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Oleg A., PHP Backend Engineer

Gdansk, Poland
Last Updated: 2 Apr 2024
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- 11+ years of experience in web development and 4 years of experience in the Fintech domain. - Proficient in various PHP frameworks such as YII2, Laravel and Symfony. - Experienced in front-end technologies including HTML5, CSS3, SASS, LESS, and JavaScript. - Strong knowledge of APIs and integrating payment gateways (Crypto, APM, S2S). - Expertise in designing and developing secure web applications. - Familiarity with AWS, Microsoft Azure, and other cloud infrastructure management. - Proven track record of successfully delivering projects on time and within budget, receiving commendations for technical prowess, innovative solutions, and team collaboration. - Location: Poland - Available: ASAP

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Amazon Web Services (AWS)

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Roman F., PHP Engineer

Last Updated: 5 Mar 2024
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- Experienced Software Engineer with 8 years of commercial experience in demanding environments, focused on producing cutting-edge systems for businesses. - Skilled in infrastructure cost optimization, Kubernetes, and Terraform. - Proficient in PHP, JavaScript, Golang, and various databases such as MySQL, PostgreSQL, and MongoDB. - Extensive experience with Amazon Web Services (AWS) and containerization technologies like Docker. - Strong background in computer science with a Master's degree in Computer Science. - Familiar with Agile and Scrum methodologies, as well as software development practices and SDLC. - Excellent communication skills and fluent in Ukrainian with advanced English proficiency.

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Yaroslav L., Senior Salesforce Developer

Last Updated: 4 Jul 2023

- 4,5+ Salesforce.com (Development, Administration, Configuration, Implementation & Support). - Experience with Agile - Salesforce.com (Administration, Configuration, Implementation & Support). - SFDC (Salesforce.com) Sandbox and Production environments. - Data loader, Workbench, Force.com IDE - Experience with Accounts, Contacts, Opportunity, Order Management, Leads and Communities - SFDC integration: Web-Services, SOAP, REST, File integration, FTP - Reports and Dashboards creation using standard Salesforce tools. - Experience with databases and with database objects - Data migration, data mapping and data integration - Complex problem resolution skills and professional approach - Fluent English - Available ASAP

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Dennis S., SDET/Automation QA Engineer (Java)

Kharkiv, Ukraine
Last Updated: 4 Jul 2023

- 3.5+ Years of software testing experience - WEB UI Automated Testing - API Automated Testing (SOAP / RESTful / WebSocket ) - Software Development Engineer in Test / Quality Assurance / CI&CD starter. - Intermediate English - Available ASAP

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QA Automation

QA Automation





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Tanvier H., Salesforce Commerce Cloud Developer

Gulshan-e-Iqbal Town, Pakistan
Last Updated: 4 Jul 2023

- 15+ of experience in the analysis, design and development of online applications. - Created SOAP and RESTFULL web services for consumption by external clients. - Experience as senior Developer in developing Hybrid Applications, E-commerce websites, Web portals, Content Management System (CMS), Customized web application, Payment Gateway Integration. - Experience in working with Web based technologies using PHP, MYSQL, HTML5, CSS3, React, JavaScript, jQuery. - Upper-intermediate English. - Available ASAP.

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Salesforce Commerce Cloud

Salesforce Commerce Cloud

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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
Vitalii Stalynskyi
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
Roman Masniuk
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 SOAP Development

How do I hire a SOAP developer? Arrow

If you urgently need a verified and qualified SOAP developer, and resources for finding the right candidate are lacking, UPSTAFF is exactly the service you need. We approach the selection of SOAP developers professionally, tailored precisely to your needs. From placing the call to the completion of your task by a qualified developer, only a few days will pass.

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Undoubtedly, there are dozens, if not hundreds, of specialized services and platforms on the network for finding the right SOAP engineer. However, only UPSTAFF offers you the service of selecting real qualified professionals almost in real time. With Upstaff, software development is easier than calling a taxi.

How are Upstaff SOAP developers different? Arrow

AI tools and expert human reviewers in the vetting process are combined with a track record and historically collected feedback from clients and teammates. On average, we save over 50 hours for client teams in interviewing SOAP candidates for each job position. We are fueled by a passion for technical expertise, drawn from our deep understanding of the industry.

How quickly can I hire SOAP developers through Upstaff? Arrow

Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched SOAP 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 a new SOAP developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

How does Upstaff vet remote SOAP engineers? Arrow

Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present SOAP candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

TOP 10 SOAP Related Technologies

  • Java

    Java is a widely adopted programming language for SOAP software development. It offers a robust and secure platform for building enterprise-level applications. With its extensive libraries and frameworks, developers can easily create SOAP-based web services that communicate over HTTP.

