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An API Developer is responsible for developing and maintaining software applications that interface with other systems, whether through RESTful APIs or web services. They work closely with architects, engineers, and business analysts to design and implement new features and integrations. Additionally, they are often responsible for ensuring that the existing API ecosystem continues to function smoothly as changes are made to upstream or downstream systems.

API Specialist

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Earn Additional Income as a API Programmer Expert

API Specialist

A self-employed API developer can make money on a per project task basis by providing custom development services to clients. This typically involves developing an application programming interface (API) that connects two or more applications, databases, web services, and other systems in order to exchange data. The client will pay the developer a flat fee for their work after the successful completion of each individual project task. Self-employed API developers can also earn extra income through side hustles such as providing consulting services or creating tutorials and courses related to developing APIs. Consulting involves helping clients with their specific needs when it comes to APIs – from brainstorming ideas for projects all the way up until deployment and troubleshooting problems down the line. Tutorials/courses provide helpful guides for beginners looking to learn how develop APIs, offering both free content as well as paid premium content options like video lessons and access to private forums with experts who are available for advice and guidance along the way.

  • Gigs

Looking for MERN Stack Dev
Remote Remote Star Mateo A

https://drive.google.com/file/d/1rzb1J_jI69DaUojXbx3N248WPemxnylc/view?usp=sharing

Web developments with Next js, React js, Node js
AEAbu dhabi Abu dhabi Star Shaheryar K

Can develop, debug and update web apps using Next js, React js, Node js, Typescript.

I will build high quality web application using django
Remote Remote Star Aleks G

Development of high quality website and web application including interactive web pages built with Bootstrap and Javascript, PostgreSQL database configuration, Django application and REST API.

Expert iOS Mobile App Development | Swift & SwiftUI
Remote Remote Star Uday B

I specialize in building high-performance iOS apps using Swift and SwiftUI. Whether you need an app built from scratch or want to enhance an existing one, I deliver secure, user-friendly solutions that meet your specific needs and goals.

App signup
Remote Remote Star Haralds K

App signup with compensation

Translation and Text Editing (PL /RU/UK/ EN)
Remote Remote Star Ann B

I provide reliable online assistance including data entry, online research, document formatting and simple tasks. Fast and accurate work.

QA Testers wanted in the Netherlands!
Remote Remote Star Bianca C

Freelance QA testing gig for testers in the Netherlands. Follow test cases, explore apps, and share usability feedback—fully remote and flexible.

Test game for me
Remote Remote Star john S

I need some people to play me and my friends text based game and write reviews

Build a modern booking landing page for your business
Remote Remote Star Hichem R

I design and develop fast, modern landing pages focused on helping local businesses look professional online and convert more visitors into bookings or inquiries.

WordPress Help Needed – Fix Website Bug ($500 CAD)
Remote Remote Star Rodrigo S

I’m looking for someone experienced with WordPress who can quickly diagnose the problem and restore full access to the site.

Full Stack Developer
Remote Remote Star William L

Looking for Full Stack Developer to contribute to the development of a web-based sports betting platform.

Looking for a collaborator
Remote Remote Star Colton R

Looking for a collaborator

Assistance et support informatique pour particuliers et
Remote Remote Star Baptiste R

Je propose des services complets de support informatique, installation et dépannage, adaptés aux particuliers et petites entreprises.

Counter Strike 2 players
Remote Remote Star Konstantinos S

We are looking for EU and UK based Counter Strike 2 players to test a product of ours.

Norwegian Speakers in Oslo Needed!
NO OsloStar Svojmir S

Norwegian speakers in Oslo: join a paid voice-collection study, pair up with a friend, and earn $240 USD each after a 2.5-hour session.

Language Study Auckland - $230 USD for 2,5h
NZ AucklandStar Svojmir S

Native English (New Zealand) speakers in Auckland: join a paid voice-collection study, pair up with a friend, and earn $230 each after a 2.5-hour session.

Customer Support & Operations Coordinator (IT Projects)
Remote Remote Star Daniel G

We are looking for a reliable man to support client communications and project operations for our technology projects.

I Will Setup VoIP PBX Call Center System with 3CX and I
Remote Remote Star Technologia H

I will set up VoIP PBX call center systems using 3CX, including IVR, SIP trunk configuration, and professional business communication solutions for seamless calling operations.

