Senior Backend Engineer - Ruby on Rails

What You'll Do Design and build scalable backend solutions using Ruby on Rails. Own technical architecture, API design, data models, and legacy modernization initiatives. Lead technical design discussions and document solutions for complex engineering challenges. Review code, mentor engineers, and raise the bar for engineering quality. Collaborate with Product, Design, and Engineering teams in an Agile environment. Diagnose production issues using AWS and Datadog. Drive technical improvements beyond assigned work and proactively identify opportunities to improve the platform. Required Skills Expert-level Ruby on Rails development experience. Strong system design and software architecture experience. Experience designing APIs, database schemas, and complex backend systems. Proven ability to work autonomously and drive initiatives from idea through implementation. Strong code review, mentoring, and cross-team technical collaboration skills. Comfortable working in Scrum/Agile environments. Experience working with AWS and Datadog (or similar observability tools). AI fluency: Expert user of generative AI development tools with experience leveraging AI—including multi-agent orchestration—to accelerate software development. AI leadership: Proven ability to mentor engineers on AI-assisted development, establish team best practices, and drive adoption of effective AI engineering workflows. Nice to Have Experience with ReactJS. Experience modernizing legacy applications. B2B SaaS or PropTech experience. Experience building highly scalable cloud applications. Moxians Are Covered: All benefits are subject to review on an annual basis whereas we continuously assess our total reward proposition aligning with the needs of our people, our business and the market. Benefits are offered 1st of the month. View full benefit program here - Sequoia Medical/Dental/Vision Paid Time Off Holiday Pay-11 days Breavement-3 days Get paid on your birthday STD/LTD-company paid Supplemental Life, Critical Illness, Accident PerkSpot Employee Assistance Program Wellbeing Program Discounted Pet Insurance Office Lunch Employee Engagement Programs Note: benefits may vary by country and region we operate in. EEO Statement: MoxiWorks is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, gender, religion, sex, sexual orientation, age, disability, military status, or national origin or any other characteristic protected under federal, state, or applicable local law. As part of the employment process, MoxiWorks conducts comprehensive background checks on all final candidates for employment. The background check process may include a review of criminal history, credit history, employment verification, education verification, and other relevant information. MoxiWorks is committed to complying with all applicable federal, state, and local laws concerning background checks. We ensure that our background check process is fair, consistent, and transparent, and we follow all legal requirements regarding the timing and scope of such checks.

Design and build scalable backend solutions and technical architecture using Ruby on Rails. Lead technical design discussions, mentor engineers, and collaborate with cross-functional teams in an Agile environment.

Requires expert-level Ruby on Rails experience and strong system design skills, including proficiency with AWS and Datadog. Candidates must demonstrate AI fluency in generative AI development tools and the ability to lead AI-assisted engineering workflows.

• Medical Insurance • Dental Insurance • Vision Insurance • Paid Time Off • Holiday Pay • Bereavement Leave • Birthday Paid Day Off • Short Term Disability • Long Term Disability • Supplemental Life Insurance • Critical Illness Insurance • Accident Insurance • PerkSpot • Employee Assistance Program • Wellbeing Program • Discounted Pet Insurance • Office Lunch • Employee Engagement Programs

• ReactPreferred

Identified from the job description. Confirm important requirements above.

• Ruby on Rails
• System Design
• Software Architecture
• API Design
• Database Schemas
• AWS
• Datadog
• Generative AI
• Multi-agent Orchestration
• Code Review
• Mentoring
• Agile
• Scrum
• ReactJS
• Legacy Modernization
• B2B SaaS
• Generative Artificial Intelligence
• Observability
• Workflow Management
• Time Off Management
• Technical Design
• Application Programming Interface (API)
• Multi-Agent Systems
• Agile Methodology
• Amazon Web Services
• Software Development
• Business To Business
• Software As A Service (SaaS)
• Cloud Applications
• Data Modeling
• Programming Tools
• Employee Assistance Programs
• Employee Engagement
• Leadership
• Scalability
• Mentorship
• Product Design
• Scrum (Software Development)
• Ruby On Rails
• Systems Design
• Collaboration
• React.js (Javascript Library)

• Software
• Technology
• Engineering
• Ruby on Rails Engineer
• Back End Developer / Engineer
• Web and Multimedia Developers
• Web Developers

Minimum experience

5+ years

Posting language

English

Working hours

40 hours per week