Hire Cython Developers
Work with vetted Cython developers from LatAm. Enjoy 70% savings, high-quality hires, and full remote team setup in just 21 days with zero hassle.
Hire Remote Cython Developers
João is a skilled developer from Brazil, mastering Python, APIs, and SQL with flair.
- Python
- Machine Learning Basics
- CSS
- APIs
- SQL
Ana is a dynamic developer from Panama, blending AI and Python with 7 years of expertise.
- C++
- Machine Learning Basics
- Data Visualization
- AI
- Python
Valentina transforms code into seamless solutions. Your go-to for all things dev.
- PHP
- CSS
- JavaScript
- Node.js
- C#
Meet Benjamín, your go-to developer with 12 years of Vue.js, AWS, and SQL expertise.
- Vue.js
- TypeScript
- Node.js
- AWS
- SQL
Valeria is a dynamic developer from Costa Rica, mastering Swift to C++ with 5 years' finesse.
- Swift
- Kotlin
- Angular
- TypeScript
- C++
Diego is a seasoned developer from Mexico, mastering Go, Node.js, React, and AWS.
- Go (Golang)
- Node.js
- HTML
- React.js
- AWS
Meet Sebastián, a developer with 11 years of expertise in Kotlin, Swift, AI, and more.
- Kotlin
- Swift
- AI
- Machine Learning Basics
- Data Visualization
"Over the course of 2024, we successfully hired 9 exceptional team members through Lupa, spanning mid-level to senior roles. The quality of talent has been outstanding, and we’ve been able to achieve payroll cost savings while bringing great professionals onto our team. We're very happy with the consultation and attention they've provided us."
“We needed to scale a new team quickly - with top talent. Lupa helped us build a great process, delivered great candidates quickly, and had impeccable service”
“With Lupa, we rebuilt our entire tech team in less than a month. We’re spending half as much on talent. Ten out of ten”
Lupa's Proven Process
Together, we'll create a precise hiring plan, defining your ideal candidate profile, team needs, compensation and cultural fit.
Our tech-enabled search scans thousands of candidates across LatAm, both active and passive. We leverage advanced tools and regional expertise to build a comprehensive talent pool.
We carefully assess 30+ candidates with proven track records. Our rigorous evaluation ensures each professional brings relevant experience from industry-leading companies, aligned to your needs.
Receive a curated selection of 3-4 top candidates with comprehensive profiles. Each includes proven background, key achievements, and expectations—enabling informed hiring decisions.
Reviews
"Over the course of 2024, we successfully hired 9 exceptional team members through Lupa, spanning mid-level to senior roles. The quality of talent has been outstanding, and we’ve been able to achieve payroll cost savings while bringing great professionals onto our team. We're very happy with the consultation and attention they've provided us."
“We needed to scale a new team quickly - with top talent. Lupa helped us build a great process, delivered great candidates quickly, and had impeccable service”
“With Lupa, we rebuilt our entire tech team in less than a month. We’re spending half as much on talent. Ten out of ten”
“We scaled our first tech team at record speed with Lupa. We couldn’t be happier with the service and the candidates we were sent.”
"Recruiting used to be a challenge, but Lupa transformed everything. Their professional, agile team delivers top-quality candidates, understands our needs, and provides exceptional personalized service. Highly recommended!"
“Lupa has become more than just a provider; it’s a true ally for Pirani in recruitment processes. The team is always available to support and deliver the best service. Additionally, I believe they offer highly competitive rates and service within the market.”
"Highly professional, patient with our changes, and always maintaining clear communication with candidates. We look forward to continuing to work with you on all our future roles."
“Lupa has been an exceptional partner this year, deeply committed to understanding our unique needs and staying flexible to support us. We're excited to continue our collaboration into 2025.”
"What I love about Lupa is their approach to sharing small, carefully selected batches of candidates. They focus on sending only the three most qualified individuals, which has already helped us successfully fill 7 roles.”
"We hired 2 of our key initial developers with Lupa. The consultation was very helpful, the candidates were great and the process has been super fluid. We're already planning to do our next batch of hiring with Lupa. 5 stars."
"Working with Lupa for LatAm hiring has been fantastic. They found us a highly skilled candidate at a better rate than our previous staffing company. The fit is perfect, and we’re excited to collaborate on more roles."
"We compared Lupa with another LatAm headhunter we found through Google, and Lupa delivered a far superior experience. Their consultative approach stood out, and the quality of their candidates was superior. I've hired through Lupa for both of my companies and look forward to building more of my LatAm team with their support."
“We’ve worked with Lupa on multiple roles, and they’ve delivered time and again. From sourcing an incredible Senior FullStack Developer to supporting our broader hiring needs, their team has been proactive, kind, and incredibly easy to work with. It really feels like we’ve gained a trusted partner in hiring.”
Working with Lupa was a great experience. We struggled to find software engineers with a specific skill set in the US, but Lupa helped us refine the role and articulate our needs. Their strategic approach made all the difference in finding the right person. Highly recommend!
