GenAI Engineer (LLM) | Python | RAG | LangChain | AI Integration

Job Title : Full Stack Engineer

Location : New Delhi

Job Type : Full-Time

About the Role :

We are seeking a passionate Full Stack Engineer who enjoys building scalable, high-performance applications across web and mobile platforms.

This role is ideal for someone eager to work in a fast-paced startup environment, contributing across the full development lifecycle.

Mandatory Skills :

React.js, Next.js, React Native, Node.js, Express.js, PostgreSQL, AWS (EC2/S3/RDS/IAM), RESTful APIs.

Key Responsibilities :

• Design, build, and maintain scalable applications for web and mobile.
• Translate UI/UX wireframes into efficient, reusable, and maintainable code.
• Optimize applications for maximum performance, scalability, and reliability.
• Work on both front-end and back-end development using modern frameworks.
• Participate in code reviews, debugging, testing, and deployment.
• Collaborate with cross-functional teams to deliver high-quality products.

Requirements :

• Experience : 1+ years of software development (internships + full-time combined acceptable).
• Frontend Skills : React.js, Next.js, React Native.
• Backend Skills : Node.js, Express.js, RESTful APIs.
• Database : Strong knowledge of PostgreSQL.
• Cloud : Exposure to AWS services (EC2, Elastic Beanstalk, RDS, S3, ElasticCache, IAM).
• Additional : Experience with Redis and BullMQ is a strong plus.
• Strong debugging, problem-solving, and analytical skills.
• Enthusiasm for working in a dynamic startup environment.

Company: AISpire360 Role: Senior Voice AI Engineer (Independent Contractor, Full-Time Engagement) Location: Remote (India-based preferred; must overlap 4–6 hours daily with London + US Eastern) Engagement: Full-time independent contractor — long-term Compensation: Competitive, paid in USD, monthly. Senior staff-level rates.

About AISpire360

We are building the operating system for medical practices in the US. Our flagship product is ARIA, an AI receptionist that handles inbound and outbound calls, intake, scheduling, eligibility, prior authorization workflows, and after-hours coverage for medical practices. We are in active production deployment with our first practice — a spine surgery practice at the Hospital for Special Surgery in New York. Multiple specialty practices are in our deployment pipeline.

The platform is built to be specialty-agnostic. The voice agent stack is the universal foundation. Knowledge layers (spine surgery, primary care, behavioral health, dermatology, cardiology, pediatrics, etc.) plug in as configuration. One platform, many specialties.

We are venture-backed, founder-led, and shipping. The technical decisions you make here will be in production within weeks.

What You'll Own

You are the technical anchor for the voice agent. You will be responsible for:

Real-time voice system

• Voice agent stack on ElevenLabs Conversational AI (and evaluation of Retell, Vapi, LiveKit alternatives as we scale)
• STT and TTS configuration, voice tuning, language and accent handling
• Turn-taking, barge-in, end-of-speech detection, latency budgets
• Driving end-to-end voice latency below 700ms (we currently target 600ms)
• Quality vs. cost tradeoffs across voice tier selection (Premium / Turbo / Standard)
• Silence-detection optimization for outbound calls (95% silence-discount realization)

HIPAA + PHI infrastructure

• BAA-compliant hosting architecture (AWS-based, BAA in place)
• PHI detection and redaction pipeline (AWS Comprehend Medical + custom pre-filters)
• Encryption in transit and at rest, audit logging, 7-year retention compliance
• Access controls, RBAC, kill-switch infrastructure
• HIPAA Security Rule compliance for technical safeguards

Agent orchestration and tools

• LLM integration (GPT-4o, Claude Sonnet, with model routing for cost optimization)
• Tool calling for scheduling, eligibility checks, prior auth lookups, calendar booking, task creation
• Multi-turn conversation state management
• Multi-topic call handling and structured task generation
• Safety-critical keyword detection and escalation routing

Integrations

• EHR integration (Epic, Athena, eClinicalWorks — at least one in V1)
• Insurance eligibility APIs (Availity, Change Healthcare, payer-specific)
• Calendar integration (Google Calendar, Microsoft 365, Cal.com)
• SMS and email gateways (Twilio, SendGrid)
• Practice-specific webhooks for task manager surfacing

Multi-tenant platform foundations

• Per-practice configuration loading (specialty profile + practice profile)
• Per-tenant isolation, data segregation
• Specialty-specific intake schemas, triage rules, safety keywords
• Production observability (tracing, metrics, latency monitoring per practice)

