Senior GenAI Developer

Company Description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a valuesdriven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989.
Miratech has coverage across 5 continents and operates in 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking for a Senior GenAI Developer with hands-on expertise in open source and AWS Generative AI stacks. You will design and build production-ready RAG pipelines, agentic workflows, and knowledge-based AI solutions. This role focuses on delivering scalable, low-hallucination, and observable AI systems using modern LLMs and cloud technologies.

Responsibilities

• Build RAG pipelines and agentic workflows using LangChain and LangGraph
• Develop knowledge base chatbots with semantic search and conversation memory
• Implement advanced retrieval strategies (Hybrid Search, HyDE, chunking)
• Design multi-agent architectures (Agentic RAG, Self-RAG, Corrective RAG)
• Integrate LLMs (Claude, GPT-4o, Llama, Mistral) via APIs and hosting platforms
• Work with vector databases (Pinecone, Weaviate, PGVector)
• Build solutions using AWS Bedrock, Agents, and Knowledge Bases
• Set up evaluation (Ragas) and observability (LangSmith/Phoenix)
• Deploy AI services using FastAPI, Docker, and OpenTelemetry

Qualifications

• 8+ years of experience in any cloud platform preferable AWS
• 3+ years in GenAI/LLM development
• 3+ years of experience in Python and AI backend development skills
• Experience with LangChain, vector DBs, and RAG architectures
• Hands-on AWS experience (Bedrock, Lambda, S3, API Gateway, etc.)
• Experience with LLM evaluation, observability, and scalable deployments

Nice to Have

• Graph RAG or Human-in-the-Loop systems
• LLM fine-tuning (LoRA / QLoRA)
• Amazon Connect + GenAI integrations
• AWS AI/ML certifications

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth. 
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program. 
• Work From Anywhere Culture: make the most of the flexibility that comes with remote work. 
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities. 
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries. 
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events. 
• Social Sustainability Values: join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality. 

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.

Additional Information

All your information will be kept confidential according to EEO guidelines.