensure seamless data communication with frontend applications and third-party integrations.Security & Compliance: Enforce security best practices to safeguard user data and transactions while ensuring adherence to industry standards and regulatory obligations.Database Management: Collaborate with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) to guarantee data integrity and operational efficiency.

Join our dynamic team at StemXpert1 as a PHP/MySQL Backend Developer. In this role, you will be responsible for developing and maintaining robust backend systems that power our innovative applications. You will work closely with frontend developers to integrate user-facing elements with server-side logic, ensuring high performance and responsiveness to requests from the front end.

Join us at TechBiz Global, where we provide exceptional recruitment services for our esteemed clients. We are excited to announce an opening for a Backend Developer to become a valuable member of one of our client’s innovative teams. If you are eager to advance your career in a dynamic and forward-thinking environment, this role is tailored for you.As a Backend Developer, you will take charge of developing and maintaining essential data interfaces, engaging with both real-time data streams and high-volume batch processing systems. You will collaborate closely with cross-functional teams, including Business Analysts and Project Managers, to deliver robust solutions that meet the ever-evolving demands of the payments industry.

Why Valtech? We are the innovation company focused on enhancing experiences - a trusted partner to the world's leading brands. Our team enjoys numerous growth opportunities, a culture rooted in our values, international career paths, and the chance to influence the future of experiences.The OpportunityAt Valtech, you'll be immersed in an environment that promotes continuous learning, impactful contributions, and professional development. Whether you're developing cutting-edge digital solutions, challenging the status quo, or creating the next wave of customer experiences, your efforts will drive transformation across industries.We take pride in our commitment to innovation and excellence.The work we do and the innovation we drive

Aretum is seeking a Contingent Java Backend Developer to join its remote team based out of McLean, Virginia. This position centers on building backend solutions that support the company’s applications. Role overview The developer will focus on creating and maintaining backend systems using Java. The work involves supporting ongoing projects and contributing to new application features as part of a collaborative team. Work environment This role operates remotely, with a team approach that values support and open communication. Collaboration with colleagues is a key part of daily work.

Join our dynamic team at Artech Information Systems LLC as a Backend PHP Developer. In this role, you will contribute to the design and implementation of robust backend systems using PHP. You will work alongside a talented group of developers, collaborating on exciting projects that drive innovation and efficiency.

Role overview qodeworld is seeking a Senior Java Backend Developer for a full-time role based in Colorado or Pittsburgh. This position centers on leading backend development efforts, using Java, Spring Boot, microservices, and cloud platforms. The ideal candidate has a history of guiding teams and delivering scalable backend solutions. What you will do Design, build, and maintain backend services with Java, Spring Boot, and a microservices approach. Work alongside cross-functional teams to define and implement technical solutions. Develop and optimize database architecture, integrating both SQL and NoSQL databases. Collaborate with DevOps teams to enhance CI/CD pipelines and manage cloud deployments using AWS, Azure, or GCP. Troubleshoot performance issues and implement changes to improve scalability and efficiency. Requirements Minimum 10 years of hands-on experience in Java backend development. Advanced knowledge of Spring Boot, microservices, multithreading, REST APIs, and cloud technologies. Proficient with database management systems such as MySQL, PostgreSQL, MongoDB, or similar tools. Experience with containerization (Docker, Kubernetes) and CI/CD processes. Strong analytical and problem-solving skills, with proven leadership experience. Effective communication and stakeholder management abilities. Preferred skills Familiarity with Agile methodologies and DevOps practices. Experience with front-end technologies is beneficial. This role offers the opportunity to lead backend development projects at qodeworld, working with modern technologies and collaborating across teams.

Senior Java Developer About the OpportunityWe are actively seeking a Senior Java Developer to join an impactful international project.This position is 100% Spanish, offered as a contractor role, and is remote from LATAM. Position ObjectiveTo design, develop, and implement robust and scalable backend solutions in Java while ensuring quality, performance, and adherence to best practices in enterprise environments. Main ResponsibilitiesDevelop and maintain backend applications in JavaDesign and implement RESTful APIsParticipate in architecture design and technical decision-makingApply best practices (clean code, SOLID)Conduct unit and integration testingEngage in code reviews and mentorshipCollaborate with teams using agile methodologiesTroubleshoot issues in production environments

Join our dynamic team at Treehouse Strategy as a Senior Backend Developer! We are seeking a versatile individual who excels not only in development but also in software architecture. In this role, you will be responsible for making high-level software design decisions while conducting code reviews and offering technical guidance to junior developers. Your mentorship and training will play a crucial role in their professional development.This is a full-time, remote contractor position.Qualifications:Proficient in MS Stack:Experience building a SaaS workflow automation platform.Expertise in .NET web languages and frameworks including:C#, HTML5, CSS, JavaScript, Bootstrap, ORM (Entity Framework, LINQ).Familiarity with WebAPI, SignalR, and .NET Core is a plus.Database Proficiency:Strong knowledge of database systems and technologies:Postgres SQL, T-SQL, MS SQL Server.Experience with document databases like Cosmos DB is advantageous.Additional Skills:Proficient with GIT.Exhibit a strong work ethic and a positive, flexible attitude.Ability to collaborate with a remote team across four different time zones.Additional Qualifications:Experience with cloud services (Google, AWS, Azure).Mobile application development experience is a plus.Familiarity with frontend frameworks such as React is advantageous.Application Instructions:Please submit your resume, GitHub profile, and links to your projects.

jobsforhumanity is hiring a Java Backend Developer based in O'Fallon. This position centers on designing and building scalable backend systems that support the company's mission. Role overview As a Java Backend Developer, the main focus will be on developing reliable backend solutions. The work involves creating systems that can grow with demand and help deliver services to communities. What you will do Design and implement backend features using Java Contribute to building systems that scale efficiently Support projects aimed at creating positive community impact Who we’re looking for Experience working with Java in backend development Interest in building solutions that help others Motivation to work on projects with real-world impact

Join our innovative team as a Backend Developer, where you will play a crucial role in analyzing, designing, programming, debugging, and modifying software enhancements or creating new products for local, networked, or Internet-related computer programs. Your coding will impact commercial and end-user applications across various domains like materials management, financial management, HRIS, and desktop applications.As a Backend Developer, you will develop and maintain code that seamlessly interacts between the user interface (UI) and the CP Core system. Collaborating closely with the Solution Architect and UI developers, you will identify the necessary services to efficiently transfer data from the CP Core system to the UI, thereby supporting essential workflows for end users. Your expertise will be vital in ensuring smooth application functionality and user satisfaction.

Senior Java Backend Developer About the OpportunityWe are seeking a Senior Java Backend Developer to join an impactful international project. This role is 100% in Spanish, offered as a contractor position, and is fully remote from LATAM. Role ObjectiveYour mission will be to design, develop, and implement robust and scalable backend solutions in Java, ensuring quality and performance while adhering to best practices in enterprise environments. Main ResponsibilitiesDevelop and maintain backend applications using Java.Design and implement RESTful APIs.Engage in architectural design and technical decision-making.Apply best practices such as clean code and SOLID principles.Conduct unit and integration testing.Participate in code reviews and provide mentorship.Collaborate with teams following agile methodologies.Troubleshoot incidents in production environments.

Join our dynamic team as a Senior Backend .NET Developer, where you will be responsible for designing, implementing, and maintaining robust backend systems. Your expertise will play a critical role in ensuring our applications are efficient, scalable, and secure. Collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.