Software Development Engineer

Flex • Austin, TX

6d • Hybrid

About The Position

Flex is seeking a highly capable Software Development Engineer III (SDE III) who also functions as a Data Scientist. This role combines strong software engineering expertise with advanced analytics and machine learning capabilities. The position is based onsite in Austin, TX. This hybrid role is responsible for designing intelligent web applications, building and deploying ML models, and supporting production systems. The engineer will work across the full lifecycle, from data exploration and model development to scalable application deployment and ongoing support.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Data Science, Engineering, or a related field
• 3–5+ years of experience in software engineering, data science, or machine learning
• Strong proficiency in C# and SQL
• Experience developing frontend and backend applications, APIs, and automation solutions using .NET technologies
• Frontend HTML and Vanilla JS experience
• Experience building, deploying, and supporting machine learning models and data-driven applications in production environments
• Knowledge of machine learning frameworks, statistics, data analysis, feature engineering, and model optimization
• Strong understanding of software design, data structures, algorithms, and system architecture
• Self-motivated with strong problem-solving skills, an ownership mindset, and the ability to independently deliver complex solutions

Nice To Haves

• Python experience
• Experience with MLOps tools, CI/CD pipelines, and model monitoring
• Hands-on experience with Generative AI, LLMs, and OpenAI APIs
• Proven ability to bridge data science experimentation with production-grade software engineering

Responsibilities

• Designing intelligent web applications
• Building and deploying ML models
• Supporting production systems
• Data exploration
• Model development
• Scalable application deployment
• Ongoing support for data-driven applications
• Troubleshooting, debugging, and resolving complex application and model performance issues
• Collaborating in Agile development environments
• Communicating effectively with technical and business stakeholders

Benefits

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level