Software Engineer / Python + JavaScript

Harare, Zimbabwe · Open to remote engineering opportunities

Jayden Takudzwa Mapasure

I build reliable backend systems, APIs, web applications, and automation with Python and JavaScript, including practical AI integrations.

B.S. Artificial Intelligence & Machine Learning University of Zimbabwe · 2024–2028
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JTM.

01 / Experience

Building systems
that do useful work.

2025 to Aug 2026Enterprise software

Software Engineer @ KaribuTech AI

  • Engineered enterprise software systems for banking, insurance, financial services, and business operations.
  • Developed backend services, REST APIs, database integrations, and deployment workflows using SQL, PostgreSQL, Redis, Docker, and Linux.
  • Designed modular service architectures, data access layers, authentication flows, integrations, and API endpoints.
  • Contributed to database schemas, API contracts, service boundaries, integration patterns, testing, and CI/CD.
2026 to PresentContractor

AI Engineer @ Independent engagements

  • Delivered AI and software engineering solutions across AI automation, backend systems, data workflows, integrations, and intelligent applications.
  • Designed RAG architectures, LLM applications, agentic workflows, structured output systems, evaluation pipelines, and production AI APIs.
  • Built services with Python, FastAPI, Django, PostgreSQL, SQLAlchemy, Redis, Docker, REST APIs, SSE, WebSockets, and cloud infrastructure.
  • Applied API design, testing, CI/CD, observability, model monitoring, production debugging, and failure recovery.
2024 to 2025Arizona, USA · Remote

AI Engineer @ Immigpreneur

  • Designed and deployed a RAG architecture to automate immigration workflow classifications.
  • Developed NLP pipelines to extract and validate data from unstructured sources.
  • Collaborated across teams to take production ready AI solutions from concept to deployment.
2022 to PresentRemote

Freelance Python Developer

  • Built backend services with FastAPI and Django REST Framework for model inference.
  • Designed relational database schemas and optimized SQL queries for data heavy AI applications.

02 / Learning

Continuous
practice.

MicrosoftMLOps & Responsible AI
MicrosoftGenerative AI in Azure
UdacityAWS AI Practitioner Challenge
Google CloudMLOps for GenAI

03 / Selected work

Projects with a
practical point of view.

01

CBIN

B2B invoice exchange with tenant isolation, buyer bookkeeping review and a transactional outbox. Development MVP with a simulated ledger; live connector validation is still required.

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02

BridgeSync

Order delivery with durable jobs, retries, tenant isolation and payment reconciliation.

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03

AgentBench

Coding-agent evaluation with isolated execution, deterministic verifiers and inspectable case results.

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04

RAG System

Hybrid document retrieval with query traces, evidence checks and an automated evaluation harness.

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05

Personal Workspace MCP

Local task management, read-only SQLite analytics and weather tools through MCP.

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Relay project preview
06

Relay

Real time multi agent evaluation engine with streaming communication, structured outputs, and persistent execution state.

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VETTA project loading screen
07

VETTA

Interview review workspace with technical and communication scorecards, heuristic or model-backed assessment, and optional Celery processing.

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FlowOps workspace preview
08

FlowOps

Data pipeline workbench with inspectable processing stages, validation and optional cloud storage.

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09

LLM API Gateway

Production oriented FastAPI gateway standardizing access to multiple LLM providers with authentication, Redis controls, persistence, testing, and CI/CD.

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10

LLM Cost Guard

Token estimation, provider pricing, usage tracking, daily, weekly, and monthly budget enforcement, analytics, and threshold alerts.

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11

Structured Output Agent

Schema enforced LLM extraction system using Pydantic, validation aware retries, typed errors, provider abstraction, and deterministic test fixtures.

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12

CiteRAG

Citation grounded RAG for PDF question answering with page aware ingestion, hybrid retrieval, cross encoder reranking, and source level citations.

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13

ApprovalFlow Agent

Human in the loop workflow engine with persistent state, approval checkpoints, risk based tool classification, audit logging, and failure recovery.

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14

StreamCopilot

Real time AI assistant built with React, TypeScript, FastAPI, and SSE streaming with cancellation, retries, structured events, and observability.

View project

04 / Toolkit

The tools behind
the work.

Python and JavaScript are at the centre of my work, from backend APIs and web interfaces to automation and AI integrations.

AI Integration

RAG architectures, LLM orchestration, agentic workflows, structured outputs, AI agents, evaluation, embeddings, hybrid search, reranking

Backend and APIs

Python, JavaScript, FastAPI, Django, REST APIs, SSE, WebSockets, PostgreSQL, SQLAlchemy, Redis

Data workflows

MLflow, DVC, feature engineering, data pipelines, vector databases, pgvector, ChromaDB, Pinecone

Infrastructure

Docker, GitHub Actions, CI/CD, AWS EC2, AWS S3, Microsoft Azure, Kubernetes, Linux

Software Engineering

Git, GitHub, JavaScript, React, testing, pytest, API design, system architecture, distributed workflows, observability, model monitoring

JavaScript
Python
FastAPI
React
Docker
PostgreSQL
AWS
CI/CD

05 / Contact

Let’s build
something useful.

Have a system to design, an automation problem to solve, or a conversation worth having?

mapasurejayden@gmail.com +263 780 787 214 GitHub / Jemade LinkedIn profile