Senior Application Developer
Our Vision
PSL Group is a global organisation dedicated to putting information at the service of medicine. The companies and people of the PSL 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
The candidate will be responsible for defining, designing and delivering scalable and sustainable software solutions focused on using AI. You will be a part of the Engineering team and will be working on the products that stay at the core of the organization.
Projects you will be working on:
Internal AI integration platform
Business process automation
Key Responsibilities:
Participate in the engineering, development and maintenance of our products
Work with the PM to provide estimates for technical activities
Analyze requirements and produce documentation for architectural recommendations, systems, and code-level design
Consult with other project managers, development teams,



and generally contribute your skills wherever required
Perform code reviews for standards, quality assurance, and security audit purposes.
Address day-to-day and longer term technical issues and problems
Participate in the R&D; phase to evaluate new technologies, solutions and software
Automate regression and integration tests using AI
Skills and Qualifications:
Over 5 years of experience in web development
Experience with planning, debugging, and writing code with Claude Code
Skills to design a software (DB structure, components, API, integrations)
Experience with AWS serverless services (Lambda, API Gateway, EventBridge, Step Functions, SQS, DynamoDB, S3, and Fargate)
Strong understanding of distributed systems, event-driven architecture, and API design.
Experience with Node and Typescript
Experience with SQL databases (Postgres, MySQL, Snowflake)
Experience with LLM (Agents, embeddings, MCP, RAG, API of frontier LLMs)
Familiarity with React
Experience with development best practices, including unit testing, code reviews, and design patterns.
Experience in mentoring junior team members
Good communication skills
Mindset of an engineer (attention to application performance, debugging skills)
Perks & Benefits of Joining Our Team at PSL Mexico
⚕️ Private Health Insurance
International Exposure
Agile Organization
13th-Month Salary (Aguinaldo)
Savings Fund
️ Food Vouchers
Adaptable Home Office – Come to the Office at Your Best Convenience
️ 12 Vacation Days After Your 3-Month Anniversary
Tuition Reimbursment

📌 Senior Application Developer (México)
🏢 PSL Group
📍 México