Senior Software Engineer, Back End
Costa Rica
About the Job:
The Sama R&D team is focused on delivering integrated solutions solving the most complex ML problems for over 25% of the Fortune 50. We use advanced Software Engineering practices to build scalable, secure, and efficient solutions covering multiple aspects of ML and AI, from data ingestion to annotation and building and operating ML models. To help us with our mission, we're looking for an exceptional Back-End Senior Software Engineer ready to join in and use their outstanding development skills to deliver compelling solutions powering the next generation of 2D and 3D image annotation for training AI/ML learning algorithms!
You’ll be working collaboratively with our talented Product team, Scientists, Researchers, and over 3,000 of our Annotation Agents in Africa to advance our annotation platform, Samahub, and deliver the best UI experience and features to our customers.  You will own all aspects of software development: design, quality, and delivery. We are looking for a candidate that has a deep interest in software engineering and equally obsessed with the latest and most advanced technologies and has a deep interest in impact sourcing and working for a company that is producing leading technology while implementing a socially beneficial business model.
Key Responsibilities: 
With a commitment to the success of our customers, you will use your outstanding development skills to deliver compelling solutions powering the next generation of ML modeling in an incremental, lean, and self-driven environment. You will own all aspects of software development: design, quality, and delivery. Through proper planning and delivery, you will collaboratively work with Product Management and your scrum team to deliver the best products and features to our customers.
Minimum Qualifications:
• 7y+ hands-on software development experience
• OOD/OOP software engineering experience.
• Think in terms of Incremental delivery and experience in Agile development
• Experience with designing and implementing SOA
• Understanding web application development and the ability to explain the strengths and weaknesses of one design choice over another.
• Prior experience with Apache Spark or an analog distributed processing framework is desirable
• Familiarity with streaming technologies like Kafka is a plus
• Experience with the following technologies:
• At least one modern language/framework on the back end (Rails, Node, Golang, C#, Java, Python)
• Prior experience with a frontend framework (Angular, React, Vue.js). Recent experience not required
•  Basic experience building front end applications
• Able to design, develop and test applications with multiple components (front end applications, APIs, databases, etc).Preferred Qualifications:
• Experience with data labeling and creating data sets
• Familiar with test-driven development
• Writing models and helping to build a data modeling platform
• You have held positions as mentors or teachers
• Experience with cloud infrastructure (AWS, GCP, Azure)
• Comfortable working with a distributed team 
About Sama:
25% of the Fortune 50 trust Sama to deliver secure, high-quality training data and validation for the technology teams driving humanity forward. From self-driving cars to smart hardware, Sama fuels AI. Founded over a decade ago, we’re experts in image, video, and sensor data annotation and validation for machine learning algorithms in industries including automotive, navigation, AR/VR, biotech, agriculture, manufacturing, and e-commerce. Our staff are driven by a mission to expand opportunity for low-income people through the digital economy, and our social business model has helped lift over 50,000 people out of poverty. 
• Featured in Forbes: How Ethical Is Your AI?
• Sama Honored on Inc. Magazine’s Annual List of America’s Fastest-Growing Private Companies — the Inc. 5000 
Our Culture:
Sama is quite unique. We are a technology company with a social mission. People that thrive in a high-growth environment, love working on the bleeding edge of technology, and really care about having a positive impact on the world are a great fit for the Samasource culture. Our core values are grit, integrity, humanity, and GTD (Get Things Done).
At Sama, we take pride in being a diverse and equal opportunity employer.