Mychell Teixeira — Senior Software Engineer

I am a backend development specialist with 17 years of experience delivering complex software solutions for public institutions and major companies in the financial and technology sectors. I have deep expertise in Java, Spring Boot, microservices, and cloud architectures (AWS), working on both greenfield development and legacy system modernization. My work involves API integration, asynchronous messaging, performance optimization, and high-volume data processing—always with a strong focus on code quality, automated testing, and software engineering best practices. Throughout my career, I’ve contributed to critical systems at organizations such as GFT Technologies, Zup Innovation (serving Itaú Unibanco), and federal universities, participating in mainframe integrations, cloud-native implementations, and infrastructure improvements. Beyond technical expertise, I bring essential soft skills for high-performance environments: clear communication, active listening, strong collaboration, mentoring junior developers, and close alignment with product and business teams to maximize the value of our deliveries. I hold postgraduate degrees in Software Engineering, Artificial Intelligence, Mobile Development, and Computer Engineering. I believe software excellence comes not only from technical mastery, but also from empathy, adaptability, and strategic thinking. I am committed to continuous growth—combining technological innovation with a strong focus on building efficient, sustainable solutions that meet real user and business needs.

Stackforce AI infers this person is a Backend Development Specialist with extensive experience in Fintech and Education Technology.

Location: Porto, Porto, Portugal

Experience: 17 yrs

Skills

Java
Cloud Computing
Golang
Api Development

Career Highlights

17 years of backend development expertise.
Strong focus on cloud solutions and microservices.
Proven track record in financial and technology sectors.

Work Experience

Aubay Portugal

Senior Software Engineer (3 mos)

Pismo

Staff Engineer (5 mos)

GFT Technologies

Backend Developer Specialist (1 yr)

CloudPlusPlus

Software Engineer (3 mos)

Zup Innovation

Software Engineer | Senior Backend Developer (2 yrs 2 mos)

Andifes-Assoc. Nac.Dirigentes Das Instituições Fed

Full Stack Developer (8 mos)

Superintendência de Informática - UFRN

Software Architect (3 yrs 8 mos)

Technical Consultant (4 yrs)

Analista de Sistemas (4 yrs 3 mos)

RegexTI

Desenvolvedor de software - Freelancer (1 yr 2 mos)

Supply Radar

Desenvolvedor de Sistemas - Freelancer (4 yrs 3 mos)

Metrópole Digital - IMD/UFRN

Tutor (3 yrs 4 mos)

Prefeitura de Goianinha

Coordenador Técnico em Informática (11 mos)

Education

Postgraduate Degree at Faculdades Prominas

Information Technology at Full Cycle

Postgraduate Degree at Universidade Federal do Rio Grande do Norte

Computer engineer at Universidade Federal do Rio Grande do Norte

Postgraduate Degree at Faculdade Unyleya

Mychell Teixeira

Senior Software Engineer

Porto, Porto, Portugal17 yrs experience

AI EnabledAI ML Practitioner

Key Highlights

17 years of backend development expertise.
Strong focus on cloud solutions and microservices.
Proven track record in financial and technology sectors.

Stackforce AI infers this person is a Backend Development Specialist with extensive experience in Fintech and Education Technology.

Contact

Skills

Core Skills

JavaCloud ComputingGolangApi Development

Other Skills

QuarkusMicrosoft AzureApache SparkGo (Programming Language)Systems DesignEngineeringProblem SolvingAWSObservability toolsCore JavaDesign PatternsLow LatencyUnit TestingTest AutomationSpring Boot

About

Experience

17 yrs

Total Experience

2 yrs 5 mos

Average Tenure

3 mos

Current Experience

Aubay portugal

Senior Software Engineer

Feb 2026 – Present · 3 mos · Porto, Portugal · Hybrid

Critical TechWorks (BMW)
Working as a consultant at Aubay, allocated to the CEDEC Squad at Critical TechWorks, a technology company from the BMW Group responsible for developing next-generation digital platforms and data-driven solutions.
In this role, I contribute to the design and development of scalable backend services and data processing solutions supporting enterprise-grade systems.
Key responsibilities and technologies:
Development of backend services using Java and Quarkus
Implementation of data processing pipelines using Apache Spark
Cloud-based solutions deployed on Microsoft Azure
Implementation of CI/CD pipelines using GitHub Actions and ArgoCD
Infrastructure automation and configuration management using Ansible
Data management and search solutions using PostgreSQL and Apache Solr
Collaboration within an Agile/Scrum environment, participating in sprint planning, daily stand-ups, and retrospectives
Close collaboration with cross-functional teams to deliver reliable, scalable, and high-performance solutions

JavaQuarkusMicrosoft AzureCloud Computing

Pismo

Staff Engineer

Aug 2025 – Jan 2026 · 5 mos · São Paulo, Brazil · Remote

Developed and maintained core banking systems using Golang, enhancing customer experience and user onboarding processes.
Collaborated with the Setup Team to ensure high availability and reliability of cloud computing solutions on AWS.
Utilized observability tools for troubleshooting, leading to improved system performance and user satisfaction.

