Hire the Best API Developers Near Seattle

Toptal is a marketplace for top remote API developers. Top companies and start-ups in Seattle choose Toptal API freelancers for their mission-critical initiatives.

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Hire remote API developers near Seattle or in a similar time zone

Pedro Solá

Freelance API Developer
Mexico
Toptal Member Since May 23, 2022

Pedro is an experienced full-stack engineer and tech lead. He is very comfortable in the fast-paced world of startups and consulting. Pedro has worked on everything, from building prototypes to systems design, scaling platforms, and handling large-scale data migrations. From back end, front end, or mobile, he's done it all.

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Michael Truog

Freelance API Developer
United States
Toptal Member Since April 4, 2016

Michael is a top architect, engineer, developer, and entrepreneur with a proven ability to develop efficient, scalable, and fault-tolerant server solutions for complex problems. He has extensive experience and skills with all levels of software and architecture.

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Danish Shrestha

Freelance API Developer
United States
Toptal Member Since May 5, 2021

Danish is a full-stack software engineer with over a decade of experience building scalable enterprise software systems. He developed a pricing engine to reduce a renewable project bid from weeks to just two hours and led a team of 20 engineers to deliver a multi-year project in just three months. Danish has extensive experience in a startup-like environment where requirements evolve constantly and have aggressive timelines.

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Alex Katkova

Freelance API Developer
United States
Toptal Member Since July 13, 2022

Alex is a senior Ruby on Rails developer with extensive experience building APIs, working with and extending 3rd-party integrations, and building proof-of-concept software. Alex is pragmatic and detail-oriented, leverages the right tools for the job, and delivers projects on time.

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Marcus Young

Freelance API Developer
United States
Toptal Member Since June 19, 2024

Marcus is a senior engineering leader with 15+ years of overall experience and 7+ years of experience leading back-end software development. As a staff software engineer in the fintech industry, he focused primarily on building cloud-native distributed systems and AI/ML pipelines to facilitate loan origination, payments, and fraud detection. Having recently worked on LLM-backed systems, he is looking forward to tackling the challenges associated with deploying and supporting LLMs in production.

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Jay Brown

Freelance API Developer
United States
Toptal Member Since October 7, 2019

With over 25 years of software development experience, Jay has focused on designing and building enterprise back-end and mid-tier applications, protocols, and APIs for Fortune 1000 companies. He has multiple US patents, has authored the Manning book on Apache OpenCMIS API development, and has presented technical subjects at several IBM international conferences. Jay currently designs and builds distributed systems with Go for his various clients.

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Charles Grady

Freelance API Developer
United States
Toptal Member Since September 26, 2022

Charles is primarily a back-end developer specializing in Python. He has more than 16 years of experience developing RESTful APIs, high-throughput computations, and cluster interfaces in an open source environment. Charles published papers, gave conference presentations, and taught domestic and international workshops showcasing the tools he created, the community infrastructure, and his research projects.

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Andrew Miller

Freelance API Developer
United States
Toptal Member Since September 24, 2018

Andrew has over 25 years of web development experience with a focus on WordPress development since 2012, which includes custom plugins and theme development, API and data integrations, troubleshooting, malware removal, and migrations. With a deep understanding of the WordPress codebase, Andrew provides services to clients who require more than an off-the-shelf solution.

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Brian Weber

Freelance API Developer
United States
Toptal Member Since May 23, 2024

Brian is a principal engineer with a solid architectural and development background in enterprise data management, services, and mobile development. With expertise in data and application security, Brian has worked with many Fortune 100 companies to achieve their technology objectives. Brian specializes in automating and verifying large-scale cloud application integration and cloud data migrations across varied data sources in high-availability scenarios and business continuity.

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Mark Adam Meyer

Freelance API Developer
United States
Toptal Member Since September 5, 2017

Mark is a senior technical architect with experience building systems for communications, health care, hospitality, finance, and government organizations. Coming from a development background, he works hands-on with developers and stakeholders alike, taking on new challenges from an architectural and development perspective.

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Marshall Shen

Freelance API Developer
United States
Toptal Member Since September 13, 2022

Marshall is an accomplished technical leader with a strong background in building AI software and leading engineering teams. He has delivered innovative solutions for tech companies of all sizes in fintech and healthcare. With over three years of experience running startups, he has led engineering teams of over 20 people, including offshore teams in China. As a software architect at Venmo, he builds scalable payment systems, mentors engineers, and builds a resilient engineering organization.

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A Hiring Guide

Guide to Hiring a Great API Developer

API developers are experts in crafting virtual bridges that enable the smooth flow of data between disparate systems. This guide to hiring API developers features best practices for the hiring process, job description tips, and interview questions and answers that will help you identify the right candidates for your company.

Read Hiring Guide
Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Creating an app for the game
Leading a digital transformation
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of Tripcents as any in-house team member of Tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

Paul Fenley

Director

The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

Jason Kulik

Co-founder

As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee

Principal

How to Hire API Developers Near Seattle

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right API developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new API developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top API Developers Are in High Demand.

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