Senior Fullstack Developer - JavaScript

Join SunnyData, a premier partner of Databricks, dedicated to delivering innovative solutions that empower our clients through scalable architecture, efficient data engineering pipelines, and cutting-edge machine learning and AI applications. As a Senior Fullstack Developer, you will be an integral part of a dynamic, cross-functional team, utilizing your expertise and creativity to develop sophisticated, scalable systems. Collaborate in a fast-paced environment, overcoming challenges while adhering to best engineering practices.Your Contributions Will Include:Developing outstanding products by leveraging teamwork, creativity, and a passion for solving complex problems.Promoting sustainable engineering methodologies, such as Test-Driven Development (TDD) and Continuous Integration/Continuous Deployment (CI/CD).Utilizing your solid technical foundations across a modern technology stack including Python, JavaScript/TypeScript, RESTful APIs, Angular, React, Svelte, Express, Docker, and Cloud platforms (AWS or Azure).Collaborating closely with UI/UX designers to transform innovative concepts into user-friendly and technically sound data solutions.

At SunnyData, we are dedicated to guiding our clients on their data journey, enabling them to harness the power of data for their business success. We believe that a robust foundation is essential for achieving exceptional data-driven outcomes, which include highly scalable architectures, resilient data engineering pipelines, user-friendly data consumption layers, and precise machine learning (ML) and artificial intelligence (AI) applications. As a Senior Data Engineer, you will play an essential role in this transformative journey. You will collaborate directly with internal teams and clients to design, develop, and implement data solutions that capture, analyze, transform, and leverage data to facilitate insights in AI, ML, and Business Intelligence.The Impact You Will HaveContribute to a team focused on addressing the data engineering needs of both new and existing clients.Advise clients on optimal technical decisions to meet their objectives.Manage multiple client accounts, tracking and reporting on their progress effectively.Design, build, and operationalize intricate data solutions, troubleshoot issues, implement transformations, and suggest data quality enhancements.Evaluate data sources to assess their value and recommend inclusion in analytical processes.Incorporate essential data management practices, including data governance, security, and quality.Collaborate within and across teams to support successful delivery and educate users on data products and analytics environments.Conduct data and system analysis to identify defects and resolve incidents of moderate complexity.Test data movement, transformation code, and data components rigorously.What We Look ForA minimum of 5 years of relevant experience in data engineering and data product development.Proficiency in one or more of the following technologies:Data Engineering technologies (e.g., Spark, Hadoop, Kafka)Data Science and Machine Learning technologies (e.g., pandas, scikit-learn, HPO)Data Warehousing (e.g., SQL, OLTP/OLAP/DSS)A solid grasp of the complete data analytics workflow.A proven track record demonstrating domain expertise and the ability to comprehend technical requirements effectively.

At SunnyData, we are dedicated to empowering businesses by constructing highly scalable architectures and robust data engineering pipelines. Our focus is on simplifying data consumption and developing advanced ML and AI applications that yield exceptional business results. As a Senior Machine Learning Engineer, you will spearhead intricate data projects, devise predictive models, and implement scalable machine learning solutions. Collaborating with cross-functional teams, including engineering, product, and analytics, you will extract actionable insights that influence critical business strategies.Your ImpactLead the design, development, and deployment of innovative machine learning models.Utilize large, complex datasets to derive valuable insights and construct predictive analytics pipelines.Partner with data engineers to design and enhance cloud-based data solutions.Convert business challenges into data-driven solutions using statistical modeling and machine learning methodologies.Streamline data workflows and model deployment processes leveraging cloud services and CI/CD tools.Guide junior data scientists and contribute to the establishment of best practices in model development.Effectively communicate findings and strategic insights to stakeholders and executive leadership.Desired QualificationsOver 5 years of experience in data science or machine learning roles.Expertise in Python (pandas, scikit-learn, PyTorch or TensorFlow) and SQL.Solid foundation in statistics, A/B testing, and machine learning algorithms.Proven experience in building and deploying models in production environments.Knowledge of MLOps practices and tools (e.g., MLflow, SageMaker Pipelines, Airflow).Exceptional communication and leadership abilities.Preferred QualificationsExperience with big data tools (Spark, EMR).Familiarity with containerization (Docker, ECS, EKS) and serverless architecture.EducationBachelor’s or Master’s degree in Computer Science, Statistics, Mathematics, or a related field is preferred.