  • .NET Framework

    The .NET Framework is another popular choice for SOAP software development. It provides a comprehensive set of tools and libraries for building SOAP-based applications using languages like C# and Visual Basic. The framework offers seamless integration with other Microsoft technologies, making it a preferred choice for Windows-based systems.

  • Apache Axis

    Apache Axis is an open-source SOAP implementation that simplifies the process of developing SOAP-based web services. It provides a set of Java libraries and tools for creating, deploying, and consuming SOAP services. With its support for various SOAP specifications, Apache Axis is widely used in enterprise-level SOAP development.

  • Spring Web Services

    Spring Web Services is a lightweight framework for developing SOAP-based web services in Java. It offers a simplified programming model and integrates seamlessly with the Spring Framework. With its extensive support for XML configuration and message marshaling, Spring Web Services is a popular choice for SOAP development.

  • PHP

    PHP, a popular server-side scripting language, also has support for SOAP software development. It provides a range of SOAP libraries and extensions that enable developers to create SOAP-based web services easily. PHP’s simplicity and widespread adoption make it a preferred choice for building SOAP applications.

  • Python

    Python, known for its simplicity and readability, has several libraries and frameworks that facilitate SOAP software development. Libraries like Zeep and Suds offer easy-to-use interfaces for creating and consuming SOAP services in Python. Python’s versatility and extensive community support make it a popular choice among developers.

  • Node.js

    Node.js, a JavaScript runtime environment, is gaining popularity for SOAP software development. It provides various modules and libraries that enable developers to create SOAP-based web services using JavaScript. With its asynchronous and event-driven architecture, Node.js offers scalability and performance advantages for SOAP development.

TOP 11 Facts about SOAP

  • SOAP stands for Simple Object Access Protocol. It is a messaging protocol used for exchanging structured information between web services over a network.
  • SOAP is platform-independent and language-independent, which means it can be used with various programming languages and operating systems.
  • It is based on XML (eXtensible Markup Language) for structuring the data being exchanged.
  • SOAP messages are typically sent over HTTP (Hypertext Transfer Protocol) or other application layer protocols.
  • SOAP allows for the use of different transport protocols, such as HTTP, SMTP (Simple Mail Transfer Protocol), and more.
  • It supports various data encodings, including XML, JSON, and binary formats, allowing flexibility in data representation.
  • SOAP provides a standardized way of communication between different systems and platforms, making it easier to integrate and interoperate between applications.
  • Security can be enforced in SOAP messages through the use of WS-Security, which provides encryption, digital signatures, and authentication mechanisms.
  • SOAP supports both synchronous and asynchronous communication patterns, allowing for real-time interactions between services.
  • It has built-in error handling mechanisms, including fault messages, to handle exceptions and errors during the message exchange process.
  • SOAP has been widely used in enterprise systems, web services, and integration scenarios where reliable and interoperable communication is crucial.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 yearsAssisting in the development of software applications under the guidance of senior developers. Writing code, debugging, and testing. Collaborating with the team to solve technical problems.45,000 – 65,000
Middle2-5 yearsDeveloping software applications independently. Designing and implementing new features. Conducting code reviews and providing feedback to junior developers. Collaborating with cross-functional teams.65,000 – 85,000
Senior5-8 yearsLeading the development of complex software projects. Mentoring and guiding junior and middle developers. Making architectural decisions. Collaborating with stakeholders to define project requirements.85,000 – 110,000
Expert/Team Lead8+ yearsLeading a team of developers and overseeing multiple projects. Setting technical direction and making strategic decisions. Mentoring and coaching team members. Collaborating with other teams and stakeholders at a strategic level.110,000 – 150,000+

Pros & cons of SOAP

7 Pros of SOAP

  • Interoperability: SOAP provides a standardized protocol for communication between different systems, ensuring compatibility and interoperability.
  • Extensibility: SOAP allows for the addition of new functionalities and features without breaking existing implementations.
  • Platform independence: SOAP messages can be sent over a variety of transport protocols, making it platform independent.
  • Security: SOAP supports various security measures such as encryption and digital signatures, ensuring secure communication over the network.
  • WSDL support: SOAP integrates well with the Web Services Description Language (WSDL), which allows for the automatic generation of client code and provides a clear definition of the SOAP web service.
  • Reliability: SOAP guarantees message delivery through mechanisms like message acknowledgment and retries, ensuring reliable communication even in unreliable network environments.
  • Support for various data formats: SOAP can be used to exchange data in various formats like XML, JSON, and binary, providing flexibility in data representation.

