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I am a senior software engineer specializing in PHP web development for membership and content platforms, delivering secure, high-availability experiences with MySQL, JavaScript, and modern web standards. I own end-to-end delivery across cloud infrastructure, CI/CD, observability, and performance tuning, and I enjoy partnering with non-technical stakeholders. I also apply practical AI/ML techniques to improve support workflows, content operations, and user engagement while upholding security and accessibility practices.…I am a senior software engineer specializing in PHP web development for membership and content platforms, delivering secure, high-availability experiences with MySQL, JavaScript, and modern web standards. I own end-to-end delivery across cloud infrastructure, CI/CD, observability, and performance tuning, and I enjoy partnering with non-technical stakeholders. I also apply practical AI/ML techniques to improve support workflows, content operations, and user engagement while upholding security and accessibility practices.

Nathan Colley

Full Stack Developer, Back-End Developer, DevOps Developer, +5

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I am a senior software engineer specializing in PHP web development for membership and content platforms, delivering secure, high-availability experiences with MySQL, JavaScript, and modern web standards. I own end-to-end delivery across cloud infrastructure, CI/CD, observability, and performance tuning, and I enjoy partnering with non-technical stakeholders. I also apply practical AI/ML techniques to improve support workflows, content operations, and user engagement while upholding security and accessibility practices.…I am a senior software engineer specializing in PHP web development for membership and content platforms, delivering secure, high-availability experiences with MySQL, JavaScript, and modern web standards. I own end-to-end delivery across cloud infrastructure, CI/CD, observability, and performance tuning, and I enjoy partnering with non-technical stakeholders. I also apply practical AI/ML techniques to improve support workflows, content operations, and user engagement while upholding security and accessibility practices.

Available to hire

I am a senior software engineer specializing in PHP web development for membership and content platforms, delivering secure, high-availability experiences with MySQL, JavaScript, and modern web standards.

I own end-to-end delivery across cloud infrastructure, CI/CD, observability, and performance tuning, and I enjoy partnering with non-technical stakeholders. I also apply practical AI/ML techniques to improve support workflows, content operations, and user engagement while upholding security and accessibility practices.

Skills

Experience Level

Expert

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Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Cognizant

August 1, 2021 - February 1, 2026

Led end-to-end delivery of Node.js (TypeScript) backend services and React UIs for multiple client workstreams, standardizing patterns for REST APIs, auth, and error handling to reduce onboarding time. Architected scalable service boundaries and data flows using PostgreSQL, Redis, and Docker, improving p95 API latency through query tuning and caching. Implemented OAuth2/OIDC, JWT, and fine‑grained RBAC with OWASP-aligned security and structured ELK logging. Built cloud-native deployments on AWS (ECS/Lambda, API Gateway, RDS, S3, CloudWatch) and automated environments with Terraform. Established CI/CD with GitHub Actions and Jenkins, driving faster release cycles and quality gates. Introduced observability using OpenTelemetry, Prometheus, and Grafana dashboards with SLOs, reducing MTTD. Delivered AI-assisted workflow automation via an LLM-backed summarization/classification service (Python FastAPI) to triage inbound requests, cutting manual review by ~25%. Prototyped anomaly detection

Senior Software Engineer at Accenture

February 1, 2017 - July 1, 2021

Developed and maintained full‑stack applications with Node.js/Express services and Angular frontends. Designed and documented RESTful APIs (OpenAPI/Swagger) with versioning and backward compatibility to reduce client integration regressions. Optimized data access across MySQL/PostgreSQL and added Redis caching to improve peak throughput ~2x. Implemented robust testing with Jest, Cypress, and integration tests, raising automated coverage. Containerized services with Docker and orchestrated on Kubernetes, improving environment parity. Engaged with clients in technical reviews to provide architectural guidance and delivery updates across time zones.

Software Engineer at IBM Consulting

July 1, 2014 - January 1, 2017

Built backend components and integrations using Python and Node.js, delivering REST APIs and batch jobs. Designed database schemas and migrations for PostgreSQL and MongoDB, with indexing and refactoring to reduce slow queries. Supported production operations with structured logging/monitoring (ELK-style), troubleshooting incidents to improve stability. Contributed to secure coding practices and peer reviews, aligning with OWASP guidance and improving maintainability through standardized practices.