Full-Stack Tech Lead (Contract, Remote)

Infuse; Remote; ZAR 50 000 - 70 000; Part time

Job summary

A cutting-edge technology company in South Africa seeks a Mid-Senior Level Engineer to design and operate a raw document crawler while managing a full-stack application. Responsibilities include developing Flask APIs, finalizing admin dashboards, and ensuring compliance with SEO best practices. The ideal candidate enjoys hands-on work and thrives in a tech-driven, autonomous environment. This contract position offers a unique opportunity to contribute to an innovative AI-powered platform.

Qualifications

• Experience with shipping or maintaining production-grade full-stack apps.
• Knowledge in semantic search and API-first products.
• Comfort juggling between frontend, backend, and infrastructure tasks.

Responsibilities

• Design and operate a raw document crawler and freshness scheduler.
• Extend Flask APIs for user functionalities and access control.
• Finalize the admin dashboard and wire semantic search services.

Skills

Production-grade full-stack application maintenance

Semantic search

API-first development

Frontend and backend development

Clarity and performance handling

Tools

Python (Flask + FastAPI)

PostgreSQL

React (TypeScript + MUI)

Docker

AWS (EKS)

Job description

Hiring Process

We will review your application against our job requirements.

We do not employ machine learning technologies during this phase, believing every human deserves personalized attention from seasoned recruiting professionals.

We may then invite you to submit a video interview for the hiring manager's review.

This interview is often followed by a brief test or short project to assess fit for the team.

You will be invited to interview with our hiring manager and / or the interview team via face-to-face or Zoom.

We never hire without a live meeting.

If you are still excited to join INFUSE and we are impressed, we will discuss an offer in a live conversation.

INFUSE is committed to complying with applicable data privacy and security laws and regulations.

For more information, please see ourPrivacy Policy.

About the Company

We're building INKHUB, an AI-powered discovery engine for 1M+ high-quality marketing assets.

Think of it as the semantic search layer for B2B content—structured, searchable, and always fresh.

What You'll Do

Design and operate a raw document crawler and freshness scheduler (S3 + SQS or EventBridge / Lambda).

Extend Flask APIs to support: Page claiming and editing

SSO sign-in with Google / LinkedIn or magic links

Role-based access control and usage tracking

Finalize the React (MUI) admin dashboard with asset review, user roles, and usage analytics.

Wire our FastAPI semantic search service into the UI (type-ahead, filters, snippet previews).

Enforce SEO best practices: structured URLs, sitemap generation, s, and redirects.

Harden CI / CD with GitHub Actions (or Jenkins); deploy via Helm to AWS (EKS or ECS).

Add lightweight bot-protection (rate limits, IP whitelisting).

Monitor latency & error budgets via CloudWatch and Grafana.

Our Stack

Python (Flask + FastAPI), PostgreSQL, Redis, React (TypeScript + MUI)

Docker, Helm, AWS (S3, Cognito / Auth0, EKS), OpenAPI3

GitHub Actions, Jenkins, SQS, EventBridge or Celery

You Might Be a Fit If...

• You've shipped or maintained a production‑grade full‑stack app.
• You've worked with semantic search, API‑first products, or CMS‑style workflows.
• You're comfortable juggling frontend, backend, and basic infra ops.
• You care about clarity, performance, and edge‑case handling.
• You enjoy being hands‑on and autonomous.

Why This Role Matters

Your work is the platform.

You'll ship and scale the surface where users discover AI‑powered answers, browse the freshest B2B content in the world, and claim their company profiles.

Seniority Level

Mid‑Senior level

Employment Type

Contract

Job Function

Engineering and Information Technology

Industries

Construction, Software Development, and IT Services and IT Consulting

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