Senior Ruby on Rails lead Engineer Portsmouth, NH

We are looking for an experienced Senior Ruby on Rails Lead Engineer to design, develop, and maintain scalable, secure, and high-performing web applications. The ideal candidate will bring strong Ruby on Rails expertise, API development experience, system design skills, and technical leadership capabilities., Design, develop, and maintain web applications using Ruby on Rails.

Build and support RESTful APIs and integrations with internal and external systems.

Lead architecture and system design discussions for scalable, secure, and high-performing applications.

Optimize application performance, database design, and code quality.

Collaborate with cross-functional teams in an agile environment.

Conduct code reviews, mentor developers, and promote engineering best practices.

Support CI/CD processes, AWS cloud deployments, and production issue resolution.

Monitor and troubleshoot applications using logging and monitoring tools.

Software development experience with strong expertise in Ruby on Rails.

Extensive experience in API development, micro services, and system integrations.

Strong knowledge of PostgreSQL, MS SQL Server, Redis, and Sidekiq.

Experience with AWS, Cloud Foundry, Docker, and CI/CD pipelines.

Strong understanding of System Design, Architecture Patterns, OOP, Design Patterns, and SOLID principles.

Proficiency with Git, RSpec, automated testing, and agile methodologies.

Experience with application monitoring and log analysis using splunk.

Preferred Skills

Experience leading development teams and mentoring engineers.

Exposure to Ruby on Rails, AWS cloud, Kubernetes, Kafka, GraphQL, and Terraform, Open Search, Elastic Search.

Knowledge of application security, OAuth2, JWT, and cloud-native architectures