Embark on an exciting journey in the dynamic world of data engineering with SunnyData!At SunnyData, we are dedicated to empowering our clients in their data-driven endeavors. We understand that a robust infrastructure is essential for achieving exceptional results through data: scalable architectures, resilient data pipelines, user-friendly data consumption layers, and precise machine learning and AI applications. As a Data Engineer, you will be instrumental in guiding our customers on this transformative path. Collaborating closely with both internal teams and clients, you will design, develop, and implement data solutions that capture, analyze, transform, and leverage data to support insights in Artificial Intelligence, Machine Learning, and Business Intelligence.Your ImpactContribute to a team focused on addressing the data engineering requirements of new and existing customers.Provide expert guidance to customers to facilitate informed technical decisions that align with their objectives.Manage and oversee multiple customer accounts, tracking and reporting on their progress.Architect, construct, and operationalize intricate data solutions, troubleshoot issues, implement transformations, and propose data cleansing and quality strategies.Evaluate data sources to ascertain their relevance and recommend integration into analytical workflows.Integrate essential data management principles, including governance, security, and quality assurance.Collaborate across teams to facilitate delivery and educate end users on data products and analytical environments.Conduct data and system analyses, addressing and rectifying moderate complexity defects and incidents as necessary.Test data movement, transformation code, and associated data components.Qualifications We SeekEnthusiastic individual with a strong desire for continuous learning. Exceptional time management and prioritization skills are essential.Proficient English communication skills, both verbal and written.Availability for either part-time (6 hours) or full-time (8 hours) positions.Experience with public cloud platforms such as AWS, Azure, or GCP is advantageous.Preferred: Familiarity with Data Engineering technologies (e.g., Spark, Hadoop, Kafka).

About SunnyData: At SunnyData, a prominent partner in Databricks technology, we are committed to enabling our clients with scalable architectures, efficient data engineering pipelines, and innovative applications in machine learning (ML) and artificial intelligence (AI). As a Solutions Architect, you will play a crucial role in ensuring customer success through both technical execution and pre-sales assistance.Your Impact:Customer Engagement: Act as a trusted advisor, helping clients navigate their data engineering and architecture needs, particularly with Databricks solutions. Your efforts will be evenly split between billable projects and pre-sales activities.Technical Leadership: Design, build, and implement data solutions that effectively capture, transform, and utilize data to bolster AI, ML, and business intelligence initiatives.Pre-Sales Support: Partner with sales teams to showcase technical solutions to potential clients, illustrating the value of SunnyData's offerings.Project Management: Oversee multiple customer accounts, ensuring timely delivery of solutions and effectively tracking progress to communicate outcomes.Solution Architecture: Develop data solutions while adhering to best practices in data governance, security, and quality assurance.Data Evaluation: Assess data sources for their potential value and recommend strategies for data inclusion to enhance analytical processes.Cross-Functional Leadership: Lead internal teams, providing guidance and mentorship to project teams, while educating end users on data products and analytic environments.Problem Solving: Conduct system analyses, identify and rectify data and system defects, and implement necessary corrections.Quality Assurance: Validate data movements, transformation code, and data components to ensure accuracy and reliability.

As a Senior Business Analyst at Sunnydata, you will play a pivotal role in driving strategic initiatives and providing critical insights to propel our business forward. Your analytical skills will be put to the test as you work with cross-functional teams to identify opportunities for improvement and develop data-driven solutions that enhance operational efficiency.

