Principal Full Stack AI Engineer

Posted 5 Days Ago
Be an Early Applicant
Boston, MA, USA
In-Office
167K-250K Annually
Senior level
Biotech • Pharmaceutical
The Role
Design, build, and maintain secure, scalable integrations between an agentic AI platform and enterprise systems using MCP/A2A, APIs, webhooks, and event-driven patterns. Create reusable connectors and middleware, implement authentication/authorization and secrets management, enable data exchange for structured and unstructured sources, and ensure observability, resiliency, and compliance while partnering across product, security, and platform teams.
Summary Generated by Built In

Job Description

Position Summary

Vertex is seeking a Full-Stack AI Engineer to help build, extend, and operate our Agentic AI platform end to end. In this role you will develop AI agents and the services, APIs, and interfaces around them, and connect the platform to the systems, tools, and data sources that make AI valuable in real enterprise workflows. 

The ideal candidate is a versatile engineer who is comfortable across the stack including backend services and APIs, agent frameworks and orchestration, data and retrieval pipelines, and lightweight front-end experiences with real depth in enterprise integration design, MCP/A2A protocols, event-driven architectures, and authentication patterns. This individual will play a key role in ensuring AI capabilities are embedded into day-to-day work at Vertex and not as isolated proofs of concept, but as production-ready solutions integrated into the enterprise ecosystem. 
 

Key Responsibilities 

  • Platform and integrations: connecting the agentic AI platform to enterprise systems, third-party tools, and business-critical services through MCP, A2A, APIs, webhooks, and event-driven patterns 

  • Agent and service development: building agents, tools, and the backend services that support tool use, orchestration, memory, and action execution 

  • Data and retrieval: making structured and unstructured enterprise content usable by AI workflows through ingestion, retrieval, and grounding patterns 

  • User-facing experiences: building and extending lightweight interfaces, chat surfaces, and developer-facing SDKs and connectors that put agents in the flow of work 

  • Reliability and governance: observability, evaluation, security reviews, and the standards that keep agentic solutions safe and supportable in a regulated environment 

  • Build and ship AI and agentic capabilities end to end—from backend services and APIs to the interfaces and connectors users and developers interact with 

  • Design, build, and maintain integrations between the AI/agentic platform and enterprise systems, internal applications, third-party tools, and business services 

  • Implement secure, scalable connectivity patterns that enable AI agents and workflows to access data, trigger actions, and interact with enterprise platforms 

  • Develop and support integrations using MCP, A2A, APIs, webhooks, and event-driven architectures 

  • Create reusable connectors, SDKs, middleware components, and service patterns that accelerate onboarding of new tools and systems into the AI platform 

  • Implement agent capabilities such as tool use, orchestration, retrieval, and action execution, and tune them for accuracy, latency, and cost 

  • Partner with platform, product, data, security, and enterprise application teams to ensure solutions meet technical, business, and compliance requirements 

  • Design robust authentication and authorization patterns for AI services, including identity propagation, token handling, and access control 

  • Enable AI workflows to interact reliably with core enterprise platforms such as collaboration tools, knowledge systems, workflow tools, and line-of-business applications 

  • Build data and retrieval pipelines that make structured and unstructured sources usable by AI and agentic applications 

  • Implement monitoring, logging, tracing, evaluation, error handling, and alerting across agents and integration services 

  • Ensure solutions are resilient, maintainable, observable, and aligned with enterprise architecture standards 

  • Contribute to platform governance by defining standards, documentation, onboarding guidance, and best practices 

  • Troubleshoot and resolve issues related to connectivity, data exchange, authentication, latency, and downstream service dependencies 

  • Evaluate emerging standards and tools in AI engineering, system interoperability, and enterprise integration to inform platform evolution 

Required Qualifications 

  • Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related technical field; equivalent practical experience may be considered 

  • Experience in software engineering, AI/application engineering, or platform engineering, including shipping production services 

  • Full-stack development experience in Python and/or TypeScript, spanning backend services and APIs plus modern front-end or developer-facing surfaces 