Go (Programming Language)Systems DesignEngineeringProblem SolvingGolangCloud Computing

Gft technologies

Backend Developer Specialist

Jul 2024 – Jul 2025 · 1 yr · Brazil · Remote

Developed new features for Credit Services Reports with large data volume for both legal entities and individuals using Spring boot, GraphQL, and Java.
Integrated API Rest and Mainframe to enhance report components for Serasa Experian at GFT Technologies.
Collaborated with Squad to optimize report generation processes and improve data accuracy.

API DevelopmentCore JavaDesign PatternsLow LatencyUnit TestingTest Automation+8

Cloudplusplus

Software Engineer

Mar 2024 – Jun 2024 · 3 mos · Netherlands · Hybrid

API DevelopmentCore JavaHibernateDesign PatternsUnit TestingTest Automation+11

Zup innovation

Software Engineer | Senior Backend Developer

Jan 2022 – Mar 2024 · 2 yrs 2 mos · Brazil

Excellence in backend development: Participation in design and implementation of robust backend solutions using Java and Spring Boot, emphasizing high performance and scalability in accordance with industry best practices.
PIX Integration and Optimization: Perfectly integrated the PIX system, ensuring a safe and efficient transaction experience. We follow PIX developments to drive innovation on our platforms.
Cloud experience: leveraged AWS certification to apply cloud technology knowledge, building scalable and resilient solutions. Contributed to infrastructure optimization by implementing services in a cloud-native environment.
Collaborative Leadership: Worked closely with cross-functional teams, promoting collaboration and knowledge sharing. Provided crucial leadership in mentoring junior developers, cultivating a culture of continuous learning and improvement.
Impact on Itaú Unibanco: Actively contributed to the evolution of Itaú Unibanco's technological scenario, aligning development initiatives with strategic objectives. He played a key role in maintaining our position as a technology leader in the financial sector.

API DevelopmentREST APIsData StructuresCore JavaSpringDesign Patterns+14

Andifes-assoc. nac.dirigentes das instituições fed

Full Stack Developer

Oct 2021 – Jun 2022 · 8 mos · Brasília, Federal District, Brazil · Remote

Developed and deployed a robust web application utilizing cutting-edge technologies such as Spring Boot, Spring MVC, and Thymeleaf. Utilized PostgreSQL for efficient data storage and management, ensuring seamless scalability and reliability. Implemented RESTful APIs to facilitate seamless communication between frontend and backend systems. Orchestrated the integration of RabbitMQ for asynchronous messaging, optimizing system performance and responsiveness. Demonstrated proficiency in Java programming and applied best practices to deliver high-quality, maintainable code. Played a pivotal role in the design and development of user-friendly interfaces using Thymeleaf, enhancing the overall user experience.

API DevelopmentPostgreSQLDesign PatternsCSSUnit TestingTest Automation+8

Superintendência de informática - ufrn

3 roles

Software Architect

Promoted

Apr 2018 – Dec 2021 · 3 yrs 8 mos · Brazil · On-site

Modeling and implementation of a service bus for communication between the structuring systems and the UFRN Integrative Management Systems.
Implementation of new software solutions to modernize UFRN Management Systems.

API DevelopmentPostgreSQLJBoss Application ServerREST APIsData StructuresSpring+14

Technical Consultant

Apr 2014 – Apr 2018 · 4 yrs · Brazil · On-site

Authored technical documentation to aid team members and partner institutions in understanding software
modules and components.
Provided support for RESTful Web Services, SOAP Web Services, and PostgreSQL databases.
Assisted in configuring JBoss and Tomcat for SIGs deployment.• Offered business support to partner institutions using UFRN's systems.
Troubleshooted various errors, from programming issues like NullPointerException to configuration
problems.

API DevelopmentPostgreSQLJBoss SeamJBoss Application ServerREST APIsSpring+10

Analista de Sistemas

Jan 2010 – Apr 2014 · 4 yrs 3 mos · Brazil · On-site

Developed new modules for SIPAC, including one for Auditoria Interna and another for the collection of
chemical waste.
Maintained and improved functionalities in SIPAC and SIGRH.
Created RESTful Web Services using Jersey JAX-RS.
Collaborated on the integration of UFRN's systems with other academic and administrative institutions.

PostgreSQLJBoss Application ServerJSFSpring BootJava DevelopmentJava