---
title: 'Senior Application Developer at P\S\L Group'
canonical: 'https://feeny.ai/job/senior-application-developer-p-s-l-group-mexico-erysmfttyhhj'
type: 'job'
last_seen: '2026-09-09'
---

# Senior Application Developer at P\S\L Group

- **Company:** P\S\L Group
- **Location:** Mexico
- **Posted:** 2026-06-30
- **Last confirmed live:** 2026-09-09
- **Apply:** https://job-boards.greenhouse.io/pslgroup/jobs/6104063004

## Job description

Senior Fullstack Application Developer

Our Vision

P\S\L Group is a global organisation dedicated to putting information at the service of medicine.  The companies and people of the P\S\L Group aim to improve medical care by serving those who need it, those who provide it and those who seek to improve it.

To this end, we want our information and education services to contribute to the goals we share with our clinicians, clients and supporters, namely: to accelerate the advancement of medicine and help people enjoy better, longer lives.

Purpose

Our key contribution to society is to help clinicians and those who support them provide state-of-the-art medical care.

Our primary business purpose is to help clients and supporters increase the effectiveness of activities pertaining to scientific communication, medical education and the maintenance of clinician audience intimacy.

Position Summary

We are looking for a Senior Fullstack Application Developer to lead the design and development of complex web applications that leverage the power of Generative AI. You will be responsible for crafting both the user-facing frontend and the robust backend logic, integrating LLM services such as OpenAI’s GPT-4o, Google Vertex AI, Claude, Deepseek, and more. Ideal candidates are proactive engineers who thrive in cloud-native environments and are comfortable making architecture decisions across the stack. You’ll collaborate closely with cross-functional teams to create performant, scalable, and intuitive applications in a fast-paced, highly  communicative, innovation-driven environment.

## What You Will Do

- Build modern, responsive web interfaces using React (v18/19), TypeScript, and Yarn.
- Translate complex UI/UX designs into clean, responsive code
- Write unit and functional tests; maintain high code coverage and code quality.
- Design and develop scalable and secure backend APIs using NodeJS and Python.
- Architect, deploy and maintain serverless applications on AWS using Lambda, DynamoDB, API Gateway, and related services.
- Integrate third-party services and GenAI APIs for intelligent application behavior.
- Implement and maintain website optimizations including, front-end performance techniques, CDN usage, caching strategies and efficient media handling.
- Proven delivery of highly performant, scalable  stacks – frontend and backend.

Technical Skills

- Languages & Frameworks:
- JavaScript, TypeScript, Vite, Python, NodeJS, React, Redux, Express.js, HTML5, CSS3 (SASS/SCSS)
- Cloud & DevOps:
- AWS services (Lambda, API Gateway, DynamoDB, Cognito, S3, CloudWatch, etc.), Serverless Framework or AWS SAM
- CI/CD tools (CodePipeline, CodeBuild, GitHub Actions, etc.)
- Databases:
- PostgreSQL, MySQL, DynamoDB, RDS
- Tooling:
- Git, GitHub, Yarn, Vite, Webpack, Babel, NVM/NPM
- AI assisted development, skills, MCP, agents, agentic coding cli tools.
- GenAI Ecosystem (preferred):
- OpenAI GPT-4o, Google Vertex AI, AWS Bedrock models

Additional

- Experience with Next.js, React Native, Vercel, RTK, Tanstack
- Exposure to Figma, Sketch, or other design tools
- Familiarity with monorepos, Lerna, and modular architectures
- Knowledge on Infrastructure as Code (IaC) technologies: AWS SAM, Serverless Framework, Terraform
- Other cloud based platforms such as Google, Azure, etc.

Perks & Benefits of Joining Our Team at P\S\L Mexico ⚕️  Private Health Insurance 🌍  International Exposure 🤸  Agile Organization 💸  13th-Month Salary (Aguinaldo) 💰  Savings Fund 🍽️  Food Vouchers 💻  Flexible Home Office – Come to the Office at Your Best Convenience 🏖️  12 Vacation Days After Your 3-Month Anniversary 📚  Tuition Reimbursment

## About P\S\L Group

## Company Overview
- **One-liner**: P\S\L Group is a privately-held global organization that provides medical education, scientific communication, and information services to improve medical care.
- **Entity Type**: Private (self-financed, debt-free)
- **Headquarters**: New York, United States
- **Founded**: Not publicly available
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Healthcare information, medical education, and scientific communication.
- **Target customers**: Pharmaceutical companies, clinicians, and medical educators (B2B).
- **Mission**: “Putting information at the service of medicine” to “helping people enjoy longer, better lives.” [pslgroup.com](https://www.pslgroup.com/)

