Ruby on Rails Developer jobs in Castro

Role: Ruby Lead Duration: 12 Months Necessary Skills • Experience building GraphQL APIs for consumption by Single Page Applications • Experience working with Ruby on Rails • Expert in SQL, specifically Postgres • Passionate about user experience, and not shy to give your input • Comfortable working

Qualifications: 10+ years of experience in software development and architecture. Proven experience with both Ruby on Rails and Java-based architectures. Strong background in system integration, microservices, APIs, and cloud-based deployments. Excellent communication and stakeholder management skil

Contract Remote Role Description As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce

*Why This Role Exists** Software engineering is rapidly shifting toward AI-native development—where systems aren’t just written with AI assistance, but where AI becomes part of the architecture itself. We're looking for an engineer who has already gone deep into building with AI. You may not have sp

*About Gusto** At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff—like payroll, health insurance, 401(k)s, and HR—so owners can focus on their craft and customers. With teams in Denver, San Francisco, and New York, we're proud to support more than 400,000 small

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff—like payroll, health insurance, 401(k)s, and HR—so owners can focus on their craft and customers. With teams in Denver, San Francisco, and New York, we’re proud to support more than 400,000 small bu

The Apple Services Engineering team is an exciting example of Apple’s long-held passion for combining art and technology. These are the people who power the App Store, Apple TV, Apple Music, Apple Podcasts, Apple Books, and more. They deliver secure, end-to-end solutions with an unwavering commitmen

Contract Remote Role Description As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce

Contract Remote Role Description As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce

Hello All, Greetings from Rootshell Inc. Rootshell Enterprise Technologies Inc. is a recognized provider of professional IT Consulting services in the US. We are actively seeking Fullstack Developer (Backend Dev) for one of our client, Please share your resume with current location & full contac

Ophthalmology Part Time 86921BR Job Summary Under direct supervision, applies professional programming concepts and established UCSF policies to assigned tasks within the Shan Lab. Works on well-defined projects of limited scope, with a focus on developing software that applies AI to medicine in are

*CNC Programmer** *Department:** **Machine Shop** **Reports To:** **Gemeral Manager** *Location:** **On-Site – Newark, CA/ Hybrid** **Travel:** **Negligible** *FLSA:** **Salary, Full-Time, Exempt** **Revision Date:** **February 2026** *About Vitesse:** How we communicate, capture, and share informat

Date Posted: 03/27/2026 Hiring Organization: Rose International Position Number: 499039 Industry: Utility Job Title: Instructional Designer Training Curriculum Dev Job Location: Livermore, CA, USA, 94550 Work Model: Hybrid Work Model Details: Hybrid-90% Remote/10% Shift: 8:00 AM to 5:00 PM (PST) Mon

Welcome to Warner Bros. Discovery… the stuff dreams are made of. Who We Are… When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brand

Welcome to Warner Bros. Discovery… the stuff dreams are made of. Who We Are… When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brand

*Leading the future in luxury electric and mobility** At Lucid, we set out to introduce the most captivating, luxury electric vehicles that elevate the human experience and transcend the perceived limitations of space, performance, and intelligence. Vehicles that are intuitive, liberating, and desig

Job Description Data Standards & Harmonization • Lead end-to-end mapping and transformation of SDTM domains • Ensure compliance with: ○ CDISC SDTM standards ○ Sponsor-specific controlled terminology and structure • Perform consistency checks against previously harmonized datasets • Support harmo

*Job Overview** We are seeking a skilled CNC Programmer to join our dynamic team. The ideal candidate will have a strong background in CNC programming and machining processes, with the ability to interpret technical drawings and specifications. This role is essential in ensuring precision and effici

The Position Bargaining Unit: Local 21 - Supervisory Management Why join Contra Costa County? Contra Costa County provides an array of services to its residents and is seeking dedicated individuals with a passion for public service. We pride ourselves on improving the quality of life for our residen

*Org Marketing Statement** Founded in 1917, Parker Hannifin Corporation is a $19.9 billion global company. With annual sales of $19.9 billion in fiscal year 2024, Parker Hannifin is the world's leading diversified manufacturer of motion and control technologies and systems, providing precision-engin