Smile Train

The Opportunity

We are looking for a skilled and driven Backend Developer to join our team. As a Backend Developer, you will be responsible for building and maintaining secure, scalable, and high-performance server-side applications and APIs that power our core software products.

The ideal candidate will have hands-on experience with modern backend technologies, a strong understanding of system architecture and data management, and a passion for clean, efficient code. You will collaborate closely with frontend developers, DevOps engineers, and product managers to deliver high-quality, integrated solutions that support our expanding user base.

Office Hours and Location

• Full-time, Monday to Friday
• Location: Argyle, TX – Onsite

Key Responsibilities and Duties

• Design and develop RESTful APIs and microservices using Python, Node.js, migrating from .NET technologies, ensuring optimal performance, security, and scalability.
• Build and maintain integrations with third-party services, payment gateways, and external APIs, implementing proper error handling and monitoring.
• Develop and optimize database schemas, queries, and data models for both SQL and NoSQL databases, ensuring data integrity and performance.
• Implement containerized applications using Docker and deploy them using Kubernetes orchestration, following DevOps best practices for CI/CD pipelines.
• Collaborate with AI and machine learning teams to integrate AI Agentic software development tools and automated code generation systems into the development workflow.
• Write comprehensive technical documentation, including API specifications, system architecture diagrams, and deployment guides.
• Participate in code reviews, maintain coding standards, and mentor junior developers on best practices and emerging technologies.
• Monitor application performance, troubleshoot issues, and implement solutions to ensure high availability and reliability of backend services.
• Work with cross-functional teams to gather requirements, estimate development efforts, and deliver features within agreed timelines.
• Stay current with industry trends, evaluate new technologies, and contribute to technical decision-making processes.
• Implement security best practices, including authentication, authorization, data encryption, and vulnerability assessments.

Skills and Qualifications

• At least 3 years of professional backend development experience with strong proficiency in Python and Node.js.
• Experience with C#, VB.NET, or C++ for enterprise-level applications and system integrations/modernization.
• Hands-on experience with Kubernetes container orchestration, Docker containerization, and cloud deployment strategies.
• Proven track record of building and maintaining RESTful APIs and microservices architectures.
• Experience with AI Agentic software development tools such as Windsurf, GitHub Copilot, ChatGPT, or similar AI-powered development assistants.
• Strong knowledge of database technologies including PostgreSQL, MySQL, MongoDB, and Redis, MSSQL, with experience in query optimization.
• Proficiency with version control systems (Bitbucket, Git), CI/CD pipelines (Jenkins, GitLab CI), and automated testing frameworks.
• Experience with cloud platforms (AWS, Azure, GCP) and infrastructure as code tools (Terraform, CloudFormation).
• Strong problem-solving skills and ability to debug complex distributed systems and performance issues.
• Excellent written and verbal communication skills, with ability to explain technical concepts to non-technical stakeholders.
• Experience with agile development methodologies and collaborative development practices.
• Knowledge of security principles, NIST (SSDF/CSF), and secure coding practices.

As a Plus

• Experience/knowledge in the Aerospace domain/operations.
• Experience with message queuing systems (RabbitMQ, Apache Kafka) and event-driven architectures.
• Familiarity with monitoring and observability tools (Crashlytics, Prometheus, Grafana, ELK stack).
• Knowledge of serverless computing (AWS Lambda, Azure Functions) and edge computing technologies.
• Experience with performance testing, load testing, and system optimization techniques.
• Understanding of machine learning workflows and MLOps practices.
• A BS degree in Computer Science, Software Engineering, or related field is preferred.
• Experience with performance simulation of full interconnect solutions using both transaction-level and processor/software-driven models.
• Familiarity with containerization technologies like Docker and Kubernetes, and automation tools like Jenkins.
• A BS degree in Computer Science or a related field is preferred.

Preferred Qualifications

• Experience with enterprise integration patterns and API gateway technologies.
• Familiarity with real-time communication protocols (WebSockets, Server-Sent Events).
• Experience with data pipeline development and ETL processes.
• Understanding of distributed systems design patterns and microservices best practices.
• Expertise in modern SQL and NoSQL databases, including MySQL, PostgreSQL, Redis, and or MongoDB.
• Strong experience in full-stack development and system architecture in a fast-paced, innovation-driven environment.

Aircraft Performance Group (APG)

Aircraft Performance Group, LLC (APG) is a flight operations performance engineering firm, established in 1999, that specializes in Runway Analysis, Weight and Balance, and Flight Planning solutions for the airline and corporate flight operations industry. We maintain a current worldwide database of airport information and provide data based on FAR, EASA, and CASA requirements. APG is headquartered in Castle Rock, Colorado. Learn more at flyapg.com.

Job Type: Full-time

Pay: From $110,000.00 per year

Work Location: In person