Backend Developer

Company: Grey Chain AI

Location: Remote

Experience: 7+ Years

Employment Type: Full Time

About the Role

We are looking for a Senior Python AI Engineer who will lead the design, development, and delivery of production-grade GenAI and agentic AI solutions for global clients. This role requires a strong Python engineering background, experience working with foreign enterprise clients, and the ability to own delivery, guide teams, and build scalable AI systems.

You will work closely with product, engineering, and client stakeholders to deliver high-impact AI-driven platforms, intelligent agents, and LLM-powered systems.

Key Responsibilities

• Lead the design and development of Python-based AI systems, APIs, and microservices.
• Architect and build GenAI and agentic AI workflows using modern LLM frameworks.
• Own end-to-end delivery of AI projects for international clients, from requirement gathering to production deployment.
• Design and implement LLM pipelines, prompt workflows, and agent orchestration systems.
• Ensure reliability, scalability, and security of AI solutions in production.
• Mentor junior engineers and provide technical leadership to the team.
• Work closely with clients to understand business needs and translate them into robust AI solutions.
• Drive adoption of latest GenAI trends, tools, and best practices across projects.
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Must-Have Technical Skills

• 7+ years of hands-on experience in Python development, building scalable backend systems.
• Strong experience with Python frameworks and libraries (FastAPI, Flask, Pydantic, SQLAlchemy, etc.).
• Solid experience working with LLMs and GenAI systems (OpenAI, Claude, Gemini, open-source models).
• Good experience with agentic AI frameworks such as LangChain, LangGraph, LlamaIndex, or similar.
• Experience designing multi-agent workflows, tool calling, and prompt pipelines.
• Strong understanding of REST APIs, microservices, and cloud-native architectures.
• Experience deploying AI solutions on AWS, Azure, or GCP.
• Knowledge of MLOps / LLMOps, model monitoring, evaluation, and logging.
• Proficiency with Git, CI/CD, and production deployment pipelines.

Leadership & Client-Facing Experience

• Proven experience leading engineering teams or acting as a technical lead.
• Strong experience working directly with foreign or enterprise clients.
• Ability to gather requirements, propose solutions, and own delivery outcomes.
• Comfortable presenting technical concepts to non-technical stakeholders.

What We Look For

• Excellent communication, comprehension, and presentation skills.
• High level of ownership, accountability, and reliability.
• Self-driven professional who can operate independently in a remote setup.
• Strong problem-solving mindset and attention to detail.
• Passion for GenAI, agentic systems, and emerging AI trends.

Why Grey Chain AI

Grey Chain AI is a Generative AI-as-a-Service and Digital Transformation company trusted by global brands such as UNICEF, BOSE, KFINTECH, WHO, and Fortune 500 companies. We build real-world, production-ready AI systems that drive business impact across industries like BFSI, Non-profits, Retail, and Consulting.

Here, you won’t just experiment with AI — you will build, deploy, and scale it for the real world.

Immediate Hiring for L3 Support Backend .Net Developer Position

Job Description:

We are looking for a proactive and detail-oriented L3 Support Engineer to manage and resolve complex technical issues in our Online Travel Booking Platform. You will act as a bridge between customer support, QA, and development teams, with deep knowledge of application internals, APIs, databases, and cloud environments. Ideal candidates should have hands-on experience in .NET or any other backend stack and should be able to handle critical issues, automate support tasks, and contribute to platform stability.

Key Responsibilities:

1. Investigate and resolve complex issues reported by L1/L2 support or customers in production.
2. Perform deep-dive analysis of application logs, exceptions, database queries, and API interactions.
3. Handle incidents related to booking failures, payment mismatches, GDS/supplier API errors, and latency issues.
4. Coordinate with Engineering teams to identify bugs and ensure timely resolution.
5. Monitor system health, performance metrics, and alerts across services (flight, hotel, payment, user management, etc.).
6. Perform root cause analysis (RCA) and document it with action plans and preventive measures.
7. Build or improve internal tools/scripts to aid in faster triaging and resolution.
8. Own deployment verifications and hotfix validations in staging or production environments.
9. Support business continuity during high-traffic periods (e.g., holiday seasons, campaigns).
10. Maintain a knowledge base of recurring issues, resolutions, and platform behavior.

Required Skills :

Join us in our mission to inspire travellers and create unforgettable experiences! If you have the skills, experience, and enthusiasm to excel in this role, we'd love to hear from you.

3–6 years in Application Support / L3 Support / Backend Engineering

1. Strong knowledge of .NET Core / ASP.NET / C#, or any other backend language (Java, Node.js, Python, etc.)
2. Proficiency in debugging distributed systems and analyzing API and application logs.
3. SQL Server, PostgreSQL, or other RDBMS – query optimization, issue tracing.
4. Understanding of RESTful APIs, OAuth, third-party API integration (e.g., GDS, payment gateways).
5. Exposure to Azure / AWS / GCP – especially logging, monitoring, and app services.
6. Experience using tools like Postman, Fiddler, Kibana, Grafana, Azure Monitor, or similar.
7. Knowledge of microservices, CI/CD pipelines, and application containers (Docker, Kubernetes) is a plus.
8. Excellent communication skills to interact with cross-functional teams

Responsibilities:

• Work with product owners, managers, and customers to explore requirements and translate use-cases into functional requirements.
• Collaborate with cross-functional teams and architects to design, develop, test, and deploy web applications using ASP. NETCore | Open-source web framework for. NET, . NET Core, and C#.
• Build scalable, reliable, clean code and unit tests for. NET applications.
• Help maintain code quality, organization, and automation by performing code reviews, refactoring, and unit testing.
• Develop integration with third-party APIs and external applications to deliver robust and scalable applications.
• Maintain services, enhance, optimize, and upgrade existing systems.
• Contribute to architectural and design discussions and document design decisions.
• Effectively participate in planning meetings, retrospectives, daily stand-ups, and other meetings as part of the software development process.
• Contribute to the continuous improvement of development processes and practices.
• Resolve production issues, participate in production incident analysis by conducting effective troubleshooting and RCA within the SLA.
• Work with Operations teams on product deployment, issue resolution, and support.
• Mentor junior developers and assist in their professional growth. Stay updated with the latest technologies and best practices.

