Who you are

• BS/MS in Computer Science, Data Science, or a related field, or equivalent work experience
• 5+ years of experience in backend development, preferably with exposure to data science
• Extensive experience using large-scale databases like DynamoDB, ScyllaDB, Cassandra, or HBase
• Experience with AWS container technologies like ECS/Fargate
• Experience designing and maintaining scalable public APIs
• Strong knowledge of SQL and experience with databases like DynamoDB, Redis, or Elasticsearch
• Proficiency with general software engineering tools: Git, IDEs, shell scripting, CI/CD
• Ability to thrive in ambiguous environments where you get to work directly with stakeholders with minimal guidance and direction
• Proficient in English for clear communication in a global, remote team
• Experience working specifically with Golang
• Previous Experience with queueing and streaming systems (SQS, Kafka)
• Machine learning knowledge may be a plus
• Familiarity with supervised and unsupervised learning methods
• Experience working with machine learning pipelines, model deployment, and performance monitoring
• Understanding of core ML concepts such as feature engineering, model evaluation, and real-time inference

What the job involves

• We are seeking a Senior Software Engineer to join our Identification team. In this role, you will focus on developing, maintaining, and scaling backend services that power our fraud detection solutions
• Your primary responsibility will be building highly performant backend systems and infrastructure that handle large-scale real-time data processing
• As a Senior Software Engineer, you will leverage Software Engineering techniques to build and maintain high traffic systems
• You will collaborate closely with other team members to architect solutions that are reliable, scalable, and efficient
• You will own features from concept to deployment and ensure seamless integration with other components in our platform
• Design, develop, and optimize backend systems for real-time data processing and web services
• Build scalable APIs and backend infrastructure that support millions of requests per day
• Work with cross-functional teams to integrate backend components with other services, ensuring performance and scalability
• Collaborate with the product and engineering teams to improve fraud detection signals
• Conduct debugging, and testing of backend systems to ensure reliability and efficiency
• Drive best practices for backend development and architecture, fostering a culture of continuous improvement
• This role includes participation in a shared on-call rotation. The schedule will be communicated in advance, and we strive to balance coverage equitably while minimizing off-hours disruptions
• Technologies You Will Work With:
• Backend development: Golang (preferred) or equivalent
• Infrastructure: AWS, DynamoDB, Redis, Elasticsearch

Benefits

• Equity
• Unlimited vacation, with a minimum vacation days target
• Remote-first: we work asynchronously and respect time-zone differences
• MacBook (you get to keep it after 3 years)
• A small team with a lean hierarchy where you can make a real impact in shaping the company
• Company meet-ups once a year (we went to Mexico City in 2023!)
• Smaller group meet-ups throughout the year
• $600 yearly budget that you can spend to learn new stuff
• Personal development: we give you the freedom to grow and experiment, work on open-source projects and try new things and ideas