Required Experience

You should be able to demonstrate, in a live walkthrough with code in hand, that you have shipped production voice AI systems. Specifically:

• 3+ years of production voice/conversational AI experience. Not chatbots — actual real-time voice agents handling live phone calls. ElevenLabs, Retell, Vapi, LiveKit, OpenAI Realtime, Deepgram, or equivalent.
• Deep familiarity with at least 2 of: ElevenLabs Conversational AI, Retell AI, Vapi, LiveKit Agents, OpenAI Realtime API. Production deployment experience required, not demo experience.
• HIPAA and PHI handling experience in production. Not theoretical. You have signed BAAs, deployed in HIPAA-compliant environments, and built PHI redaction pipelines.
• AWS infrastructure expertise. Specifically: ECS or Fargate, Lambda, S3 with encryption, KMS, CloudWatch, IAM, VPC, BAA-eligible service selection.
• AWS Comprehend Medical or equivalent PHI detection experience.
• Twilio or equivalent telephony provider experience. SIP trunking, inbound/outbound call flows, recording and transcription pipelines.
• Latency optimization in real-time systems. You have hit sub-700ms voice latency in production and can explain the trade-offs you made.
• LLM production experience. GPT-4o, Claude, or equivalent. Prompt engineering, tool calling, structured outputs, model routing for cost.
• Python or TypeScript fluency. Production code, not scripts.
• API integration experience. REST, webhooks, OAuth, async patterns. Bonus if you've integrated with EHRs (Epic FHIR, Athena, eClinicalWorks).

Nice to Have

• Healthcare domain experience (EHRs, clinical workflows, medical terminology)
• Prior auth or eligibility verification workflow experience
• Multi-tenant SaaS architecture experience
• SOC 2 audit experience
• Experience with knowledge graphs (PostgreSQL + pgvector, Neo4j, or similar)
• Open-source contributions to LangChain, LiveKit, Pipecat, or similar voice/agent frameworks
• Demonstrated ability to ship to production fast (not perfectionism — pragmatic engineering)

What This Engagement Looks Like

• Independent contractor. You invoice us monthly. We pay in USD via wire transfer or Wise.
• Full-time engagement. This is your primary work. We expect ~40 hours/week of focused output.
• Long-term. We are not looking for a 3-month engagement. Expect this to run 12+ months.
• You sign a BAA with us. This is non-negotiable due to the nature of the work.
• You are eligible for future equity grants as we formalize the team structure.
• Direct working relationship with our CTO (London-based) and founders (NYC and India).
• Time-zone overlap required: at least 4–6 hours of daily overlap with both London and US Eastern. Indian Standard Time evenings (6 PM IST onward) work well.

How We'll Evaluate You

Our hiring process is fast and substantive. No take-homes. No multi-round bureaucracy.

1. Initial screen (30 min): Background, what you've shipped, compensation expectations, BAA-readiness.
2. Technical deep-dive (90 min): Walk us through a production voice AI system you've shipped. Code in hand. Architecture diagrams. Real production numbers — latency, cost per call, scale. We will ask follow-up questions about specific decisions you made.
3. System design (90 min, live): We give you a design problem — a HIPAA-compliant voice agent for a medical specialty we don't yet support. You design end-to-end on a whiteboard / Excalidraw. We probe trade-offs.
4. Founders + CTO conversation (60 min): Mutual fit. You ask us hard questions. We answer honestly.

Total: 4–5 hours of your time. We'll move from first conversation to offer in 7–10 days for the right candidate.

What We Will NOT Accept

• Take-home assignments produced by other AI tools. We will ask you to walk through code live; if you can't explain decisions you didn't make, the interview ends.
• Resume claims you can't substantiate. We verify employment via EPFO/UAN where applicable.
• "I've done LLM chatbots" experience without production voice agent experience. They are not the same skill.
• Engagement structures that conflict with this being your primary work.

How to Apply

Send a brief message with:

1. A link to a production voice AI system you've shipped (or, if NDA'd, a description of the architecture and your specific contribution).
2. Two or three sentences on why this role fits you specifically — not a generic cover letter.
3. Your current compensation expectation in USD per month.
4. Your earliest start date and current time-zone availability.

We read every message. We respond within 5 business days, including with "no" answers. We don't ghost.

Senior AI Engineer — .NET / C# 📍 Coimbatore / Chennai · Hybrid | 6+ Years | Immediate – 15 Days Notice

About Techjays

We build production-grade AI systems for enterprise clients across the US, UK, and Australia. As an Anthropic partner, we work at the frontier of AI — not experiments, but real systems that ship and scale. Our team includes engineers from Google, Akamai, NetApp, and Capgemini.

