Hire the Best Linear Programmers

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Wai Lip T.

Kuala Lipis, Malaysia

$3/hr
5.0
125 jobs

I am an online Math Solver with experience in providing detailed explanations and solutions to Math problems in the field of Calculus, Differential Equations, Geometry and Statistics for online platforms including Photomath, GauthExpert and HelloExperts. If you need professional presentation of your Math assignment, I could also help you create solutions in the form of PDF files with standard Mathematical Symbols and Notations using the Math Editor or Latex. Moreover, I am a passionate self-taught game developer with experience in creating games using Pygame framework and Python programming language. I have several games including Let's Pong and Num Fun published on GameJolt and Itch.Io. On top of that, I am also an online math tutor providing tutorial sessions to undergraduates from different universities in the United States, Australia, Norway, Philippines, and Malaysia to guide them through university-level math topics like pre-calculus, calculus, multi-variable calculus, differential equations, numerical methods, and linear algebra. Besides, I am also part of a team specializing in creation and sales of math-related lesson materials (like notes, tutorial booklets, and assessment papers) for Australian tuition centers. So far, we have been creating booklets for year 7-8 students in math according to the Australian curriculum, which cover the fundamental topics like computation with integers, fraction, decimal, percentage, ratio and rate, linear relations, and algebra. In addition, we have also created challenging math question papers for tuition centers (with Olympiad level topics) for some other clients, covering more advanced topics like circles and geometry, congruence and similarity, trigonometry, trigonometric identities, indices and logarithms, statistics, differentiation and integration of polynomials, and applications of differentiation and integration.

  • Python
  • Integral Calculus
  • Statistics
  • Differential Calculus
  • Mathematics
  • Calculus
  • Algebra
  • Geometry
  • Coursework Assignment
  • Pygame
  • Game Design
  • Tutoring
  • Content Analysis
Riad M.

Algiers, Algeria

$17/hr
5.0
3 jobs

Hi, I'm Riad — an Electrical & Instrumentation Engineer and Python developer specializing in AI training and evaluation for technical, STEM-heavy domains. Most AI trainers can review generic code. I bring an actual engineering background — I can write, verify, and evaluate AI tasks in electronics, circuits, signal processing, and embedded systems with real domain accuracy, not just surface-level code correctness. I've designed computationally intensive STEM tasks (AC circuits, MOSFET systems, adaptive filters, power electronics, GPU/hardware systems) for AI model evaluation, and completed Python programming and code review projects for enterprise clients. What I offer: -----AI Training & Technical Evaluation:----- Python programming tasks for AI model training and fine-tuning Code quality review and evaluation for LLM datasets Task design and QA for computationally intensive technical domains: electrical engineering, circuits, signal processing, embedded systems, control systems Data annotation and labeling with real subject-matter accuracy, not just formatting -----Engineering Background:----- Electronics & Instrumentation Engineering degree — hands-on experience with circuit design, PCB layout, embedded firmware, and signal processing (filtering, DSP) Strong in Python (NumPy, SciPy, Pandas, Matplotlib), C++, and technical simulation tools (MATLAB, Simulink, Proteus) Experience with RLHF-style evaluation, structured rubric scoring, and precision/determinism requirements for technical AI tasks I've completed AI training projects for Upwork enterprise clients (Alignerr/Labelbox, LBLX116 programmer tasks), delivering accurate, well-documented work on tight turnarounds. Reliable communicator, fast responder, available for project-based or ongoing work.

  • Python
  • Embedded System
  • ESP32
  • Arduino
  • Arduino IDE
  • Raspberry Pi
  • C++
  • PCB Design
  • MATLAB
  • Microcontroller Programming
  • Printed Circuit Board
Josh R.

North Saint Paul, Minnesota

$200/hr
4.8
78 jobs

Leadership: Have led a team of statisticians in supporting statistical activities in 2 therapeutic area portfolios and programmers supporting regulatory reporting for over 100 clinical trials Technical: Strong experience in providing lead statistical support for regulatory activities such as FDA Panel meetings, in-person FDA meetings, PMA submissions, FDA study design conference calls, FDA deficiency responses and regulatory report submissions Programming: SAS (10+ years) and experience using R

  • Biostatistics
  • Statistical Programming
  • Linear Regression
  • Multivariate Statistics
  • Scientific Research
  • Statistical Computing
  • Logistic Regression
Thi Thuy Dung N.

Nha Trang, Vietnam

$17/hr
4.9
285 jobs

Hi! I am a mathematician specializing in teaching and developing educational material. I can help with theoretical and practical math problems both related to Linear Algebra and Probability and Statistics. Besides, I have broad expertise in statistical modeling and machine learning as well. This includes working with mathematically modelling, optimization algorithms, data engineering and analysis. I am more than happy to get into further discussions or any trials so we can make sure for a smooth progress in the work. Looking forward to working with you!

