Mid-Senior Full-Stack Engineer (Java /Python + React, TypeScript, AWS) -LATAM

Athenaworks; Argentina; Presencial; ARS 104.209.000 - 133.982.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Payment in USD

Flexible work schedule

Non-Working Pay Days Policy

Learning Budget

Impactful industry change

Descripción de la vacante

Athenaworks in Argentina is seeking a Mid-Senior Full-Stack Engineer to design, build, and maintain scalable backend services and RESTful APIs using Java or Python. You will own features end-to-end from database design to API and frontend work.

Collaborate across disciplines, implement tests, optimize queries, review code, and leverage AI tools to boost development efficiency in a fast-paced startup. Advanced English is required, and the team offers USD compensation, flexible hours, and a

Formación

• 4+ years of professional software development experience with full stack work.
• Backend services in Java or Python with relational databases design.
• Strong knowledge of AWS services (SQS, SNS, Lambda, DynamoDB).
• Experience building React + TypeScript web applications.
• Frontend testing using Jest or Cypress.
• Proven ability to leverage AI tools for development Tasks.
• Advanced English proficiency and clear communication.
• Team-oriented, fast-moving startup environment with ownership.

Responsabilidades

• Design, develop, and maintain scalable backend services and APIs.
• Collaborate on technical design and feature integration.
• Own features end-to-end from conception to deployment.
• Implement unit/integration/functional tests across the stack.
• Participate in code reviews for frontend and backend.
• Identify performance bottlenecks and optimize queries.
• Troubleshoot issues and apply AI-assisted CI/CD improvements.

Conocimientos

Full-stack development

Java or Python

Relational databases

AWS ecosystem

React and TypeScript

Frontend testing

AI tooling

English proficiency

Startup ownership

Herramientas

Docker

Kubernetes

AWS CDK

Spring

Descripción del empleo

Job Description

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.

Mid-Senior Full-Stack Engineer

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 flexible 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.