  • Hands-on experience building with LLMs and agent frameworks, including tool calling, orchestration, retrieval-augmented generation, prompting, and evaluation 

  • Strong hands-on experience designing and implementing API-based integrations in enterprise environments 

  • Experience with MCP, A2A, service-to-service communication, or similar integration/interoperability patterns 

  • Strong understanding of event-driven architecture, messaging systems, asynchronous processing, and workflow-based integration design 

  • Experience with authentication and authorization standards such as OAuth, OIDC, SSO, service principals, secrets management, and token-based security 

  • Familiarity with enterprise application integration patterns, middleware, and distributed systems design 

  • Experience building secure, scalable, and reliable production services on modern cloud platforms 

  • Strong problem-solving skills and ability to work across multiple systems, teams, and technical domains 

  • Strong written and verbal communication skills with the ability to document and explain technical approaches clearly 

  • Understanding of AI-native software engineering practices, including effective and responsible use of AI coding assistants and software engineering agents 

Technical Skills 

  • Python and/or TypeScript across backend and front-end 

  • LLM APIs, agent frameworks, tool calling, and orchestration 

  • Prompt design, evaluation harnesses, and quality/cost/latency tuning 

  • Retrieval-augmented generation, embeddings, and vector stores 

  • MCP and A2A protocols 

  • REST APIs and service integration 

  • Webhooks and event-driven integration patterns 

  • Enterprise application integration 

  • Authentication and authorization design 

  • OAuth, OIDC, SSO, and token management 

  • Distributed systems and microservices 

  • Messaging and asynchronous processing 

  • Observability, logging, tracing, and monitoring 

  • Data exchange patterns across enterprise systems 

  • Secure connectivity and secrets management 

  • Cloud platforms and cloud-native architectures 

  • Error handling, resiliency, and performance optimization 

  • Versioning, testing, CI/CD, and deployment of production services 

Preferred Skills 

  • Experience building or integrating AI and agentic platforms with enterprise tools and business systems 

  • Experience with Microsoft AI and cloud technologies such as Azure AI Foundry, M365 Copilot, and agent frameworks 

  • Familiarity with workflow orchestration platforms and automation frameworks 

  • Experience building reusable connectors or SDKs for platform extensibility 

  • Knowledge of enterprise data platforms, document systems, knowledge repositories, and collaboration tools 

  • Experience with regulated environments such as biotechnology, pharmaceuticals, healthcare, or life sciences 

  • Experience supporting platform governance, security reviews, and technical documentation 

  • Understanding of observability and evaluation practices for complex, multi-system agentic workflows 

#LI-HYBRID

Pay Range:

$166,640 - $250,000

Disclosure Statement:

The range provided is based on what we believe is a reasonable estimate for the base salary pay range for this job at the time of posting. This role is eligible for an annual bonus and annual equity awards. Some roles may also be eligible for overtime pay, in accordance with federal and state requirements. Actual base salary pay will be based on a number of factors, including skills, competencies, experience, and other job-related factors permitted by law.

At Vertex, our Total Rewards offerings also include inclusive market-leading benefits to meet our employees wherever they are in their career, financial, family and wellbeing journey while providing flexibility and resources to support their growth and aspirations.  From medical, dental and vision benefits to generous paid time off (including a week-long company shutdown in the Summer and the Winter), educational assistance programs including student loan repayment, a generous commuting subsidy, matching charitable donations, 401(k) and so much more.

Flex Designation:

Hybrid-Eligible Or On-Site Eligible

Flex Eligibility Status:

In this Hybrid-Eligible role, you can choose to be designated as: 
1.    Hybrid: work remotely up to two days per week; or select
2.    On-Site: work five days per week on-site with ad hoc flexibility.

Note: The Flex status for this position is subject to Vertex’s Policy on Flex @ Vertex Program and may be changed at any time. 

#LI-Hybrid
 

Company Information

Vertex is a global biotechnology company that invests in scientific innovation.

