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  • Mahmoud

    Back-end Web Developer

    Turkey/(GMT +3:00)

    Mahmoud is a Middle Backend Developer specializing in Node.js. He has a solid background in building desktop applications and a good grasp of Object-Oriented Programming principles. Mahmoud also brings experience in developing commercial APIs with TypeScript and some familiarity with CI/CD pipelines using GitHub Actions. Additionally, he has exposure to microservices architecture and cloud platforms such as Microsoft Azure and Google Cloud Platform (GCP). Mahmoud's technical skills and experience make him a reliable developer.

    Experience

    16 years

    Availability

    Full-time

  • Adrian

    Back-end Web Developer

    Ukraine/(GMT +2:00)

    Meet Adrian, a Senior Back-End Developer with 6+ years of commercial experience. Adrian is most proficient with Python and JavaScript but open to any project stack! His hardware skills are metrology, automation systems, microcontrollers, scheme-building, and digital and analog electronics projecting. Adrian is an open-minded person with a great desire for professional growth. His previous experience includes working for a fintech company, a project for schools, and a vaccination assessment service.

    Experience

    11 years

    Availability

    Part-time & Full-time

  • Thiago

    Back-end Web Developer

    Portugal/(GMT)

    Thiago is a Senior Backend Engineer with over 15 years of professional experience in PHP development, specializing in Laravel, MySQL, and REST API development. Throughout his career, he has gained extensive experience building and maintaining complex backend applications, modernizing legacy systems, developing scalable microservices, and optimizing database performance. He demonstrates strong knowledge of backend architecture, software engineering principles, database management, asynchronous processing, and application scalability. He is comfortable working with established systems, improving existing solutions, and identifying opportunities to streamline business workflows.

    Experience

    16 years

    Availability

    Part-time & Full-time

  • Rodrigo

    AI Engineer

    Brazil/(GMT -3:00)

    Rodrigo is a senior AI engineer with 5 years of experience in applied AI, specializing in RAG systems, LLM application design, and workflow orchestration using Python. He has led the development of production-grade conversational AI and enterprise automation platforms, demonstrating strengths in reliability, idempotency, and business-risk analysis. Rodrigo is effective as a senior IC or technical lead, communicates complex concepts clearly, and has a strong client- and product-first mindset.

    Experience

    5 years

    Availability

    Part-time & Full-time

  • Lucas

    Full-stack Web Developer

    Brazil/

    Lucas is a curious and action-oriented Full-stack Developer with a total commercial experience of 10 years in the IT industry. He has a great eye for design and believes that communication is the key to great work. Lucas loves to learn new technologies and methodologies that will improve the output of the project and respect clean code and clean architecture principles. He always tries to work with challenging projects that will put him out of his comfort zone.

    Experience

    14 years

    Availability

    To be verified

  • David

    Back-end Web Developer

    Colombia/(GMT -5:00)

    David is a Full-stack Developer with 13 years of experience, specializing in PHP, Laravel, and Angular. He has led a team of 5 developers and worked with clients such as T-Mobile, Olympus, and Disney. With strong back-end and microservices expertise, he takes a methodical approach to delivery and pragmatic ownership of systems. While his focus leans toward backend development, he understands critical front-end performance considerations and resource management.

    Experience

    14 years

    Availability

    Full-time

  • Josue

    Back-end Web Developer

    France/(GMT -8:00)

    Josué is a Senior Back-End Engineer with 10+ years of experience building Go systems across sports media, cloud infrastructure, healthtech and fraud prevention. His core stack is Go, Kafka, PostgreSQL, Redis and Cassandra on GCP, AWS and Azure, plus hands-on LLM and RAG integration. He works well as the only engineer on a product: he founded and built a real-time fraud detection SaaS that returns a verdict from 150+ signals in 67ms median with 94% accuracy, and as a fractional CTO he cut a healthtech client’s infrastructure costs by 60%. He’s strong on Go internals and event-driven systems, and he frames technical decisions in terms of business value.

    Experience

    13 years

    Availability

    Part-time & Full-time

  • Shahbaz

    Full-stack Web Developer

    United States/(GMT -6:00)

    Shahbaz is a senior full-stack developer with 13 years of experience. He demonstrates expertise in building performant, reusable components and has hands-on experience with AWS infrastructure and asynchronous Node.js patterns. His background spans e-commerce, entertainment, and blockchain domains. Feedback highlights clear communication, teamwork, and a client-aware approach.

