Onward · 19 hours ago
Senior Back-End Engineer (Ruby/MLOps)
United States
Full-time
Remote
Senior Level
$125K/yr - $160K/yr
6+ years expOnward is a company focused on improving wellbeing through their Companion rideshare services and transportation management platform. They are seeking a Senior Back-End Engineer to build and scale features using Ruby on Rails and Postgres, focusing on moving machine learning models into production and optimizing geospatial routing services.
TransportationAutomotive
Responsibilities
Collaborate with Product Management and your fellow engineers to design features that address real-world challenges
Convert product requirements into Agile user stories with actionable implementation strategies
Write high-quality code to deliver fully tested, working features on time
Partner with the QA team to ensure every feature meets our quality standards
Develop a deep understanding of our existing applications, logic, and codebase
Troubleshoot and resolve issues in real time, ensuring applications run smoothly
Optimize performance by utilizing logging, monitoring tools, and resource tuning (databases, servers)
Participate in Agile development ceremonies like daily scrums, grooming, planning, and design sessions
Perform code reviews and share problem-solving strategies with your fellow engineers
Contribute to fostering a culture of technical excellence and innovation
Deliver scalable, maintainable solutions that align with our customers’ needs and our company’s mission
Continuously refine your skills, stay curious, and embrace new challenges
Qualification
Required
Back-End Mastery: Proficiency working with Postgres DB (hosted on AWS via Heroku), Ruby on Rails, and GraphQL APIs
Proven Experience: 6+ years of hands-on experience delivering software applications in production environments (healthcare or transportation industry experience is a plus)
Cloud Savvy: Experience working with cloud platforms, including automating resource provisioning and crafting cost-efficient solutions
Agile Advocate: Comfortable working in Agile environments (Scrum or Kanban), collaborating with diverse teammates and stakeholders
Track Record of Success: Proven ability to build and deploy commercially successful technology solutions
Customer-Focused Mindset: Passionate about creating intuitive, simple user experiences
Problem-Solving Pro: Adaptable, curious, and ready to tackle the unknown with confidence
Preferred
Advanced Degree: A Master's degree or PhD in Computer Science, Data Science, or a related technical field
Generative AI: Experience with LLMs and generative AI frameworks, including fine-tuning, prompt engineering, and model deployment
MLOps Strategy and Leadership: Design, define, and drive the technical strategy for our MLOps platform, focusing on automation, scalability, and best practices
Infrastructure Development: Design and build the core MLOps infrastructure, including automated pipelines for data processing, model training, evaluation, and deployment
ML Lifecycle Management: Own and optimize the complete ML lifecycle, from data ingestion and versioning to model serving and monitoring
Monitoring and Observability: Develop and implement robust monitoring, logging, and alerting systems to ensure the health, performance, and explainability of deployed ML models
Geospatial Optimization: Practical experience with geospatial & optimization (routing, assignment, queuing, etc.)
Benefits
Mission-Driven Impact: Build technology that removes barriers to care and connection
High-Growth Environment: Learn and grow within a scaling product and engineering organization
Strong Product Partnership: Work closely with a hands-on Sr. Director of Product
Collaborative Culture: Join a team committed to empathy, quality, and real-world outcomes
Company
Onward
Onward’s mission is to eradicate transportation as a social driver of health and alleviate the burden of caregiving.
11-50 employees
H1B Sponsorship
Onward has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (35)
2024 (47)
2023 (29)
2022 (52)
2021 (29)
2020 (30)
Funding
Current Stage
Early StageTotal Funding
$1.5MKey Investors
JBK Capital,Matchstick Ventures,Royal Street Ventures
2019-07-22Seed· $1.5M
Recent News
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