Vertex is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, sex, gender identity or expression, age, religion, national origin, ancestry, ethnicity, disability, veteran status, genetic information, sexual orientation, marital status, or any characteristic protected under applicable law. Vertex is an E-Verify Employer in the United States. Vertex will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law.

Any applicant requiring an accommodation in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should make a request to the recruiter or hiring manager, or contact Talent Acquisition at [email protected]

Skills Required

  • Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field (or equivalent experience)
  • 8+ years of experience in software engineering, platform engineering, or enterprise integrations
  • Hands-on experience designing and implementing API-based integrations (REST APIs)
  • Experience with MCP and A2A protocols and service-to-service communication
  • Strong understanding of event-driven architecture, messaging systems, and asynchronous processing
  • Experience with authentication and authorization standards: OAuth, OIDC, SSO, token management, service principals
  • Familiarity with enterprise application integration patterns, middleware, and distributed systems design
  • Experience building secure, scalable, and reliable production services
  • Experience with secrets management and secure connectivity patterns
  • Integration observability: logging, tracing, monitoring, error handling and alerting
  • Experience defining architecture, standards, and reusable services for large-scale enterprise environments
  • Strong written and verbal communication skills; ability to document and explain integration approaches
  • Deep understanding of AI-native software engineering practices and experience establishing governance and best practices
  • Experience with cloud platforms and cloud-native integration architectures
  • Experience with versioning, testing, deployment, resiliency, and performance optimization of integration services
  • Experience integrating AI or agentic platforms with enterprise tools and business systems
  • Familiarity with workflow orchestration platforms and automation frameworks
  • Experience building reusable connectors or SDKs for platform extensibility
  • Knowledge of enterprise data platforms, document systems, knowledge repositories, and collaboration tools
  • Experience in regulated environments such as biotech, pharmaceuticals, healthcare, or life sciences
  • Exposure to AI platform patterns including tool use, agent execution, retrieval, and action frameworks
  • Experience supporting platform governance, security reviews, and integration documentation
  • Understanding of observability practices for complex, multi-system workflows

Vertex Pharmaceuticals Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Vertex Pharmaceuticals and has not been reviewed or approved by Vertex Pharmaceuticals.

  • Parental & Family Support Policies provide 12 weeks of 100% paid bonding leave for all U.S. parents with additional fully paid time for birth parents. Family-forming supports include adoption and surrogacy assistance, fertility options like IVF and egg cryopreservation, breast‑milk shipping, subsidized childcare, backup care, and a DCFSA match.
  • Leave & Time Off Breadth Time off includes roughly four weeks of vacation, 13 holidays, sick time, and two companywide shutdowns (summer and year‑end). Some roles also include flexible or unlimited time off and paid volunteer time.
  • Retirement Support Programs include a 401(k) plan with employer contributions and an employee stock purchase plan. Filings describe employer contributions occurring in company stock, supporting long‑term ownership.

Vertex Pharmaceuticals Insights

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The Company
HQ: Boston, MA
5,000 Employees
Year Founded: 1989

What We Do

Vertex is a global biotechnology company that invests in scientific innovation to create transformative medicines for people with serious and life-threatening diseases. We discovered and developed the first medicines to treat the underlying cause of cystic fibrosis (CF), a rare, life-threatening genetic disease. In addition to clinical development programs in CF, Vertex has more than a dozen ongoing research programs focused on the underlying mechanisms of other serious diseases. Founded in 1989 in Cambridge, Massachusetts, our corporate headquarters is now located in Boston’s Innovation District, and our international headquarters is in London, United Kingdom. We currently employ approximately 3,500 people in the United States, Europe, Canada, Australia and Latin America with nearly two-thirds of our staff dedicated to research and development. Vertex is consistently recognized as one of the industry’s top places to work by Science Magazine, The Boston Globe, Boston Business Journal and the San Diego Business Journal. Our research and medicines have also received esteemed recognitions, including the Robert J. Beall Therapeutics Development Award, the French Prix Galien and the British Pharmacological Society awards.

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