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Fabian Dios

@fabiandios

Message

Head of Backend at io.finnet, cutting core API latency to 25%–33% of previous levels.

Spain

Message

At io.finnet, I modernized backend architecture, reducing core API response latency to 25%–33% of previous baseline levels.

I also engineered and hardened Multi-Party Computation backend processes, achieving and maintaining a 99.9%+ production success rate. I standardized backend engineering workflows, technology stacks, and AWS infrastructure.

At io.finnet, I pioneered organization-wide use of Claude Code and OpenAI Codex to accelerate code generation, automated test coverage, and developer velocity.

Earlier, at Netex Software Company, Everis, and Vector Consultoría Tecnológica, I developed Java applications, microservices, and financial software. My experience includes the Spring ecosystem, distributed systems, and cloud infrastructure.

Experience

Work history, roles, and key accomplishments

Current

Head of Backend

Current

io.finnet

May 2023 - Present (3 years 5 months)

Spearheaded backend architectural modernization, reducing core API response latency to 25%–33% of previous baseline. Engineered and hardened Multi-Party Computation (MPC) backend processes, achieving 99.9%+ process success rate in production.

AWS Multi Party Computation API Optimization Claude Code OpenAI Codex AI assisted Development Distributed Systems Cloud Infrastructure

Senior Lead Software Engineer

io.finnet

Sep 2022 - May 2023 (8 months)

Led core backend development initiatives focusing on cloud-native distributed architecture and resilient AWS deployments. Guided technical execution, code reviews, and architectural decision-making while mentoring senior and mid-level engineers.

AWS Distributed Systems Cloud Native Architecture Code Review Mentorship Technical Leadership

Software Developer / Tech Lead

Netex Software Company

Jan 2017 - Sep 2022 (5 years 8 months)

Architected and developed enterprise Java applications using the Spring ecosystem. Designed scalable microservices and platform components, implementing clean code standards and rigorous automated testing.