Role: Senior AI/ML Engineer
Location: Atlanta, GA - Hybrid or Remote is acceptable.
Duration: 12+ Months

What are the top 3 skills required for this role:
1. Strong programming experience in Python
2. Algorithms knowledge and knowledge on utilizing right python package
3. Strong ML and DS skills

Job Description/ Responsibilities
• Design and implement supervised, unsupervised, and reinforcement learning models tailored to complex business problems.
• Conduct exploratory data analysis, feature engineering, and statistical modelling on large-scale datasets.
• Evaluate model performance using appropriate metrics and validation techniques; iterate to improve accuracy and robustness.
• Build and maintain end-to-end ML pipelines from data ingestion to model serving and monitoring in production.
• Collaborate with data engineers, software engineers, and business stakeholders to translate requirements into ML solutions.
• Research, prototype, and integrate state-of-the-art algorithms and frameworks to solve novel problems.
• Document models, experiments, and design decisions to ensure reproducibility and knowledge sharing.
• Stay current with advances in ML research and assess applicability to the organization’s use cases.

Required Qualifications:
• Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or a related quantitative field (Ph.D. is a plus).
• 5–9 years of hands-on experience in machine learning and data science roles.
• Strong mathematical foundation — linear algebra, calculus, probability, and statistics.
• Demonstrated ability to take ML projects from research to production.
• Experience working with structured and unstructured data at scale.

Required Technical Expertise
• Supervised Learning
o Linear regression and logistic regression,
o Decision trees, Random Forest, Gradient Boosting (XGBoost, LightGBM, CatBoost),
o Support Vector Machines (SVMs) and kernel methods,
o Neural networks — CNNs, RNNs, LSTMs, and Transformers,
o Classification, regression, and ranking problems,
o Cross-validation, bias-variance trade-off, regularization (L1/L2, dropout)
• Unsupervised Learning
o Clustering: K-Means, DBSCAN, Gaussian Mixture Models, hierarchical clustering
o Dimensionality reduction: PCA, t-SNE, UMAP
o Autoencoders and variational autoencoders (VAEs)
o Anomaly detection and outlier identification
o Association rule mining (Apriori, FP-Growth)
o Topic modelling (LDA, NMF)
• Reinforcement Learning
o Markov Decision Processes (MDPs) states, actions, rewards, transitions
o Model-free methods: Q-Learning, SARSA, Deep Q-Networks (DQN)
o Policy gradient methods: REINFORCE, PPO, A3C / A2C
o Actor-Critic architectures
o Multi-armed bandits and contextual bandits
o Reward shaping, environment design, and simulation frameworks (OpenAI Gym)
• Relevant learning algorithms - Adjacent & advanced techniques
o Transfer learning and fine-tuning pre-trained models
o Semi-supervised and self-supervised learning
o Active learning and human-in-the-loop pipelines
o Federated learning for privacy-preserving training
o Bayesian optimization and hyperparameter tuning (Optuna, Ray Tune)
o Ensemble methods, stacking, and model blending
o Graph Neural Networks (GNNs) a plus
o Causal inference and counterfactual reasoning — a plus

Good to Have
• Experience with Large Language Models (LLMs), prompt engineering, or fine-tuning foundation models.
• Exposure to real-time ML systems and low-latency inference pipelines.
• Publications, open-source contributions, or participation in ML competitions (Kaggle, etc.).
• Domain expertise in fintech, healthcare, e-commerce, or a related industry. 
 
At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws.This position's pay range is $67.86/hr - $69.02/hr.