    Experience

    13 years

    Availability

    Full-time

  • Aaban

    Automation QA Engineer

    Brazil/(GMT -3:00)

    Aaban is the QA engineer your project is missing! Over 6 years of commercial experience, he has greatly contributed to projects across various domains like fintech, credit and landing, cryptocurrency cloud computing, telecommunications, leveraging businesses to the next level! His prior experience as a Lead QA engineer, showcases his leadership skills, which will positively affect any team structure!

    Experience

    8 years

    Availability

    Full-time

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Developers who got their wings at

How it works

How to hire a Delphi developer in four short steps

1

Fill in a short form

Tell us about your Delphi project, timeline and hours, then look through our vetted developers.

2

Take a 30-minute call

A Lemon.io matching expert goes over your needs and gives you a budget estimate.

3

Meet 1–3 candidates

Delphi specialists are rare, so profiles can take longer than 24 hours. Interview candidates as usual.

4

Start working

Your developer joins your team part-time or full-time and works directly with you.

Testimonials

Start to finish in under a week with zero wasted time

Reached out on Monday evening, connected Tuesday morning, had four qualified candidates by Wednesday.

Brian DeSpainBrian DeSpainCEO, 10X ERP
High quality, well-qualified developers

We had an excellent experience. Process is fast from the initial intake through setting up payment.

Katie RoyKatie RoyExecutive Director, The SPEND Initiative
7 developers hired in 24 hours

The developers helped us speed up. They quickly learned their part of the app and we’re grateful for their contribution.

Conor MackenConor MackenDirector of Engineering, tvScientific

Lemon.io does the hiring work. You pick the Delphi developer.

We vet every developer

Every Delphi developer passes a live interview with a senior engineer. We accept 1.2% of applicants.

No juniors, 3+ years

We hand-pick your matches

A matching expert picks people by your stack, domain and time zone, and tells you why each one fits.

Human, not a filter

We handle the paperwork

We handle contracts, NDAs and invoices. You pay Lemon.io, and we pay your developer.

You own the IP

We stay after you hire

Your Lemon.io manager stays in touch with you both. If it doesn't work out, we find a replacement for free.

Free replacement

The lemon tea

Delphi developers for apps your business runs on

Plenty of companies still run on a Delphi app built years ago. Lemon finds developers who keep it stable and plan the next step, whether that's a newer Delphi or the web.

What you should know about modern Delphi devs

Hiring Guide: Delphi Developers

If you’re planning to hire Delphi developers, you’re looking for professionals skilled in one of the most enduring and versatile programming languages for Windows and cross-platform development. Delphi (based on Object Pascal) is widely used for building high-performance desktop, mobile, and enterprise software. From legacy modernization to new application development, experienced Delphi developers can help you maintain reliability while embracing modern architectures.

Why Hire Delphi Developers?

Delphi remains a go-to technology for many industries that require long-term application stability and high performance, including finance, healthcare, logistics, and manufacturing. Modern Delphi—powered by Embarcadero’s RAD Studio—enables cross-platform apps for Windows, macOS, iOS, and Android, all from a single codebase. Hiring Delphi developers ensures you can extend or modernize mission-critical systems without downtime or full rewrites.

Core Responsibilities of Delphi Developers

     
  • Design and develop high-performance applications using Delphi and Object Pascal.
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  • Modernize legacy Delphi applications to support new platforms or frameworks.
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  • Integrate Delphi software with REST APIs, SQL databases, and external systems.
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  • Maintain and debug existing codebases to improve reliability and performance.
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  • Develop user interfaces using the Visual Component Library (VCL) or FireMonkey (FMX).
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  • Implement data access layers with FireDAC or ADO components for efficient database management.
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  • Collaborate with QA and DevOps teams to ensure continuous deployment and testing.

Key Technical Skills to Look For

     
  • Languages & Frameworks: Object Pascal, Delphi 10.x (RAD Studio), VCL, FMX, and C++ interoperability.
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  • Databases: MySQL, Firebird, Oracle, PostgreSQL, and MS SQL Server.
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  • API & Integration: REST, SOAP, JSON, XML, and HTTP client-server communication.
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  • Tools: FireDAC, ADO, Indy components, and RAD Studio IDE.
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  • UI/UX: Form-based and component-driven GUI development using VCL and FireMonkey.
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  • Version Control: Git, SVN, or Mercurial for code collaboration.
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  • Cross-Platform Expertise: Delphi for Windows, macOS, iOS, and Android builds.

When to Hire Delphi Developers

     
  • When you need to maintain or refactor large legacy applications built with Delphi or Pascal.
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  • When developing enterprise-grade Windows or cross-platform desktop apps.
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  • When migrating applications to cloud-connected or database-driven systems.
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  • When building low-latency, reliable software for industrial or financial use cases.
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  • When modernizing existing applications without disrupting mission-critical operations.

