NexgenLink (formerly Astro Sirens) is seeking an experienced Senior C# / .NET Developer to design, build, and maintain scalable enterprise applications and backend services that support critical business operations. This role requires strong expertise in C# development, modern .NET frameworks, cloud technologies, and distributed systems. The ideal candidate will work closely with product, engineering, and cross-functional stakeholders to deliver secure, high-quality, and maintainable software solutions in a fast-paced environment. This position is well suited for a hands-on engineer who is comfortable developing robust microservices, building scalable APIs, optimizing system performance, and contributing to architecture and technical design decisions. The successful candidate will bring strong problem-solving skills, sound engineering judgment, and the ability to collaborate effectively with both technical and non-technical teams while working remotely within U.S. time zones.

Volkswagen Group Services is excited to present a fantastic opportunity to join our Volkswagen Digital:Hub in Spain. As part of the global Software Development Centre network in the Volkswagen Group, we constantly seek talented individuals ready to bring their unique skills to our projects. Our start-up environment is collaborative, innovative, and open to new ideas. We strive to cultivate a work culture that encourages individual growth, team empowerment, and project excellence. We value respect, teamwork, and the common purpose that binds us as a group. If you're ready to thrive in a dynamic start-up environment and be part of our family, supported by one of the largest companies in the world, we invite you to read further. About the Team and the Hub: - Our culture is centered around fostering individual growth and team empowerment within a flexible and supportive environment. - We prioritize respect, teamwork, and inclusivity, recognizing and valuing the unique contributions of each member. - We embrace a work-life balance philosophy and encourage continuous personal and professional development. Key responsibilities: - You will work on a day-to-day basis with our design, backend and testing team to build a Work on a day to day basis with backend, QA, DevOps, and product teams to build a scalable and maintainable cloud based product. - Design, develop, and maintain Java backend services and RESTful APIs using frameworks such as Spring Boot. - Integrate applications with AWS services (e.g., S3, RDS/DynamoDB, SQS/SNS, Lambda, ECS/EKS). - Contribute to the deployment pipeline using GitHub, including pull requests, code reviews, and GitHub Actions for CI/CD. - Write clean, testable, and well documented code following team standards and best practices. - Implement and maintain unit and integration tests to ensure code quality and reliability. - Monitor, troubleshoot, and resolve application issues using logs and metrics (e.g., CloudWatch). - Participate in code reviews and actively contribute to improving coding standards, performance, and security. - Analyze and implement new features and system improvements. - Document technical solutions, workflows, and operational procedures. Requirements: - Bachelor's degree in Computer Science, Information Technology, or a related field. - Professional experience developing applications in Java (Junior to Mid level). - Basic knowledge of cloud environments, preferably AWS. - Understanding of RESTful APIs, relational and/or NoSQL databases. - Experience with Git and collaborative development via pull requests. - Strong problem solving skills and attention to detail. - Ability to work collaboratively within a team and communicate effectively. - Motivation and willingness to learn new tools, technologies, and methodologies. What we offer: - Fully remote work capability, with an option to work from our office when needed. - Access to professional development tools and free language courses. - Flexible working hours to accommodate personal and professional needs. - A competitive holiday package and access to a variety of employee discounts. Join us at Volkswagen Digital:Hub to advance your career in a role where your administrative skills will directly contribute to the success and smooth operation of our innovative projects. For more information on our data processing activities and your rights as a data subject, please consult our privacy policy. Ref: Level C

