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Hire OpenBSD Developers: Affordable, Dedicated Experts in 72 hours

Hire OpenBSD experts for security-hardened systems and embedded device development. Vetted by Flexiple.

Clients rate Flexiple OpenBSD developers 4.9 / 5 on average based on 12,830 reviews.

  1. Hire OpenBSD Developers

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100+ fast-growing companies love Flexiple!

Team work makes dreamwork. Flexiple helps companies build the best possible team by scouting and identifying the best fit.

“I’ve been pleased with Purab’s performance and work ethics. He is proactive in flagging any issues and communicates well. The time zone difference is huge but he provides a sufficient overlap. He and I work together very well and I appreciate his expertise.”

Paul Cikatricis

UX and Conversion Optimization Lead

“Flexiple has exceeded our expectations with their focus on customer satisfaction! The freelancers are brilliant at what they do and have made an immense impact. Highly recommended :)”

Henning Grimm avatar

Henning Grimm

Founder, Aquaplot

“Overall Flexiple brought in high-level of transparency with extremely quick turnarounds in the hiring process at a significantly lower cost than any alternate options we had considered.”

Kislay Shashwat avatar

Kislay Shashwat

VP Finance, CREO

“Todd and I are impressed with the candidates you've gathered. Thank you for your work so far. Thanks for sticking within our budget and helping us to find strong talent. Have loved Flexiple so far — highly entrepreneurial and autonomous talent.”

William Ross avatar

William Ross

Co-Founder, Reckit

“The cooperation with Christos was excellent. I can only give positive feedback about him. Besides his general coding, the way of writing tests and preparing documentation has enriched our team very much. It is a great added value in every team.”

Moritz Gruber avatar

Moritz Gruber

CTO, Caisy.io

“Flexiple spent a good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by developers. We also found them to be much more affordable than other alternatives for the same level of quality.”

Narayan Vyas avatar

Narayan Vyas

Director PM, Plivo Inc

“It's been great working with Flexiple for hiring talented, hardworking folks. We needed a suitable back-end developer and got to know Ankur through Flexiple. We are very happy with his commitment and skills and will be working with Flexiple going forward as well.”

Neil Shah avatar

Neil Shah

Chief of Staff, Prodigal Tech

“Flexiple has been instrumental in helping us grow fast. Their vetting process is top notch and they were able to connect us with quality talent quickly. The team put great emphasis on matching us with folks who were a great fit not only technically but also culturally.”

Tanu V avatar

Tanu V

Founder, Power Router

“Flexiple has exceeded our expectations with their focus on customer satisfaction! The freelancers are brilliant at what they do and have made an immense impact. Highly recommended :)”

Henning Grimm avatar

Henning Grimm

Founder, Aquaplot

“Overall Flexiple brought in high-level of transparency with extremely quick turnarounds in the hiring process at a significantly lower cost than any alternate options we had considered.”

Kislay Shashwat avatar

Kislay Shashwat

VP Finance, CREO

“Todd and I are impressed with the candidates you've gathered. Thank you for your work so far. Thanks for sticking within our budget and helping us to find strong talent. Have loved Flexiple so far — highly entrepreneurial and autonomous talent.”

William Ross avatar

William Ross

Co-Founder, Reckit

“The cooperation with Christos was excellent. I can only give positive feedback about him. Besides his general coding, the way of writing tests and preparing documentation has enriched our team very much. It is a great added value in every team.”

Moritz Gruber avatar

Moritz Gruber

CTO, Caisy.io

“Flexiple spent a good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by developers. We also found them to be much more affordable than other alternatives for the same level of quality.”

Narayan Vyas avatar

Narayan Vyas

Director PM, Plivo Inc

“It's been great working with Flexiple for hiring talented, hardworking folks. We needed a suitable back-end developer and got to know Ankur through Flexiple. We are very happy with his commitment and skills and will be working with Flexiple going forward as well.”

Neil Shah avatar

Neil Shah

Chief of Staff, Prodigal Tech

“Flexiple has been instrumental in helping us grow fast. Their vetting process is top notch and they were able to connect us with quality talent quickly. The team put great emphasis on matching us with folks who were a great fit not only technically but also culturally.”

