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Software Engineer, Systems & Solutions Architect, and Tech Lead with over 15 years of proven experience in designing, architecting, and leading high-availability, enterprise-scale software ecosystems. Expert in digital transformation across banking (BFA - Banco de Fomento Angola), governmental institutions, international technology platforms (Andela, Omkurir Tech), and Solutions Architect on Hiperbite. Grounded in deep theoretical and practical mastery of Domain-Driven Design (DDD), Hexagonal Architecture, Microservices, Event-Driven Architecture (EDA), and SOA. Expertise spans high-level architectural design, load balancing, container orchestration, observability, regulatory security, and automated CI/CD pipelines. A seasoned technical leader adept at bridging strategic business objectives with elite software engineering execution.…Software Engineer, Systems & Solutions Architect, and Tech Lead with over 15 years of proven experience in designing, architecting, and leading high-availability, enterprise-scale software ecosystems. Expert in digital transformation across banking (BFA - Banco de Fomento Angola), governmental institutions, international technology platforms (Andela, Omkurir Tech), and Solutions Architect on Hiperbite. Grounded in deep theoretical and practical mastery of Domain-Driven Design (DDD), Hexagonal Architecture, Microservices, Event-Driven Architecture (EDA), and SOA. Expertise spans high-level architectural design, load balancing, container orchestration, observability, regulatory security, and automated CI/CD pipelines. A seasoned technical leader adept at bridging strategic business objectives with elite software engineering execution.

Sebastião Dias Lutonda

Full Stack Developer, Web Developer, Back-End Developer, +6

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Software Engineer, Systems & Solutions Architect, and Tech Lead with over 15 years of proven experience in designing, architecting, and leading high-availability, enterprise-scale software ecosystems. Expert in digital transformation across banking (BFA - Banco de Fomento Angola), governmental institutions, international technology platforms (Andela, Omkurir Tech), and Solutions Architect on Hiperbite. Grounded in deep theoretical and practical mastery of Domain-Driven Design (DDD), Hexagonal Architecture, Microservices, Event-Driven Architecture (EDA), and SOA. Expertise spans high-level architectural design, load balancing, container orchestration, observability, regulatory security, and automated CI/CD pipelines. A seasoned technical leader adept at bridging strategic business objectives with elite software engineering execution.…Software Engineer, Systems & Solutions Architect, and Tech Lead with over 15 years of proven experience in designing, architecting, and leading high-availability, enterprise-scale software ecosystems. Expert in digital transformation across banking (BFA - Banco de Fomento Angola), governmental institutions, international technology platforms (Andela, Omkurir Tech), and Solutions Architect on Hiperbite. Grounded in deep theoretical and practical mastery of Domain-Driven Design (DDD), Hexagonal Architecture, Microservices, Event-Driven Architecture (EDA), and SOA. Expertise spans high-level architectural design, load balancing, container orchestration, observability, regulatory security, and automated CI/CD pipelines. A seasoned technical leader adept at bridging strategic business objectives with elite software engineering execution.

Available to hire

Software Engineer, Systems & Solutions Architect, and Tech Lead with over 15 years of proven experience in designing, architecting, and leading high-availability, enterprise-scale software ecosystems. Expert in digital transformation across banking (BFA - Banco de Fomento Angola), governmental institutions, international technology platforms (Andela, Omkurir Tech), and Solutions Architect on Hiperbite.

Grounded in deep theoretical and practical mastery of Domain-Driven Design (DDD), Hexagonal Architecture, Microservices, Event-Driven Architecture (EDA), and SOA. Expertise spans high-level architectural design, load balancing, container orchestration, observability, regulatory security, and automated CI/CD pipelines. A seasoned technical leader adept at bridging strategic business objectives with elite software engineering execution.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Intermediate

Work Experience

SOA Architect / Systems Architect (Part-Time) at Andela

August 1, 2022 - Present

Designed and implemented SOA and microservice architectures for international enterprise clients using DDD, Hexagonal Architecture, and Clean Code. Built fullstack applications with MERN, NestJS, and .NET Core with emphasis on security and performance. Authored architecture documentation, ADRs, and OpenAPI/Swagger specs for distributed global teams. Integrated identity solutions using Keycloak, OAuth2, and JWT standards.

