Senior Python Full Stack Developer Jobs in West Hartford, CT

ZenSource is seeking a seasoned Senior Full Stack Developer (Drupal) to play a critical role in building, enhancing, and scaling cloud-native, content-driven solutions for our clients. This individual will be a hands-on senior contributor, providing immediate impact across Drupal back-end development while supporting modern cloud, serverless, and AI-enabled initiatives on our roadmap.
This role is ideal for a highly capable engineer who is comfortable owning technical solutions end-to-end and helping establish best practices, as the team continues to grow. The Senior Engineer will collaborate closely with solution architects, product leaders, and clients, while setting a strong technical foundation ahead of future junior-level hires.
Measures:

• High-quality, production-ready Drupal solutions delivered efficiently
• Successful support and enhancement of Drupal 10–11 platforms
• Contribution to serverless and AI-enabled features aligned to the product roadmap
• Strong collaboration and technical leadership within a growing engineering team
• Scalable, secure, and maintainable architecture aligned with cloud best practices

Reports to: SVP, product
RESPONSIBILITIES:

• Drupal & Full Stack Development
  • Design, develop, and maintain robust Drupal back-end solutions, with a focus on performance, scalability, and security, accessibility (WCAG AA), and Core Web Vitals.
  • Work across the full stack as needed, ensuring smooth integration between front-end experiences and back-end systems.
  • Architect integrations between Drupal and CRM/marketing platforms (e.g., Salesforce, HubSpot, Constant Contact) to support automated lead capture and marketing workflows.
  • Lead development efforts on Drupal 10–11 projects, including custom modules, integrations, and migrations.
  • Troubleshoot complex issues across environments and provide production support when required, including supporting other internal teams (e.g., the support department) with issue resolution and architecture guidance.
• Cloud & Serverless Technologies
  • Contribute to serverless architectures supporting platform and product innovation.
  • Develop and maintain Python-based services and AWS Lambda functions.
  • Collaborate on cloud-native designs leveraging AWS services at a foundational level.
  • Ensure systems are secure, scalable, and cost-efficient.
• AI-Enabled Development
  • Support and extend AI-related features and integrations across applications.
  • Collaborate with cross-functional teams to implement AI-driven functionality into client and platform solutions.
  • Apply experience with AI development to practical, production-ready use cases.
• Technical Leadership & Collaboration
  • Serve as a senior technical resource and mentor to future junior developers, providing ad-hoc technical guidance and support across the broader engineering org and partner-agency developers.
  • Establish and follow engineering best practices, documentation, and coding standards.
  • Partner with architects, product managers, and stakeholders to translate business needs into technical solutions.
  • Lead client-facing pitch meetings and technical demos, communicating platform value and building stakeholder confidence.
  • Participate in code reviews, architecture discussions, and continuous improvement efforts.

What it takes to succeed in this role
QUALIFICATIONS:

1. 4+ years of experience as a full stack developer, with strong back-end expertise.
2. 4+ years of hands-on Drupal development, ideally at a mid-to-senior level.
3. Comfort working primarily in Drupal back-end development, with full stack awareness.
4. Experience with Drupal 10 or 11 strongly preferred.
5. Familiarity with serverless technologies, including AWS Lambda.
6. Proficiency with Python for back-end and serverless development.
7. 2+ years of AI development experience, with practical application in real-world systems.
8. High-level working knowledge of AWS and cloud-native architectures.
9. Ability to work independently, make sound technical decisions, and deliver solutions with minimal ramp-up.

Key Competencies:

• Senior-level problem solving and technical ownership
• Strong architectural thinking and attention to quality
• Ability to balance speed with long-term maintainability
• Clear communication with both technical and non-technical stakeholders
• Mentorship mindset and collaborative approach

The Perks:

• The best co-workers you’ll ever find
• Unlimited PTO
• Medical, Dental, Vision, 401k plus match
• Annual performance bonus eligibility
• Ongoing training opportunities
• Planned outings and team events (remote workers included!)

PHYSICAL DEMANDS AND WORK ENVIRONMENT:

• Prolonged periods of sitting at a desk and working on a computer.
• Occasional standing, walking, or lifting of office supplies (up to 10–20 lbs.)
• Frequent communication via phone, email, and video conferencing.
• Work is performed in a temperature-controlled office environment with standard lighting and noise levels.
• Position may require occasional travel to client site

Compensation Range: We offer a competitive salary based on experience and qualifications. The compensation range for this position is $100,000 to $120,000 annually, with potential for bonuses, stock and additional benefits. 
 

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