ThinkMarkets is a global online brokerage firm, specializing in providing multi-asset trading solutions to thousands of clients around the world. With our flagship ThinkTrader platform, we allow our clients to trade the world 24-hours a day. Our mission is to disrupt the brokerage industry by allowing access to global markets and thousands of products to allow our clients to trade the world in the palm of their hand. We use the latest technologies to give traders seamless access to our proprietary trading platforms.  

We are seeking a Principle Full Stack Developer to join our rapidly growing global workforce in Sofia. This role is pivotal in the development of backend services and vendor integrations. You will take ownership of ThinkMarkets platforms, while demonstrating strong leadership skills and mentoring junior developers.


  • Participate in detailed requirements, design, development, documentation, and integration efforts in an Agile Software Development environment
  • Contribute to all phases of the development lifecycle, ensuring the best possible performance, quality, and responsiveness of the applications
  • Lead development code reviews to ensure the delivered code is clean and efficient
  • Provide team leadership by removing impediments sitting in front of the team, participating in the prioritization of the backlog, ensuring the project deadlines are met, all FRs and NFRs are implemented with excellent quality
  • Responsible for translating business requirements to technical requirements and ensuring they align with the enterprise architectural plan
  • Manage the effectiveness, quality, and timeliness of project design decisions
  • Research and evaluate alternative solutions and deliver proposals to meet business needs
  • Perform and oversee application release processes
  • Continually evaluate development standards and processes to identify improvement opportunities
  • Demonstrate ability to work effectively with management and stakeholders
  • Understand and communicate technology and industry trends and roadmaps
  • Proactively identify bottlenecks and bugs, and devise solutions to complex problems
  • Contribute to monitoring and visibility standards to delivery
  • Liaise with members of global teams to address production issues in a timely manner


  • Bachelor's Degree, with emphasis on Information Technology
  • 5+ years of experience in enterprise software development
  • Proven proficiency in the following technologies: Java, Spring Framework, Enterprise Java Beans, Hibernate ORM, Docker, SQL Server, MySQL, Oracle. Etc.
  • Experience working with WebSockets, RESTful, and SOAP APIs
  • Knowledge of code versioning tools such as Github, Gitlab, or Bitbucket
  • Working knowledge of agile lifecycle management tools such as Jira
  • Experience with build tools such as Jenkins, Maven, and Gradle
  • A team player with a background in working within an Agile software development process leveraging industry standard software like Jira, Bitbucket, and Confluence
  • Proficiency in unit testing
  • Demonstrable expertise in scaling and performance tuning of system components
  • Experience with deployment of distributed software stacks
  • Working knowledge of industry standard information protection, data security guidelines, secure coding techniques, and best practices
  • Experience working on a globally distributed team, ideally in the Financial Services industry

What we offer:

  • Highly competitive remuneration
  • 25 days annual paid leave
  • Health insurance & Dental Care for you, spouse, and kids under 18
  • Multisport card that we fully cover
  • Employee Assistance Program
  • Referral Program
  • Fresh fruits, nuts, healthy snacks, and beverages
  • Modern and colorful office in Cargill Tower, close to public transports and commodities

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