How to Hire the Right Delphi Developer

1. Define Your Modernization or Development Goals

Decide if your project involves maintaining legacy Delphi code, refactoring into a newer framework, or building new applications from scratch. This helps determine whether you need classic Delphi expertise or experience with newer RAD Studio releases.

2. Assess Technical Depth

Evaluate candidates on their experience with both Object Pascal and modern Delphi frameworks. Review their familiarity with FireDAC for data access, VCL for Windows UI, and FMX for cross-platform mobile development.

3. Interview Questions

     
  • What’s the difference between VCL and FireMonkey in Delphi?
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  • How would you optimize performance in a Delphi database application?
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  • Describe your experience with migrating legacy Delphi systems to modern environments.
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  • How do you handle REST API integrations in Delphi?
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  • What are common pitfalls when developing with multi-threaded Delphi applications?

4. Practical Test

Ask candidates to build a simple CRUD application using Delphi that integrates with a PostgreSQL or SQLite database. Evaluate their code readability, component usage, and ability to apply best practices.

Average Cost of Hiring Delphi Developers

Delphi developers’ rates vary depending on expertise, region, and project complexity:

     
  • Junior Developers (1–3 years): £35–£55/hour
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  • Mid-Level Developers (3–6 years): £60–£90/hour
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  • Senior Developers (7+ years): £95–£130/hour

When you hire through Lemon.io, you gain access to vetted Delphi developers with experience in enterprise software, legacy maintenance, and cross-platform modernization.

Why Hire Through Lemon.io?

Lemon.io connects you with top Delphi engineers who combine deep legacy system experience with modern development practices. Whether your goal is to optimize a Windows-based ERP, rebuild an industrial control system, or extend cross-platform functionality, our experts deliver reliable and scalable solutions.

Hire Expert Delphi Developers →

FAQs About Hiring Delphi Developers

 
  

What is Delphi used for?

  

   

Delphi is used for developing high-performance desktop, mobile, and enterprise applications, especially in industries that require robust, long-term software systems.

  

 

 

  

Is Delphi still used today?

  

   

Yes. Delphi remains actively maintained by Embarcadero and widely used in sectors that rely on reliable and high-speed software solutions.

  

 

 

  

Can Delphi create cross-platform applications?

  

   

Yes. With FireMonkey (FMX), Delphi can build applications for Windows, macOS, iOS, and Android from a single codebase.

  

 

 

  

What is the difference between VCL and FMX?

  

   

VCL is used for building Windows desktop applications, while FMX enables cross-platform app development using the same Delphi codebase.

  

 

 

  

Can I hire remote Delphi developers through Lemon.io?

  

   

Yes. Lemon.io connects you with experienced Delphi developers ready to work remotely on your projects with quick onboarding and flexible arrangements.

  

 


Book a call with an expert so you can be sure in your hiring strategy

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Why hire Delphi developers

A Delphi developer keeps the app your operations depend on running, and plans its future.

Keep it running

Bug fixes and small changes in a Delphi app your team uses every day.

Delphi version upgrades

Move from an old Delphi release to a current one without rewriting.

Database migration

Swap aging databases like Paradox or old Firebird versions for supported ones.

Path to the web

Plan and build a web version step by step while the desktop app keeps working.

Case studies

Aerospace

The experience with Lemon.io has been fantastic. The interview process has been good, the caliber of people – excellent and integration has been very smooth.

Marc Horowitz
Marc HorowitzCOO of SkyFi
Explore case
Telecommunications

We needed extra developers to clean off all these bugs so the company could skyrocket.

Conor Macken
Conor MackenDirector of Engineering
Explore case
AI

We needed extra AI engineers to keep our ambitious project running.

Mike Lukiman
Mike LukimanFounding Senior Software Engineer at Everstar.ai
Explore case

Frequently asked questions

Where can I find Delphi developers?

There are several channels to find Delphi developers. You can place job listings on different freelance platforms and then review developer profiles. You can also follow job boards such as Indeed, LinkedIn, or Glassdoor to look for profiles of Delphi developers. By participating in technology communities such as Stack Overflow, Reddit, and others you can establish communication with developers experienced with Delphi while professional networks like LinkedIn or Xing can connect you directly to interested candidates. There are also online forums focused on Delphi development, like the Embarcadero Delphi forum. The local meetups, tech conferences, and networking events are also an excellent way to find developers.

Lemon.io and other recruitment agencies/platforms that focus on finding remote tech talent can also aid in your developer search. With these channels, you can easily find good candidates.