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We’re not waiting for the future to arrive. We’re shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the future together. The Crown Is Yours As a Lead Backend Engineer, you'll lead the charge in building scalable systems that power real-time experiences for millions of customers. You'll architect robust solutions, write high-performance code, and guide a team committed to technical excellence. Working across disciplines, you'll align engineering execution with business strategy and elevate our enterprise platform. This is a rare opportunity to lead with impact, shape product direction, mentor talent, and drive innovation at scale. What You'll Do - Architect, develop, and maintain scalable and secure systems and APIs that power high-impact applications used by millions of users in a real-time, always-on environment. - Take ownership of the full development lifecycle from shaping the architecture of new features to breaking down workstreams and guiding implementation. - Lead by example, writing high-performance, well-tested code that meets our rigorous standards for reliability and scalability. - Set and enforce best practices around code quality, design patterns, testing, and system performance. - Triage, debug, and resolve complex issues in production environments, driving a culture of accountability and operational excellence. - Collaborate cross-functionally with Product, Design, and Engineering teams to align technical solutions with strategic business goals. - Act as a technical mentor and coach, providing guidance and feedback that helps engineers grow and deliver their best work. - Play a critical role in shaping the team’s roadmap and technical direction while fostering a strong engineering culture grounded in ownership and continuous learning. What You'll Bring - Bachelor's degree in Computer Science or any suitable combination of education, experience, and training. - At least 5 years of experience in object-oriented backend development using languages such as C#, with advanced expertise in OOP principles, design patterns, and backend architecture. - Proven ability to architect, build, and scale distributed systems in Cloud environments such as AWS or Google Cloud Platform (GCP). - Deep experience developing and maintaining comprehensive automated test suites, including unit, integration, and performance tests, to ensure system resilience and scalability. - A strong track record of mentoring engineers, leading code and design reviews, and driving high-impact technical decisions across cross-functional teams. - A proactive mindset with a focus on continuous improvement, code quality, and driving engineering best practices across teams. #LI-TK1 #LI-REMOTE Join Our Team We’re a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. As a regulated gaming company, you may be required to obtain a gaming license issued by the appropriate state agency as a condition of employment. Don’t worry, we’ll guide you through the process if this is relevant to your role.

We are knowmad mood! Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento. Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de adaptación a las necesidades de nuestros clientes y del mercado, a la vez que proporciona valor, visión, creatividad, expertise, profesionalidad y pasión por la tecnología en cada proyecto. Los valores que marcan nuestro rumbo y nos guían hacia la excelencia son la colaboración, la innovación, el compromiso, la diversión y la confianza. ¿Qué es lo que valoramos? Valoramos perfiles con sólida experiencia en desarrollo Frontend y testing avanzado, especialmente en: - JavaScript (ES5/ES6), HTML y CSS - Testing completo: unitario, componentes, integración, E2E, visual y accesibilidad - Contract testing - Frameworks frontend (Angular, React, Vue, Polymer o Lit) - Arquitecturas frontend y microfrontends - Herramientas CI/CD: Yarn, NPM, Bower - Control de versiones (Git) - Build tools: Webpack, Rollup y CLI basadas en Node - JSON, REST y Web Services - TDD y enfoque a calidad - TypeScript - Integración con backend (Java + Spring) - Docker y exposición segura de servicios - Azure DevOps - Nivel alto de inglés ¿Cuáles serían tus funciones? - Diseñar y ejecutar estrategias de testing: unitario, integración, E2E, visual, accesibilidad y contract testing. - Desarrollar y mantener componentes y funcionalidades frontend utilizando JavaScript moderno y frameworks avanzados. - Construir y optimizar pipelines de CI/CD con herramientas como Yarn, NPM o Azure DevOps. - Aplicar patrones y arquitecturas frontend, incluyendo microfrontends. - Colaborar con equipos de desarrollo, QA y arquitectura para garantizar soluciones robustas, escalables y mantenibles. - Trabajar con Docker y Java/Spring para integraciones y servicios necesarios en el ciclo de desarrollo. - Aplicar TDD y buenas prácticas de calidad, asegurando entregables fiables desde el primer día. Y con nosotros podrás disfrutar de: ✅Contrato Indefinido ✅ 100% REMOTO ✅Formación interna y acceso a certificaciones ♻Consulta nuestro calendario aquí: https://www.knowmadmood.com/es/talento/formacion ✅Plan de retribución flexible (seguro médico, transporte, tickets guardería, tickets restaurante) ✅Embajador de nuestra marca, a través de nuestro plan amigo ¡Recomienda a tus amigos y llévate un extra! ✅¡Eventos, meetups, techdays, charlas...y mucho más! ✅ 26 días de descanso (22 días vacaciones, 2 días de libre disposición y 24 y 31 diciembre festivos por defecto) ✅ Horario: 8.30 a 18h ( flexible) L-J y V 8 a 15h e Intensiva de Verano Julio y Agosto de 8 a 15h En knowmad mood nos comprometemos con la igualdad de oportunidades y el respeto a la diversidad. Aplicamos nuestro Plan de Igualdad y el principio de no discriminación en todos nuestros procesos de selección. Para estar al corriente de nuestras novedades síguenos aquí -> knowmad mood