Senior/Semi-Senior Backend Developer (Go & Python)

We are looking for a semi-senior backend software developer with strong experience in building scalable backend services and modern serverless solutions. The ideal candidate will have hands-on experience with Python, Golang, and AWS serverless technologies and will contribute to the design, development, and optimisation of high-performance backend systems. Proficiency in English (written and reading) is essential.

Responsibilities:

• Develop, optimise, and maintain backend services using Python and Golang.
• Implement serverless solutions that ensure scalability, high availability, and cost efficiency.
• Design and integrate AWS services such as Lambda, DynamoDB, RDS (PostgreSQL), Step Functions, API Gateway, and other serverless ecosystem components.
• Implement authentication/authorisation mechanisms and follow API security best practices.
• Actively participate in the technical definition, design, and implementation of new features and platform enhancements.
• Collaborate with the development team to ensure adherence to engineering best practices, code quality standards, and architectural guidelines.
• Troubleshoot and resolve complex technical challenges related to performance, security, reliability, and scalability.
• Contribute to CI/CD processes and ensure efficient, reliable, and automated deployments.
• Support the continuous improvement of backend architecture and cloud-native solutions.
• Participate in code reviews and provide technical guidance to ensure maintainable and high-quality software delivery.

Requirements

Backend Development (Python & GoLang)

• 2–3 years of proven experience in software development.
• Strong experience developing and maintaining backend applications using Python and Golang in production environments.
• Experience designing and developing RESTful APIs and distributed backend services.
• Strong understanding of asynchronous programming, service-orientated architecture, and scalable system design.
• Experience developing and maintaining serverless applications.
• Solid understanding of software engineering best practices, design patterns, and event-driven architectures.

AWS & Cloud Technologies

• Hands-on experience with AWS services, particularly:
• AWS Lambda
• DynamoDB
• RDS (PostgreSQL)
• Step Functions
• API Gateway
• Serverless Architectures
• Experience designing cloud-native solutions with a focus on scalability, reliability, and security.

General Knowledge

• Experience troubleshooting performance, scalability, and security issues.
• Familiarity with CI/CD pipelines and deployment automation.
• Experience working collaboratively within agile development teams.
• Strong problem-solving and analytical skills.
• Effective communication and teamwork abilities.

Nice to Have

• Experience in fintech, payment platforms, or financial services environments.
• Experience working with microservices architectures.
• Knowledge of additional AWS services and cloud-native development practices.
• Experience contributing to architecture reviews and technical strategy discussions.
• Proactive mindset, ownership, and attention to detail.
• Previous experience working in Agile/Scrum environments.

Benefits

At Devsu, we believe in creating an environment where you can thrive both personally and professionally. By joining our team, you'll enjoy:

• A stable, long-term contract with opportunities for professional growth
• Private health insurance
• A remote culture that promotes work-life balance
• Ongoing training, mentoring, and learning programs to keep you at the forefront of the industry
• Free access to AI training resources and cutting-edge AI tools to enhance your daily work
• A flexible paid time off (PTO) policy and paid holidays
• Challenging, world-class software projects for clients in the U.S. and Latin America
• Collaboration with some of the most talented software engineers in Latin America and the U.S., in a diverse work environment

Join Devsu and discover a workplace that values your growth, supports your well-being, and empowers you to make a global impact.