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Datafin

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

Datafin

  • R Undisclosed
  • Permanent Senior position
  • Cape Town
  • Posted 06 Jul 2026 by Datafin
  • Expires in 34 days
  • Job 2641933 - Ref ed5af891-45bb-4
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About the position

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 [URL Removed] 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 [URL Removed] 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 [URL Removed] 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 [URL Removed] 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.

Desired Skills:

  • Software Engineering
  • Python
  • Artificial Intelligence
  • Typescript

About The Employer:

A leading Strategy, Services, and Technology partner in the online Education space

Apply Now

Datafin

About the agency

Datafin Recruitment was established in 1999 and is one of South Africa’s leading Recruitment companies. Owned and managed by two sisters Lindy and Bev Sollinger, we focus on connecting with both our clients and candidates in an authentic conscious meaningful manner. We focus on the Tech, Digital/Online, Data, Finance and HR industries.

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