Careers

Role overview

Job Description

As an Integration Developer at MO Agency, you’ll architect and build seamless integrations between HubSpot and a wide range of external platforms, including SAP, NetSuite, Twilio, WhatsApp, and SQL-based data warehouses hosted in AWS, Azure, or Google Cloud. Your work will underpin the entire sales and marketing workflow, enabling real-time CRM visibility, accurate reporting, and operational efficiency across our clients' systems.

This role blends systems thinking with solid back-end development and a practical approach to data integrity, security, and long-term maintainability. You’ll work closely with solution architects, project managers, and technical leads to scope, build, and refine high-impact solutions for mid- and enterprise-level clients.

Responsibilities & duties

Design, build, and maintain API-based integrations between HubSpot CRM, ERP/accounting systems (SAP, Sage, NetSuite, Keap, etc.) and communications platforms like Twilio.
Develop scalable server-side logic to manage data syncs, transformations, retries, and error handling
Set up and manage connections to cloud data warehouses (AWS RDS, Azure SQL, BigQuery)
Collaborate with strategy and ops teams to translate business processes into integration workflows
Maintain and document integration architecture, endpoint logic, and authentication flows (OAuth2, API keys, etc.)
Implement secure data handling practices across all sync layers
Monitor, log, and troubleshoot performance issues or integration failures
Work with GitHub for version control and collaborate on code reviews where appropriate
Identify opportunities for automation, simplification, or platform enhancements

Qualifications & skills

3–5+ years in backend development and systems integration
Strong understanding of REST and SOAP APIs, and common auth flows (OAuth2, API tokens)
Experience integrating with ERP, accounting, or marketing automation platforms
Solid coding skills in one or more of: Node.js, Python, PHP
Experience with integration iPaaS platforms like Tray, N8N, Zapier, Make, Workato, or building custom middleware
Experience with cloud infrastructure and data platforms: AWS, Azure, GCP, SQL, BigQuery
Familiarity with Git/GitHub workflows and collaborative development practices
Understanding of data structures, normalisation, and sync architecture
Build and deploy lightweight serverless functions to support integrations and automation flows
Strong communication skills—you’ll explain technical flows clearly to project managers and clients

Why Join MO Agency?

Vibrant Culture: Engage in a lively and collaborative environment that fosters creativity and innovation.
Competitive Remuneration: Enjoy attractive compensation packages that recognize your expertise and contributions.
Growth Opportunities: Participate in exciting projects that offer professional development and career advancement.
Comprehensive Benefits: Take advantage of flexible work arrangements, generous leave policies, and extensive health and wellness programs.

If you’re passionate about tech and code, and looking to make a significant impact within a forward-thinking agency, we’d love to hear from you!

Benefits

Great Company Culture: Be part of a dynamic and supportive team that values creativity and collaboration
Flexible Work Options: Flexible offices and remote days to suit your productivity needs
Generous Leave:
- Year One: 20 leave days / Year Two: 22 leave days / Year Three: 24 leave days
Office Locations: Offices in Johannesburg and Cape Town, with remote positions available
Equipment Provided: MacBook Pro or similar PC 2nd display, ensuring you have the tools you need.
Professional development: Mentorship, programmes and budget, HubSpot certifications support
Wellness: In-office health snacks
Mental Health: Paid access to an organisational psychologist (up to two sessions p/month)

Integration Developer (ERP & CRM Systems)

We're looking for strong Integration Developers to join our development team. Apply if you are passionate about making business systems talk to each other.