Join Our Team at BillupsAt Billups, we are pioneering a new era in Out-of-Home (OOH) media, transforming how brands engage with consumers in physical spaces. With our cutting-edge technology and a talented global team of over 400 experts across more than 20 countries, we are committed to delivering impactful and intelligent solutions that connect brands to people like never before. We foster a culture of innovation, collaboration, and independence, where every idea is backed by data and trust. If you are ready to embark on a journey of professional and personal growth, we want to hear from you!Your RoleAs a Fullstack Engineer, you will be at the forefront of our technical initiatives, designing, developing, and maintaining applications that solve complex problems. You will leverage .Net, ReactJS, SQL Server, and AWS technologies to ensure optimal application performance. Your responsibilities will include writing clean, efficient code, conducting unit and integration tests, implementing security best practices, and collaborating within cross-functional teams to define and deliver exciting new features. Your input will be valued in code reviews, and you will have ample opportunities for personal development as you tackle challenges head-on.Key Qualifications:Innovate and deliver solutions for new services and features in modern applications, drawing from experience with legacy systems.Support and maintain applications to ensure reliable operation and uptime.Demonstrate effective use of frontend and backend frameworks focusing on performance.Write and maintain thorough unit tests to ensure high-quality, bug-free code.Create and update comprehensive technical documentation as needed.What We Are Looking For:A minimum of 3 years of experience in C#/.Net backend development.3+ years of experience in web development, particularly with React and TypeScript.Familiarity with testing frameworks such as Jest, React Testing Library, and xUnit/NUnit.Solid understanding of software development best practices and design patterns.

Join our innovative team at inetum2 as a Fullstack Developer, where you'll be at the forefront of creating dynamic web applications. In this role, you'll collaborate closely with other developers and stakeholders to design, implement, and maintain both front-end and back-end solutions that enhance user experiences.Your expertise will guide the architecture of our applications, and you'll leverage the latest technologies to deliver robust, scalable, and efficient software. If you are passionate about coding and eager to contribute to exciting projects, we want to hear from you!

Join ALTEN Mexico as a Junior Java Developer and become an integral part of our team dedicated to engineering and technology solutions. You will engage in innovative projects across diverse industries, including Automotive, Energy, Aeronautics, Banking, Telecommunications, and more.In this role, you will be accountable for the development, integration, and modernization of software tools essential for validation and automation processes.The position necessitates a strong technical grasp of Java, backend architectures, integration with DLLs (JNI/JNA), validation flow automation, communication between heterogeneous tools, and connection with NI or dSPACE platforms. Additionally, you will ensure delivery quality by adhering to best development practices, testing, documentation, and traceability via GitHub and Rally.

ALTEN México es una destacada subsidiaria del Grupo ALTEN, líder en soluciones de ingeniería y tecnologías de la información con más de 30 años de experiencia. Con operaciones en 30 países alrededor del mundo, incluyendo Europa, Norteamérica, Asia, África y Medio Oriente, el grupo cuenta con un equipo de más de 46,000 profesionales, destacando que el 88% son ingenieros altamente capacitados.Estamos en búsqueda de un Desarrollador FullStack Senior con un sólido dominio en desarrollo web, capaz de ofrecer soluciones robustas tanto en el frontend como en el backend. El candidato ideal debe tener un profundo conocimiento en tecnologías modernas como AWS Lambda, JavaScript (para backend y frontend), React, Vue.js, y experiencia en la implementación de soluciones en la nube. Se espera que el postulante tenga la habilidad de liderar proyectos, trabajar dentro de un marco ágil (Scrum) y poseer experiencia con Google Analytics.Responsabilidades:Desarrollo FullStack: Crear y mantener aplicaciones web de alto rendimiento utilizando tecnologías como JavaScript (Node.js para backend), React, Vue.js y Angular para el frontend.AWS y Lambda: Desarrollar, implementar y administrar funciones serverless utilizando AWS Lambda, optimizando procesos y servicios para asegurar escalabilidad y alta disponibilidad.Integración con Google Analytics: Implementar y gestionar UTMs, eventos y configuraciones avanzadas para mejorar el seguimiento de métricas y el análisis de datos en las aplicaciones.Metodología ágil (Scrum): Participar activamente en ciclos ágiles de desarrollo, colaborando con equipos multidisciplinarios en la planificación de sprints, revisiones y retrospectivas.Desarrollo en la nube: Gestionar y optimizar soluciones cloud basadas en AWS, colaborando con arquitectos de soluciones para asegurar una infraestructura escalable, segura y eficiente.Optimización de rendimiento: Asegurar tiempos de carga rápidos, alta disponibilidad y una experiencia de usuario fluida y libre de errores.Mantenimiento y escalabilidad: Realizar tareas de mantenimiento preventivo y correctivo, así como la escalabilidad de las aplicaciones según las necesidades del negocio.Mentoría técnica: Actuar como líder técnico para otros desarrolladores del equipo, asegurando la calidad del código y promoviendo buenas prácticas de desarrollo.

