OpenVPN Inc is a privately held company based in Pleasanton, California, integrating a suite of leading-edge networking and software technologies.
4 июня 2018

Java Engineer for Networking Solutions


Необходимые навыки

We are looking for a systems and software engineer with a strong working knowledge of Java, JSON and REST APIs, databases. You should be familiar with TCP/IP networking, SSL VPN, routing protocols, and distributed systems, possess a solid conceptual foundation in the development of distributed and cloud-computing systems, and have 3 or more years of network programming experience on Linux development environments.

Required Experience:
— Strong programming experience on Java (ideally technologies like Spring, Hibernate)
— Solid experience in JSON and REST API development on both server and client side (ideally DropWizard/Jersey/Jackson)
— Experience with RDBMs (MySQL), NoSQL (Cassandra) and key-value store (Redis/Memcache)
— Experience with change management tools (Git) and the standard software development cycle
— Experience with deployment on Docker and AWS
— Knowledge of authentication mechanisms such as SAML and OAuth
— Familiar with SSL VPNs, IP routing, BGP, and other dynamic routing protocols
— Familiar with the following communication protocols: TCP/IP stack (UDP and TCP), Berkeley sockets, HTTP, HTTPS, and other networking protocols

Будет плюсом

— Working knowledge of C++
— Experience with message queuing systems (Kafka)
— Javascript (Node.JS)
— Networking experience on Linux including deep understanding of the Linux network stack and kernel networking modules such as xfilter/netfilter
— Hands-on work experience with Linux platforms in a networking environment (Debian)
— Experience in the security space, specifically PKI, encryption, x.509 certificates, SSL, Deep Packet Inspection, packet analyzers such as Wireshark, etc.
— Experience in hardening Linux servers and services against attack, handling attacks like DDoS, dictionary attacks, low-latency TCP/IP stack vulnerabilities, etc.
— Experience with Software Defined Networks (SDNs)
— CS graduate or post-graduate
— Open Source experience


We are the team that created OpenVPN, the industry-standard VPN protocol now used by most of the commercial VPN providers worldwide. You will be the one to push further the product that millions of people around the world will be interacting with on a daily basis!

Our philosophy is that we are a small, closely-knit team and we care deeply about you:
• Competitive salary
• Great new office space in Lviv
• Flexible working schedule, partially remote work possible
• Working directly with colleagues from San Francisco and around the world
• Team trips, certification and events compensation, medical insurance, sports etc.
• Last but not least, we are really fun to work with!


You will join a team that is responsible for the requirement specifications, system specifications, software development and maintenance of the Private Tunnel cloud service (

The responsibilities include:

— Development and support of a Linux based distributed Private Tunnel server software
— Development of a web-based API (using JSON and REST) for management of Private Tunnel systems.
— Collaboration with other developers for development and deployment.

О проекте

If you have ever used a VPN service, chances are it was based on OpenVPN, an open-source protocol that we first developed 16 years ago and that has since become the de-facto industry standard implemented in the majority of commercial VPN software. Millions of companies and individual users worldwide have trusted us to transmit their sensitive data in a secure, encrypted fashion. But this was just the beginning...

We are now developing a whole new range of products aimed to deliver our services in a scalable fashion to tens and even hundreds of millions of customers worldwide. To support this ambitious goal, we have set up an R&D center in Ukraine that will, jointly with our headquarters in San Francisco, be the cornerstone of the future generation of VPN technologies used across the globe. This is the story that we are inviting you to join!

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