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Jobs for developers in Berlin

For ethical coders

Build a safer world. Join our development team.

Zertificon Solutions – Software manufacturer & IT security specialist – Protecting business communications since 2004. – More than 25% of the 100 German companies with the highest turnover and hundreds of small and medium-sized enterprises worldwide use our encryption solutions. We have big plans and are growing steadily. Located in Neukölln, Berlin, our organization counts over 100 employees. Join a professional, highly qualified team: take on challenges, share your knowledge, learn and discover your potential!

Professional Java Developer IT-Security (f/m/d)

What you will be doing

You are to become an important team member for developing and maintaining new, containerized Services that make communication secure for everyone.

Your influence on the team will boost the pace of innovation and success for the whole company. Be ready to dive into a new world of loose boundaries, enabled by Microservices connected via Message Brokers. You’d like to create your Service with Go? Go for it! You found a new concept, new framework, or library? Bring it to the table! Find yourself in a world of open-minded people seeking kindred spirits. The mix of freedom and responsibility will become part of your daily life.

Help us push boundaries, opening up a new era of Software Distribution and Development by creating containerized microservices in Rust/Java/Go to develop new products.

  • Together with the team, proactively develop and plan our enterprise products, finding new ways and solutions to create bleeding-edge products, expanding our position on the market.
  • Analyze the possible issues or blockers within the development strategy and plan and act in prevention.
  • Mentor and guide the subordinate team members for the most effective delivery of the results/development of the features/product an enterprise customer of Zertificon expects.
  • Help your team coordinating long-term product road maps and architectures.
  • Develop a deep understanding of the team/products capabilities and act as an effective coordinator with the team interacting with internal stakeholders. 
  • Together with the other squads create road maps, architectural pictures to develop and optimize the software features.
  • Align your teamwork with the other RND teams to make sure that your product and it's components fit into the overall development architecture. 

What we value in our candidates

  • You have successfully worked in a development team for at least 3 years and successfully managed to deliver solutions and products with that team
  • You have at least 2 years of practical experience working with Java. We work mainly with Java11/17/21
  • You have experience with security, e.g. PKI, S/Mime, OpenPGP, X.509 Certificates, PGP Keys

You are proficient with following technologies:​
  • Basic Linux Commands
  • ANSI Shell, Bash
  • Spring MVC, Boot
  • Message-Broker (NATS or RabbitMQ or Kafka)
  • Containerization (Docker and/or Kubernetes)
  • Microservice Design
  • Monoliths
  • Gradle

  • Ideally, you already have knowledge about Email, SMTP, Java Mail and Bouncycastle
  • You have a good level on English (at least B2)
Don't meet every requirement? We strongly encourage you to apply if you’re interested. We want to get to know you.

What Zertificon offers you

  • Innovative work culture in an established company - without the startup risks.
  • A reason to have a good mood in the morning – meaningful job within IT security, contributing to a safer world.
  • Collaboration in an international, highly qualified, successful and ambitious team.
  • Plenty of room for autonomy and responsibility, regular feedback meetings and transparent quarterly targets.
  • An exciting full-time job with an attractive salary and development prospects.
  • Numerous benefits such as home office, hybrid and mobile working, flexible working hours, BVG-Ticket/Parking/Job-Rad, parcel acceptance, organic fruit and drinks, meal allowance, Internet subsidy, team and company events, etc.

How does the application process for this position look like?

Step 1: Screening of your application
Step 2: Online coding challenge - we send you a link, which is valid 7 days, the challenge itself is limited to 2 hours.
Step 3: Interview with the Team Lead and HR
Step 4: Technical challenge - we invite you to the office, for you to get to know us better. As an exception it is sometimes (indeed, exception cases) done remote.
Step 5: Meeting with the team
Step 6: Offer

Apply now via our online form. We look forward to hearing from you! Not convinced yet? Find out more at: Work at Zertificon
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