Victor – Typescript, AI agent development, AWS, experts in Lemon.io

Victor

From Portugal (UTC+1)flag

Full-stack Web Developer|Senior
Front-end Web Developer|Middle
Back-end Web Developer|Senior

Victor – Typescript, AI agent development, AWS

Victor is a backend-focused Senior Full-Stack Engineer with 8 years of experience, specializing in TypeScript, Node.js, React, and AWS. He has delivered production-grade features, including ACH payment integrations and BigQuery reporting pipelines, demonstrating strong technical ownership and effective cross-team collaboration. His strengths include backend architecture, database design, scalable system development, and modern AI-assisted development workflows. Victor communicates clearly, takes a pragmatic approach to problem-solving, and is well suited for full-stack roles with a strong backend focus.

8 years of commercial experience
Main technologies
Typescript
8 years
AI agent development
1.5 years
AWS
5 years
React
5 years
AI-assisted coding
1.5 years
Node.js
8 years
Additional skills
Python
MongoDB
Amazon S3
Kafka
Kubernetes
PostgreSQL
Elixir
GraphQL
MySQL
Direct hire
Possible
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Experience Highlights

Senior Software Engineer
Apr 2022 - Ongoing4 years 3 months
Project Overview

Microservices-based property management platform supporting property operations and financial workflows, with the project focused primarily on payment functionality and services.

Responsibilities:
  • Designed and implemented payment features using Typescript and MongoDB;
  • Implemented ACH payment processing;
  • Integrated 3D Secure (3DS) authentication with Forter;
  • Developed payment reporting dashboards;
  • Built security deposit processing workflows;
  • Collaborated closely with Product Managers and Designers to deliver new features;
  • Participated in architecture discussions, code reviews, technical design decisions across payment services, and data engineering pipeline decisions.
Project Tech stack:
Typescript
MongoDB
JavaScript
React
Apache Kafka
AWS
Senior Software Engineer
Jul 2021 - Apr 20228 months
Project Overview

Customer experience and communications platform enabling businesses to manage omnichannel interactions across messaging, sales, marketing, and customer support through automation, APIs, data, and AI-powered solutions.

Responsibilities:
  • Developed distributed Node.js services running on Kubernetes;
  • Built reporting pipelines using Kafka, Apache Druid, and Amazon S3;
  • Designed analytics services;
  • Implemented supporting features for Single Sign-On (SSO);
  • Contributed to scalable microservice architecture.
Project Tech stack:
Node.js
Kubernetes
Kafka
Amazon S3
Python
Typescript
React
Middle Software Engineer
Jul 2020 - Jul 20211 year
Project Overview

Digital wallet and payments platform designed to simplify financial transactions in Brazil, with a focus on Pix and instant payments. The company was later acquired by an Open Finance provider.

Responsibilities:
  • Developed and maintained backend services supporting digital wallet and payment functionality;
  • Designed and optimized PostgreSQL database schemas and data structures;
  • Integrated third-party APIs to support payment and financial workflows;
  • Implemented financial management and transaction-related features;
  • Built and maintained SDK integrations with external services.
Project Tech stack:
Elixir
PostgreSQL
AWS
Junior Software Engineer
Nov 2018 - Jul 20201 year 8 months
Project Overview

Large-scale legal technology platform providing access to legal information and services, with the project focused on payment systems supporting the platform’s commercial products and transactions.

Responsibilities:
  • Maintained three payment microservices;
  • Developed payment reconciliation solutions;
  • Built React payment interfaces;
  • Aggregated payment metrics for reporting;
  • Improved subscription analytics.
Project Tech stack:
Node.js
Python
React
GraphQL
AWS
Typescript
PostgreSQL
BigQuery

Education

2024
Data Science and Engineering
M.Sc.
2021
Computer Engineering
B.Sc.

Languages

English
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