Hire the Top 3% of Back-end Developers in 48 Hours

Our back-end developers focus on building the engine that powers your applications. With expertise in server-side logic, database management, and API creation, they craft scalable systems to handle high traffic, complex workflows, and advanced functionalities with ease.

Meet Back-end Developers in Our Exclusive Network

Featured Talent

Marcus Young, Accomplished back-end Freelancer.

Marcus Young

Verified Expert in Engineering
18 Years of Experience

Back-end Developer

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.

Back-end DevelopersGolangSpring BootPythonJavaRubyIntegrationMicroservices DevelopmentAPIRAGPrompt EngineeringArtificial IntelligenceXML
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Tudor Vlad, Freelance back-end Engineer.

Tudor Vlad

Verified Expert in Engineering
19 Years of Experience

Back-end Developer

Tudor is a senior IT professional with over 15 years of experience, focused on creating meaningful impact via software. He is an Agile practitioner and a team player. He has architected, led, and/or co-managed the development of four SaaS products and one physical asset procuring and leasing service since 2015. As an architect and senior back-end engineer, Tudor works closely with clients across various industries, including finance, payments, fintech, insurtech, and eCommerce.

Back-end DevelopersJavaSoftware ArchitectureSpring BootSpring
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Adam Bernot, Freelance back-end Developer for Hire.

Adam Bernot

Verified Expert in Engineering
14 Years of Experience

Back-end Developer

Adam is a software engineer specializing in back-end development, with additional expertise in DevOps and front-end development. He loves working with Go, Kubernetes, and cloud-native applications. Adam has extensive experience in leadership, diverse issues, collaboration, and compassion. He believes it's the people who make the work fantastic.

Back-end DevelopersKubernetesGoogle Kubernetes Engine (GKE)GolangMicroservices DevelopmentCloud EngineeringCI/CDDevOps
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Frank Ji, Freelance back-end Engineer.

Frank Ji

Verified Expert in Engineering
11 Years of Experience

Back-end Developer

Frank is a seasoned professional currently working as a software engineer at Amazon. He previously served as the VP of engineering at Penfield.AI, a Toronto AI startup pioneering in empowering human-machine intelligence in the cybersecurity space. Frank also worked as a senior engineer at Meta's enterprise trust organization, helping to build Facebook's privacy and compliance software infrastructures. He also worked on IBM WebSphere Java Runtime, which powered many Fortune 500 Java applications.

Back-end DevelopersAlgorithmsMacOSFull-stackNode.jsPythonReact.jsGraphQLJavaMicroservices DevelopmentBusiness Intelligence DevelopmentWeb DevelopmentJavaScript
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David Grigorian, Freelance back-end Developer for Hire.

David Grigorian

Verified Expert in Engineering
14 Years of Experience

Back-end Developer

David is a seasoned full-stack software engineer specializing in back-end development. As the lead engineer, he's led the development of a truck and load scheduling platform now used by the largest US trucking company. As the back-end architect and co-founder of ParcelRobin, David has driven the startup to six-figure annual revenue with over a thousand loyal users. He delivers impactful solutions, leveraging his extensive experience to innovate and optimize software development processes.

Back-end DevelopersWindows DevelopmentVisual Studio DevelopmentC#Stripe DevelopmentGitMySQLE-commerce DevelopmentJiraSQLREST APIAgile DevelopmentSlack Development
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Xiao Huang, back-end Engineer.

Xiao Huang

Verified Expert in Engineering
8 Years of Experience

Back-end Developer

Xiao is a software engineer with several years of professional experience in developing large-scale software primarily in automotive, including autonomous driving, navigation systems, etc. Xiao's primary language is C++, but he also has development experience in Python, MATLAB, and CUDA. Other than delivering products, Xiao has worked on build systems and continuous integration pipelines.

Back-end DevelopersGitAlgorithmsMATLAB
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Marco Martins Castanho, Senior back-end Programmer and Consultant.

Marco Martins Castanho

Verified Expert in Engineering
12 Years of Experience

Back-end Developer

Marco is a software engineer with nine years of experience in IT, focusing on both back-end and front-end development. After graduating with an MSc in electrical engineering and computer science, he worked as an IT consultant in Lisbon, Portugal. He accepted the challenge of moving to France to gather experience working in international contexts. Since then, Marco has worked as a software engineer, technical lead, and scrum master on various projects.