Find API Developer Jobs Near Me

API Specialist

An API (Application Programming Interface) developer is responsible for creating and maintaining the software that allows different applications to communicate with each other. They are a crucial part of any development team as they provide the foundation for all communication between applications, databases, and services. An API developer must have strong knowledge of both programming languages and web standards, which allows them to create an interface that provides secure access to shared databases or services necessary for two systems to communicate. API developers must possess in-depth knowledge about APIs – how they work and their potential uses – so that their implementation works properly within the framework of an application’s architecture. As such, it is important for API developers to be able stay up-to-date on new technologies related to this field since there may be new approaches available or important changes in existing ones over time. Additionally, they must also know how various platforms interact with each other so that data can be retrieved quickly without errors occurring along the way. This includes understanding authentication protocols like OAuth 2.0 or OpenID Connect as well as ensuring compatibility across multiple operating systems such as iOS, Android and Windows Phone OSs In order ensure consistent performance throughout these interactions a successful API Developer will also need an eye for detail when testing out endpoints built into these interfaces before pushing them live onto production servers; checking if expected transactions occur correctly according codebase specifications from initial designs laid down by product owners/stakeholders when signing off on projects prior completion handoff buildout stages towards customer facing operations after launch cycles post deployment periods go live status - thus allowing companies gain greater visibility & awareness clients side consumer market spend more time focusing core features refining bug fixes instead dealing network communications complex coding issues underlying function structure infrastructure layer support maintenance optimization upgrades running server bandwidth utilization scalability analytics monitoring debugging troubleshooting problems preventative measures improving overall user experience satisfaction ratings levels increasing return visitor traffic retention rates via usage feedback responses driving higher engagement engagement conversions curating curated content best practices while strengthening trust loyalty relationships using digital channels opportunities remarketing campaigns lead generation strategies open ended discussions forums chatbots hosting subscription plans alternatives increased ROI ROAS based bottom line profits . With proper training & qualifications combined building bridges connecting technology integrations unlocking powerful innovative solutions staying cutting edge always forefront today’s ever changing fast paced industry climate

  • Jobs

Junior Software Engineer*
job.countryWien Wien

PERFECT PLACE TO GROW!

IT Support Specialist
job.countryNetherlands

ORTEC is the world’s leading provider of mathematical optimization software and advanced analytics.

C++ Software Developer (Slovenia, remote)
Remote Remote

The primary objective of this position is to produce the required product in conjunction with team members, insuring it is of high quality and is timely.

C# Software Developer
Remote Remote

The primary objective of this position is to produce required product in conjunction with team members insuring it is of high quality and is timely.

React + Python Developer for AI Personal Finance Platfo
Remote Remote

React + Python Developer for AI Personal Finance Platform

Software Engineer, iOS Core Product
Remote Remote

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

Android Developer
Remote Remote

I develop Android applications tailored to your personal needs

Data Entry Clerk
Remote Remote

Detail-oriented Data Entry Clerk needed to accurately input, update, and maintain company records. This is a flexible, remote role with simple tasks, full training provided, and opportunities for part-time or full-time work.

Data Entry Clerk
Remote Remote

We are seeking a detail-oriented Data Entry Clerk to accurately input and manage data. This role offers flexible hours, remote work options, and full training provided.

Looking for a collaborator
Remote Remote

I am looking for a reliable partner to work with

Front-end Developer for FHEGuess
Remote Remote

FHEGuess is a privacy-preserving number guessing game built with Zama's FHEVM (Fully Homomorphic Encryption Virtual Machine) technology. It's deployed live on Sepolia testnet and represents a real-world implementation of confidential smart contracts.

Data Entry
Remote Remote

Looking for right Candidates

Customer support ( German speakers)
job.countryBCVT & Regiocom Veliko Tarnovo

Kundenberater (m/w/d) – Telefonischer Service (Deutschsprachig)

Transcriptionist
Remote Remote

OneForma is hiring remote transcription and speech annotation specialists for a long-form audio project.

Transcriptionist
Remote Remote

OneForma is hiring remote transcription and speech annotation specialists for a long-form audio project.

Transcriptionist
Remote Remote

OneForma is hiring remote transcription and speech annotation specialists for a long-form audio project.

Speech Recorder
Remote Remote

Help shape the future of speech recognition and AI language tools! We are looking for native speakers to record short, everyday prompts straight from their computer.

Search Application Programming Interface Developer Volunteering opportunities

API Specialist

An API developer can give back by volunteering in a variety of ways. 1. Mentoring: By mentoring new developers, an experienced API developer can help to bridge the gap between experienced and novice developers. This could involve offering advice on coding best practices, helping solve technical issues, or providing guidance on how to get started with APIs and integrating them into applications. 2. Event organizing: If there are events related to API development happening in the community, volunteering as an organizer is one way for an experienced API developer to give back. This could entail coordinating speakers, finding sponsorships or arranging activities at conferences/workshops/meet-ups etc which help further knowledge around APIs and platforms that use them. 3 . Open Source Contributions: Contributing code or ideas towards open source projects helps improve existing products while allowing others to benefit from the work done by volunteers; this also enhances collective learning when it comes to understanding different aspects of creating successful APIs (eg security vulnerabilities). The open source community will always be grateful for those willing donate their time and skillset towards improving toolsets available through public repositories such as GitHub - even if its just testing out potential fixes before committing changes live! 4 . Writing Documentation / Tutorials / Blog Posts : Authoring useful tutorials on topics touching upon any aspect related with using/developing APIs can really provide value - whether its explaining how a certain library works, sharing tips & tricks based on personal experience building something similar etc., all these resources help spread awareness about specific technologies being used within future integration efforts thus enabling smoother deployments over time due both reduced complexity + increased confidence thanks having less room remaining for failure scenarios!

