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I’m a results-driven software engineer who loves design, architecture, and shipping thoughtful web applications. With a strong foundation in JavaScript/TypeScript and a broad toolkit across Node.js, React, NestJS, .NET, and Python, I build scalable systems, microservices, and AI-powered integrations. Over the past few years I’ve delivered data-driven automations, cloud migrations, and secure integrations for teams across the US and Brazil. My work has reduced manual data entry by large margins, cut costs, and improved reliability, all while keeping a focus on clean code, testing, and maintainability.…I’m a results-driven software engineer who loves design, architecture, and shipping thoughtful web applications. With a strong foundation in JavaScript/TypeScript and a broad toolkit across Node.js, React, NestJS, .NET, and Python, I build scalable systems, microservices, and AI-powered integrations. Over the past few years I’ve delivered data-driven automations, cloud migrations, and secure integrations for teams across the US and Brazil. My work has reduced manual data entry by large margins, cut costs, and improved reliability, all while keeping a focus on clean code, testing, and maintainability.

Igor Adelino

Full Stack Developer, Web Developer, Front-End Developer, +3

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I’m a results-driven software engineer who loves design, architecture, and shipping thoughtful web applications. With a strong foundation in JavaScript/TypeScript and a broad toolkit across Node.js, React, NestJS, .NET, and Python, I build scalable systems, microservices, and AI-powered integrations. Over the past few years I’ve delivered data-driven automations, cloud migrations, and secure integrations for teams across the US and Brazil. My work has reduced manual data entry by large margins, cut costs, and improved reliability, all while keeping a focus on clean code, testing, and maintainability.…I’m a results-driven software engineer who loves design, architecture, and shipping thoughtful web applications. With a strong foundation in JavaScript/TypeScript and a broad toolkit across Node.js, React, NestJS, .NET, and Python, I build scalable systems, microservices, and AI-powered integrations. Over the past few years I’ve delivered data-driven automations, cloud migrations, and secure integrations for teams across the US and Brazil. My work has reduced manual data entry by large margins, cut costs, and improved reliability, all while keeping a focus on clean code, testing, and maintainability.

Available to hire

I’m a results-driven software engineer who loves design, architecture, and shipping thoughtful web applications. With a strong foundation in JavaScript/TypeScript and a broad toolkit across Node.js, React, NestJS, .NET, and Python, I build scalable systems, microservices, and AI-powered integrations.

Over the past few years I’ve delivered data-driven automations, cloud migrations, and secure integrations for teams across the US and Brazil. My work has reduced manual data entry by large margins, cut costs, and improved reliability, all while keeping a focus on clean code, testing, and maintainability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Work Experience

Software Engineer at Bequest California - US

February 1, 2025 - February 1, 2026

Led the automation of fiduciary processes by leveraging LLM-powered ingestion to extract beneficiaries, executors, trustees, and inventory items with real-time market values, reducing manual data entry by 80%. Implemented cross-border fiduciary accounting and automated court-formatted reports across Canada and the U.S. (5+ states) using React, Node.js, and NestJS, boosting financial control by 5x and cutting document processing time by 70%. Enhanced security and reliability through pre-audit AST analysis, vulnerability remediation, and tests enabling secure integration with a Tier-1 Canadian trust bank using TypeScript, Nest, React, and Jest.

Software Engineer at Comunica.In Paraná

February 1, 2024 - Present

Saved 100% on external storage costs by migrating essential data to AWS Systems Manager Parameter Store. Improved resilience of multiple microservices by addressing synchronization errors and crashes in RabbitMQ-driven data pipelines, boosting stability by 35%. Accelerated development by refactoring legacy C#/.NET code into microservices with TypeScript and Node, using Clean Architecture, enabling synchronization of databases for over 300,000 employees.

Software Engineer at Tech19 São Paulo

December 1, 2023 - May 1, 2024

Reduced system bugs by 70% through a focused testing strategy with Vitest and Clean Architecture, covering end-to-end and unit tests for key features. Improved real-time data processing by 50% by applying SOLID design principles and introducing RabbitMQ and Socket.io for reliable, scalable data flows.

Software Engineer at Tizza Santa Catarina

June 1, 2023 - December 1, 2023

Scaled financial operations across four Brazil branches: doubled monthly revenue by building a complete invoicing and budgeting system with TypeScript, Node.js, Nest.js, and MongoDB. Cut infrastructure costs by 5x by migrating to AWS and implementing a serverless API with API Gateway, AWS RDS, and VPC. Built an Angular dashboard to visualize financial data from all branches stored in AWS Aurora, improving cross-branch financial visibility by 3x.

Software Engineer at UBTech Paraíba

January 1, 2023 - June 1, 2023

Supported over 1,000 medical students by delivering responsive UI for a major medical application using TypeScript, React, and Next.js, emphasizing performance and scalability. Increased UI performance by 40% by optimizing Next.js server-side actions and implementing Cypress-based testing.

Software Engineer at Bequest California

February 1, 2025 - February 1, 2026

Led development of LLM-powered ingestion to extract beneficiaries, executors, trustees, and inventory items with real-time market values using OpenAI, Node.js, and prompt engineering; reduced manual data entry by 80%. Automated fiduciary accounting and court-formatted reports across Canada and the U.S. (5+ states) using React, Node.js, and NestJS; improved financial control by 5x and cut document processing time by 70%. Strengthened system security through pre-audit AST analysis, remediation of critical vulnerabilities, and tests enabling secure integration with a Tier-1 Canadian trust bank using TypeScript, Nest, and Jest.

Software Engineer at Surplus.Co

July 1, 2024 - February 1, 2025

Cut operational costs by 50% by migrating ERP and storage systems, implementing webhooks for seamless database synchronization, and reducing external dependencies. Accelerated international sales by 3x by integrating Amazon real-time data using TypeScript and SOLID principles to improve reliability. Reduced bugs by 70% and improved system performance by refactoring the backend with NestJS and microservices to enhance scalability and maintainability.

Software Engineer at Tizza

June 1, 2023 - December 1, 2023

Increased monthly revenue for four branches around Brazil by 100% by building a complete and scalable financial system for invoicing and budgeting with TypeScript, Node.js, Nest.js, and MongoDB. Reduced infrastructure costs by 5x by migrating from physical servers to AWS and implementing a serverless API for financial control using API Gateway, AWS RDS, and VPC.

Software Engineer at UBTech Paraíba

January 1, 2022 - June 1, 2023

Assisted over 1000 medicine students by designing and implementing user interfaces using TypeScript, React, and Next.js for a medical application, ensuring high performance and scalability with server-side actions.