ALTEN Mexico is on the lookout for a talented Senior Frontend Web Developer specializing in React. The ideal candidate will possess extensive experience in crafting modern, efficient, secure, and maintainable web applications, translating product vision into engaging and user-friendly web experiences for clients in the financial sector.Main ResponsibilitiesDevelop web applications using React, ensuring performance, security, and maintainability.Convert requirements and designs into functional interfaces that enhance user experience.Deliver software adhering to quality standards and best practices.

Hello! We are Fever, the premier technology platform transforming culture and live entertainment.Our mission is to make culture and entertainment accessible to everyone. By leveraging our innovative technology and data-driven strategies, we are changing how individuals experience live events. Every month, over 300 million people across more than 40 countries are inspired by our platform to discover unforgettable experiences, while we empower event creators with our insights and tools, enabling them to scale, innovate, and reach new audiences.Our achievements include collaborations with industry giants like Netflix, F.C. Barcelona, and Primavera Sound, and we’ve delivered internationally acclaimed experiences, backed by leading global investors! Exciting, isn’t it?To further our mission, we seek proactive individuals with a hands-on approach who are passionate about shaping the future of entertainment!Are you ready to join the experience?Let’s dive into the details of this role and how you will contribute to Fever’s mission.The engineering team is behind our user-friendly iOS and Android applications, as well as our website, which operate globally. We are tasked with creating, developing, enhancing, and maintaining all Fever services to ensure that more people enjoy amazing experiences.About the RoleYou will be a key member of the Engineering team, enhancing our applications to provide users with the best experiences available in their cities.You'll work with cutting-edge frontend technologies, collaborating with highly skilled professionals in a scalable and performance-oriented environment.Key ResponsibilitiesCreate intuitive, high-performance web experiences for multiple partners across marketing, branding, and design.Assess the technical, creative, and time-related constraints of projects, making practical compromises with stakeholders.Engage in the entire project lifecycle, from ideation to launch and handoff.Work collaboratively with a larger creative team through regular design critiques and collaborative sessions.

ALTEN México is seeking a Senior Ariba Consultant (Certified) to join our dynamic team immediately for an exciting project. The ideal candidate will possess robust experience in implementing Ariba Strategic Sourcing (Sourcing, SLP, Contracts) and Ariba Network. This role requires strong technical skills for configuration and functional validation, as well as the ability to collaborate effectively within multidisciplinary teams in fast-paced environments.Main ResponsibilitiesDevelop functional designs, workbooks, and technical documentation.Configure and validate features of Ariba Strategic Sourcing (Sourcing, SLP, Contracts) and Ariba Network.Conduct testing and provide support during production releases.Document processes and ensure quality assurance in functional deliverables.Collaborate with internal IT and business teams to ensure proper implementation of solutions.

Role overview jobgether seeks a Senior PHP Developer for its Technology & AI Labs team in Mexico. This position centers on building and refining applications that drive the company’s technology projects forward. Key responsibilities Develop and maintain scalable applications using PHP. Collaborate with team members on technical projects and feature development. Contribute to strengthening and expanding jobgether’s technology portfolio. Collaboration Work alongside a group of experienced professionals committed to delivering reliable, high-quality solutions.