Lupa goes beyond typical headhunters. They helped me craft the role, refine the interview process, and even navigate international payroll. I felt truly supported—and I’m thrilled with the person I hired. What stood out most was their responsiveness and the thoughtful, consultative approach they brought.
Cython Developer Soft Skills
Efficiency
Focus on performance improvements to meet demanding compute needs
Curiosity
Explore low-level optimizations through Python-C hybrid code
Accuracy
Ensure precise type declarations and memory handling for safety
Patience
Debug integration with C libraries and performance regressions methodically
Team Integration
Collaborate with data scientists and engineers to accelerate pipelines
Resilience
Persist through cross-compilation and platform-specific builds
Cython Developer Skills
Python-C Integration
Use Cython to compile Python code into C for significant performance boosts.
Static Typing
Apply type annotations to speed up Python code and catch bugs early.
Extension Modules
Build Cython extensions that integrate seamlessly into Python packages.
Numerical Optimization
Accelerate NumPy-heavy computations for scientific and data apps.
Interop with C Libraries
Wrap existing C libraries for Python access via Cython bindings.
Cross-Platform Builds
Compile Cython code to shared objects or DLLs for deployment across OSes.
How to Write an Effective Job Post to Hire Cython Developers
Recommended Titles
- High-Performance Python Developer
- Python/C Integration Engineer
- Scientific Python Developer
- Cython Programmer
- Numerical Computing Engineer
- Python Optimization Developer
Role Overview
- Tech Stack: Proficient in Python, Cython, and C/C++.
- Project Scope: Optimize Python code for performance; integrate C/C++ modules.
- Team Size: Work within a performance engineering team of 3–5 members.
Role Requirements
- Years of Experience: Minimum of 3 years in Python development.
- Core Skills: Strong understanding of performance optimization; experience with C/C++ integration.
- Must-Have Technologies: Cython, Python, C/C++.
Role Benefits
- Salary Range: $99,000 – $125,000 annually, depending on experience.
- Remote Options: Remote work flexibility available.
- Growth Opportunities: Opportunities to work on high-performance computing projects.
Do
- Specify salary and performance-based perks
- Detail Cython, C, and Python integration skills
- Showcase focus on speed and computation
- Emphasize growth in performance-critical projects
- Use sharp, technically advanced phrasing
Don't
- Don’t confuse with Python-only developers.
- Avoid omitting C interoperability experience.
- Don't overlook performance optimization context.
- Don’t leave out compiled code pipeline scope.
- Be clear about compensation and use case.
Top Cython Developer Interview Questions
How to evaluate Cython Developer capabilities
Can you explain the process of optimizing Python code with Cython?
Look for the candidate’s understanding of how Cython speeds up Python code by compiling it into C. They should mention type declarations, reducing Python overhead, and effectively using C libraries.
What are the main differences between Python and Cython syntax?
The candidate should highlight that Cython is a superset of Python, allowing variable type declarations and calling C functions directly, which are not possible in standard Python.
How do you handle memory management when working with Cython?
Check if the candidate knows about Cython’s memory management, which involves understanding C-level memory management practices and using Python’s garbage collection effectively.
What tools do you use for profiling and debugging Cython code?
The candidate should mention tools like cProfile for profiling and gdb or Valgrind for debugging, showing familiarity with diagnosing performance issues.
Can you describe a challenging problem you solved using Cython?
Look for specific examples where the candidate used Cython to solve performance bottlenecks, demonstrating their ability to apply Cython's features effectively to real-world problems.
Can you describe a challenging bug you encountered in a Cython project and how you resolved it?
Listen for a clear explanation of the problem, steps they took to identify the bug, and how they used Cython-specific tools and debugging techniques. A strong answer demonstrates persistence and a systematic approach to problem solving.
How do you approach optimizing Python code using Cython?
Look for candidates who mention profiling Python code to identify bottlenecks, understanding when it’s appropriate to use Cython, and how to write efficient Cython code to achieve significant performance improvements.
Have you ever had to make a trade-off between readability and performance when using Cython?
Favor candidates who can explain a specific scenario where they balanced code readability against performance gains, showing their ability to make strategic decisions in coding.
How do you ensure that your Cython code remains maintainable and scalable?
Good candidates will highlight practices like writing clean, well-documented code, adhering to standards, and using meaningful type annotations. They should also discuss the importance of collaborating with team members for maintainability.
What strategies do you use to handle interoperability between Cython and Python, especially with complex libraries?
Seek candidates who talk about understanding the API, creating robust bindings, and managing data types seamlessly. Their ability to integrate Cython effectively with existing Python code is crucial.
Can you describe a situation where you had to work as part of a team on a complex project?
Look for a candidate who can demonstrate effective collaboration skills, especially in complex scenarios. The response should highlight their ability to communicate, share responsibilities, and contribute to a successful outcome.
How do you handle communication breakdowns within a team?