Back-end DevelopersPythonJSONTypeScriptDjangoREST API
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Vlad Berindei, Accomplished back-end Freelancer.

Vlad Berindei

Verified Expert in Engineering
11 Years of Experience

Back-end Developer

Vlad is a highly skilled software engineer with an extensive background in algorithms and computer science. He has 5+ years of experience working on back-end services and distributed systems at Google. Vlad is looking for new and challenging projects that would allow him to show his proficiency in C, C++, Python, SQL, and other languages.

Back-end DevelopersCC++SQLAlgorithmsMathematicsRuby
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David Sumegi, Freelance back-end Engineer.

David Sumegi

Verified Expert in Engineering
18 Years of Experience

Back-end Developer

Backed by several years of hands-on experience, David is a software developer who excels at building Java back-end services, relational databases, and software architecture. His solid testing background makes him the type of developer who prevents incidents early on via automated tests with 100% code coverage. David is also an enthusiast of SOLID principles, clean code, clean architecture, and design patterns.

Back-end DevelopersMySQLJavaREST APISoftware ArchitectureJDBCSpringAPIJSONFintech DevelopmentRDBMSTest Automation
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Emil Stoev, Freelance back-end Engineer.

Emil Stoev

Verified Expert in Engineering
25 Years of Experience

Back-end Developer

Emil is an engineering lead with over 20 years of experience in software development and team management. He has a proven track record in leading agile teams and optimizing processes. Emil has expertise in a wide range of technologies, including .NET, C#, C++, Python, Azure, and AWS.

Back-end DevelopersC#jQueryFacebook APIVisual Studio DevelopmentAmazon S3Software Architecture.NET
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Vadim Ovcearenco, Freelance back-end Programmer for Hire.

Vadim Ovcearenco

Verified Expert in Engineering
23 Years of Experience

Back-end Developer

Vadim is an accomplished senior software engineer with over 20 years of experience. Vadim has a solid technical background and extensive expertise in both front- and back-end web development, interactive web applications, and more, enabling him to deliver exceptional results across various projects.

Back-end DevelopersDockerSQLFlaskDjangoPostgreSQLPythonReact.jsREST APIAgile DevelopmentWeb DevelopmentGitHubDevOps
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Discover More Back-end Developers in the Toptal Network
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Discuss your requirements and refine your scope in a call with a Toptal domain expert who specializes in your area of need.
2

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Get a shortlist of expertly matched back-end developers within 24 hours to review and interview.
3

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Start working with your chosen back-end developer. You’ll have up to two weeks to assess the fit: Pay only if you’re satisfied.
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Trusted Talent Only

Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

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Precise Matching

Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.

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Seamless Hiring

We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.

No-risk Trial Period

No-risk Trial Period

We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.

Effortless Scaling

Effortless Scaling

We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

Flexible Engagements

Flexible Engagements

Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.

Our Developer Screening Process

26.4%Applicants Pass

Language and Personality

Toptal developers possess excellent written and verbal communication skills. We test each candidate’s ability to convey complex technical concepts clearly across multiple collaboration tools and communication mediums. We also assess personality traits, looking for candidates who are passionate and fully engaged in their work.

7.4%Applicants Pass

In-depth Skill Review

Developers are required to demonstrate their knowledge and problem-solving ability through various assessments. We evaluate candidates based on their specialized work experience and knowledge of core technical domains, such as algorithms, data structures, system design, software engineering fundamentals, and more.

3.6%Applicants Pass

Live Screening

Toptal developers are skilled at tackling complex technical challenges creatively and independently. Each candidate participates in a live screening with one of our top developers, where they must demonstrate their ability to analyze technical challenges, propose multiple solution paths, and make decisions in real time.

3.2%Applicants Pass

Test Projects

Toptal developers are required to complete a test project that reflects real client work. During this step, candidates demonstrate their ability to ideate, scope, implement solutions, and solve complex technical problems in real-world scenarios.

3%Applicants Pass

Continued Excellence

Toptal developers are expected to maintain a strong track record while working with clients. We continuously evaluate our talent throughout engagements to ensure our high standards for excellence and performance are consistently met.

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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

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