Senior AI/ML Engineer

Node; Herndon (VA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Basic Life

Health Saving Account

401K Matching

Three weeks of PTO/Sick

11 Paid Holidays

Pre-Approved Online Training

Job summary

Node.Digital in Herndon, VA seeks a Senior AI/ML Engineer to architect intelligent automation with generative AI and AWS Bedrock. You will refine AI solutions, ensure operational efficiency, and integrate AI capabilities across business functions.

Required 5+ years in AI/ML app development, strong Python/ML frameworks, NLP/DL expertise, and experience with RAG architectures and multi-threaded programming. Hybrid work model available.

Qualifications

• 6-10 years in application/framework development.
• 5+ years in AI/ML-based app development with generative AI.
• Strong Python and ML frameworks experience.
• Hands-on with AWS Bedrock, S3, SageMaker, CDK and Lambda.
• Experience with LLMs, RAG, prompt engineering, model fine-tuning.
• OCR/ICR/OMR technologies must have been used.
• Knowledge of NLP, DL, and Generative AI.
• Experience with APIs, web apps, and async programming.
• Knowledge of databases (SQL/NoSQL) and data processing.

Responsibilities

• Design and refine intelligent automation solutions using generative AI and Bedrock.
• Build repeatable AI solutions for document processing and data cleansing.
• Deploy scalable ML/AI models on AWS and create API endpoints.
• Implement model evaluation, monitoring, and continuous improvement.
• Collaborate with cross-functional teams to embed AI across business functions.

Skills

Generative AI applications

Python & ML frameworks

NLP & Deep Learning

API & Web apps development

Asynchronous/multi-threaded

Algorithms & data structures

SDLC & Agile

AWS ML deployment

Document processing

RAG architectures

Education

Bachelor's degree in Automation/AI

Tools

AWS Bedrock

SageMaker

CDK

Lambda

S3

OCR/ICR/OMR

TensorFlow

PyTorch

LangChain

NoSQL / Vector DBs

Job description

Senior AI/ML Engineer

Location: Herndon, VA (Hybrid Work)

Preferred: US Citizenship

Node.Digital is an innovative solutions development company that combines agile development services with next-generation technologies in Cloud, Mobile, and AI/Machine Learning. We deliver state-of-the-art enterprise solutions to both government and commercial clients. We are looking for talented people to join our efforts to enable digitalization of organizations with AI Automation and Machine Learning.

Role: AI/ML Engineer

The AI/ML Engineer is the architect and guardian of intelligent automation solutions that incorporate generative AI and machine learning technologies. They ensure the operational efciency and continuous refnement of integrated AI/ML solutions with a strong focus on modern generative AI engineering.

Requirements

Required Skills:

• Overall experience of 6-10 Years working on Application/framework development
• Min 5+ years of exp in AI/ML-based app/solution development with strong focus on generative AI applications
• Hands-on experience with AWS services including Amazon Bedrock, S3, SageMaker, CDK,Lambda, and other AI/ML services
• Experience with generative AI models and frameworks (LLMs, RAG architectures, prompt engineering, model fne-tuning)
• Hands-on exp with OCR, ICR and OMR technologies is a must
• Good programming knowledge in Python and relevant ML/AI frameworks (TensorFlow, PyTorch, LangChain)
• Good understanding of Document Processing, classifcation, data extraction is a must
• Knowledge in Natural Language Processing (NLP), Deep Learning, and Generative AI is a must
• Hands-on Web application/APIs Development experience is a must
• Profciency in asynchronous/multi-threaded programming
• Strong knowledge of algorithms, data structures, complexity, optimization, caching and security
• Experience with JSON, SOAP, Rest, XML, XHTML, XSD and XSLT
• Strong knowledge of object-oriented concepts and Database concepts Experience with databases like SQL Server, PostgreSQL
• Experience with NoSQL databases and vector databases (for RAG implementations) is a plus
• Knowledge of AWS cloud architecture patterns and serverless computing
• Experience with CI/CD pipelines and DevSecOps practices
• Knowledge of Agile methodologies is desirable
• Experience working with a toolchain that includes TFS, SVN, Git
• Involved in different phases of SDLC and have good working exposure on different SDLCs like Agile Methodologies

Responsibility:

Your responsibility spans the design, maintenance, and optimization of intelligent automation solutions including AI Center troubleshooting and resolution of issues that might arise post-implementation. You will focus on building generative AI applications with embedded artifcial intelligence or machine learning in support of continuous improvement, learning and augmented decision-making.

Key responsibilities include:

Designing and implementing generative AI solutions using Amazon Bedrock, foundation models, and RAG architectures

Building repeatable intelligent solutions/bots for document processing and data cleansing

Developing and deploying scalable ML/AI models on AWS infrastructure

Creating API endpoints and integrations for AI/ML services

Implementing model evaluation, monitoring, and continuous improvement processes Collaborating with cross-functional teams to embed AI capabilities across business functions

Nice to Have:

Experience with front-end frameworks (React, Angular, Vue.js) and modern web development UiPath RPA Developer Certifcation and UiPath AI Center Experience

Knowledge of chatbot development and conversational AI

Experience with AWS Bedrock Agents and Guardrails

Familiarity with model distillation and prompt optimization techniques

Understanding of responsible AI practices and AI security

Recommended Certifcations:

AWS Certifed Machine Learning - Specialty

AWS Certifed Solutions Architect

General AI/ML Certifcations (TensorFlow Developer, Azure AI Engineer

UiPath AI Center Experience (nice to have)

Eucation/Year of Exp:

Bachelor's degree and a minimum of 5 years of experience in automation engineering roles with a focus on AI/ML integrations and generative AI application development

Cultural Fit:

Effective communication skills for technical discussions

Comfortable with Agile methodologies

Ability to work remotely

Alignment with customer's mission and values

Adaptability to varying organizational structures

Data Analysis and Data Architecture Skills

Strong problem-solving abilities for complex AI/ML challenges

Benefits

• Medical
• Dental
• Vision
• Basic Life
• Health Saving Account
• 401K Matching
• Three weeks of PTO/Sick
• 11 Paid Holidays
• Pre-Approved Online Training