Remote Ruby on Rails Developer (AI Focused) USA

The Fox; Hulton Lane Ends; Remote; GBP 90,000 - 128,000; Full time

Job summary

RemoteStar is hiring for a backend/AI engineer to design and implement AI-powered features within our SaaS platform. You will collaborate with product teams to translate business problems into AI-driven solutions, build scalable backend services, and ensure reliability, security, and cost-efficiency of AI components in production.

You will work on integrating LLMs and ML models, evaluating tools and APIs, and embedding AI into existing applications without compromising stability.

Qualifications

• 3+ years of experience as a software engineer in a SaaS or cloud-based environment.
• Strong backend engineering experience (RoR and/or Golang preferred).
• Experience integrating APIs and working within distributed systems.
• Hands-on experience with AI/ML tools (e.g., OpenAI, Anthropic, Hugging Face, or similar).
• Experience building or integrating AI-powered features into applications (not just experimentation).
• Strong understanding of data flow, system design, and performance optimization.
• Experience with microservices architecture, Kubernetes, and CI/CD pipelines.
• Experience deploying applications in Azure or similar cloud environments.
• Strong problem-solving skills with ability to work in ambiguous, fast-moving environments.
• Builder mindset: turn ideas into working features quickly.
• Pragmatic approach to AI (focus on value, not hype).
• Ability to work independently in a contract environment while collaborating with internal teams.
• Strong communication skills and ability to explain AI concepts to non-technical stakeholders.

Responsibilities

• Design and implement AI-powered features within the platform (e.g., automation, recommendations, copilots).

Skills

RoR

Golang

Backend development

API integration

AI/ML tools

Distributed systems

Kubernetes

CI/CD

Azure

SQL

Prompt engineering

Tools

OpenAI

Anthropic

Hugging Face

Job description

Integrate LLMs and/or ML models into existing services and workflows Evaluate, select, and optimize AI tools, APIs, and frameworks for production use Collaborate with Product to translate business problems into AI-driven solutions Build and maintain scalable backend services to support AI functionality Profile, test, and optimize performance of AI-integrated systems Ensure reliability, security, and cost-efficiency of AI components in production Contribute to architecture decisions around AI integration and system design Partner with engineering teams to embed AI into existing applications without degrading stability

Requirements

Requirements 3+ years of experience as a software engineer in a SaaS or cloud-based environment Strong backend engineering experience (RoR and/or Golang preferred) Experience integrating APIs and working within distributed systems Hands-on experience with AI/ML tools (e.g., OpenAI, Anthropic, Hugging Face, or similar) Experience building or integrating, AI-powered features into applications (not just experimentation, Strong understanding of data flow, system design, and performance optimization Experience with relational databases (SQL Server or similar) Familiarity with microservices architecture, Kubernetes, and CI/CD pipelines Experience deploying applications in Azure or similar cloud environments Strong problem-solving skills with ability to work in ambiguous, fast-moving environments Builder mindset someone who can take an idea and turn it into a working feature quickly Pragmatic approach to AI (focus on value, not hype) Ability to work independently in a contract environment while collaborating closely with internal teams Strong communication skills and ability to explain AI concepts to non-technical stakeholders Preferred Experience with prompt engineering, embeddings, or retrieval-augmented generation (RAG) Exposure to model evaluation, fine-tuning, or AI performance monitoring Experience with event-driven architectures or real-time data processing processing Background in energy, fintech, or other complex data-driven industries

At RemoteStar , we’re currently hiring for one of our clients based in Houston, TX. Years of experience: 3 to 5 years Location: USA About Client: A fast-growing US-based SaaS company is transforming how energy firms manage operations. Their end-to-end ERP platform streamlines field data, production, finance, land, and compliance, delivering real-time insights and operational efficiency. With a strong client base and innovative tech, they re redefining digital transformation in the energy and utilities sector. You ll design and implement AI-driven functionality that improves automation and user experience. This includes leveraging LLMs, machine learning models, and modern AI tooling within a production SaaS environment. This is a hands-on role for someone who can move quickly, make pragmatic decisions, and bring AI concepts into real, scalable product features.

Responsibilities

Design and implement AI-powered features within the platform (e.g., automation, recommendations, copilots)