Senior Ruby on Rails Lead Engineer

Capgemini; Portsmouth (NH); On-site; USD 44,000 - 69,000; Full time

Job summary

Tundra Technical Solutions seeks a Senior Ruby on Rails Lead Engineer for a contracting engagement in Portsmouth, NH. You will design, build, and maintain scalable web apps, lead architecture decisions, and mentor the team in an Agile setup.

Responsibilities include API development, system integrations, and production support in AWS/Cloud Foundry environments, with emphasis on performance, security, and reliability.

Qualifications

• Strong Ruby on Rails experience with API development and microservices.
• Knowledge of relational databases: PostgreSQL and MS SQL Server.
• Experience with AWS, Docker, CI/CD and cloud deployments.
• Familiarity with testing (RSpec) and Agile methodologies.

Responsibilities

• Design, develop, and maintain web apps using Ruby on Rails.
• Lead API development and integrations with internal/external systems.
• Steer architecture discussions for scalable, secure apps.
• Improve performance, data modeling, and code quality.
• Mentor engineers and conduct code reviews in Agile teams.
• Support CI/CD, AWS deployments, and issue resolution.
• Monitor apps with logging/monitoring tools.

Skills

Ruby on Rails

API development

Microservices

System integrations

PostgreSQL

MS SQL Server

Redis

Sidekiq

AWS

CI/CD

Cloud Foundry

Docker

Git

RSpec

Agile

Tools

Terraform Cloud

Job description

Senior Ruby on Rails Lead Engineer (Contract)

Portsmouth, NH, United States (On-site)

Contract (7 months 29 days)

Published 2 days ago

Containers & Orchestration

DevOps & CI/CD

Terraform Cloud

API Security & Authentication

splunk

We are seeking an experienced Senior Ruby on Rails Lead Engineer with software development experience to design, develop, and maintain scalable web applications. The ideal candidate will provide technical leadership, drive architecture and design decisions, mentor team members, and deliver high-quality solutions.

Key Responsibilities:

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.

Required Skills:

Software development experience with strong expertise in Ruby on Rails.

Extensive experience in API development, microservices, 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, OpenSesrch, ElasticSearch.

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

The pay range that the employer in good faith reasonably expects to pay for this position is $31.78/hour - $49.66/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.

Tundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.