SR. Full-stack Developer + AI experience

Simpat Tech; Mexico; On-site; PHP 1,339,000 - 2,009,000; Full time

Benefits offered by this job

Career growth

Flexible working hours

Multicultural environment

Medical insurance (health)

Training budget

Life Insurance

Job summary

Simpat Tech is inviting a Senior Full-stack Developer to join our growing team and lead end-to-end web applications built on .NET with modern front-end frameworks. You will design scalable systems using cloud-native technologies in Azure or AWS, and work with MS SQL for data integrity.

We value strong OOP, SOLID principles, and fluent English. Enjoy an Agile environment, mentoring peers, and opportunities to work across multicultural teams.

Qualifications

• 8+ years of professional software development experience.
• Strong OOP understanding.
• Experience in .NET/C#.
• ReactJS or Angular or VueJS experience.
• Experience with cloud native technologies within Azure or AWS.
• Relational database design experience (MS SQL preferred).
• Background experience with SOLID principles and design patterns.
• Fluent in English, spoken and written.

Responsibilities

• Develop end-to-end web applications using .NET Framework and .NET Core with Vue.js/React/Angular.
• Design scalable, high-performance systems with cloud-native tech (Azure or AWS).
• Maintain MS SQL databases ensuring performance and integrity.
• Lead development with Agile methodologies and Lean principles.
• Apply SOLID, design patterns to write maintainable code.
• Develop unit and integration tests to ensure reliability.
• Mentor peers and contribute to continuous improvement.

Skills

8+ years exp

OOP fundamentals

NET/C#

React/Angular/Vue

Cloud native (Azure/AWS)

MS SQL

SOLID principles

English fluency

Tools

GitHub Actions

Azure DevOps

TeamCity

Octopus Deploy

Azure OpenAI

Pinecone

Qdrant

PGVector

Semantic Kernel

Job description

We’re a custom software development company that empower organizations by becoming their trusted technical partner.

We have won awards for being one of the Best Places to Code four years in a row, something that none of our competitors can say! Our work environment is based on innovation, trustworthiness, and fellowship.

We’re always looking for passionate people, who want to create solutions that improve organizations and the lives of people in them.

Rings a bell? Perfect! We have an amazing opportunity as a Senior Full-stack Developer to join our Simpat Tech Family!

Tasks

• Develop end-to-end web applications DotNET Framework and .NET Core for back-end development along with modern front-end frameworks like Vue.js, React, and Angular
• Design and implement scalable, high-performance systems with cloud-native technologies (Azure or AWS).
• Build and maintain relational databases, with a focus on MS SQL, ensuring optimal performance and data integrity.
• Lead development efforts using Agile methodologies with a strong focus on Lean software development principles.
• Apply SOLID principles and design patterns to write maintainable, high-quality code.
• Develop unit tests and integration tests to ensure the stability and reliability of your code.
• Collaborate in a multicultural, diverse team environment where everyone’s ideas are valued.Contribute to a culture of continuous improvement, helping your peers level up through mentoring and knowledge sharing.

Requirements

• 8+ years of professional software development experience
• Strong OOP understanding
• Experience in .NET/C#
• ReactJS or Angular or VueJS experience
• Experience with cloud native technologies within Azure or AWS
• Relational database design experience (MS SQL preferred)
• Background experience with SOLID. principles and design patterns
• Fluent in English, spoken and written

AI & Modern Development

• Experience on setting up CI/CD pipeline (GitHub Actions, Azure DevOps, TeamCity, Octopus is preferred)
• Experience using AI coding assistants (Claude Code, Codex, GitHub Copilot, etc.) to accelerate development
• Experience deploying AI features to production

Nice to Have:

• Proven experience integrating with Azure OpenAI or the OpenAI API
• Hands-on experience with at least one vector database (Azure AI Search, Pinecone, Qdrant, or PGVector)
• Understanding of RAG (Retrieval-Augmented Generation) patterns
• Familiarity with AI frameworks such as Semantic Kernel or similar

Benefits

• Career plan and growth opportunities
• Excellent company culture and working environment
• Flexible work time
• Collaborate in a multicultural environment
• Payroll and Law benefits
• Saving Fund
• Food Vouchers
• Major medical insurance with dental and visual coverage (Familiar)
• Life Insurance
• Personal Accident Insurance (Familiar)
• 10 EXTRA vacation days during the year Zero (increasing according to the law)
• Additional days: sick days, Improve Yourself Time, etc.
• Improve Yourself Budget (training, courses, certifications, etc.)
• Referral bonus and more

We always look for ways to reward those who stand out among their peers and demonstrate true dedication.

When we say we treat each other like family, we mean it!