Full-Stack Tech Lead (Contract, Remote)

Infuse; Durban; Remote; ZAR 300 000 - 400 000; Full time

Job summary

A leading technology firm in Durban is seeking a mid-senior level engineer to design and operate a raw document crawler for its AI-powered discovery engine. This role involves extending APIs, enhancing admin dashboard features, and ensuring SEO best practices. Ideal candidates have full-stack experience and familiarity with a range of technologies including Python, Flask, and AWS. Competitive contract offer with an engaging work environment.

Qualifications

• Experience shipping or maintaining a production-grade full-stack app.
• Familiarity with semantic search or API-first products.
• Comfortable with frontend, backend, and basic infra ops.
• Focus on clarity, performance, and edge-case handling.
• Desire to be hands-on and autonomous.

Responsibilities

• Design and operate a raw document crawler and freshness scheduler.
• Extend Flask APIs to support page claiming, editing, and SSO.
• Finalize the React admin dashboard with asset review features.
• Wire the FastAPI semantic search service into the UI.
• Enforce SEO best practices.
• Monitor latency & error budgets.

Tools

Python

Flask

FastAPI

PostgreSQL

Redis

React

Docker

AWS

GitHub Actions

Helm

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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