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Ruslan, Experienced software engineer

Warsaw, Poland
Last Updated: 21 Nov 2023

Experienced software engineer with a strong background in engineering and computer science education. Highlights include:- 5 years of experience in Java development, with expertise in Spring (Boot, Data, MVC, Security) and Hibernate. - Proficient in Kotlin, Groovy, Python, Scala, and familiar with other languages such as JavaScript and SQL. - Skilled in working with various technologies and tools including Docker, Kafka, OpenAPI, Jenkins, Git, and AWS. - Experienced in full-stack web development, including front-end (HTML, CSS, JavaScript) and back-end (Java, Spring) development. - Strong knowledge of database management systems, including PostgreSQL and MySQL. - Familiar with DevOps practices, including CI/CD pipelines and containerization. - Demonstrated experience in designing and implementing APIs, integrating payment systems (Stripe), and working with cloud services (AWS, GCP).


OpenAPI   3 yr.


Java   5 yr.


Hibernate   5 yr.


PostgreSQL   5 yr.

Spring Boot Framework

Spring Boot Framework   5 yr.

Apache Tomcat

Apache Tomcat   5 yr.

Vladimir, TECH LEAD

Last Updated: 23 Nov 2023

- Tech Lead Engineer with 7+ years of experience in software engineering and computer science education. - Proficient in programming languages such as PHP, JavaScript, and TypeScript. - Experienced in working with CMS and frameworks like Symfony, Laravel, Shopify, React, Vue.js, and Node.js. - Skilled in programming technologies including REST API, HTML/CSS, JSON/XML, jQuery, Redux, Doctrine ORM, and Eloquent ORM. - Knowledgeable in cloud platforms like AWS and databases such as MySQL, PostgreSQL, MongoDB, and Redis. - Proficient in DevOps tools like Docker, Docker Compose, Vagrant, CI/CD, Jenkins, Kubernetes, and Ansible. - Experienced in using source control systems like Git (GitHub/GitLab/BitBucket) for version control.

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PHP   7.5 yr.


JavaScript   5 yr.


Symfony   3.5 yr.


Laravel   3 yr.


Shopify   2.5 yr.

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Illya T., Java Software Engineer

Last Updated: 4 Jul 2023

- 3+ years experience in the IT industry as a Java developer - Has skills in developing microservice applications - Has experience in programming Spring Framework, Hibernate - Great knowledge of Java Core - Upper-Intermediate English - Available ASAP

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Andrii Kh., Python Software Engineer

Last Updated: 9 Apr 2024

- Python Engineer with 5+ years of experience designing, developing, and maintaining web applications and services across diverse industries (Financial Services, Healthcare, E-commerce, Education). - Proficient in both full-stack and backend development utilizing Python frameworks like Django, FastAPI, and Nameko. - Designed and implemented microservices for financial trading platform, healthcare platform, and more. - Extensive experience with relational (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis). Optimized queries using Django ORM and SQLAlchemy. - Utilized AWS S3 for storage and integrated with various cloud services (Stripe, Auth0, Pipedrive). - Strong computer science expertise and commercial experience in web services architecture and development - Experience with scrapers, extracting data from sites, serializing and validating data

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Oleksii I., Full-stack Node.js Engineer

Poltava, Ukraine
Last Updated: 4 Jul 2023
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- Software Engineer with 5+ years of commercial experience in the IT industry using front-end and back-end technologies - Experience in working on cryptocurrency projects - Good knowledge of OOP - Experience in using Design patterns - Upper-Intermediate English - Available ASAP

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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Maria Lapko
Global Partnership Manager

Only 3 Steps to Hire OpenAPI Engineers

Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Meet Carefully Matched Talents
Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.
Validate Your Choice
Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

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Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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Henry Akwerigbe
Henry Akwerigbe
This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management. There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more. It gets even better because many projects even allow full remote from anywhere! Nice job to the Upstaff Team 🙌🏽.
Vitalii Stalynskyi
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I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog. When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly. Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.
Владислав «Sheepbar» Баранов
Владислав «Sheepbar» Баранов
We've been with Upstaff for over 2 years, finding great long-term PHP and Android projects for our available developers. The support is constant, and payments are always on time. Upstaff's efficient processes have made our experience satisfying and their reliable assistance has been invaluable.
Roman Masniuk
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I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!
Yanina Antipova
Yanina Antipova
Хочу виразити велику подяку за таку швидку роботу по підбору двох розробників. Та ще й у такий короткий термін-2 дні. Це мене здивувало, адже ми шукали вже цілий місяць. І знайдені кандидати нам не підходили Це щось неймовірне. Доречі, ці кандидати працюють у нас і зараз. Та надать приклад іншим працівникам. Гарного дня!)
Наталья Кравцова
Наталья Кравцова
I discovered an exciting and well-paying project on Upstaff, and I couldn't be happier with my experience. Upstaff's platform is a gem for freelancers like me. It not only connects you with intriguing projects but also ensures fair compensation and a seamless work environment. If you're a programmer seeking quality opportunities, I highly recommend Upstaff.
Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in. Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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FAQs about OpenAPI Development

How do I hire a OpenAPI developer? Arrow

Are you desperately looking for a OpenAPI developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the OpenAPI Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find OpenAPI developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the OpenAPI guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff OpenAPI developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating OpenAPI candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire OpenAPI developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched OpenAPI Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet OpenAPI engineers in person. Make the right call. Bring a new OpenAPI developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote OpenAPI engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their OpenAPI skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire OpenAPI developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire OpenAPI developers. Upstaff has a network of vetted and tested OpenAPI developers. Here, you can hire web developers for a few simple coding tasks with OpenAPI.

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Table of Contents

How and where is OpenAPI used?

  • Real-time Data: Displaying real-time data
  • API Documentation: Generating API documentation
  • Security: Implementing API security
  • Integration: Facilitating system integration
  • Testing: Automating API testing
  • Client Communication: Enhancing client communication

Compare Junior, Middle, Senior, and Expert/Team Lead OpenAPI Developer roles

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 yearsResponsibilities & Activities:

  • Assist in API development
  • Code implementation
  • Testing
Middle2-5 yearsResponsibilities & Activities:

  • Develop API features
  • Code optimization
  • Integration testing
Senior5-8 yearsResponsibilities & Activities:

  • Lead API architecture
  • Performance tuning
  • Team mentoring
Expert/Team Lead8+ yearsResponsibilities & Activities:

  • Design API strategies
  • Lead development projects
  • Collaborate with stakeholders

Quick Facts about OpenAPI.

  • OpenAPI started its journey in 2011, born out of the Swagger project.
  • From APIs to microservices, OpenAPI is the go-to for various project types.
  • The entry threshold for OpenAPI is surprisingly low, making it accessible to all.
  • When it comes to related technologies, JSON Schema is the best companion for OpenAPI.
  • Did you know? OpenAPI was initially known as Swagger until it got rebranded in 2015!

TOP OpenAPI Related Technologies

  1. Swagger (Tony, 2011)
  2. RAML (MuleSoft, 2013)
  3. API Blueprint (Apiary, 2013)
  4. GraphQL (Facebook, 2015)
  5. Postman (Postman, 2014)

What are top OpenAPI instruments and tools?

  • Swagger Editor: Tool for designing APIs, released by SmartBear in 2011
  • Postman: API client for testing, released by Postdot Technologies in 2012
  • Stoplight Studio: API design tool, released by Stoplight in 2015
  • Insomnia: API client and design platform, released by Kong in 2015
  • Apiary: API design and documentation tool, released by Oracle in 2015

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Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Maria Lapko
Global Partnership Manager