Backend Developer


Title: Backend Developer 

Location: Barcelona 

Experience: Mid Level 

Job Function: Software Development 

Employment Type: Full-Time 

Industry: Computer And Network Security


About the position  

Keyfactor is one of the world’s leading companies for Machine Identity, Certificate Lifecycle Management and Public Key Infrastructure (PKI) Solutions. We’re expanding rapidly and growing in terms of both revenue, number of customers and personnel. The company helps security teams manage cryptography as critical infrastructure by simplifying PKI, automating certificate lifecycle management, and enabling crypto-agility at scale. 

The Backend Developer position is the core role within the Software Development Group.  Role incumbent is responsible for creation and maintenance of the majority of Signum’s product code bases.  The goals of this role include: 

  • Proficiency with the architecture of Keyfactor products 
  • Knowledge growth of Public Key Infrastructure and certificate management as it relates to Keyfactor products 
  • Foster collaboration within the Software Development Group 

 The position is based in our Barcelona office and applicants must hold a valid Right to Work in Spain. 


  • Backend Software Development – Involves creation of new features as well as maintenance and refactoring of existing features within the product codebases 
  • Basic architecture participation – Participate in design meetings to learn and provide input  
  • Participation in Agile ceremonies – Participate in Sprint Planning, Reviews, Retrospectives, and daily scrums 
  • Team collaboration – Work closely with other team members to devise solutions to code and architectural challenges 
  • Onboarding and mentoring – Participate in the onboarding and mentoring process of new employees and interns 
  • Code reviews – Submit and participate in code reviews in order to ensure standards, and improve the overall team technical aptitude 

Skills and Qualifications 

Required Experience 

  • Demonstrable professional experience in developing software applications as a team-member. 
  • Organized and detail-oriented person with a passion for providing the team with great quality of work. 
  • .NET Expertise:  Solid knowledge in both .Net Framework and .Net Core. 
  • Database Proficiency: Experience with SQLServer and EntityFramework. 
  • API Development: Ability to develop robust REST APIs. 
  • Programming Skills: Excellent programming abilities are always an asset. 
  • Agile Methodology: Proficient in Agile practices for software development (SCRUM). 
  • Version Control: Experience in version control using Git. 
  • Language Skills: Good command of the English language. 

 Preferred Experience

  • Linux Development: Familiarity with Linux-based development. 
  • Experience with responsive design
  • Experience with browser testing and debugging, as well as with cross-browser implementations. 
  • Experience with PKI.
  • Experience in Android/IOS development.
  • Great coding skills. 
  • University Engineering Degree in IT/ SW Engineering/ Computer Science or other relevant subject is a plus!


Salary will be commensurate with experience.

Culture, Career Opportunities and Benefits 

We build teams that continually strive to get better than the day before. You will be challenged daily and given opportunities to grow personally and professionally. We balance autonomy and structure to create an entrepreneurial environment to spur creativity and new ideas. A few initiatives that make our culture special include:  

  • Comprehensive benefit coverage  
  • Dedicated employee focused ambassadors via Key Contributor & Culture Committee  
  • DIVERSE Commitment   
  • Global Volunteer Day
  • Flexible time off 
  • Monthly Cross Functional meetings  
  • Monthly Leadership Development meetings  
  • Monthly All Hands meetings – followed by group gatherings   
  • Second Friday’s (a company-wide day off on the second Friday of every month)  
  • The Keyfactor Alliance Program  
  • Weekly Feedback Snapshot  

 Our Core Values 

Our core values are extremely important to how we run our business and what we look for in every team member:   

Trust is paramount – We deliver security software and solutions where trust and openness are of the highest importance for our customers. We are honest and a trusted partner in every aspect of business.   

Customers are core – We strategize, operate, and execute through a customer-centric view. We prioritize the security interests of our customers, and we act as if their data were our own.   

Innovation never stops, it only accelerates – The speed of change is accelerating. We are committed, through investment and focus, to stay ahead of the innovation curve.   

We deliver with agility – We thrive in high-paced and continually changing environments. We navigate through newly added variables, adjust accordingly, while driving towards our strategic goals.   

United by respect – Respect for all is what unites us. We promote diversity, inclusivity, equity, and acting with empathy and openness, both in our business and in our communities.   

Teams make “it” happen – Vision and goals are not individually achievable – they require teamwork. We pride ourselves in operating as a cohesive team, creating promoters and partners, and winning as one.   

Keyfactor is a proud equal opportunity employer.  

REASONABLE ACCOMODATION: Applicants with disabilities may contact a member of Keyfactor’s People team via [email protected] and/or telephone at 1.216.785.2990 to request and arrange for accommodations at any time.

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