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Software Developer
Ref: SD-NG-Hub

To support our growth, we are hiring a SOFTWARE DEVELOPER


Kalray is a leading French Deep Tech company, originating from the CEA French lab, a prestigious European research laboratory. Specializing in hardware and software technologies for high-performance, data-centric computing markets, Kalray offers a range of products for applications in Datacenters, AI, Media & Entertainment, Life Sciences, Scientific Research, Edge Computing, Automotive, and more. Kalray has notable investors such as Alliance Venture, NXP, CEA, and Bpifrance. The company is listed on Euronext Growth. 

With over 200 employees and a presence in several countries (France, UK, Germany, USA, Romania), the company provides an agile, inclusive, and dynamic environment where individuals, whether experts or recent graduates, can thrive and contribute to Kalray’s success.  

Pixitmedia, a Kalray company, enables Media & Entertainment organizations to streamline their global data workflows and maintain complete control of valuable assets.

You can learn more about Kalray on our website, follow us on LinkedIn.


As a Software Developer, you will work with the NG-Hub Core Development team of 10 people.

The NG-Hub Core Development team develops a highly scalable data management product, used 
by customers to deliver data at extreme speeds, just-in-time, or enabling fully global workflows.

On a day-to-day basis you will be:

  • Primarily working with the development team on software development, review and planning
  • Assisting the wider Kalray and Pixitmedia technical teams with solution software support, including planning use cases, implementation design, and troubleshooting/bug-fixing
  • Infrequently – direct involvement in customer projects as part of a partnership project when developing new use cases / integrations


An “NG-Hub Core” Software Developer you will have the following responsibilities and duties in our company:

  • Maintain, test, develop and support the pixitmedia core product software
  • Create, support and maintain additional software tools and libraries
  • Support the deployment and operation of pixitmedia solutions and products
  • Investigation and development of new or updated solution components
  • Maintain and develop product documentation and training materials
  • Contribute technical expertise at all levels of the organisation, and externally, with regards  to the pixitmedia software
  • Provide 2nd and 3rd level support for software used in deployed solutions

Main tasks:

  • Development of pixitmedia software, including feature enhancements, bug fixes, documentation, and testing
  • Remote assistance for field engineers and support staff carrying out solution deployment, configuration and upgrades
  • Software issue management, ensuring improvements and bug fixes are identified, captured, implemented, released and communicated
  • Automated and manual testing of software
  • Documenting, training and support of contextual ‘standard’ operating procedures for both customers and internal staff for new and updated offerings
  • Providing support to 1st and 2nd Level support staff



  • Test driven software development
  • Proven work experience as a C Developer at a senior level
  • Proficiency in C, C++
  • POSIX file system operations
  • Multi-threading / multi-process / parallel architectures
  • Valgrind, git, gdb
  • Linux competence (Ubuntu and RedHat are primary platforms)

Valuable additional skills:

  • Go
  •  Linux Kernel VFS layer
  • STL and BOOST
  • Software project/issue management systems, such as Jira (preferred), Trac, GitHub, etc.
  • Hands on experience with S3, Azure and GCS SDKs
  • Kernel module development
  • Knowledge of high-level languages including Python and Bash
  • Familiarity with the use of automated testing / CI tools, such as Jenkins
  • Experience with Docker


  • Degree in computer science, data science or information technology preferred or equivalent practical experience.
  • 4+ years of experience
  • Proficient in English, written and spoken
Of course, you might not have all of those required skills! But feel free to apply anyway and explain to us why you believe you are the right person for the job. 


  • Type of contract: Full time and Permanent contract  
  • Starting date: As soon as possible 
  • Location: Remote worker (Europe up to +/- 2 hours London time), or office-based in High Wycombe or Manvers (UK)   
  • Competitive salary based on your skills and experience 
  • Entitlement to free shares plans (RSU)  


  • 25 Days annual leave
  • 5% employer pension contribution and employer match up to 8%
  • Access to Employee Assistance Programme
  • Annual eye test
  • Private Medical insurance, life insurance and death in service on commencement of Employment
  • Access to Medicash plan
  • Electric Car Scheme
  • First interview with the line manager
  • Second interview with the team (may include a coding test)
  • Final interview with HRD or CEO

Equal Opportunity Statement

KALRAY is committed to creating a diverse and inclusive environment, and we welcome applications from individuals of all backgrounds, identities, and experiences. We do not discriminate (including in our hiring and promotion practices) based on race, religion, skin color, national origin, gender, sexual orientation, age, marital status, disability status, or any other characteristic protected by law. Should you require accommodations or adjustments throughout the interview process and beyond, please tell us. We are committed to ensuring that all candidates have an equal opportunity to showcase their abilities and succeed in our organization.

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