Title: Senior Full Stack .NET Developer Location: United States Job Description: We are seeking a highly skilled Senior Full Stack .NET Developer to join our growing engineering team. This role is ideal for a hands-on developer who thrives in a fast-paced, agile environment and enjoys solving complex technical challenges at scale. The ideal candidate is self-motivated, detail-oriented, and capable of driving projects forward with minimal supervision. You will play a key role in designing, building, and enhancing enterprise-grade tooling, reporting systems, and customer-facing applications for a leading automotive marketing technology company. This is an active development role requiring strong architectural thinking, modern development practices, and the ability to collaborate across technical and business teams. We are especially interested in engineers who embrace modern AI-assisted development workflows and continuously explore new technologies that improve software quality, delivery speed, and developer productivity. This is a full-time, salaried, remote position. Candidate must reside within the Continental U.S. Eastern or Central time zones highly preferred, but all are welcome to apply who can support 8:30AM-5:30PM (EST) hours. Key Responsibilities - Design, develop, and maintain scalable applications and services for our marketing, data processing, and consumer-facing web platforms - Build solutions supporting major automotive OEM programs and hundreds of dealership clients nationwide - Collaborate with executive leadership, product owners, business stakeholders, and engineering teams to architect and deliver innovative solutions - Research, prototype, and implement new technologies, proof-of-concepts, and platform enhancements - Influence product direction, APIs, and technical standards through practical engineering expertise - Lead projects from concept through deployment with a strong sense of ownership and accountability - Continuously identify opportunities to improve platform performance, scalability, reliability, and developer efficiency - Troubleshoot and resolve complex technical issues across distributed systems and production environments - Mentor and guide other developers through code reviews, technical discussions, and best practices - Participate in modern CI/CD and automated deployment workflows - Leverage AI-assisted development tools and workflows to improve engineering productivity, code quality, testing, and operational efficiency Qualifications & Requirements - Bachelors or Masters degree in Computer Science, Engineering, related field, or equivalent professional experience - 5+ years of professional software development experience building enterprise applications - Strong experience with full stack .NET application development - Advanced proficiency in C# and the .NET ecosystem - Experience with modern front-end development using Angular, Vue.js, or React - Strong understanding of RESTful APIs and microservices architecture - Experience with SQL Server, PostgreSQL, MySQL, and related data technologies - Familiarity with distributed caching, search, streaming, and large-scale data platforms such as Redis, Elasticsearch, Kafka, Snowflake, Cassandra, or similar technologies - Strong foundation in computer science principles including object-oriented design, data structures, algorithms, and application performance - Experience with Agile development methodologies such as Scrum or Kanban - Experience with modern engineering practices including TDD, Automated Testing, CI/CD, and code quality tooling - Experience using AI-powered development tools such as GitHub Copilot, ChatGPT, Claude, Cursor, or similar technologies to accelerate development and problem solving - Proven ability to independently drive projects to successful completion - Comfortable working in a fast-moving, collaborative development environment Preferred Qualifications - Experience with Docker and containerized applications - Proven experience in designing and deploying .NET solutions on major cloud platforms (AWS, Azure, or GCP) leveraging container orchestration (Kubernetes), serverless functions, or virtualized infrastructure - Experience building high-scale SaaS or multi-tenant applications - Automotive industry experience, a plus! - Experience with observability, monitoring, and performance optimization tools is a plus COMPENSATION Compensation commensurate on experience. Participation in company benefit offerings include medical, dental, vision, unlimited paid leave, 401(k) matching, wellness, and more. About Team Velocity Team Velocity is a full-service marketing agency serving the automotive industry, providing integrated marketing solutions to OEMs and dealerships nationwide. We leverage our proprietary Apollo technology platform to predict consumer behavior, personalize marketing campaigns, and help dealerships drive more sales and service revenue. Our team members are driven, creative, and collaborative, enjoying a unique culture where innovation and client success are paramount. Join us in revolutionizing automotive marketing and technology through powerful, data-driven insights, continuous improvement, and an unwavering commitment to reliability.

Role Description We're looking for product-minded engineers to join our diverse and driven team. We really value collaboration, making an impact, and continuous learning. Our product development team is based in Berlin, but we have folks working all over Europe, and you'll work closely with an experienced and supportive team. We are looking for a Senior Fullstack Engineer with deep expertise in React/TypeScript to join a diverse, product-minded team that values collaboration, impact, and continuous learning. - Distributed engineering team working across Europe (within +/- 1 hour of CET); topi is headquartered in Berlin. - Comfortable navigating the entire stack (both Frontend and Backend). - Architecting features from the browser to the API. - Center of gravity is the React/TypeScript frontend, UI architecture, state, performance, polish, with regular backend work in Go. - Significant voice in shaping both our technical direction and the product itself. Qualifications - At least 6+ years of professional software engineering experience in a production environment. - Deep fluency in React/TypeScript. - Experience with modern tooling (e.g., Redux Toolkit, Styled Components, Storybook). - Solid testing frameworks knowledge (Jest, Cypress, or Playwright). - Solid backend fundamentals from production work, ideally including web APIs. - Comfortable with CI/CD, automated testing, and version control. - Fluent English and ability to explain complex technical trade-offs to non-technical stakeholders. Requirements - Own the Full Lifecycle: Build, scale, and maintain modern web applications. - Bridge the Gap: Design and implement frontend architectures that integrate with clean Go APIs. - Architect for Scale: Maintain high standards for code quality and performance across the entire stack. - Collaborate Broadly: Work closely with Product and Design to turn ambiguous requirements into polished features. - Agentic Engineering Mindset: Treat AI coding agents as real collaborators and own every line that ships under your name. Benefits - Impact from Day One: Your ideas are valued, and you actively shape our direction. - Trust: Trust-based working hours, permanent contracts, flexibility for home-country working. - Flexibility: Flexible working hour arrangements to ensure a healthy work-life balance. - Team Spirit: Shared rituals connect us, with regular formats like all-hands meetings, demo sessions, quizzes, and offsites. - Personal Growth: Learn from experienced colleagues and leverage the latest technologies and methodologies.

• Diseñar, desarrollar y mantener servicios backend utilizando Node.js con TypeScript/JavaScript para aplicaciones escalables en la nube. • Trabajar en un entorno de Azure, aprovechando los servicios de Azure y siguiendo las mejores prácticas de desarrollo nativo en la nube. • Implementar y mantener pipelines de CI/CD para apoyar los flujos de trabajo automatizados de construcción, prueba y despliegue. • Colaborar con equipos de arquitectura y producto para migrar y modernizar servicios backend, incluyendo la adopción gradual de backends basados en Python. • Desarrollar y refactorizar servicios utilizando Python (nivel intermedio aceptable) como parte de la estrategia de transformación backend a largo plazo de la organización. • Asegurar que las soluciones backend sean seguras, eficientes y altamente disponibles en entornos de nube. • Integrar servicios backend con bases de datos, APIs y sistemas externos siguiendo las mejores prácticas.

• Design, Build, maintain, and scale back-end services and their support tools. • Participate in architectural definitions with a high degree of innovation and creativity. • Creating automation and tooling to make our systems more scalable and easier to deploy. • Working directly within a multidisciplinary team to help our customers and partners. • Research new tools and services to understand complex scenarios and to also propose new features. • Working in an agile environment with a DevOps approach—teams build and maintain their own software, including taking turns with being on-call.