Nuno Teixeira
@nunoteixeira1
Senior backend engineer specializing in performance, pricing logic, and scalable Java/Spring systems.
PortugalWhat I'm looking for
I’m a Senior Backend Software Engineer with 7+ years of experience designing and evolving Java/Spring Boot systems in production environments. I currently own backend domain logic powering multi-market lead generation and quote systems across Europe, LATAM, MENA, and Africa.
I focus on performance optimization, revenue-critical pricing logic, and backend maintainability. I reduced critical API latency by 90%+ (5s → <500ms) through caching strategies, query optimization, and architectural refactoring.
I’ve led migrations of complex business logic from frontend applications into backend services to improve maintainability, scalability, and consistency of multi-market pricing workflows. As a cross-squad escalation point, I proactively monitor system health and resolve cross-domain operational issues.
I also strengthen operational visibility through automation and monitoring initiatives, including health-check queries and Slack integrations. I’ve contributed to backend redesign of Kaplan quote tools, collaborated with Salesforce engineering teams to improve lead scoring and data consistency, and supported AI-assisted development work where I integrated GitHub Actions and Jira to automate PR creation and engineering workflows.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Kaplan Languages
Sep 2023 - Present (2 years 9 months)
Owned backend domain logic powering multi-market lead generation and quote workflows, including market-specific pricing rules and currency conversion. Reduced critical API latency by 90%+ (5s to under 500ms) via caching, query optimization, and architectural refactoring.
Software Engineer
Kaplan Singapore
Jan 2023 - Aug 2023 (7 months)
Developed backend components for Singapore-specific business logic within a shared REST API platform. Implemented features based on client requirements and contributed to CI/CD workflows and code reviews.
Software Engineer
Vromo
Apr 2022 - Dec 2022 (8 months)
Developed and maintained backend services in Java within distributed systems, delivering production feature enhancements. Strengthened logging and observability to improve API reliability.
Software & Site Reliability Engineer
Klx, S.A.
Jul 2021 - Mar 2022 (8 months)
Supported backend system reliability and automated infrastructure initiatives. Automated environment configuration using Docker and assisted with infrastructure provisioning using Terraform while improving ELK-based observability.
Backend Developer
Everis – High Performance Center
May 2019 - Jan 2021 (1 year 8 months)
Developed enterprise backend systems using Java and RESTful architectures, integrating multiple relational databases. Applied structured testing practices and collaborated in Agile development environments.
Education
Degrees, certifications, and relevant coursework
Academia de Código
Programming Bootcamp, Programming
2019 -
Completed a programming bootcamp in Lisbon in January 2019.
Instituto Politécnico de Setúbal
Computer Engineering (coursework), Computer Engineering
2016 - 2018
Undertook studies in Computer Engineering from 2016 to 2018, covering subjects such as data structures, algorithms, and computer networks.
Tech stack
Software and tools used professionally
Availability
Location
PortugalAuthorized to work in
Salary expectations
Job categories
Skills
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