
Hire the Top 3% of Integration Developers in 48 Hours
Toptal is a marketplace for top integration developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal integration freelancers for their mission-critical software projects.
Toptal's work was a crucial milestone that enabled us to scale our engineering teams and systems in step with our rapid growth.
Mark Marcantano, Calm
Trusted by leading brands and startups
Meet Integration Developers in our Exclusive Network
Featured Talent

Nirmala Kuchi
Integration Developer
Nirmala is a 9-time certified Salesforce application architect and integration architect with 11 years of experience in Salesforce applications development as an architect or lead developer for Salesforce projects. She’s worked extensively on Salesforce development, customization, and integration. Her experience spans the Salesforce Lightning Platform, Sales Cloud, Service Cloud, Community Cloud, Pardot, Marketing Cloud, Financial Services Cloud, and nCino.

Eduardo Schuelter
Integration Developer
With 20 years of hands-on experience in software development and integration, Eduardo has taken on roles ranging from software solutions architect to technical project and account manager. He has 15+ certifications, mainly in Microsoft technologies (Azure), as well as Java and SQL. Eduardo is a seasoned software engineer with a deep knowledge of the main cloud providers' capabilities, implementing system integrations using REST APIs and creating solutions while keeping the big picture in mind.

Nag Raj
Integration Developer
Nag is a seasoned digital transformation, SAP, cloud, and techno-functional expert with 24+ years of experience across SAP business technologies. Specializing in SAP S/4 HANA and SAP supply chain management (SCM) software, he has a proven track record in delivering successful projects to well-known clients. Nag worked across multiple industries like pharmaceuticals, distribution, consumer goods, automotive, semiconductors, aerospace, high-tech, retail, distribution, oil and gas, and services.

Senthil Chinraj
Integration Developer
Senthil is a senior MuleSoft Certified Architect and Developer and a Certified Workato Consultant with 18+ years of experience in the development field. He's been working with MuleSoft solutions for 7+ years, excelling in enterprise-level integration projects using the Anypoint Platform, including customer- and MuleSoft-hosted runtimes in the CloudHub. Senthil is also experient in delivering robust apps that leverage his experience in Java-related stacks like Spring and Hibernate.

Abilio Esteves
Integration Developer
Abilio is a software engineer leader with solid education and experience developing scalable web apps and secure infrastructure software. He has worked at IBM as an engineering manager, creating and delivering solutions for over 77 million people in Brazil. Abilio is currently at Anjuna Security in California, pioneering the field of zero-trust security with confidential computing.

Stuart Corrans
Integration Developer
Stuart is a certified Azure developer and architect with 20+ years of experience. In recent years, he has specialized in enterprise integration and back-end projects, tackling problems of big data, scale, performance, and observability. He is passionate about mentoring, training, and technical writing, ensuring knowledge is transferred to developers and users when a project is completed. Stuart is currently ranked inside the top 0.2% of Stack Overflow.

Santosh Prasad
Integration Developer
Santosh is an enterprise application integration specialist (EAI) with 14 years of experience designing and implementing integration solutions. He is an expert across the MuleSoft Anypoint Platform (3x MuleSoft Certified), in the Software AG Product Suite (5x SoftwareAG Certified), and in implementing integration solutions for ESB, API, EDA, B2B, and business process management. He has worked with renowned clients on multi-million dollar insurance, supply chain, and logistics projects.

Hamdi Arem
Integration Developer
Hamdi is an IT enthusiast with several years of experience in the integration field, mainly supporting people and processes migrating into the API world. An expert in implementing API-led connectivity and using MuleSoft, Hamdi provides best practices and knowledge training. He is a good listener, open to any suggestions, and can work well with others or entirely independently if needed.

Anna Avanesyan
Integration Developer
Anna is an experienced back-end engineer with over five years experience in top IT companies and a BBA in computer science from the American University of Armenia. She has extensive experience creating and maintaining RESTful microservice applications using Node.js and Nest.js and databases with mobile and web payment systems integration. Anna has developed applications that have served over 150 million monthly active users.

Mayur Bavisiya
Integration Developer
Mayur is a senior software engineer with 10+ years of experience building secure, scalable back-end systems using Java, Spring Boot, REST, SQL/NoSQL, Kafka, Docker, and AWS across finance, telecom, real estate, and government. Recently, he focused on AI apps—delivering on-prem LLM chatbots, RAG pipelines (LangChain, LangGraph), agentic workflows, and semantic search using vector and graph databases. Mayur combines deep back-end expertise with GenAI to ship intelligent, production-ready systems.

Kyrylo Kostiukov
Integration Developer
Kyrylo has experience in business intelligence (BI), data analytics, and machine learning projects for Magento merchants. He is the author of an extension for the integration of Magento with Power BI who prefers data-related projects and offers Power BI reports and dashboards development services, such as BI reporting, forecasting, and embedded analytics. Kyrylo has a background in business management and statistics to support companies in data analytics and KPI development.

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26.4%Pass Rate
Excellent technical communication
7.4%Pass Rate
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3.6%Pass Rate
Proactive problem-solving
3.2%Pass Rate
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3%Pass Rate
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Why Organizations Choose Toptal®

Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.
Thierry JakircevicGeneral Manager, Digital Solutions, Bridgestone

Toptal’s talent is really excellent. They are able to work through large business problems and code incredibly efficiently.
Emily LemonSenior Director, Cleveland Cavaliers

The kind of people we looked for were hard to find. Toptal helped us achieve our goals by bringing high quality resources to bear on very short notice.
Elmar PlatzerDigital Transformation Leader, CSR

If you’ve tried working with other vendors, Toptal is going to be a different type of company to work with; they’re going to meet you where your needs are.
Matthew SchumacherSenior Product Manager, Alpha - Precision Drilling
Top integration developers are in high demand. Ready to get started?