ZipRecruiter

Log In

1

Freelance Computer Programming Jobs in Castro Valley, CA

Solomon Page

Full Stack Developer

San Francisco, CA · On-site

$80/hr

Bachelor's degree in Computer Science, Finance, or a related field. * 10+ years of progressive ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Google

Head of AI Documentation

Sunnyvale, CA · On-site

... developer documentation, Computer Science course material, or IT administration playbooks ... Oversee freelance relationships and negotiate vendor agreements to secure specialized technical ...

Solomon Page

Technical Program Manager

San Francisco, CA · On-site

$151K - $196K/yr

Bachelor's degree in Computer Science, Information Technology, Engineering, Business, or a related ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

New

All JobsComputer Programming JobsFreelance Computer Programming JobsFreelance Computer Programming Jobs in Castro Valley, CA

Freelance Computer Programming information

See Castro Valley, CA salary details

$17

$55

$152

How much do freelance computer programming jobs pay per hour?

As of Jul 30, 2026, the average hourly pay for freelance computer programming in Castro Valley, CA is $55.05, according to ZipRecruiter salary data. Most workers in this role earn between $28.03 and $71.30 per hour, depending on experience, location, and employer.

What is the difference between Freelance Computer Programming vs Software Developer?

AspectFreelance Computer ProgrammingSoftware Developer
CredentialsTypically self-taught or with coding bootcamps; no formal degree requiredOften holds a bachelor's or higher degree in computer science or related fields
Work EnvironmentIndependent, remote, project-basedEmployed by a company, often in an office or hybrid setting
Employer & Industry UsageClients across various industries; freelance platformsTech companies, startups, corporations
Search & Comparison IntentLooking for flexible, project-based work or freelance opportunitiesSeeking full-time or salaried roles in software development

Freelance Computer Programmers work independently on diverse projects for various clients, often remotely and without formal employment. Software Developers are typically employed by organizations, working within teams to develop software products. Both roles require programming skills, but their work settings and employment structures differ significantly.

What is freelance computer programming?

Freelance computer programming involves working independently as a programmer or developer, rather than being employed by a single company. Freelancers take on projects from various clients, which can range from building websites and applications to troubleshooting software and writing code for specific tasks. This type of work offers flexibility in choosing projects, setting schedules, and working remotely. However, it also requires managing your own business tasks, such as finding clients, negotiating contracts, and handling taxes.

What are common challenges freelance computer programmers face when managing multiple clients simultaneously?

Freelance computer programmers often juggle several projects and clients at once, which can present challenges such as balancing deadlines, prioritizing tasks, and maintaining clear communication. Effective time management and organizational skills are crucial to ensure that deliverables are met and client expectations are managed. Additionally, freelancers must be proactive in setting boundaries and clarifying project scopes to avoid scope creep and ensure a healthy work-life balance. Building transparent communication channels with clients helps prevent misunderstandings and fosters long-term professional relationships.

What are the key skills and qualifications needed to thrive as a Freelance Computer Programmer, and why are they important?

To thrive as a Freelance Computer Programmer, you need strong coding abilities in relevant programming languages, problem-solving skills, and a solid understanding of software development principles, typically supported by a degree or equivalent practical experience. Familiarity with version control systems (like Git), project management tools, and knowledge of frameworks or platforms specific to your niche is highly valued. Excellent communication, time management, and self-motivation are essential soft skills for managing client relationships and deadlines. These skills ensure you can deliver high-quality solutions, maintain client satisfaction, and succeed in a competitive freelance market.
What cities near Castro Valley, CA are hiring for Freelance Computer Programming jobs? Cities near Castro Valley, CA with the most Freelance Computer Programming job openings:
Freelance Computer Programming jobs near you
Infographic showing various Freelance Computer Programming job openings in Castro Valley, CA as of July 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $114,504 per year, or $55 per hour.

Developer - (Bot Developer) Freelance/Remote 100+ openings

Braintrust

San Francisco, CA • On-site

Other

This job post has expired today. Applications are no longer accepted.

Job description

Open to candidates in the North America, South America, Asia and Europe.
Description

Mindrift (Toloka) is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to build conversational bots and messaging-platform integrations within our hybrid AI + human environment. In this role, as an AI Pilot – that's how we refer to this position at Mindrift – you'll collaborate with Agents that handle repetitive tasks, while you provide bot engineering expertise, conversational design judgment, and quality control to ensure bots are reliable, useful, and ready for real users. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. 


What We Do 

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.


About the Role 

As a Bot Developer, you'll design, build, and refine messaging bots across WhatsApp, Telegram, Discord, and similar platforms — for use cases such as customer service, appointment booking, order taking, content delivery, moderation, and automated notifications. 


Key Responsibilities

  • Build bots for WhatsApp (Business API / Cloud API), Telegram (Bot API), Discord, and similar messaging platforms.
  • Design and implement conversational flows, dialogue state, and fallback handling.
  • Integrate bots with LLMs (OpenAI, Anthropic, or similar) for natural language responses where appropriate.
  • Connect bots to backend services, databases, CRMs, and third-party APIs (booking systems, payment, content sources).
  • Handle webhooks, rate limits, and platform-specific message formats (interactive messages, buttons, media, templates).
  • Evaluate AI-generated bot code and refactor it for correctness, reliability, and graceful error handling.
  • Implement logging, monitoring, and recovery so bots stay healthy in production.


Requirements and benefits

Educational qualifications

  • At least 3 years of relevant experience backend, integration, automation, or bot development experience (required).
  • Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.

Academic and/or Professional Experience

Candidates should have a strong foundation in bot development, messaging platform integrations, and building reliable conversational workflows. We are looking for specialists who can design and maintain production-ready bots, work confidently with APIs, webhooks, and backend services, and refine AI-assisted output into stable, user-friendly experiences. Strong problem-solving skills, attention to detail, and the ability to work independently are essential.

Technical Skills (Essential)

  • At least 1 year of hands-on experience building bots for major messaging platforms (WhatsApp, Telegram, Discord, Slack, or similar) is required
  • Strong command of Python or Node.js for backend bot logic.
  • Solid experience with REST APIs, webhooks, OAuth, and async request handling.
  • Experience with relational or NoSQL databases for storing conversation state and user data.
  • Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design for conversational use is a strong plus.
  • Understanding of platform-specific limits, message templates, and approval flows (e.g., WhatsApp template messages).
  • Experience with hosting and deployment (Docker, serverless, VPS, or PaaS)

Additional requirements

  • Strong attention to detail and commitment to bot reliability — no silent failures, no broken flows.
  • Self-directed work ethic with the ability to design and ship complete bots independently.
  • Portfolio or examples of bots you've built (required).
  • English proficiency: Upper-intermediate (B2) or above (required).


Project time expectations 

For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. 


Hiring & Onboarding Process

The process is designed to move quickly and typically includes the following steps:

  1. App review and invitation to a virtual project introduction session (approximately 30 minutes)
  2. Platform registration and identity verification
  3. Technical assessment (approximately 35 minutes)
  4. Background check (completed at no cost to candidates)
  5. Onboarding and project-specific training tasks
  6. Begin production work!
Additional Requirements
  • Willingness to complete identity verification as part of the onboarding process.
  • Ability to complete a technical assessment.
  • Willingness to join and participate in Discord, which will be used for project communication and updates.
  • Successful completion of a background check is required prior to onboarding.
  • Reliable internet connection and ability to communicate effectively in a remote environment.

Apply