The candidate should show they can navigate misunderstandings and are proactive in resolving communication issues. Their answer should include strategies they've used to maintain team harmony and ensure clear messaging.
Describe a time when you had to lead a team through a challenging period. What was your approach?
Assess their leadership skills under pressure. The ideal response includes taking initiative, motivating team members, and finding solutions while maintaining morale and direction.
How do you prioritize tasks when you’re under stress or tight deadlines?
Seek evidence of strong organizational and stress-management skills. The candidate should demonstrate how they stay focused, organized, and effective under pressure.
How do you ensure your ideas are clearly communicated and understood by a diverse team?
Evaluate their ability to adapt communication styles to different audiences. They should show an understanding of the importance of clarity and inclusivity in conveying technical concepts.
- Poor Communication Skills
- Inability to Receive Feedback
- Lack of Problem-Solving Ability
- Consistently Missing Deadlines
- Unwillingness to Learn
Build elite teams in record time, full setup in 21 days or less.
Book a Free ConsultationWhy We Stand Out From Other Recruiting Firms
From search to hire, our process is designed to secure the perfect talent for your team
Local Expertise
Tap into our knowledge of the LatAm market to secure the best talent at competitive, local rates. We know where to look, who to hire, and how to meet your needs precisely.
Direct Control
Retain complete control over your hiring process. With our strategic insights, you’ll know exactly where to find top talent, who to hire, and what to offer for a perfect match.
Seamless Compliance
We manage contracts, tax laws, and labor regulations, offering a worry-free recruitment experience tailored to your business needs, free of hidden costs and surprises.
Lupa will help you hire top talent in Latin America.
Book a Free Consultation
Top Cython Developer Interview Questions
How to evaluate Cython Developer capabilities
Can you explain the process of optimizing Python code with Cython?
Look for the candidate’s understanding of how Cython speeds up Python code by compiling it into C. They should mention type declarations, reducing Python overhead, and effectively using C libraries.
What are the main differences between Python and Cython syntax?
The candidate should highlight that Cython is a superset of Python, allowing variable type declarations and calling C functions directly, which are not possible in standard Python.
How do you handle memory management when working with Cython?
Check if the candidate knows about Cython’s memory management, which involves understanding C-level memory management practices and using Python’s garbage collection effectively.
What tools do you use for profiling and debugging Cython code?
The candidate should mention tools like cProfile for profiling and gdb or Valgrind for debugging, showing familiarity with diagnosing performance issues.
Can you describe a challenging problem you solved using Cython?
Look for specific examples where the candidate used Cython to solve performance bottlenecks, demonstrating their ability to apply Cython's features effectively to real-world problems.
Can you describe a challenging bug you encountered in a Cython project and how you resolved it?
Listen for a clear explanation of the problem, steps they took to identify the bug, and how they used Cython-specific tools and debugging techniques. A strong answer demonstrates persistence and a systematic approach to problem solving.
How do you approach optimizing Python code using Cython?
Look for candidates who mention profiling Python code to identify bottlenecks, understanding when it’s appropriate to use Cython, and how to write efficient Cython code to achieve significant performance improvements.
Have you ever had to make a trade-off between readability and performance when using Cython?
Favor candidates who can explain a specific scenario where they balanced code readability against performance gains, showing their ability to make strategic decisions in coding.
How do you ensure that your Cython code remains maintainable and scalable?
Good candidates will highlight practices like writing clean, well-documented code, adhering to standards, and using meaningful type annotations. They should also discuss the importance of collaborating with team members for maintainability.
What strategies do you use to handle interoperability between Cython and Python, especially with complex libraries?
Seek candidates who talk about understanding the API, creating robust bindings, and managing data types seamlessly. Their ability to integrate Cython effectively with existing Python code is crucial.
Can you describe a situation where you had to work as part of a team on a complex project?
Look for a candidate who can demonstrate effective collaboration skills, especially in complex scenarios. The response should highlight their ability to communicate, share responsibilities, and contribute to a successful outcome.
How do you handle communication breakdowns within a team?
The candidate should show they can navigate misunderstandings and are proactive in resolving communication issues. Their answer should include strategies they've used to maintain team harmony and ensure clear messaging.
Describe a time when you had to lead a team through a challenging period. What was your approach?
Assess their leadership skills under pressure. The ideal response includes taking initiative, motivating team members, and finding solutions while maintaining morale and direction.
How do you prioritize tasks when you’re under stress or tight deadlines?
Seek evidence of strong organizational and stress-management skills. The candidate should demonstrate how they stay focused, organized, and effective under pressure.
How do you ensure your ideas are clearly communicated and understood by a diverse team?
Evaluate their ability to adapt communication styles to different audiences. They should show an understanding of the importance of clarity and inclusivity in conveying technical concepts.
- Poor Communication Skills
- Inability to Receive Feedback
- Lack of Problem-Solving Ability
- Consistently Missing Deadlines
- Unwillingness to Learn