  • Volunteers

Data Analyst Assistant Volunteer (Virtual)
Remote Remote

YRES is a not-for-profit organization that provides individuals in York Region and beyond with free and affordable educational resources in a safe and supportive environment that inspires, motivates, and helps set the foundation for personal growth.

Promote & Advertise Your API Engineer Small Business for FREE

API Specialist

An API development business can promote its niche service by focusing on the benefits that customers will receive from using their product. This could include sharing success stories of customers who have used the API and how it has improved their performance. They could also create blog posts or white papers outlining what an API is and how a customer might benefit from using one for their services. Additionally, they should focus on providing detailed information about the product itself (what it does, why its beneficial, etc.) so potential customers understand all of its features before making a purchase decision. Finally, utilizing social media platforms such as Twitter or LinkedIn to share valuable content related to APIs could help attract new users and build brand awareness.

  • Promote

Japanese Startups: Get Your Product Built By Webmob
ad.countryJapan

One Japanese founder wins a dedicated team of 4-6 engineers building their product for 12 weeks. Full code ownership. AI. Biotech. Robotics. MedTech. Enterprise AI. Tokyo. July 23. 15 spots. Apply before July 10.

Freelance Software Engineer | AI Engineering & MLOps
Remote Remote

Experienced freelance software and AI engineer helping teams design, build, and deploy scalable AI-driven systems, cloud applications, and MLOps pipelines.

Software / Solution Architect
Remote Remote

- System Integration and API Development - Chatbot Development - Software & Solution Architecture - Database Design & Programming

هيمن على السوشيال ميديا — Propel Your Brand
Remote Remote

قبل أن يفوتك الجمهور. / Before your competitors win them

Web Designer and Dev
Remote Remote

No es solo aparecer en internet lo que importa ahora. Controlar quién recibe la información resulta clave hoy.

Photoshop Editing & Graphic Design | Kuvankäsittely
Remote Remote

Professional Photoshop expert for photo manipulation, product editing & retouching. Turn your photos into stunning visuals. Fast delivery & free sample! Ammattimainen Photoshop-asiantuntija kuvamuokkaukseen. Nopea toimitus & ilmainen esimerkki!

Founder
Remote Remote

Data Duality is a holistic digital agency empowering small businesses in Melbourne’s outer east to succeed online, from day one.

🌐 Website Development
Remote Remote

Website Development | WordPress

🌐 Website Development
Remote Remote

🌐 Website Development | WordPress

Get Film & Photography Permits in Saudi Arabia
Remote Remote

Saudi Film Permit is a trusted filming and photography permit application partner in Saudi Arabia. We help production companies, brands, filmmakers,

LAPTOP PC REPAIR SERVICE TECHNICIAN
ad.countryMalaysia

Offering Services from Home

Draxilon
Remote Remote

Where your brand grows smarter, faster, and stronger.

API Specialist Duties & Responsibilities

Act as the primary point of contact for all things related to the API - this includes both internal and external facing roles.

Design, build, maintain, document and evangelize great APIs that developers love to use.

Understand how our products are used and identify opportunities to make them even easier to use via the platform strategy or other means such as better documentation 4 Work with senior leadership across departments (Engineering, Product Management) in formulating long-term vision and strategy for companys web platform

Engage directly with customers/clients where appropriate to ensure were delivering what they need

Identify KPIs by which success will be measured and track progress against those over time

Be an expert on all things web architecture including but not limited to microservices, SOA ,

factor apps , scalability concerns etcetera

Serve As a mentor & thought leader within engineering on matters relating to building beautiful customer experiences

Help champion Engineering culture throughout organization(eg: code reviews, increasing transparency around process & product development decisions). 1. Design, build, maintain and document APIs

Work with architects and other technical teams to align API strategy with business goals

Collaborate with developers to integrate APIs into applications

Monitor API usage statistics and performance indicators

Manage access control policies for different types of users

Set up alerts to detect potential problems with the API or its integration points

Conduct security audits on the API design and implementation periodically

Remote Work Opportunities

Don't take our word for it. Build your online brand through our trusted customer testimonials.

StarStarStarStarStar

Jay is an awesome Global API Programmer.

We have loved your work and communication throughout the gig.

Jay your ability is second to none!

We highly recommend gigexchange & Jay. We have told ALL our friends and family about the service we experienced.

If anyone is looking for an expert API Programmer then Jay is for you!

StarStarStarStarStar

Great Service! Great Communication! Great Price! Very Happy with Leroy!

We had been on the lookout for a API Programmer for ages but couldnt find anyone.

Luckily gigexchange came to the rescue and we found Leroy immediately.

We’ll certainly use Leroy & other freelancers on gigexchange for our other projects we have in the future.

Taylor

10 Best International API Developer Businesses & Organisations

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