## Products & Services
- **PeerVoice**: Multi-country medical education service connecting clinicians with expert faculty. [linkedin.com](https://www.linkedin.com/company/psl-group)
- **AiCME (Answers in CME)**: Educational development for continuing medical education. [linkedin.com](https://www.linkedin.com/company/psl-group)
- **Instar Research**: Market research services tailored to the healthcare industry. [linkedin.com](https://www.linkedin.com/company/psl-group)
- **PeerEducation**: Operational support for live and virtual medical education events. [greenhouse.io](http://job-boards.greenhouse.io/pslgroup)
- **Data & Technology Services**: Custom data platforms, audience analytics, and digital engagement tools for life sciences. [linkedin.com](https://www.linkedin.com/company/psl-group)

## Market Standing
- **Valuation/Market Cap**: Not publicly available (the company is self-financed and debt-free). [pslgroup.com](https://www.pslgroup.com/)
- **Key Metric**: 481 employees as of 2026, with 8.4% year-over-year headcount growth. [linkedin.com](https://www.linkedin.com/company/psl-group)
- **Notable Investors/Partners**: Not publicly available; the company emphasizes independence from external investors. [pslgroup.com](https://www.pslgroup.com/)
- **Growth Signals**: Operations across 21 countries, 7 offices on 5 continents, and active job postings in finance, sales, medical direction, and educational development. [linkedin.com](https://www.linkedin.com/company/psl-group) [greenhouse.io](http://job-boards.greenhouse.io/pslgroup)

## Competitive Advantages
- **Financial independence**: Self-financed and debt-free, enabling a long-term focus on client needs without quarterly earnings pressure. [pslgroup.com](https://www.pslgroup.com/)
- **Nimble structure**: Operates as a network of smaller, specialized businesses, allowing quick adaptation to market changes. [pslgroup.com](https://www.pslgroup.com/)
- **Deep healthcare niche**: Decades of expertise in medical communications, clinician engagement, and scientific publishing. [linkedin.com](https://www.linkedin.com/company/psl-group)

## Strategic Focus
- Expanding the network of “people‑centred businesses” while maintaining independence. [pslgroup.com](https://www.pslgroup.com/)
- Leveraging data engineering and AI (e.g., former director of Gen‑AI Healthcare Products) to innovate medical education and audience insights. [linkedin.com](https://www.linkedin.com/company/psl-group)
- Reinvesting in new technologies and talent to improve service delivery. [pslgroup.com](https://www.pslgroup.com/)

## Why Work Here
- **Culture**: Described as an “Achiever’s Paradise” with hands‑on management, personal responsibility, and a focus on continuous improvement. [pslgroup.com](https://www.pslgroup.com/)
- **Global reach**: Offices in the US, UK, Canada, Mexico, France, Luxembourg, South Africa, and Malaysia offer a truly international work environment. [pslgroup.com](https://www.pslgroup.com/)
- **Employee reviews**: Mixed feedback – some praise the global experience and productive atmosphere, while others cite micro‑management and unstructured processes. [indeed.com](https://ca.indeed.com/cmp/P-S-L-Group-1/reviews?fcountry=ALL)
- **Tech stack**: Modern tools (Node.js, Docker, AWS, Snowflake, Python, etc.) appeal to engineers and data professionals. [linkedin.com](https://www.linkedin.com/company/psl-group)
- **Remote/Hybrid**: Not explicitly stated; roles appear location‑specific (e.g., Montreal, New York, Mexico), suggesting office‑based or hybrid arrangements.

## Sources
1. [pslgroup.com](https://www.pslgroup.com/)
2. [linkedin.com/company/psl-group](https://www.linkedin.com/company/psl-group)
3. [greenhouse.io/jobs/pslgroup](http://job-boards.greenhouse.io/pslgroup)
4. [indeed.com/cmp/P-S-L-Group-1/reviews](https://ca.indeed.com/cmp/P-S-L-Group-1/reviews?fcountry=ALL)
5. [theorg.com/org/psl-group](https://theorg.com/org/psl-group)

## Other roles at P\S\L Group

- [Senior Data Governance Analyst](https://feeny.ai/job/senior-data-governance-analyst-p-s-l-group-mexico-z6ynaq8j311g) — Mexico
- [Senior Application Developer](https://feeny.ai/job/senior-application-developer-new-york-city-economic-development-corporation-new-7mp2emhga9s2) — New York New York, United States
- [Senior Application Developer](https://feeny.ai/job/senior-application-developer-level-austin-xyqatr97jn35) — Austin, TX