7 Cons of SOAP

  • Complexity: SOAP can be complex to implement and understand, requiring a steep learning curve for developers.
  • Overhead: SOAP messages tend to be larger in size compared to other protocols like REST, resulting in increased network traffic.
  • Performance: Due to its XML-based nature, SOAP can be slower compared to other lightweight protocols, especially in resource-constrained environments.
  • Verbosity: SOAP messages contain a lot of metadata and can be verbose, resulting in increased bandwidth usage.
  • Limited browser support: SOAP is not natively supported by web browsers, which can limit its usage for client-side web applications.
  • Complex error handling: SOAP error handling can be complex and less standardized, making it more challenging to handle errors and exceptions.
  • Less suitable for mobile devices: The overhead and complexity of SOAP make it less suitable for mobile devices with limited resources and bandwidth.

Cases when SOAP does not work

  1. Unsupported Platforms: SOAP may not work on certain platforms that do not have built-in support for SOAP protocols. For example, SOAP is not supported on some embedded systems or specialized hardware devices, limiting its usability in those contexts.
  2. Firewall Restrictions: SOAP relies on HTTP or HTTPS protocols for communication, which means it can be blocked by firewalls that restrict outgoing network traffic. In situations where the necessary ports are not open, SOAP requests and responses may be blocked, rendering SOAP ineffective.
  3. Performance Overhead: SOAP involves XML parsing and serialization, which can introduce overhead in terms of processing time and bandwidth usage. In scenarios where low latency or high network efficiency is crucial, SOAP might not be the most optimal choice.
  4. Complexity and Compatibility: SOAP can be complex to set up and configure, especially when dealing with different platforms, programming languages, and frameworks. In some cases, interoperability issues may arise due to variations in the interpretation and implementation of SOAP specifications by different vendors.
  5. Alternative Communication Protocols: With the emergence of alternative communication protocols such as REST (Representational State Transfer) and GraphQL, which are more lightweight and easier to work with, developers may choose not to use SOAP. These protocols offer flexibility, simplicity, and better performance in various scenarios, making SOAP less desirable.

Soft skills of a SOAP Developer

Soft skills are essential for any SOAP Developer, as they complement technical proficiency and contribute to successful collaboration and communication within a team. Here are the key soft skills required at different levels of expertise:


  • Attention to Detail: Possessing a keen eye for detail ensures accurate implementation and adherence to SOAP standards.
  • Problem Solving: Being able to analyze and resolve issues efficiently helps in delivering high-quality SOAP-based solutions.
  • Teamwork: Collaborating effectively with team members fosters a positive work environment and enhances productivity.
  • Time Management: Prioritizing tasks and meeting deadlines is crucial for efficient project execution.
  • Communication: Clear and concise communication skills facilitate effective coordination and understanding within the development team.


  • Leadership: Demonstrating leadership qualities by taking ownership of tasks and guiding junior developers in SOAP development.
  • Critical Thinking: Applying logical and analytical thinking to evaluate complex SOAP-based scenarios and propose innovative solutions.
  • Adaptability: Being flexible and open to change allows for seamless integration of SOAP services with evolving business requirements.
  • Mentoring: Sharing knowledge and providing guidance to junior developers in SOAP development best practices.
  • Interpersonal Skills: Building strong relationships with team members and stakeholders facilitates effective collaboration and decision-making.
  • Conflict Resolution: Resolving conflicts professionally and diplomatically contributes to a harmonious and productive work environment.
  • Client Communication: Effectively communicating with clients to understand their SOAP requirements and provide suitable solutions.


  • Project Management: Demonstrating proficiency in managing SOAP development projects, including planning, resource allocation, and risk mitigation.
  • Strategic Thinking: Identifying long-term SOAP development strategies aligned with business goals and anticipating future needs.
  • Negotiation Skills: Negotiating with stakeholders to reach mutually beneficial agreements on SOAP development requirements and timelines.
  • Conflict Management: Effectively managing conflicts within the team or with clients to maintain a positive and productive work environment.
  • Decision Making: Making informed decisions based on a deep understanding of SOAP development principles and business objectives.
  • Presentation Skills: Presenting SOAP solutions and progress reports to stakeholders in a clear and compelling manner.
  • Innovation: Demonstrating a proactive approach to exploring and adopting new SOAP technologies and methodologies to improve development processes.
  • Quality Assurance: Ensuring the delivery of high-quality SOAP services through rigorous testing and adherence to industry standards.

Expert/Team Lead

  • Strategic Planning: Developing SOAP development roadmaps aligned with organizational goals and long-term vision.
  • Team Management: Leading and managing a team of SOAP developers, providing guidance, mentorship, and fostering professional growth.
  • Client Relationship Management: Building and maintaining strong relationships with clients, understanding their SOAP requirements, and providing strategic solutions.
  • Business Acumen: Understanding the broader business context and aligning SOAP development efforts with organizational objectives.
  • Influencing Skills: Influencing key stakeholders to adopt SOAP development strategies and initiatives that drive business success.
  • Technical Leadership: Demonstrating expertise in SOAP development and guiding the team in implementing best practices and resolving complex technical challenges.
  • Continuous Improvement: Driving a culture of continuous improvement by promoting learning, innovation, and adopting emerging SOAP technologies.
  • Risk Management: Identifying and mitigating risks associated with SOAP development projects, ensuring timely delivery and customer satisfaction.
  • Strategic Partnerships: Establishing strategic partnerships with SOAP vendors and industry experts to leverage expertise and stay updated with the latest trends.
  • Change Management: Effectively managing organizational changes related to SOAP development processes, tools, and methodologies.
  • Thought Leadership: Contributing to the SOAP development community through publications, presentations, and participation in industry conferences and forums.