  • Data Analysis
  • Statistics
  • Statistical Analysis
  • Research Papers
  • Mathematics Tutoring
Abdul H.

Multan, Pakistan

$10/hr
4.9
96 jobs

Seeking Assistance with Mathematics and Statistics Coursework, Exams, Quizzes, Assignments, or full semester support? Look no further! With top-rated proficiency in Mathematics 🧠, I am dedicated to elevating your academic performance and helping you excel in your studies. I am currently pursuing a Ph.D. in Mathematics and a dedicated visiting lecturer at a reputable university. With over 6+ years of experience tutoring students from age 7 to university level. I teach worldwide students like USA, UK, KSA, Canada, Germany, Ireland, Australia, UAE, Singapore and different other countries of the world. My approach is patient, personalized, and results-driven. Whether you need help with foundational topics or advanced university-level subjects, I’ve got you covered! I offer expert guidance in: - Calculus 1, 2 & 3 - Discrete Mathematics - Computational Mathematics - Statistics - Probability - Linear Algebra - Ordinary Differential Equation(ODE) - Partial Differential Equation(PDE) - Optimization Theory - Group Theory - Bell and Stirling Number - Vector Analysis - Vector Tensor - Topology - Functional Analysis - Modeling and simulation - Real Analysis - Control Theory - Finance Mathematics Standardized Test Support: I also provide comprehensive preparation for SAT, ACT, GRE, GED, O/A Levels, GCSE, IGCSE, IB Math, and other STEM exams. My teaching style is: -Patient and concept-focused - Tailored to your individual learning style - Structured around clear objectives and real-world applications - Aligned with international curricula and exam board formats Tools & Tech: 🔍 I also offer expert 🧠support in LaTeX (for beautifully formatted assignments, papers, and reports) and Mathematica (for symbolic computation, simulations, and visualizations). And university-level Projects and Research Papers. I am available 24/7. if you need help you knock me here. Best Wishes Abdul Hanan

  • ACT Preparation
  • SAT Preparation
  • Mathematics
  • Mathematics Tutoring
  • Discrete Mathematics
  • Precalculus
  • Calculus
  • Trigonometry
  • Geometry
  • Linear Algebra
  • Statistics
  • Probability Theory
  • High School
  • LaTeX
  • Differential Calculus
Archil Z.

Tbilisi, Georgia

$40/hr
4.9
8 jobs

I am a machine learning researcher and enigneer, data scientist, mathematician, computer scientist, statistician. I have worked as a database analyst at the N1 insurance company in Georgia. My experience includes working as an AI/ML developer, data scientist, and lead data analyst. I have also worked as a professional consultant and a proofreader in high-level mathematics and computer science educational projects, including Khan Academy related projects. I love working on projects online, feel free to give me any project or work in the fields of AI/ML, mathematics, data science, data analysis, or algorithms and data structures, and I will complete it perfectly in the shortest time possible. * I'm experienced in Python, Microsoft SQL (MS SQL for RDBMS), C++, Power BI. I also use Excel and other Microsoft Office products to the level that is necessary for data science. * I'll complete your work exactly as you ask me, the final product will meet all of your requirements, in case of any questions I am glad to adapt the project as you wish. Leaving my customers happy is my top priority. * It is important to me to make sure that me and my client are on the same page about every important detail of the project, so let's keep in touch!

  • Python
  • Research Summary
  • Data Analysis
  • Statistics
  • Conduct Research
  • SQL
  • Machine Learning
  • Model Validation
  • Scientific Literature Review
  • Literature Review
  • Artificial Intelligence
  • C++
  • Mathematics
  • Algebra
  • Algorithms

How it works

Post a job for freePost a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

What does a Linear programmer do?

A linear programmer builds software integrations that connect external systems to the Linear issue tracking platform using its GraphQL API and webhook infrastructure. This role focuses on automating workflows by synchronizing data between Linear workspaces and other tools without relying on manual updates or inefficient polling methods. The developer writes code that listens for specific events within Linear, such as issue creation or status changes, and triggers corresponding actions in downstream services like continuous integration pipelines or custom dashboards. By implementing secure and efficient data exchange mechanisms, the linear programmer ensures that project information remains consistent across all connected platforms in real time.