Tanu V avatar

Tanu V

Founder, Power Router

Clients

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Frequently Asked Questions

View all FAQs

What is Flexiple's process?

Our process is fairly straightforward. We understand your requirements in detail and recommend freelancers per your specific needs. You can interview the freelancers we recommend though they are already vetted by us rigorously. Once you like someone and decide to work with them, we draw up a tripartite agreement. You work directly with the freelancer, just the invoicing is done by Flexiple.

Is there a project manager assigned to manage the resources?

Our core strength is with freelance developers and designers. Though we do have senior engineers who can work as tech leads, project managers are not part of our offering.

What is Flexiple's model?

We typically work on an hourly model of upwards of US$30 per hour. For full-time longer term engagements, we can also work on a monthly model of upwards of US$5000 per month.The rates vary depending on the skill sets, experience level and location of the freelancer.

What are the payment terms?

- In the hourly model, the invoice is raised weekly/ fortnightly and is payable within 3 days of receipt of invoice.
- In the monthly model, the invoice is raised monthly and is payable within 7 days of receipt of invoice.

Are there any extras charges?

The hourly/ monthly rate shared is all-inclusive. No additional charges other than taxes are applicable.

How does Flexiple match you with the right freelancer?

Based on your requirements, we look for suitable freelancers based on:
- Tech fit: Proficiency in the tech stack you need, Recent work on stack, Work in a similar role
- Culture fit: Worked in similar team structure, Understanding of your company's industry, product stage.

How to Hire the Best OpenBSD Developers

Engaging expert OpenBSD developers is essential for organizations that prioritize security, correctness, and network reliability. Skilled OpenBSD professionals bring deep knowledge of the OpenBSD kernel, userland utilities, and secure-by-default philosophy to architect and maintain robust systems. By hiring vetted OpenBSD experts—whether freelance, contract, or full-time—you ensure stable, hardened deployments that align with your compliance and operational goals.

Introduction to OpenBSD Development

OpenBSD development focuses on building and maintaining a secure, lightweight Unix-like operating system. A proficient OpenBSD developer typically:

  • Understands Base System: Modifies the kernel and userland tools with C and assembly.
  • Manages Ports & Packages: Maintains pkgsrc or OpenBSD's ports tree for third-party software.
  • Configures Services: Sets up secure daemons—httpd, smtpd, sshd—following OpenBSD conventions.
  • Applies Security Patches: Integrates -stable fixes and audits code for vulnerabilities.
  • Automates Builds: Uses tools like poudriere or custom scripts for reproducible builds.

Why OpenBSD Matters

  • Security by Default: Proactive audit and minimal enabled services reduce attack surface.
  • Code Quality: Rigorous peer review ensures readability and correctness.
  • Stability: Predictable releases with long-term support for critical systems.
  • Documentation: Comprehensive man pages and FAQ for all components.
  • Community Trust: A small, dedicated team maintains consistency and integrity.

Essential Tools and Technologies

  • Compilers: clang/LLVM toolchain for kernel and userland builds.
  • Build Systems: make(1), build.sh, and poudriere for ports.
  • Version Control: CVS for base and Git for third-party overlays.
  • Networking: PF firewall, relayd, and vlan(4) for secure networking.
  • Security: OpenSSH, LibreSSL, and pledge/unveil runtime sandboxing.
  • Automation: rc scripts, config(5), and custom shell/Python scripts.
  • Monitoring: syslogd, tcpdump, and custom SNMP/Prometheus exporters.
  • Virtualization: vmm(4) for lightweight hypervisor use cases.

Key Skills to Look for When Hiring OpenBSD Developers

  • Kernel & Systems Programming: Proficiency in C and familiarity with BSD internals.
  • Security Auditing: Experience reviewing code for buffer overflows, race conditions, and privilege escalation.
  • Networking Expertise: Deep understanding of PF, routing, and secure daemon configuration.
  • Build & Packaging: Managing ports, packages, and reproducible build environments.
  • Automation: Scripting with sh, ksh, or Python for deployment and configuration management.
  • Troubleshooting: Debugging kernel panics, dmesg, and live system issues.
  • Documentation: Writing clear man pages, HOWTOs, and internal guides.
  • Collaboration: Participating in code reviews and the upstream OpenBSD community.

