Senior Full Stack Software Engineer (Next.js, TypeScript, Tailwind CSS, OpenAI’s APIs and Agents SDK) (Remote)

Recruiter:

Datafin IT Recruitment

Job Ref:

152185

Date posted:

Friday, July 3, 2026

Location:

Cape Town, South Africa

SUMMARY:

POSITION INFO:

ENVIRONMENT: A leading Strategy, Services, and Technology partner in the online Education space seeks the coding talents of a Senior Full Stack Software Engineer whose core role will be to design, build & maintain several agent-based web applications built using Next.js, TypeScript, Tailwind CSS, and OpenAI’s APIs and Agents SDK. Applicants will need a Bachelor’s Degree in Computer Science\/Engineering or similar discipline with 5+ years experience in a similar role including 2+ years experience with Next.js, TypeScript and using Python in conjunction with a web framework such as Flask, Django, or FastAPI. You will also require demonstrated proficiency with AI-assisted tools, such as Claude Code, GitHub Copilot, or similar. Travel may be expected periodically for company\/team events and client meetings either in South Africa or offices in the US. DUTIES:

• Design, build, and maintain several agent-based web applications built using Next.js, TypeScript, Tailwind CSS, and OpenAI’s APIs and Agents SDK.
• Contribute to existing Python API and web applications using the Flask framework.
• Develop and improve AI-powered user experiences, including conversational, voice, and streaming interfaces.
• Modify and refine AI prompts to support new product features.
• Integrate with external platforms and services such as OpenAI APIs, GraphQL backends, AWS Amplify, MongoDB, and learning management systems using the LTI standard.
• Architect and implement scalable Backend APIs, service layers, and tool execution workflows.
• Own feature development from technical design through implementation, testing, deployment, and monitoring.
• Implement automated tests for new functionality.
• Improve application reliability, observability, and performance using tools such as Sentry, OpenTelemetry, and related monitoring systems.
• Collaborate with product, design, and stakeholders to translate requirements into high-quality technical solutions.
• Establish and uphold strong engineering standards for code quality, maintainability, testing, and documentation.
• Debug complex production issues across frontend, backend, integrations, and real-time systems. REQUIREMENTS: Qualifications –
• A Bachelor’s Degree in Computer Science, Engineering, or a related field, or equivalent working experience. Experience\/Skills –
• 5+ Years experience as a software engineer.
• 2+ Years experience using Next.js and TypeScript.
• 2+ Years experience using Python in conjunction with a web framework such as Flask, Django, or FastAPI.
• Demonstrated proficiency with AI-assisted software engineering tools, such as Claude Code, GitHub Copilot, or similar, to accelerate development, improve code quality, and support debugging, testing, and documentation workflows. Nice-to-haves –
• Experience building LLM-powered applications or conversational AI products.
• Familiarity with OpenAI APIs or agent-style SDKs for chat, tool calling, or real-time interactions.
• Experience with AI observability and tracing tools such as Langfuse or similar platforms.
• Familiarity with GraphQL APIs and integrations with platforms such as AWS Amplify.
• Experience with MongoDB or similar document-oriented databases. ATTRIBUTES:
• Demonstrated ability to work in a fast-paced, team-oriented environment.
• Excellent problem-solving skills and attention to detail.
• Strong verbal and written communication skills in English.