SOA Architect / Systems Architect at BFA – Development Bank of Angola

August 1, 2022 - Present

Definition and implementation of service-oriented architectures; modularization; API design; agile governance; remote collaboration.

Tech Lead (Part-Time) at Omkurir Tech

January 1, 2021 - January 1, 2023

Led international teams developing logistics tracking, dispatching, and routing platforms. Architected high-performance REST APIs using Node.js and .NET Core with DDD and Hexagonal Architecture. Directed frontend (React) and mobile (React Native) engineering teams.

Solutions Architect / Tech Lead at Hiperbite

January 1, 2021 - Present

Led systems architecture and engineering for enterprise software products, including an offline-first, multi-tenant Desktop POS application (React/TypeScript/Tailwind) with local persistence and async cloud synchronization. Resolved AGT (national tax compliance) cryptographic integration by implementing payload signature normalization and key validation pipelines for electronic invoicing. Built omni-channel workflow automation using N8N, WAHA WhatsApp API structures, and Redis state persistence with interactive approval loops via Google Chat. Designed high-availability microservices backend using Node.js (NestJS/Fastify), PostgreSQL, Docker Swarm, and NGINX reverse proxies.

Senior Analyst and Developer at MindMap Consulting Angola / Andela (client engagements)

April 1, 2019 - September 1, 2019

Architected and developed financial and government systems; led technical teams; implemented .NET-based solutions and microservices.

C# Software Engineering Trainer at Cegid Primavera Angola

January 1, 2019 - Present

Delivered advanced technical training on C#, .NET Framework, Entity Framework, and Visual Studio for enterprise software developers.

Tech Lead / Senior Software Engineer / Solutions Architect at BFA – Banco de Fomento Angola

August 1, 2018 - Present

Technical lead and systems architect driving digital transformation across core banking operations, foreign exchange management (SGD), credit systems (SGCP and SGCP), and AML compliance. Architected resilient high-throughput financial microservices using .NET Core, Node.js, C#, Ruby on Rails, React, GraphQL, and SQL Server, supporting millions of daily transactions. Refactored mission-critical SQL Server stored procedures and deeply nested JSON arrays, improving query execution speed by 60%. Established automated CI/CD pipelines in Azure DevOps, containerized deployments with Docker, and implemented bank-wide structured logging and observability using SEQ and OpenTelemetry. Coordinated Scrum practices, mentoring developers and aligning technical roadmaps with executive stakeholders.

Software Engineer / Solutions Architect at BFA – Development Bank of Angola

August 1, 2018 - Present

Technical leadership in digital transformation, deployment of microservices, full-stack development, and integration of internal and external APIs; focus on AML and regulatory compliance; leadership across distributed teams.

Senior Systems Analyst & Developer at TIS Tech

March 1, 2017 - December 1, 2017

Full lifecycle development of financial and government systems using PHP (Laravel), Java (Spring Boot), Angular, and Magnolia CMS. Implemented multi-tier backend systems using C#, ASP.NET MVC, NHibernate, and Ruby on Rails with DDD.

Software Engineering Consultant / Fullstack Developer at Novabase

June 1, 2016 - July 1, 2018

Consulted and developed enterprise web systems for social security institutions and commercial banks. Implemented multi-tier backend systems using C#, ASP.NET MVC, NHibernate, and Ruby on Rails with DDD.

Consultant and .NET Developer at MindMap Consulting Angola

February 1, 2016 - June 1, 2016

Analyst and developer for .NET-based systems; participated in full development lifecycle; led small technical teams.

Software Developer & Consultant at Angola Prev | MindMap Consulting | OREALL

January 1, 2012 - January 1, 2017

Developed enterprise and social security software modules using .NET, C#, Java, PHP, and SQL Server. Led early-stage technical teams at OREALL delivering custom business solutions.

Developer at Novabase Cegid Primavera Angola

January 1, 2012 - December 31, 2015

Development and maintenance of corporate applications; pension solutions; multi-tier architecture.