Description:
We are looking for a highly skilled Backend Developer with proven experience in AWS cloud development and LLM-based AI integrations.
The ideal candidate will design, build, and optimise backend services that power a retail AI engine, including the ingestion of user data, integration with AI models, and orchestration of cloud-based components.
Key Responsibilities
Design, build, and maintain backend services for a new AI platform. Develop and optimise APIs that interface with LLMs and other AI services. Integrate AWS-native services (Lambda, API Gateway, S3, DynamoDB, RDS, Step Functions, SageMaker, Bedrock, etc.). Implement AI prompt orchestration, model input/output processing, and response optimisation. Build secure, scalable cloud architectures following AWS Well-Architected best practices. Ensure data governance, security, authentication, and compliance across backend components. Monitor system performance, reliability, and cost efficiency. Collaborate with the frontend team to ensure seamless integration and exceptional user experience. Contribute to the continuous improvement of the AI model workflows and automation pipelines.Required Skills & Experience
4+ years experience in backend development. Strong proficiency in Python, Node.js, or Java (Python preferred for AI workflows). Deep knowledge of AWS cloud services and serverless architectures. Experience integrating or building solutions on top of LLMs, AI APIs, or prompt-based systems. Strong understanding of RESTful API design and event-driven backends. Experience with data modelling and cloud databases (NoSQL/SQL). Knowledge of AWS IAM, security best practices, and API access management. Experience with CI/CD pipelines (Code Pipeline, GitHub Actions, etc.). Ability to work closely with product teams and translate business needs into technical designs.Nice-to-Have
Experience with AWS Bedrock, SageMaker, or other AI/ML platforms. Familiarity with Lang Chain or other LLM orchestration frameworks. Exposure to DevOps fundamentals (containerisation, Terraform/CDK). Experience building consumer-facing AI applications.Personal Attributes
Strong problem-solving skills. Curious and passionate about AI-driven product development. Able to work in a fast-paced, iterative environment. Collaborative mindset with excellent communication skills.
17 Jan 2026;
from:
gumtree.co.za