Crafting an Effective Job Description for OpenBSD Developers

Job Title: OpenBSD Systems Developer, BSD Kernel Engineer, Secure Systems Specialist

Role Summary: Outline responsibilities such as kernel feature development, ports maintenance, hardening network services, and collaborating on security audits.

Required Skills: C programming, PF and networking, pkgsrc/ports management, and shell scripting.

Soft Skills: Strong written communication, peer review experience, and a security-first mindset.

Key Responsibilities

  • Kernel Maintenance: Implement and upstream kernel features and security patches.
  • Ports Management: Keep third-party software current and secure in the ports tree.
  • Service Hardening: Configure and secure httpd, smtpd, sshd, and other daemons.
  • Automation & CI: Build reproducible images and run automated test suites.
  • Documentation: Author man pages and internal security guidelines.

Required Skills and Qualifications

  • OpenBSD Experience: 3+ years working with OpenBSD on production systems.
  • Systems Programming: Proficient in C and understanding of operating system theory.
  • Security Practices: Familiarity with pledge, unveil, and secure coding standards.
  • Networking: Expertise in PF, relayd, and secure network design.
  • Build Environments: Experience with poudriere or custom build scripts.
  • Soft Skills: Clear documentation and active participation in open-source communities.

Preferred Qualifications

  • Cross-BSD Knowledge: Experience with FreeBSD or NetBSD internals.
  • Virtualization: Familiarity with vmm(4) and bhyve on other BSDs.
  • No-Risk Trial: Willing to contribute a patch or port update for evaluation.

Work Environment & Compensation

Specify remote, hybrid, or on-site options; competitive salary; benefits such as conference allowances and open-source sponsorship.

Application Process

Detail steps: resume review focusing on BSD contributions, technical assessment (port maintainership or kernel patch), and cultural fit interview.

Challenges in Hiring OpenBSD Developers

  • Niche Expertise: Limited pool of engineers with deep OpenBSD knowledge.
  • Community Standards: Ensuring candidates follow the project’s security and code style conventions.
  • Complexity: Validating advanced skills in kernel and network stack development.

Interview Questions to Evaluate OpenBSD Developers

  • Explain pledge(2) and how you would use it to sandbox a daemon.
  • Describe the process of contributing a patch to the OpenBSD kernel.
  • How do you configure PF to implement a DMZ with stateful packet filtering?
  • What steps do you take to update and audit a port for a critical security vulnerability?
  • Share your approach to diagnosing a kernel panic from dmesg output.

Best Practices for Onboarding OpenBSD Developers

  • Provide Development VM: Share a preconfigured OpenBSD environment with ports tree checkout.
  • Define Pilot Task: Assign a small port update or a minor kernel enhancement.
  • Document Standards: Share coding guidelines, style(9), and security checklist.
  • Mentorship: Pair with a senior BSD developer for initial reviews.
  • Check-Ins: Regular reviews of patches, commits, and documentation updates.

Why Partner with Flexiple

  • Vetted BSD Experts: Access top OpenBSD developers with proven open-source track records.
  • Flexible Engagement: Hire freelance, contract, or full-time talent with a no-risk trial period.
  • Rapid Onboarding: Quickly integrate experts into your BSD infrastructure.
  • Dedicated Support: Leverage project managers to ensure clear communication and delivery.
  • Global Talent Pool: Tap into a network of seasoned OpenBSD professionals across time zones.

Hire OpenBSD Developers: Parting Thoughts

Securing the best OpenBSD developers requires a structured approach—defining clear system and security requirements, evaluating deep kernel and networking expertise, and providing structured onboarding. By focusing on secure configurations, ports maintenance, and rigorous documentation, you can build rock-solid, secure infrastructure. Partner with Flexiple to access elite OpenBSD talent, flexible engagement models, and a streamlined recruitment process—ensuring your system initiatives succeed from day one.

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