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Job description
Overview
Senior Software Engineer (Backend) to design, build, and scale backend systems that power mission-critical applications. This role emphasizes Java and Python development, microservices architecture, and a strong interest in AI-driven capabilities. You will work closely with product, data, and platform teams to deliver secure, scalable, and intelligent backend solutions.
Key Responsibilities
Design, develop, and maintain scalable backend services and APIs using Java, Spring Boot, and Python, with development accounting for 70-80% of time
Build and evolve microservices-based architectures with a focus on performance, reliability, and maintainability
Develop and integrate RESTful APIs and event-driven services
Collaborate with AI/ML engineers and data teams to integrate AI-powered features, including LLM-based services and intelligent automation
Lead technical design discussions and contribute to architectural decisions
Ensure backend systems meet requirements for security, scalability, performance, and availability
Debug and resolve complex production issues; lead root cause analysis and remediation
Drive best practices in code quality, testing, observability, and documentation
Mentor junior and mid-level engineers and provide technical leadership within agile teams
Partner with DevOps and SRE teams to improve CI/CD pipelines, deployment strategies, and system monitoring
Required Qualifications
7+ years of professional experience as a Back End or Software Engineer
Strong expertise in Java, Spring Boot, and object-oriented design principles
Strong experience with Python for API development, data processing, automation, or AI integration
Experience designing and building RESTful APIs and distributed systems
Proven experience with microservices architecture and service-to-service communication
Solid understanding of data persistence technologies (SQL and/or NoSQL)
Experience with CI/CD pipelines and tools such as Git, Jenkins, Maven, or similar
Familiarity with cloud-based platforms and open-source technologies
Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
Preferred Qualifications
Experience integrating AI/ML or LLM-based solutions (e.g., OpenAI APIs, LangChain, Vertex AI, Hugging Face, or similar)
Experience building Python-based AI services, model inference APIs, or data pipelines
Experience with event-driven architectures (Kafka, Pub/Sub, or similar)
Experience with NoSQL databases such as MongoDB or document stores
Cloud experience with Google Cloud Platform (GCP), AWS, or Azure
Experience with containerization and orchestration technologies such as Docker and Kubernetes
Knowledge of serverless architectures (Lambda, Cloud Functions, Azure Functions)
Experience in healthcare industry
Experience working in Agile / Scrum environments
Role: Full Stack Programmer
Duration and project details: 6 months; Max bill rate: $115.00
Role Overview: We are seeking a Senior Full Stack Engineer to design, build, and maintain scalable, high-quality software solutions. In this role, you will contribute across the full technology stack, lead technical initiatives within agile teams, and mentor engineers while partnering closely with product, architecture, and engineering leadership.
Key Responsibilities
Design, develop, and maintain full-stack applications, including front-end user interfaces and back-end services
Lead technical aspects of software development, including system design, prototyping, and implementation
Contribute as a senior member of an agile team by promoting best practices, reusable components, and technical standards
Debug, troubleshoot, and resolve complex software defects across environments
Lead deployment, support, and monitoring of applications across development, test, integration, and production environments
Collaborate with product management, architecture, and engineering leadership to ensure requirements are clear, feasible, and aligned with technical strategy
Ensure applications meet standards for quality, performance, security, scalability, and maintainability
Provide technical leadership, guidance, and mentorship to junior and mid-level engineers
Partner with QA and DevOps teams to improve test automation, CI/CD pipelines, and release processes
Required Qualifications
5+ years of professional experience as a Full Stack Engineer
Strong experience with modern front-end technologies including React, Next.js, Angular, TypeScript, Jest, and Cypress
Experience building micro frontend architectures and component-driven UI systems
Extensive back-end development experience using Java, J2EE, Spring / Spring Boot, and RESTful APIs
Experience designing and implementing microservices-based architectures
Strong understanding of object-oriented analysis and design patterns
Experience with CI/CD tools and practices such as Git, Jenkins, Maven, JMeter, or similar
Familiarity with open-source technologies and cloud-based platforms
Associate's or Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
Preferred Qualifications
5+ years of experience with Java and Spring Boot microservices
5+ years of experience with React and TypeScript
2+ years of experience with MongoDB or similar NoSQL databases
1+ year of experience working with Google Cloud Platform (GCP)
Experience developing software in healthcare industry
Proven experience working in Agile / Scrum environments
Strong written and verbal communication skills with the ability to explain technical concepts clearly
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Worksite address
st. louis, MO, 63146, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.