  • Design and implement GraphQL queries and mutations to read, create, and update Linear entities such as issues, comments, and projects while optimizing payload size to reduce network overhead and avoid rate-limit pressure on the API.
  • Create and maintain webhook consumers that serve as publicly accessible HTTPS endpoints to receive change-event payloads from Linear, verifying payload authenticity via shared-secret signatures before processing the data to trigger downstream automations.
  • Configure API authentication using Linear API keys or OAuth applications with precise permission scopes, ensuring that the integration accesses only the necessary resources and maintains security best practices for credential management and token rotation.

How to hire a Linear programmer on Upwork

Step 1: Post a job

Define the specific GraphQL queries and webhook consumers you need to automate your Linear workspace. The Job Post Generator powered by Uma™, Upwork's Mindful AI helps you draft this post by describing your needs in a few sentences. You can write a new post, update a saved draft, or reuse an existing post to start hiring.

  • Specify which Linear entities require automation, such as issues, comments, or projects, to guide candidate proposals.
  • List required tools like Python for backend logic or specific webhook hosting platforms like Vercel or Cloudflare Functions.
  • Clarify if the role involves migrating from polling-based systems to real-time webhook event handling for better performance.

Step 2: Evaluate candidates

Look for portfolios that demonstrate secure API integrations and reliable event-driven architectures. Uma can run instant video interviews and build shortlists with side-by-side comparisons to help you assess technical fit quickly.

  • Review code samples showing GraphQL mutation implementations that update Linear entities without causing rate-limit errors.
  • Check for experience verifying webhook payload authenticity using shared-secret signatures to prevent unauthorized access.
  • Identify candidates who document their OAuth application setups and API key management practices clearly in README files.

Step 3: Interview your top choices

Discuss how candidates handle edge cases in webhook delivery and API response parsing. Interviews can be scheduled and conducted within Upwork Messages with an immediate transcript and summary after each one.

  • Ask how they optimize GraphQL queries to fetch only necessary fields and reduce data transfer overhead.
  • Question their strategy for retrying failed webhook events to maintain data consistency across systems.
  • Explore their approach to securing API credentials and managing permissions for different team scopes.

Step 4: Agree on scope and begin work

Set clear milestones for building the webhook consumer and testing GraphQL mutations. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.

  • Define deliverables such as a deployed HTTPS endpoint that returns HTTP 200 status codes upon receiving Linear payloads.
  • Establish testing criteria for automations triggered by issue creation or status updates in your Linear teams.
  • Require documentation that explains how to configure API access and rotate secrets for long-term maintenance.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a Linear programmer cost?

$500-$2,500 per project is a typical range for focused Linear programmer work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

API authentication setup

$500-$1,000/project

Entry-level to mid-level
  • Linear API keys or OAuth app with correct scopes
  • Setup guide for access credentials and permissions
  • Verified connection to Linear workspace

GraphQL query implementation

$1,000-$2,000/project

Mid-level
  • Optimized GraphQL queries for Linear entities
  • Code to read and update Linear issues or projects
  • Verified data retrieval and update logic

Webhook consumer deployment

$2,000-$4,000/project

Mid-level to senior-level
  • HTTPS consumer URL for Linear change-event payloads
  • Payload authenticity verification via shared-secret signature
  • Handler that processes events and returns HTTP 200

Event-driven automation

$4,000-$7,500/project

Senior-level
  • Downstream actions triggered by Linear issue updates
  • Filtering logic to reduce rate-limit pressure
  • Live webhook consumer on hosting platform

Custom integration architecture

$7,500-$12,000/project

Expert-level
  • System design for complex Linear workflow synchronizations
  • Full-stack code for GraphQL and webhook interactions
  • Complete documentation for maintenance and scaling

Frequently asked questions

Is hiring a Linear programmer worth it?

For most businesses, yes: hiring a Linear programmer is worthwhile. These specialists build custom integrations that synchronize your project data with other tools using Linear’s GraphQL API. They replace manual updates with automated webhook consumers that trigger actions like CI builds when issues change. This approach reduces rate-limit pressure and keeps your workflow data accurate without constant polling.

How do I evaluate Linear programmer candidates?

Review their experience with Linear’s GraphQL API and webhook security protocols to gauge technical fit. Ask candidates to explain how they verify payload authenticity using shared-secret signatures in a webhook consumer. A strong candidate describes deploying an HTTPS endpoint that processes issue events and returns HTTP 200 status codes reliably.

What tools does a Linear programmer use?

A Linear programmer works with the Linear GraphQL API, webhooks, and SDK libraries like @linear/sdk/webhooks. They deploy consumer endpoints on platforms such as Netlify, Vercel, or Cloudflare Functions to handle event payloads.

How does a Linear programmer secure API access?

They configure API keys or OAuth applications with specific scopes to limit permissions. This setup ensures that integrations only read or update the Linear entities required for the workflow.