Mid-Senior Full-Stack Engineer

Join Us to Shape the Digital World. We’re passionate about delivering cutting-edge technology to some of the world’s top startups and companies, powered by diverse and empowered teams of technologists eager to drive change.

We are committed to creating a safe space where everyone, regardless of their background, is treated with respect and equity.

We value people with strong technical skills who are collaborative, curious, results-driven, and take ownership. We embrace people who want to be themselves, enjoy daily flexibility, and are eager to grow, learn, and make a difference wherever the opportunity arises.

If this resonates with you, we encourage you to apply for the role of Mid-Senior Full-Stack Developer. We’re seeking exceptional talent to work on immersive client projects that will challenge and hone your skills.

- Advanced English language proficiency is required for the role.

Responsibilities

- Design, develop, and maintain scalable and reliable backend services and RESTful APIs.
- Collaborate with team members to create technical design recommendations for the
- development and integration of new features based on requirements.
- Take full ownership of features from conception to deployment, including database schema
- design, backend logic, API development, and frontend implementation.
- Implement unit, integration, and functional tests across the full stack, ensuring quality,
- focusing on edge cases, and driving usability.
- Participate in code reviews for both frontend and backend code, ensuring clean, efficient,




- and best practices compliant code.
- Identify and resolve performance bottlenecks across the stack, from database queries to UI
- rendering.
- Troubleshoot and resolve issues reported by users, working across the system as needed.
- Use artificial intelligence (AI) tools across the entire software development lifecycle to boost
- efficiency, automate tasks, and catch issues early. This involves using AI for code assistance,
- advanced testing/debugging, and CI/CD optimization.

Technical Skills (Must-haves)

- 4+ years of professional software development experience, with proven full stack experience
- Professional expertise in developing backend services using Java or Python.
- Solid understanding of relational databases (e.g., PostgreSQL, MySQL), including schema
- design and query optimization.
- Deep, practical knowledge of the AWS ecosystem, including services such as SQS, SNS,
- Lambda, CloudWatch, API Gateway, and DynamoDB.
- Experience building dynamic and responsive web applications using React and TypeScript.
- Good understanding of frontend testing methodologies, using tools like Jest or Cypress.
- Demonstrated effectiveness in leveraging AI tools (such as Cursor, ClaudeCode, and Codex)




- for enhanced software development.
- Advanced English proficiency ( with strong verbal and written
- communication skills.
- Team player, motivated by a fast-moving startup environment and a desire to take
- ownership of the product.

Technical Skills (nice To Have)

- Experience with Spring for Java backend development.
- Experience with containerization technologies (Docker, K8S).
- Experience with Infrastructure as Code tools (AWS CDK).

Soft Skills

- Excellent communication skills (both verbal and written).
- Strong problem-solving and analytical skills.
- Comfortable contributing to architecture discussions and technical decision-making.
- Collaborative, responsible, and proactive team player with strong ownership.
- Ability to work in a fast-paced Agile environment and adapt to evolving requirements.
- Passionate about best practices in software engineering.

A happy team makes all the difference. That’s why we offer:
- Payment in USD
- A truly adaptable work schedule
- A Non-Working Pay Days Policy
- Learning Budget
- An opportunity for you to help create change in the industry
- And more!

Athenaworks is an inclusive and safe organization that values your technical skills, work experience, collaboration abilities, and potential to grow in your career. We proudly welcome self-taught individuals, as we focus solely on your ability to deliver exceptional work. We will never consider any irrelevant personal or professional aspects of your life.

📌 Mid-Senior Full-Stack Engineer (Java OR Python + React, TypeScript, AWS) (Santiago de Querétaro)
🏢 Athenaworks
📍 Santiago de Querétaro