Applaudo Studios

Tech / AI / Software

SeniorFullStackEngineer(Node.js/Python)

san salvador, san salvador department, el salvador FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for mid candidates.

The Brief

“Senior Full Stack Engineer (Node. js/Python) at Applaudo Studios. Skills: Node. js, Python, backend services, RESTful APIs, Azure, AI-driven solutions. Design, develop, and maintain backend services using Node. js and Python. Design and implement scalable and reliable RESTful APIs”

Industry & Context.

Tech / AI / Software
Problems you'll solve

analytical and problem-solving skills; solution-oriented mindset; debugging, troubleshooting, and optimizing performance

Eligibility Requirements

work directly with US-based clients

What They're Looking For.

Must Have

Bachelor’s Degree in Computer Science, Software Engineering, or a related field (or equivalent experience), 5+ years of experience in software development with a backend focus (Node. js and Python), experience with Node. js (NestJS or similar frameworks), experience with Python (FastAPI or similar frameworks), Proven experience designing and building RESTful APIs and backend services, Hands-on experience working with cloud environments (Azure not only exposure), Experience working with distributed systems, microservices, or modular architectures, Solid understanding of asynchronous processing and backend data flows, Experience debugging, troubleshooting, and optimizing performance in production-like environments, Solid understanding of backend security, authentication, and SSL, Experience working with integrations and complex business logic, Familiarity with testing practices, version control (Git), and CI/CD pipelines, analytical and problem-solving skills with high attention to detail, Ability to explain technical decisions and trade-offs clearly, sense of ownership and accountability for delivered solutions, Working experience with frontend technologies (React / Next. js), Hands-on experience implementing AI-based solutions in real projects (e. g. , LLM integrations, AI-powered features, or data-driven models), Advanced English proficiency is required

Nice to Have

Azure preferred

What You'll Do.

and maintain backend services using Node. js and Python

Design and implement scalable and reliable RESTful APIs

Own backend solutions from design to delivery

ensuring quality and performance

Implement and maintain business logic aligned with complex system requirements

Integrate backend services with internal and external systems

Work with Azure cloud services for deployments

and backend solutions

Identify and resolve performance

and reliability issues

Apply best practices in authentication

Collaborate with frontend engineers to ensure seamless system integration

Participate in technical discussions

proposing solutions and improvements

Troubleshoot and resolve issues across different environments

Contribute to improving backend architecture and development practices

Design and implement AI-driven features or integrations as part of backend solutions when applicable

How You'll Work.

Team & Collaboration

Collaborate with frontend engineers to ensure seamless system integration; Participate in technical discussions, proposing solutions and improvements; Collaborative Teamwork

Communication Scope

Ability to explain technical decisions and trade-offs clearly; Advanced English proficiency

Process & Methodology

sense of ownership and accountability for delivered solutions

Full Job Description

About You You are a senior backend engineer who thrives in designing and building scalable, reliable systems within complex environments. You take ownership of backend services, APIs, and integrations, ensuring they are robust, maintainable, and aligned with real business needs. You bring strong hands-on experience with Node.js and Python, and you are comfortable working across distributed systems and cloud environments. You approach problems with a solution-oriented mindset, balancing technical excellence with practical delivery. You also have experience implementing AI-driven solutions in real-world scenarios. Whether integrating LLMs, building AI-powered features, or working with data-driven models, you understand how to leverage AI to enhance product capabilities and solve meaningful problems. You Bring to Applaudo the Following Competencies: * Bachelor’s Degree in Computer Science, Software Engineering, or a related field (or equivalent experience). * 5+ years of experience in software development with a strong backend focus (Node.js and Python). * Strong experience with Node.js (NestJS or similar frameworks). * Strong experience with Python (FastAPI or similar frameworks). * Proven experience designing and building RESTful APIs and backend services. * Hands-on experience working with cloud environments (Azure preferred; not only exposure). * Experience working with distributed systems, microservices, or modular architectures. * Solid understanding of asynchronous processing and backend data flows. * Experience debugging, troubleshooting, and optimizing performance in production-like environments. * Solid understanding of backend security, authentication, and SSL. * Experience working with integrations and complex business logic. * Familiarity with testing practices, version control (Git), and CI/CD pipelines. * Strong analytical and problem-solving skills with high attention to detail. * Ability to explain technical decisions and trade-offs clearly. * Strong s

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