Senior Backend Engineer - FastAPI

About the Role

We are looking for a senior backend engineer to build the infrastructure that powers AI agents in enterprise environments. You will work on systems that securely run, manage, monitor, and govern AI agents as they interact with users, business applications, and external tools.

This role combines backend engineering, distributed systems, AI agent infrastructure, security, and platform development.

Responsibilities

• Build and maintain the core runtime that manages AI agent execution and lifecycle.
• Develop systems for message processing, task orchestration, queue management, and recovery from failures.
• Design secure communication and execution boundaries between AI agents and the host platform.
• Build and enhance sandboxed environments for safe tool and code execution.
• Develop scalable backend services, APIs, and platform components.
• Build admin interfaces and APIs for configuring agents, permissions, approvals, and audits.
• Implement capability, access control, and permission management systems.
• Develop durable memory and state management systems for AI agents.
• Build integrations with communication platforms, business applications, and external systems.
• Improve platform reliability, observability, security, and performance.
• Collaborate closely with engineering teams to design, develop, test, and ship new capabilities.

Required Skills & Experience

• 5+ years of backend software engineering experience.
• Strong proficiency in TypeScript, Node.js, or another modern typed programming language.
• Experience building scalable, distributed, and event-driven systems.
• Strong understanding of databases, transactions, queues, background workers, and system reliability.
• Experience designing and building REST APIs and backend services.
• Hands-on experience using AI coding tools and assistants in daily development workflows.
• Understanding of AI agent frameworks, agent workflows, tool calling, context management, or agent orchestration concepts.
• Strong knowledge of system design, security principles, authentication, authorization, and access control.
• Experience debugging, optimizing, and maintaining production systems.
• Ability to work independently in large codebases and deliver high-quality solutions.

Good to Have

• Experience with AI agent frameworks or SDKs.
• Experience building developer platforms, admin consoles, or management systems.
• Knowledge of sandboxing, process isolation, containers, or secure execution environments.
• Experience with distributed systems concepts such as ordering, retries, idempotency, and fault recovery.
• Experience designing extensible architectures and integration platforms.
• Exposure to AI infrastructure, LLM applications, or autonomous agent systems.

What We're Looking For

• Strong backend engineering fundamentals.
• Security-first mindset.
• Experience building reliable production systems.
• Interest in AI agents and AI infrastructure.
• Ability to move quickly, solve complex technical problems, and work in a fast-paced environment.

We are looking forward to hiring a committed

Java Developer with experience in building high-performing, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Location = Pune

You are required to:

Contributing in all phases of the development lifecycle.

Write well designed, testable & efficient code.

Ensure designs comply with specifications.

Prepare and produce releases of software components.

Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

Our Current Stack

Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL, NGINX Plus.

Frontend: Angular 5+ Ngrx/store 5

Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io (websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache

Tools: Gitlab, Postman app, JIRA.

Technical Skills required

JAVA, SPRING OR SPRING BOOT, DATA STRUCTURES & ALGORITHMS, HIBERNATE, MYSQL, MONGODB and NOSQL

What Makes You Eligible?

LOOKING FOR CANDIDATES FROM PUNE LOCATION ONLY.

B. Tech degree ONLY ( FIRST CLASS GRADE IN FINAL YEAR 60 % OR ABOVE ONLY).

Experience in the same role of almost 1-2 years.

Experience with connecting backend and frontend services.

Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).

Proficiency in Data Structures and Algorithms.

Understanding of web markup, including HTML 5 CSS.

Understanding of client-side scripting and JavaScript frameworks.

Ability to write clean, reusable and well documented code.

Proficient understanding of code versioning tools, such as Git.

Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus)

Fair spoken and written English Flexibility - Things change around here. FAST!

Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.

Responsibilities:

• Design and develop large scale web applications using Node.js; 
• Full-cycle projects and product development; 
• Focus on software development and build Restful API's; 
• Contribute to the overall software development life-cycle including requirements gathering, analysis, design, development, release/version control, testing, deployment, and support; 
• Be a part of an agile-based team 

Requirements:

• Exposure to ES6 knowledge of REST API Design and Development in Node.js. 
• Basic Knowledge of Web Socket.
• Strong Knowledge of Javascript, Good exposure to Redis, MongoDB.
• Should be having a basic understanding of HTML5, CSS3, Bootstrap4.

We Offer:

• 5 Days Working
• Competitive Salary.
• Knowledge-Based Hierarchy 
• Trending Technology Development
• Career Development Programs.
• Tremendous Scope of Responsibilities and KPIs Aligned with Individual and Organisational Goals.
• Exposure to working with a team size of 65+.
• Good Project Incentives and Rewards.
• Explore Incredible India!Workation Programmes with Airfare, Hotelstay.
• Work-Life Balance.
• Fantastic Team Spirit with Creative, Fun and Open Office Work Culture.

Job Requirements:       

·        Bachelor’s degree (minimum) in Computer Science or Engineering.

·        Minimum 5 years of experience working as a senior–level Software Engineer

·        Excellent programming and debugging skills in RoR and Python

·        Experience in web development and automation

·        Experience developing on Windows and Linux systems 

Although not required, the following are a plus: 

·        Experience working with Build scripts, Shell scripts, Makefiles

·        Experience with Jenkins and other CI/CD tools

·        Knowledge of RESTful web services and docker

We are a fast-growing startup based in Gurgaon, and have just raised our Pre Series A! We are happy to offer the right compensation, the right ESOPs, and the right freedom and autonomy to the right candidate! 

