Avelino Teixeira

Avelino Teixeira

Senior Software Engineer | React, TypeScript, Node.js | Microservices & Distributed Systems Specialist

Luanda, Angola

#OpenToWork

About

Senior Software Engineer with 5+ years building high-performance web systems using React, TypeScript, and Node.js; designed distributed backends and frontend architectures that reduced API latency by 40%, increased checkout conversion by 12%, and supported platforms with 10M+ concurrent sessions. Expert in performance optimization, scalable microservices, and data-driven product engineering that improved system reliability and cut production incidents. Proven at introducing AI-assisted engineering workflows to accelerate delivery velocity by 45% while maintaining production stability.

What I'm looking for

I am looking for a Senior Software Engineer or Full-Stack role. My focus is building scalable web systems using React, TypeScript, and Node.js. I thrive in environments where I can architect microservices, optimize system latency, and apply Clean Architecture. I am seeking a 100% remote, full-time or contract position with global companies that value engineering excellence.

Experience

Independent Consultant

Senior Software Engineer

Independent Consultant

Jan 2026 – Present

● Optimized Node.js APIs, reducing latency by 40% via PostgreSQL and Redis caching. ● Redesigned event-driven checkout for 1M+ monthly txs, increasing conversion by 12%. ● Accelerated engineering lifecycles by 45% through the strategic integration of AI-assisted workflows. ● Applied Clean Architecture and DDD principles to backend services, ensuring code maintainability.

Node.jsPostgreSQLRedis
Worxbase

Software Engineer

Worxbase

Nov 2024 – Dec 2025

● Architected a modular full-stack SaaS platform supporting 10M+ concurrent sessions. ● Engineered CI/CD release validation pipelines, reducing production incidents by 90%. ● Aligned React/Next.js frontend with microservices backend for team consistency. ● Mentored 2 junior engineers through technical decisions, accelerating features and improving code quality.

ReactNext.jsMicroservices
Room Company

Software Engineer

Room Company

Feb 2024 – May 2024

● Built a reusable React/TS component library, cutting duplicated engineering effort. ● Achieved 85% E2E test coverage across critical user paths using Jest and Playwright. ● Led cross-team architecture alignment to introduce modular UI workflows and accelerate design system adoption.

ReactJestPlaywright
Jungletic

Frontend Engineer

Jungletic

Jan 2021 – Jan 2024

● Led Next.js SSR migration, reducing Largest Contentful Paint (LCP) by 44%. ● Designed BFF and GraphQL layers, improving engineering velocity by 30%. ● Increased organic search traffic by 142% through Core Web Vitals optimization.

Next.jsGraphQLSSR

Education

Rocketseat

Rocketseat

Software Engineering & Architecture

Certifications

Skills

JestMicroservicesServerlessTerraformDockerAWSKafkaDynamoDBRedisPostgreSQLREST APIsgRPCGraphQLNode.jsNext.jsReactPythonGoJavaScriptTypeScript

Languages

Portuguese (Native or bilingual proficiency)English (Professional working proficiency)