What You'll Do

• Build and ship .NET applications for enterprise clients — from design to deployment
• Integrate LLM APIs (Claude, OpenAI, Azure OpenAI) into production .NET services
• Use Claude Code daily for coding, debugging, and code reviews
• Build React UIs from wireframes to production
• Own SQL Server architecture, optimisation, and EF migrations
• Lead code reviews and mentor the team
• Work with PMs and Delivery Managers to hit sprint goals

What We're Looking For

• 6+ years in .NET — C#, ASP.NET Core, Entity Framework
• Hands-on with Claude Code or similar AI coding tools
• Strong Azure — App Services, Functions, Service Bus, Cosmos DB, DevOps
• Solid React — hooks, state management, component architecture
• Expert SQL Server skills
• Experience with RESTful and GraphQL APIs at scale
• Good grasp of Clean Architecture, DDD, CQRS, microservices

Bonus: Python, Docker, vector databases, Semantic Kernel, SignalR, GCP/AWS

Why Join

• Greenfield projects — you design the architecture
• Anthropic partner — early access to frontier AI tools
• Global client exposure with real business impact
• Team of engineers who've built at scale

About the Role

We’re looking for a skilled Full Stack Developer with around 2 years of hands-on experience in building and deploying modern web applications. You’ll work closely with cross-functional teams to develop scalable solutions using the latest technologies.

Key Responsibilities

• Develop, test, and deploy responsive web applications using modern frameworks.
• Collaborate with designers to turn UI/UX concepts into functional products.
• Build and integrate RESTful APIs and backend services.
• Write clean, maintainable, and efficient code.
• Debug, optimize, and improve application performance.
• Manage containerized deployments and CI/CD workflows.

Required Skills

• Must be a B.Tech graduate. (Computer science or IT )
• Only Pune Candidate Preferred. 
• Strong proficiency in JavaScript, TypeScript, React.js, and Node.js.
• Experience with Express.js, MongoDB / MySQL, and REST APIs.
• Hands-on experience with Docker and cloud platforms (AWS, Azure or GCP).
• Familiarity with Git, CI/CD pipelines, and basic DevOps practices.
• Working knowledge of Next.js is a plus.
• Excellent problem-solving and communication skills.
• Immediate joiner Preffered.  

Nice to Have

• Exposure to React Native or mobile app development.
• Exposure to GraphQL
• Experience with cloud infrastructure automation or serverless deployments.
• Prior experience working in IT services or client delivery projects.

Perks

• Hybrid work model (2–3 days in office, Pune)
• Exposure to global client projects
• Collaborative, fast-paced learning environment

Note: WE USE AN ATS, SO PLEASE MAKE YOUR CV CLEAR, WELL-STRUCTURED, AND INCLUDE RELEVANT SKILLS TO IMPROVE YOUR CHANCES OF BEING SHORTLISTED.

Very good knowledge of at least one front end technology like AngularJs, ReactJs, ViewJs

Very good experience in AJAX, Javascript, Jquery, HTML, CSS3, bootstrap.

Good experience working for APIs and web-services

Should have good experience working for GIT or Bitbucket

Excellent Communication

Able to communicate with International client directly

- Strong logic and analytical skills.

- 5+ Years of experience with PHP, React.js, Javascript, HTML5, CSS3.

- Database Experience - Postgres or other relational databases.

- Proficient understanding of code versioning tools, such as Git, bitbucket.

- Familiarity with Unix/Linux environments.

- Experience with modern dev stack (Docker, Kubernetes) as well as cloud hosting solutions would be an added advantage but not compulsory.

- Use SOAP and REST to implement API integrations

- Flexible to Learn new technologies!!

Must Good English communication

🔥 Overview: Every year Trillions of dollar cross-border trade is done but still businesses have to face huge problems such as manual paperwork & compliance, unorganized processes, messy communication & collaboration, etc. At https://tradeflo.co/">Tradeflo we are digitizing, automating and simplifying workflow for Exporters and importers. We are on a mission to make 40 Million EXIMPrenuer's businesses simpler, faster and better.

Tradeflo is backed by Tier A global investors, unicorn start-up founders and industry experts. Our team comes from top institutes and founded a start-up in a similar domain.