What are top SOAP instruments and tools?

  • Postman: Postman is a popular API development and testing tool that supports SOAP requests. It provides a user-friendly interface for creating SOAP requests, sending them to a server, and analyzing the responses. With features like request history, automatic parameter generation, and testing collections, Postman simplifies the SOAP testing process. It was first released in 2012 and has since gained widespread adoption in the development community.
  • SoapUI: SoapUI is a comprehensive testing tool specifically designed for SOAP and REST APIs. It offers a range of features for creating, managing, and executing SOAP requests, including support for WSDL parsing, data-driven testing, and security testing. SoapUI has been around since 2005 and has become a go-to tool for many developers and testers working with SOAP-based services.
  • Apache JMeter: Although primarily known as a load testing tool, Apache JMeter also provides support for SOAP testing. It allows users to create SOAP requests, customize headers and parameters, and analyze the responses. JMeter has been in development since 1998 and is widely used for performance testing various web-based applications, including SOAP services.
  • IBM Rational Functional Tester: IBM Rational Functional Tester is an automated functional testing tool that supports a variety of technologies, including SOAP. It enables users to create automated tests for SOAP-based services, validate responses, and perform end-to-end testing. With its extensive scripting capabilities and integration with other IBM tools, Rational Functional Tester is often used in enterprise environments for testing SOAP APIs.
  • Parasoft SOAtest: Parasoft SOAtest is a comprehensive testing tool designed specifically for testing APIs, including SOAP web services. It provides a wide range of features, such as test creation, test execution, and reporting. SOAtest also offers advanced capabilities like API virtualization, performance testing, and security testing. It has been continuously developed since the early 2000s and is widely recognized as a robust tool for testing SOAP-based services.

How and where is SOAP used?

Case NameCase Description
1. Enterprise Application IntegrationSOAP development is widely used in enterprise application integration scenarios where different systems and applications need to communicate and exchange data. SOAP enables seamless interaction between various platforms, programming languages, and technologies, making it an ideal choice for integrating diverse enterprise software components.
2. Web ServicesSOAP is extensively used for developing web services, which allow different web applications to communicate with each other over the internet. SOAP provides a standardized protocol for exchanging structured information, facilitating interoperability between systems built on different platforms and programming languages.
3. Mobile Application DevelopmentSOAP can be utilized in mobile application development to enable secure and reliable communication between mobile devices and backend servers. It allows mobile apps to access web services and retrieve data from remote servers, facilitating functionalities such as real-time updates, data synchronization, and remote authentication.
4. Enterprise Resource Planning (ERP)SOAP is commonly used in ERP systems to integrate various modules and components, enabling seamless communication and data exchange between different departments and functions. It ensures smooth coordination between finance, human resources, supply chain, customer relationship management, and other critical modules within an organization.
5. Payment GatewaysSOAP plays a crucial role in the development of payment gateways, facilitating secure and reliable transaction processing. It allows payment service providers to communicate with banks, financial institutions, and other stakeholders in a standardized manner, ensuring the integrity and confidentiality of sensitive payment information.
6. Healthcare Systems IntegrationSOAP is utilized in healthcare systems to integrate various healthcare applications, electronic health records (EHR), and medical devices. It enables seamless data exchange between different healthcare providers, ensuring accurate and timely access to patient information, clinical data, and treatment plans.
7. Supply Chain ManagementSOAP development is widely used in supply chain management systems to enable smooth communication between suppliers, manufacturers, distributors, and retailers. It facilitates real-time inventory tracking, order processing, shipment notifications, and other critical supply chain functionalities.
8. Customer Relationship Management (CRM)SOAP is employed in CRM systems to integrate customer data, sales information, and marketing automation tools. It enables seamless communication between CRM applications and other business systems, ensuring centralized customer information, effective lead management, and personalized marketing campaigns.
9. E-commerce PlatformsSOAP plays a vital role in e-commerce platforms by providing a standardized protocol for communication between online stores, payment gateways, shipping providers, and inventory management systems. It ensures secure data exchange, accurate order processing, and efficient inventory management.
10. Government Systems IntegrationSOAP is widely used in government systems to integrate various departments, agencies, and services. It enables secure and efficient communication between different government systems, facilitating citizen services, data sharing, and interoperability among diverse government entities.

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