Senior Backend Engineer

We are seeking an experienced Backend Engineer to join Microblink in supporting multiple internal services aimed at delivering high-quality data for our applications and machine learning (ML) teams. Your primary focus will be on developing and optimizing backend systems that facilitate configurable annotation workflows and enhance overall data processing efficiency.
By leveraging your problem-solving skills, you will play an important role in driving the success of our data-driven initiatives, ultimately contributing to the overall efficiency and performance of our organization and product development.

A little bit about us

Microblink is an AI company specializing in computer vision, dedicated to building innovative products and tools that help create a secure, fraud-free digital identity landscape.  With headquarters in New York and Zagreb, our teams across the U.S. and Europe impact hundreds of millions of people each year, processing over 800 million identity documents across more than 70 countries.

Here’s what you’ll do

• Designing and implementing configurable workflows to optimize the data annotation processes.
• Developing workforce management features, including team assignments and competency tracking systems.
• Implementing role-based access control to ensure secure and authorized access to data resources.
• Supporting assignment management for annotators, QA, and Senior QA personnel to improve quality assurance processes.
• Integrating and enhancing various annotation tools to streamline data labeling operations.
• Ensuring the backend architecture effectively supports the rendering of thousands of objects for the annotation interface.
• Contributing to knowledge management initiatives to document processes and support team collaboration.
• Integration of existing and new machine learning models for annotation optimization within the platform
• Contribute to company-wide technical decisions on individual or shared products
• Work closely with ML teams, Data Quality team, Data Annotation, Dev Ops, Product Managers  and other key roles to deliver exceptional results

Here’s what you need to be successful in this role

• Strong foundation in essential software development practices, including OOP, proficiency in Git for version control, excellent team collaboration and communication skills, and a good command of the English language
• Strong experience in developing, maintaining, and optimizing applications using .NET technologies, with a solid understanding of C#
• Knowledge of relational databases such as MSSQL and document databases like MongoDB, along with experience using Elasticsearch for indexing and searching data.
• Adeptness in using React for building user interfaces, enabling effective collaboration with front-end teams and enhancing the overall user experience.
• Experience in designing and implementing RESTful APIs and microservices architectures to facilitate communication between services.
• Ability to troubleshoot issues and optimize backend processes, demonstrating strong analytical and critical thinking skills.
• Openness to learning new technologies and frameworks as the project evolves, maintaining a growth mindset to adapt to changing requirements.
• Strong verbal and written communication abilities, facilitating collaboration with cross-functional teams and ensuring clear understanding of technical requirements.
• Demonstrate responsibility, proactivity, and a strong drive for organizational success

A plus is if you have some experience with:

• Familiarity with modern serverless architectures and experience utilizing cloud platforms such as GCP
  Familiarity with OAuth/OIDC
  Familiarity with Docker and Kubernetes
  Familiarity with OpenTelemetry

Here’s what you’ll gain if you join us

• Microblink owes its success to its people. That is why we offer equity participation to all of our full-time employees so that we can grow together
• Unlimited PTO, giving you the flexibility to take time off as needed to maintain a healthy work-life balance
• Location-specific benefits tailored to meet diverse personal preferences and country standards
• Flexible work arrangements, allowing you to adjust your schedule—whether working remotely or at our Zagreb office
• Opportunities to learn and develop your skills through internal L&D programs and a supportive working environment

At Microblink, we nurture a culture that recognizes and rewards success, and is not afraid to try, fail and learn from mistakes. Find out what it feels like to work at Microblink

How can you join us?

If this role intrigues you, do not hesitate to hit the apply button and send us your resume - get in touch with us and we promise to get back to you.