As an early-stage member of the team, some of your responsibilities will include:

• Build out the stellar Technology & Engineering team to scale product
• Taking end-to-end responsibility for the strategy & implementation for building Technology.
• Doing multiple role - sometimes writing code, sometimes managing the tech team, sometimes attracting talent, etc.

• 3 to 5 Years of Experience and Proficiency with any part of Web technology stack.
• Have experience in working with early-stage high growth startup and building team.

📈 This is senior most technology role and long-term opportunity. Compensation is lot more focused on equity and long-term wealth creation.

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills. 

Responsibilities

• Writing clean, high-quality, high-performance, maintainable code
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements
• Coordinate cross-functionally to insure project meets business objectives and compliance standards
• Support test and deployment of new products and features
• Participate in code reviews
• Technical Lead experience exploring other open source frameworks and technologies and integrating with project

Qualifications

• 5+ years of development experience at least two or more of the following languages (Python, Ruby, javascript and Java)
• Expertise in object oriented design and design patterns
• Experience releasing highly scalable enterprise products full lifecycle
• Experience mentoring and training others on complex technical issues
• Experience with implementing algorithms to solve complex real world problems
• Solid coding practices including good design documentation, unit testing, peer code reviews
• Excellent verbal and written communication
• A proven ability to learn and adapt to new, complex development environments with deep dive analytical skills
• Strong object-oriented programming skills, knowledge of design patterns, and an uncanny ability to design intuitive module and class-level interfaces
• Experience in algorithm design and problem solving
• Experience leading small teams of engineers
• Experience with technologies like MongoDB, DynamoDB is highly desirable
• Experience developing full stack web applications using Perl, Java, Python or PHP
• Experience in any of the top JavaScript MVC frameworks, like Backbone, Angular, Ember, Spine or Knockout
• Passion for creating efficient, scalable, highly usable web interfaces
• Candidates from  Product Start-up companies would be highly preferred.

Job Description
We are looking for Full Stack Engineer who can turn ideas into extremely reliable, beautifully written code that other people – or you, six months into the future – will find easy to comprehend and modify. You have mastered more than one technology stack in your life, and you are comfortable with the idea of mastering several more. You're competent at high levels and low levels. Technology is a means and not the ends for you.

Responsibilities
Lead and build team to deliver best product(s).
Work closely with client as they build  features, functionality and applications to make system best.
Develop visioning skills and ability to see the big picture
Implement and contribute to engineering practices and processes
Help your team decide what technologies to use. Every engineer is able to propose better ways to do things

Skills and Qualifications
Back End : NodeJS and / or PHP
Front End : ReactJs, Angular and / or PHP
Experience of full stack web development, JavaScript, HTML5, CSS3 and TypeScript. DevOps knowledge is a plus
Ability to clearly communicate technical issues to laymen and to translate their feedback
An inclination to contribute to the creative process
A devotion to delivering the best possible user experience
Technology expertise with insights about technology trends and solutions
Team-player, flexible and able to work in a fast-paced environment
Experience with MySQL, and/or Cassandra, MongoDB desired

Looking for someone who can take care of all the server-related works, their security, can handle code versions through GitHub, handle the server logs, loads with automated tools.

Hassle-free deploying the code on servers with automated scripts. Should have provision to manage the server downtime efficiently during deployment time on production environment.  Only privileged candidates can access the code and servers with a restricted IP address.

1. Responsibilities

• Serve as a point of cross-functional contact and expertise, providing support to development and QA teams for the build and release process in all environments.
• Provide emergency support for critical issues, research possible cause, and provide solutions.
• Aid DevOps team in the maintenance of existing automated deployment operations as well as the advancement of desired state automated CI-CD Pipelines
• Documents build and deployment process for assigned product and/or tools
• Aid Infrastructure team in the implementation of new resources used by the development, test, and production environments.
• Maintain awareness of best-in-class tools, languages, and practices related to development operations.
• Provides instructions to Infrastructure, Development and Test teams to aid in product development life cycle.

• Participate in discussions regarding new product development and product enhancements.
• 2. Requirements

• Experience working on Linux based infrastructure
• Configuration and managing databases such as MySQL, MongoDB
• Excellent troubleshooting
• Working knowledge of various tools, open-source technologies, and cloud services
• Awareness of critical concepts in DevOps and Agile principles
• Great Experience with public cloud platforms such as AWS, Google Cloud Platform (GCP), or Microsoft Azure.
• Must have implementation experience with TLS/SSL, public private key cryptography, how certificates work, and mutual authentication
• Should have deal with IP addressing, firewalls, open ports, DNS & DHCP