Back-End Developer - HubSpot

March 7, 2026

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SmartBug Media is the most decorated HubSpot agency, recognized as a leader in crafting digital solutions that empower organizations to thrive across the entire customer lifecycle. From marketing and sales to revenue operations, customer success, and e-commerce, we combine sound strategies, cutting-edge AI, and digital innovation to deliver solutions that de-risk the future and drive sustainable growth. With a fully remote team of over 250 professionals, we excel at creating intelligent web and digital ecosystems—from corporate websites to complex web applications—seamlessly integrated with AI-powered solutions. By aligning SmartBug's expertise with our clients' unique business realities, we build scalable, innovative tools that become engines for growth, setting the course for long-term success. The Back-End Developer designs, builds, and maintains server-side systems that power custom integrations and data flows within the HubSpot ecosystem. You’ll develop scalable architectures that connect HubSpot with third-party platforms and internal systems—ensuring reliable, secure, and performant data exchange. In this role, you’ll collaborate closely with integration strategists, and marketing and CRM strategists and specialists to create automation and API solutions that enable business growth and operational efficiency. Responsibilities • System Architecture & Integration Development • Design and implement robust APIs, microservices, and backend logic to support integrations between HubSpot and other platforms. • Build secure and scalable architectures for handling high-volume data syncs. • Manage database structures, schema design, and server-side logic for data storage and retrieval. • Ensure maintainability through modular and reusable code design. • Data Management & Optimization • Develop efficient data pipelines and synchronization processes. • Troubleshoot and resolve performance bottlenecks in queries or integrations. • Implement caching, queuing, and load balancing strategies for optimized system performance. • Ensure data accuracy, consistency, and security across all systems. • Collaboration & Technical Guidance • Partner with project managers and strategists to translate business logic into technical solutions • Participate in sprint planning, code reviews, and technical documentation. • Help define backend development standards and best practices. • Quality, Security & Reliability • Implement and maintain secure authentication, authorization, and encryption practices. • Conduct code reviews, testing, and QA for backend systems. • Maintain uptime, scalability, and disaster recovery plans for critical integrations. • Stay informed on new backend frameworks, languages, and security protocols. • Continuous Improvement & Innovation • Identify opportunities to improve performance, reduce technical debt, and enhance developer workflows. • Research and implement tools that improve automation, arenaflex/CD pipelines, and code deployment. • Contribute to internal libraries or reusable integration frameworks. Required Skills & Experience • Education: Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience. • Experience: 3–5 years of back-end development experience with a focus on API design, data processing, and system integration. Experience working with marketing, CRM, or SaaS platforms (HubSpot experience required). • Leadership Experience: Led technical efforts on backend projects or mentored junior developers. Participated in architectural decision-making and process improvement. • Knowledge: Understanding of RESTful API design, authentication (OAuth 2.0, JWT), and data formats (JSON, XML). Knowledge of database management (PostgreSQL, MySQL, MongoDB). Familiarity with data sync and ETL principles. • Technical Proficiency: Strong proficiency in one or more backend languages (PHP, Node.js, Python, or Go). Experience with server frameworks (Express.js, Django, or FastAPI). Proficient in Git, arenaflex/CD, and containerization (Docker). Familiarity with AWS, Azure, or GCP for deployment. • Power Skills: Strong analytical and problem-solving mindset. Excellent communication skills and ability to work cross-functionally. Attention to detail, with commitment to code quality and performance. Self-starter who thrives in a collaborative, agile environment. Preferred Qualifications • Education: Advanced degree in Computer Science or related discipline. • Experience: 5+ years in backend system design or integration architecture. Experience with HubSpot APIs or large-scale SaaS integrations. • Leadership Experience: Guided backend teams through refactoring or modernization projects. • Knowledge: Understanding of event-driven architecture or serverless computing. Familiarity with advanced caching, message queues, or distributed systems. • Technical Proficiency: Experience with TypeScript, GraphQL, or container orchestration (Kubernetes). Exposure to monitoring tools (New Relic, Datadog). • Power Skills: Proactive communicator who translates complex technical topics clearly. Strong ownership mentality and focus on scalability and maintainability. Apply tot his job

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