Cupid Media is hiring a Senior Frontend Developer based in Mexico. This role centers on designing and building user interfaces for the company’s online dating platforms, with a focus on improving the experience for users worldwide. What you will do Design and develop interactive, visually engaging web interfaces Collaborate with colleagues from various disciplines to deliver dependable software Use modern web technologies to address product challenges and enhance usability About Cupid Media Cupid Media runs a range of online dating services, connecting people globally through its platforms.

Join ALTEN Mexico, a subsidiary of the prestigious ALTEN Group, a recognized leader in engineering and information technology with over 30 years of experience across 30 countries. We proudly employ more than 46,000 professionals, with a significant majority being engineers.We are actively seeking a talented Power BI Developer to enhance our enterprise data analytics services.Key Responsibilities:Develop enterprise-level data analytics solutions with a focus on supply chain, business, and finance.Convert legacy Power BI reports for final client delivery.Adhere to GSC INSIGHTS development guidelines for both front-end and back-end projects.Analyze, mine, transform, and model data to boost productivity, enhance decision-making, and secure a competitive edge.Conduct statistical analysis to ensure accurate predictive forecasting and classification.Oversee all aspects of data processing utilizing customized reporting functions.Maintain analytical systems, verify data accuracy, and serve as a liaison with business stakeholders.

Join ALTEN México as a Senior Java Developer and become an integral part of our specialized team focused on engineering and technology solutions. You will work on innovative projects across various industries including Automotive, Energy, Aerospace, Banking, Telecommunications, and more.In this role, you will be responsible for the development, integration, and modernization of software tools used in validation and automation processes.The position requires a strong technical proficiency in Java, backend architectures, integration with DLLs (JNI/JNA), automation of validation flows, communication between heterogeneous tools, and connection with NI or dSPACE platforms. You will also ensure the quality of deliverables by adhering to best practices in development, testing, documentation, and traceability using GitHub and Rally.

ALTEN Mexico delivers engineering services across sectors such as automotive, energy, aeronautics, banking and insurance, telecom and multimedia, and rail. As part of the ALTEN Group, the company benefits from over 30 years of experience and a network of more than 46,000 engineers worldwide. Role overview The Senior Python Developer will join the team in Naucalpan de Juárez, State of Mexico. This position centers on designing, building, and enhancing Python-based applications. Projects span multiple industries, offering the chance to collaborate with professionals from a range of backgrounds. What you will do Develop and maintain efficient, reliable Python applications. Write code that is reusable, testable, and meets industry standards. Take part in code reviews to support quality control. Work closely with product managers and stakeholders to clarify requirements and specifications. Debug and refine existing Python applications to boost performance and reliability. Keep up with new trends and technologies in Python development.

At Varicent, we are revolutionizing the Sales Performance Management (SPM) landscape by empowering organizations to achieve unparalleled revenue success. Our state-of-the-art SaaS solutions enable revenue leaders worldwide to craft innovative go-to-market strategies, enhance seller performance, and uncover hidden potential. Recognized as a trailblazer in the 2025 Forrester Wave Report for SPM, 2023 Ventana Research Revenue Performance Management (RPM) Value Index, Gartner Peer Insights, 2024 Gartner SPM Market Guide, and G2, Varicent’s solutions are trusted by industry giants including T-Mobile, ServiceNow, Wawanesa Bank, Shaw Industries, Moody's, and Stryker. Here’s why you’ll thrive at Varicent:Innovate with Purpose: Create impactful solutions for customers across the globe.Join Excellence: Collaborate within a diverse and innovative team.Shape the Future: Take the lead in redefining revenue optimization.Grow Together: Unlock your full potential in a supportive environment.Join us at Varicent, where your skills and ambitions converge with endless opportunities for success! At Varicent, we believe that exceptional individuals drive exceptional companies. As our Senior Software Developer, GenAI, you will play a pivotal role in developing and scaling production-grade AI systems that significantly enhance customer experience.