We are looking for a Senior Backend Developer to take our product to the next level. 

* Development with NodeJS and front-end languages/frameworks (jQuery, ReactJS/AngularJS, CSS3, HTML5)
* 4+ years of SQL experience (MySQL preferred)
* Experience developing RESTful Web Services, Web APIs, and micro-services.
* Integrating with a third-party system via RESTful APIs.
* 4+ years of solid experience with SQL and NoSQL-based solutions.
* Experience with AWS deployments.
* Troubleshoot and resolve issues in production and non-production environments.
* Ability to write clean, modular, reusable code (using design patterns) and experience with a unit-test-driven approach to development.

* Familiarity with Elasticsearch is an advantage
* Experience with Redis is an advantage

Founder’s LinkedIn profile

Dheeraj Pandey

(Founder, Investor, & Then-CEO of Nutanix / One of the Indian origin guy out of 10 Board Member of- Adobe / Alumni- IIT, Kanpur & University of Texas, Austin)

https://www.linkedin.com/in/dpandey/">https://www.linkedin.com/in/dpandey/

&

Chandra Nath

(Vice President- Nutanix/ Vice President, Head of International- Ola (ANI Technologies Pvt Ltd) – Alumni- IIT, Kanpur, The University of Chicago Booth School of Business)

https://www.linkedin.com/in/chandranath/">https://www.linkedin.com/in/chandranath/

&

Manoj Agarwal

(Co-Founder at Stealth Startup, Previously SVP Engineering & GM Hybrid Cloud at Nutanix/ Alumni- IIT, Kanpur)

https://www.linkedin.com/in/devreveler/">https://www.linkedin.com/in/devreveler/

• Headquarters: Austin, Texas, United States
• Year founded: 2020.
• Work Location: Bangalore
• Team size: 35-40 (In US from companies like Google, Airbnb, Blizzard, Facebook, Palantir, Microsoft, CapitalOne, Nutanix and Confluent)
• Funding: 50 M USD (raised the largest seed round in the history of Silicon Valley)

Note:

We already have a team of 30-35 people in San Jose, California, United States, now we are building a new team in india and they are hiring 0-5 years of rock stars from top notch colleges (Top 5 ranked IIT’s only & BITS) & companies only.

Note:

Basically, I did not have the exact JD with myself, but I can arrange an Exploratory call for you with above senior and core members of a company (Dheeraj/Chandra/Manoj).

Job Role – Backend developer.

If you think, you are one of them then please reply with your interest and we will take your candidature ahead for next level of evaluation. (No Bar of budget for strong candidate).

Looking forward to taking you to the next level of technology.

Warm Regards,

Rahul Rajput

Senior talent acquisition 

Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.

Website Link: https://vahvah.com/

The Mission

Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.

Our Culture

• Amazing workplace and colleagues to work with
• We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
• You will work with colleagues who don’t take themselves too seriously but move mountains.
• See yourself evolving every month with new problems to solve and new skill to master.
• Work with the smartest engineers so you can learn from them.
• Competitive salary at par with the best in the industry
• Great stock options so you can benefit from the company's growth.
• Immense exposure to new technologies

Responsibilities:

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members. Taking lead on projects, as needed.

Requirements:

• Overall experience of 2-5 years in building backend services using languages like NodeJs, Java etc
• Fluency or understanding of specific languages, such as Java, Node.Js, Python, and operating systems may be required.
• Strong understanding of the web development cycle and programming techniques and tools.
• Focus on efficiency, user experience, and process improvement.
• Strong problem solving and verbal and written communication skills.
• Ability to work independently or with a group.
• Sound knowledge on source control and DevOps

What you get:

• Amazing workplace and colleagues to work with
• Competitive salary at par with the best in the industry
• Immense exposure to new technologies

• 1+ year of experience
• Full responsibility for designing and building core back-end modules and system architectures.
• Good understanding of database concepts.
• Experience with at least two programming languages (PHP & GoLang).
• Experience in creating at least one web application.
• Knowledge of MySQL in-depth and basic understanding of MongoDB along with basic understanding about different paradigms of programming.
• Ability to interact and coordinate with a team.
• Should have a basic understanding of APIs.
• Modify code in time to keep code dry and reusable.
• Should have worked in at least one framework in the backend.
• A background in Software Architecture would be preferred.

• Develop data-driven web solutions on PHP frameworks (ideally CakePHP), but be undeterred when the need arises to create an application from the ground up as required, maintain, contribute and adhere to our programming best practices and guidelines.
• Work with a team of UI designers, programmers, and server admins, to bring brand new concepts to the market.
• Help improve our code quality through writing unit tests, automation and performing code reviews.
• Immediate Joiner

we are looking to add new talent to our ruby on rails team. You will be responsible for developing and maintaining the server-side logic for the central database, testing performance, troubleshooting, and integrating front-end elements into the application.

Job specifications-

• Bachelor’s degree in computer science, computer engineering, or related field.
• Understanding of ruby on rails as well as libraries
• Ability to write clear, readable ruby codes.
• Problem-solving capabilities.
• Understanding of code versioning tools like- Git
• Good understanding of front-end technologies including- HTML5, JavaScript, and CSS3.
• Familiarity with MVC, Mocking, RESTful, and ORM.
• Familiarity with testing tools.