Sr. Data Engineer - NLB Services
US, GA - Atlanta, Atlanta
Position Type: 4
Job ID: 23-12458
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We are looking for a Senior Python Developer who can bring modern machine learning and optimization models into production together working as a part of a highly multi-disciplinary team of data scientist, software development engineers, strategic partners, product managers and subject domain experts. The Senior Python Developer will take models developed by the data scientists and integrate them with the rest of the companys platform. This could involve building APIs around the model so that it can be served and consumed, developing user interfaces to visualize and interact with model results, and implementing monitoring capabilities to verify that solutions continue to provide accurate inferences.


- This position will partner with Data Scientists and Data Engineers to operationalize machine learning and optimization models that deliver new insights to the business
- Build data APIs and data delivery services that support critical operational and analytical applications for Company's internal business operations, customers, and partners
- Take responsibility for ensuring that model code, data pipelines, APIs, and user interfaces are developed and deployed successfully into production
- Troubleshooting issues that arise and supporting production applications
- Continuously integrate code into Company's on premise and AWS cloud environments
- Transform data science protypes into production-ready software products
- Ensure a good data flow between database and backend systems
- Optimize solutions for performance and scalability
- Ensure that the Company methodology, standards, and procedures are implemented
- Ensure that solutions meet the customers' business goals and that customer satisfaction with the project and conclusion is high.
- Coordinate activities with internal and external technology service providers.
- Consult within project team members, other teams, and outside vendors or consultants to ensure product integrity
- Coach and mentor other developers on the team

- BS/MS degree, preferably in a technical or scientific field
- 5-7 years of experience hands-on experience designing, developing, integrating, and running business, big data and/or data science applications
- 1-2+ years of hands-on experience working with AWS as a developer
- Experience developing with Python 3
- Experience working with AWS services with an emphasis on managed services such as Lambda, DynamoDB, SQS, EventBridge, Step Functions, Aurora, S3, and API Gateway
- Experience developing infrastructure-as-code using AWS tools (e.g., Cloud Development Kit, Cloud Formation)
- Experience with automating application deployment, continuous delivery, and continuous integration (Git, GitLab, Jenkins)
- Experience using Agile/Scrum methodologies
- Experience with backlog management tools (e.g., VersionOne, JIRA)
- Strong problem-solving skills and capability to understand and set direction for complex technology integration


- Experience with design patterns and implementation for machine learning and data science products
- Experience with design patterns and implementation using microservices architecture
- Understanding or experience with loose coupling of front-end modules on AWS
- Experienced with deploying and managing infrastructures based on Docker, OpenShift, and AWS
- Knowledge of data engineering and experience with big data
- Experience developing, testing and deploying APIs using Python-based frameworks such as Flask, FastAPI and/or GraphQL
- Experience with Ray for parallel execution in Python
- Experience writing complex SQL queries (e.g., queries involving joins and subqueries) and experience with both SQL and NoSQL databases (PostgreSQL and AWS DynamoDB preferred)
- Experience working with AWS Machine Learning tools (e.g., AWS SageMaker)
- Understanding and focus on business outcomes
- Strong teamwork skills


- Functional knowledge of the airline business or airline IT processes
- An eye for detail.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. NLB is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact HR department by sending an e-mail to

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