Senior Full Stack Engineer

Role Description

As a Senior Full Stack Engineer, you will play a critical role in designing, building, and supporting the mission-critical applications that power the Sophia learning platform. You will take ownership of technical decisions, mentor other engineers, and collaborate closely with product and business stakeholders to translate complex requirements into scalable, reliable solutions.

• Design, develop, and deliver full-stack features across Ruby and JavaScript applications, spanning database, backend, and user interface layers
• Own technical direction by evaluating trade-offs, recommending solutions, and establishing scalable patterns and best practices
• Collaborate cross-functionally with product managers, business analysts, QA, and engineering partners to shape requirements and deliver iterative releases
• Practice and promote Agile development methodologies, including Test-Driven Development (TDD), automated testing, and CI/CD pipelines
• Participate in software releases, partner with QA on test plans, and assist with implementation planning
• Troubleshoot and resolve production issues, perform root cause analysis, and recommend long-term solutions
• Provide level 3 production support for enterprise applications after release
• Mentor and elevate other engineers through code reviews, pairing, and technical guidance
• Participate in the continuous evolution of engineering standards, development workflows, and system reliability
• Explore and apply AI capabilities, showing curiosity and enthusiasm for integrating AI-powered features and AI-assisted development workflows into the platform

Qualifications

• Demonstrated proficiency in Ruby and JavaScript
• Experience designing and developing across all tiers of modern web applications
• Strong understanding of object-oriented programming principles and established design patterns
• Experience working with relational databases, including writing complex SQL queries, with familiarity in NoSQL technologies
• Knowledge of responsive web design principles and modern front-end frameworks
• Experience with cloud platforms, such as Amazon Web Services (AWS) and/or Google Cloud Platform (GCP)
• Familiarity with containerization and orchestration technologies, including Docker and Kubernetes, as well as cloud-native architectures
• Experience with CI/CD pipelines, automated build and deployment processes, and version control systems (e.g., Git)
• Experience working in Agile development environments, utilizing tools such as Jira
• Exposure to, or a demonstrated interest in, emerging Agentic Engineering principles

Requirements

• Minimum of 5 years of experience in the design, development, and implementation of web applications
• At least 5 years of hands-on experience with Ruby and JavaScript
• Minimum of 2 years of experience working with AWS or GCP infrastructure
• Experience applying Test-Driven Development (TDD) practices and building automated solutions

Preferred Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related discipline
• Relevant cloud certifications (e.g., AWS Certified Solutions Architect, Google Cloud Professional certifications)
• Experience with AI/ML tools, APIs, or AI-assisted development workflows
• Demonstrated involvement in system architecture, technical decision-making, or long-term platform strategy

Other

• Must be able to travel up to 10% of the time.
• Must be able to lift 25 lbs.
• Typical office setting.
• Mobility within the office including movement from floor to floor.
• Travel via plane, car, and metro may be required to perform this job.
• Must be able to work more than 40 hours per week when business needs warrant.
• Access information using a computer.
• Effectively communicate, both up and down the management chain.
• Effectively cope with stressful situations.
• Strong mental acuity.
• Regular, dependable attendance and punctuality are essential functions of this job.
• Other essential functions and marginal job functions are subject to modification.

Benefits

• Comprehensive package of benefits for employees scheduled 30 hours or more per week
• Medical, dental, vision, life and disability plans
• Well-being incentives
• Parental leave
• Paid time off and certain paid holidays
• Tax saving accounts (FSA, HSA)
• 401(k) retirement benefit
• Employee Stock Purchase Plan
• Tuition assistance
• Entertainment and retail discounts
• Non-exempt employees are eligible for overtime pay, if applicable