What is the no-risk trial period for hiring a Delphi developer on Lemon.io?

We have built our hiring process to make it risk-free while ensuring that it helps you find the talent specific to your requirements. At Lemon.io, we offer trial periods of up to 20 hours after you start work with a Delphi developer. The trial period will help you decide whether the developer is suitable for your project or not. When the trial period is up and if you are happy with your developer we will bill you for that time (at our very affordable rates) and continue working together. If the developer does not meet your requirements, we can always find you another good candidate for your project.

Are Delphi developers in demand?

There is still demand for Delphi developers, especially for legacy systems and applications. There are many companies that continue to use Delphi for maintaining and updating their software systems. The demand is frequently generated by the requirement to support or upgrade these legacy systems. Meanwhile, because of Delphi’s strength as a desktop and enterprise application builder, it continues to cater well to specialized projects. Whereas the market for Delphi developers may not be as booming as it is for other, more modern, and widespread programming languages or frameworks, there are some sectors – finance, and healthcare, to name a few – where there is still a demand.

How quickly can I hire a Delphi developer through Lemon.io?

You can hire Delphi developers through Lemon.io in as little as one week. Upon contacting Lemon.io, we will introduce you to a validated talent pool.

The hiring process at Lemon.io involves several steps. First, free consultation, which is usually 1 or 2 days. This is followed by the matchmaking to find a good fit Delphi developer from our talent pool, normally completed within 24-48 hours. Next, you can start interviewing the shortlisted candidate(s) to validate if they are right for your project. Usually, it takes about 3 days considering both your and a candidate’s availability. If you like a candidate we can proceed with arranging a paid trial period. If a selected developer fits your project requirements you can continue working with that developer.

How much does a Delphi developer charge per hour?

Hourly rates of Delphi developers might depend on many factors such as experience, location, and how complicated the project is. If you are hiring in areas with lower cost of living like Eastern Europe or some regions in Asia, you may pay less per hour than, say, somewhere more expensive like North America and Western Europe, where they tend to charge higher rates. You might pay more even for the specific expertise of an engineer or time-sensitive work.

The average rates for Delphi developers: junior developers earn $20-40 per hour; mid-level developers – $40-70 per hour; and senior professionals earn between about $70-120+ per hour.

What is the vetting process for developers at Lemon.io?

At Lemon.io, we developed a rigorous vetting process to find the best developers for our clients. This process is divided into several phases:

1. Application & shortlisting candidates. Profiles are submitted by candidates and then automatically vetted for experience, tech stack, English proficiency and location. The automated system decides whether they meet the first filtering criteria or not.

2. Profile verification. We verify all skills and experience the candidates include in their CVs and LinkedIn profiles.

3. Tech screening call. Candidates have a screening call with recruiters and respond to technical questions on Coderbyte.

4. Hard skills interview with technical and live coding tasks. Finally, we test the coding skills and tech knowledge by giving a set of live coding tasks.

How can your business benefit from hiring a Delphi developer?

Hiring a Delphi developer gives a few benefits, especially if you work with legacy systems or need specific application functionality.

1. Maintenance of legacy systems. Businesses come to us with Delphi-built legacy systems still in place. These systems can be kept up to date and in good running order (including performance tuning) by a Delphi developer.

2. Cost-efficiency. Hiring a dedicated Delphi developer can be cost-efficient, especially if your company has existing Delphi applications. Rather than moving to another platform, a Delphi developer can complement and expand the features of your existing software.

3. Quick development, known as rapid application development (RAD) with Delphi. An experienced Delphi developer knows how to quickly develop, test, and deploy new applications to reduce the time-to-market of a product.

4. Cross-platform development. Delphi supports cross-platform development for Windows, macOS, iOS and Android. This allows a Delphi developer to build applications that function across different platforms, which in turn increases your product’s reach.

5. Customizable and flexible solutions. A Delphi developer can build a customized application that caters to your business needs.

Why should I use Lemon.io for hiring developers?

By choosing Lemon.io to hire developers, you can be confident your software will be in the best hands. Each developer at Lemon.io is rigorously screened through technical tests, live interviews, and test projects.

Our platform connects you with developers from different countries making it easy to find the one who best suits your project. With our matching system, we can connect you to top developers ready to work on your project within 48 hours. Moreover, Lemon.io provides a paid trial period of up to 20 hours that will help you determine if a developer performs as expected. If a selected candidate doesn’t meet your expectations we’ll find an immediate replacement for them. Additionally, Lemon.io assists with your hiring and engagement process, covering communication and project management as well as issue resolution.

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