π https://jonathancosta.dev
Senior Software Developer
Designing and building reliable backend systems and scalable web platforms.
I am a software developer with a strong focus on backend engineering, APIs, and data-driven systems. My experience spans startups, agencies, and distributed teams, where Iβve worked on projects that prioritize performance, security, and maintainability.
I approach software with a pragmatic mindset, favoring clear architecture, well-defined boundaries, and readable code.
Languages & Runtime
- Node.js, TypeScript, PHP
Backend & APIs
- REST and GraphQL APIs
- Authentication and authorization
- Input validation and rate limiting
- Background processing and integrations
Data & Storage
- PostgreSQL
- Redis
- Data modeling and query optimization
Infrastructure
- Docker and containerized environments
- CI/CD pipelines
- Linux-based systems
Engineering Practices
- Modular and service-oriented architecture
- Performance and scalability considerations
- Security-first development
- Emphasis on maintainable, documented code
- Experience in remote, hybrid, and on-site environments
- Comfortable collaborating across engineering, product, and design
- Used to owning features end-to-end
- Preference for simplicity, clarity, and long-term solutions
Based in New Jersey, USA
This profile reflects a focus on engineering fundamentals, consistency, and craftsmanship.