Requirements:

• 5+ years of experience with proficiency in C# language.
• Bachelor's or master's degree in computer science or a related field.
• Good working experience in. NET Framework, . NET Core, and ASP. NETCore | Open-source web framework for. NET and C#.
• Good understanding of OOP and design patterns - SOLID, Integration, REST, Micro-services, and cloud-native designs.
• Understanding of fundamental design principles behind building and scaling distributed applications.
• Knack for writing clean, readable, reusable, and testable C# code.
• Strong knowledge of data structures and collections in C#.
• Good knowledge of front-end development languages, including JavaScript, HTML5 and CSS.
• Experience in designing relational DB schema, PL/SQL queries performance tuning.
• Experience in working in an Agile environment following Scrum/SAFE methodologies.
• Knowledge of CI/CD, DevOps, containers, and automation frameworks.
• Experience in developing and deploying on at least one cloud environment.
• Excellent problem-solving, communication, and collaboration skills.
• Ability to work independently and effectively in a fast-paced environment.

• Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
• 8+ years of industry experience in product development
• Experience in coaching and mentoring team members
• Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
• Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
• Must work with QA engineers to devise proper test constructs - unit testing and integration tests.

Job ID: RP1001

Required Experience- 4+ years

Expected joining within two weeks

Preferred Skills:

• Good communication skills in English (Written and Oral)
• Strong knowledge of RDBMS concepts
• Strong analytical and problem-solving skills
• Experience in performance tuning
• Experience in interaction with the customer
• Technical skills Java, HTML, CSS, TypeScript, SpringBoot, Hibernate, Microservices
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
• Ability to explore the application by himself/herself from the training provided

Responsibilities:

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
• Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

Job Locations: Bangalore, Pune, Chennai, Dehradun, Mohali, Panchkula, or Gurugram (Currently Remote)

• Owns team's output and E2E definition and execution of SDLC. Drives sprint planning, estimates & prioritizes tasks, Keeps key stakeholders updated on progress, milestones, and any potential slippages.
• Identifies pitfalls across codebases proactively. Writes model code that is looked up to. Understands internals of programming languages & runtimes. Creates common reusable components/libraries- Uses advanced data structures.
• Designs API contracts between large systems with end-to-end service design and active leadership towards long-term sustainability including versioning, complex migration plans, impact analysis across products.
• Owns NFRs and pushes the envelope on performance, scalability, and high availability with cognizance towards the cost of infra. Drives tech stack selection independently, mentors junior engineers. Evangelises of generic platform building across the organization.
• Troubleshoots unseen issues across codebases. Solves large end-to-end cross-cutting problems with elegant solutions with an eye on long-term sustainability.
• Partners with and influences product managers on “how”. Leads the pack on hiring and evangelizes steeper hiring standards towards building an A+ team. Represents company on external platforms/conferences.

Qualifications:

• Bachelor's Degree in Computer Science or similar discipline
• 7+ years relevant work experience in software engineering while leading teams.
• Proficiency in more than one modern programming language such as Python (preferred) associated tech stack to write maintainable, scalable, unit-tested code
• Experience in building complex software systems that have been successfully delivered
• Should be strong with System Design and Database designing
• Deep understanding of design patterns, optimizations, deployments with Strong object-oriented design skills
• Experience mentoring other software engineers.
• Experience with full life cycle development in any programming language

We are looking for Senior Backend Engineers to design and build the systems that power our core business of lending and loan processing.  As a Senior Backend Engineer you will be expected to contribute significantly to your team. Your work is consistently of high quality. You solve complex problems, applying appropriate technologies, design patterns, and best practices. Your focus is on a major portion of existing or new team software. You work with your team to design and build software that is secure, correct, observable, and resilient. Your solutions are pragmatic. You identify the proper level of complexity for a task and advise your peers and manager on technical approach.

What you’ll do

• Design, implement, and maintain developer-friendly APIs and services

• Contribute to code and architecture reviews to keep our code quality high
• Debug and resolve production issues; take part in blameless postmortems
• Plan and execute smooth migrations to new technology as a way of managing technical debt
• Build tools and automation for our business and operations teams
• Make decisions on trade offs such as: Reuse versus introducing dependencies; Extensibility versus over-engineering; and Maintainability versus time to delivery (via short-term workarounds)
• Contribute to the improvement of your team’s code review standards, design discussions, team planning, and AARs.

You may shine in this role if you

• Have a track record of shipping software in a distributed systems environment

• Are enthusiastic about collaborating across departments to solve challenging problems
• Are pragmatic about the need to release less-than-perfect software and continuously iterate on it
• Can identify and articulate trade-offs in software and data design
• Can communicate both technical and business requirements fluently
• Are excited about both learning new things and teaching others

We speak mainly in javascript and golang, though we are open to engineers with different backgrounds and languages