Sr Backend AI Engineer (NodeJS/ Javascript/ Typescript/ Golang)

Techaxis, Inc.; Phoenix (AZ); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Techaxis is seeking a Senior Backend Engineer to design, develop, and maintain scalable backend systems powering our applications. The role requires 7+ years of experience, strong background in distributed systems, LLM systems, agentic workflows, and cloud technologies.

The position is permanent, full-time, hybrid in New York or Phoenix, and US citizens and green card holders are preferred. You will own core services, APIs, data pipelines, and work with cross-functional teams to deliver reliable

Qualifications

• 7+ years of backend engineering experience.
• Strong knowledge of distributed systems and cloud infrastructure.
• Experience with LLM systems and agentic workflows.
• Proven ownership of complex systems across teams.
• Fluent in RESTful APIs and microservices design.

Responsibilities

• Design, develop, and maintain scalable backend services.
• Lead cross-functional collaboration with data, ML, and frontend teams.
• Drive reliability, performance, and security in backend systems.
• Shape technical direction and mentor juniors.

Skills

Backend development

Distributed systems

LLM systems

Agentic workflows

Cloud (AWS/GCP)

Kubernetes

REST/Microservices

Databases (SQL/NoSQL)

CI/CD pipelines

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Master's degree preferred

Tools

Docker

Kubernetes

AWS

GCP

PostgreSQL

MongoDB

Redis

Git

CI/CD

Job description

Experience Required -7+ Years

location - New York or Phoenix (hybrid)

It is a permanent full time role (No Contract) Need US Citizen & Green card holder only

Must Have Technical/Functional Skills

We are looking for a talented and experienced Senior Backend Engineer to join our growing team. The Senior Backend Engineer will be responsible for designing, developing, and maintaining scalable and efficient backend systems that power our applications. The ideal candidate will have a strong background in backend development, solid understanding of distributed systems, LLM systems, agentic workflows and experience with cloud technologies.

Core engineering stack

• APIs and services: REST, microservices
• Cloud and infrastructure: AWS and/or GCP, Kubernetes
• Bachelor’s degree in computer science, Engineering, or related field. Master's degree preferred.
• Strong experience with LLM systems, agentic workflows or advanced ML infrastructure
• Proven ownership of complex, cross-cutting agentic systems spanning multiple teams or products.
• Strong engineering fundamentals across backend systems, APIs, data pipelines, and cloud infrastructure.
• Deep experience across the agentic AI stack, including planning, tool use, memory, and evaluation.
• Fluency with AI-assisted and agentic development workflows.
• Comfort operating in ambiguous problem spaces and translating them into shipped, reliable autonomous systems.
• Ability to influence technical direction and align teams without formal authority.
• Experience in workflow engines, async processing, queues, and streaming systems.
• Experience with cloud platforms and services and containerization technologies (e.g., Docker, Kubernetes).
• Proficiency in database technologies such as SQL (e.g. PostgreSQL) and NoSQL (e.g. MongoDB, Redis).
• Strong problem-solving skills, with the ability to analyze complex technical challenges and propose effective solutions.
• Experience with version control systems (e.g., Git) and continuous integration/continuous deployment (CI/CD) pipelines.
• Excellent communication skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.

Company Description:

Techaxis is a US-based firm that specializes in discovering, engaging, and placing top talent globally, for full-time or contract positions in leadership and mid to senior-level positions for companies in the technology, healthcare, energy, and education space. Techaxis Inc. is headquartered in Northern Virginia, USA. We are ranked #3294 in Inc 5000 and #105 in Inc 5000 DC Metro Series, SWaM, and WBE Certified technology talent search firm.

Our clients provide equal opportunities to all its employees and all qualified applicants for employment, without regard to their race, caste, religion, color, ancestry, marital status, sex, age, nationality, disability, and veteran status. Employees of our client shall be treated with dignity and in accordance with their policy to maintain a work environment free of sexual harassment, whether physical, verbal, or psychological. Employee policies and practices shall be administered in a manner that would ensure that in all matters equal opportunity is provided to those eligible and the decisions are merit-based.