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

Mid-Senior Full-Stack Engineer

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.

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.