Node.js Developer/Sr. Node.js Developer

Job Title : Senior Python Developer – Product Engineering

Experience : 5 to 8 Years

Location : Pune, India (Hybrid – 3-4 days WFO, 1-2 days WFH)

Employment Type : Full-time

Commitment : Minimum 3 years (with end-of-term bonus)

Openings : 2 positions

• Junior : 3 to 5 Years
• Senior : 5 to 8 Years

Mandatory Skills : Python 3.x, REST APIs, multithreading, Celery, encryption (OpenSSL/cryptography.io), PostgreSQL/Redis, Docker/K8s, secure coding

Nice to Have : Experience with EFSS/DRM/DLP platforms, delta sync, file systems, LDAP/AD/SIEM integrations

🎯 Roles & Responsibilities :

• Design and develop backend services for DRM enforcement, file synchronization, and endpoint telemetry.
• Build scalable Python-based APIs interacting with file systems, agents, and enterprise infra.
• Implement encryption workflows, secure file handling, delta sync, and file versioning.
• Integrate with 3rd-party platforms: LDAP, AD, DLP, CASB, SIEM.
• Collaborate with DevOps to ensure high availability and performance of hybrid deployments.
• Participate in code reviews, architectural discussions, and mentor junior developers.
• Troubleshoot production issues and continuously optimize performance.

✅ Required Skills :

• 5 to 8 years of hands-on experience in Python 3.x development.
• Expertise in REST APIs, Celery, multithreading, and file I/O.
• Proficient in encryption libraries (OpenSSL, cryptography.io) and secure coding.
• Experience with PostgreSQL, Redis, SQLite, and Linux internals.
• Strong command over Docker, Kubernetes, CI/CD, and Git workflows.
• Ability to write clean, testable, and scalable code in production environments.

➕ Preferred Skills :

• Background in DRM, EFSS, DLP, or enterprise security platforms.
• Familiarity with file diffing, watermarking, or agent-based tools.
• Knowledge of compliance frameworks (GDPR, DPDP, RBI-CSF) is a plus.

Company Overview:

We are a small, dynamic, and growing AI-focused company delivering cutting-edge AI solutions to our clients. We specialize in implementing real-world applications using Large Language Models (LLMs), Small Language Models (SLMs), Retrieval-Augmented Generation (RAG), Agentic AI systems, and cloud-native services across AWS, Azure, and GCP.

Job Summary:

We are looking for a passionate AI Developer & Solution Provider who thrives on solving real client problems using AI. The ideal candidate will have solid experience with Python, language models, chatbot development, and building scalable solutions using cloud services and modern databases. You will work directly with clients to understand their needs and deliver end-to-end AI-powered solutions.

Key Responsibilities:

• Design, build, and deploy AI/ML solutions using LLMs (e.g., GPT-4, Claude), SLMs, and open-source models.
• Develop and fine-tune chatbots, intelligent agents, and Agentic AI workflows for various client use-cases.
• Implement Retrieval-Augmented Generation (RAG) pipelines to enhance LLM capabilities.
• Build secure, scalable backends using Python and integrate AI components with APIs, databases, and cloud systems.
• Understand client requirements and translate them into technically sound and scalable AI solutions.
• Deploy applications and services using cloud platforms (AWS, Azure, GCP).
• Work with structured and unstructured data, including setting up and managing databases (SQL, NoSQL).
• Stay updated with the latest trends in AI/ML and help bring innovative solutions to the team and clients.
• Document solutions and provide technical support during client handover and implementation.

Required Skills and Experience:

• Strong Python programming experience, especially for AI/ML development.
• Hands-on experience with LLMs, SLMs, OpenAI, Hugging Face, etc.
• Practical knowledge of RAG, vector databases (e.g., FAISS, Pinecone, Weaviate, Chroma).
• Experience with Agentic AI systems, frameworks (e.g., LangChain, AutoGen, CrewAI), and chatbot development.
• Good understanding of databases – both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis).
• Solid experience with cloud platforms: AWS (SageMaker, Lambda), Azure (OpenAI, ML Studio), GCP (Vertex AI, Functions).
• Comfortable interacting with clients and delivering tailored AI solutions.
• Excellent problem-solving and communication skills.

Nice to Have:

• Experience with fine-tuning/custom training of models.
• Experience in deploying scalable APIs (e.g., FastAPI, Flask).
• Background in data engineering or MLOps.
• Familiarity with DevOps, Docker, Kubernetes is a plus.

Why Join Us?

• Opportunity to work on cutting-edge AI solutions with real-world impact.
• Collaborative and flexible work culture.
• Direct exposure to diverse clients and industries.
• Fast-paced environment with learning and growth opportunities.

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

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

What we are looking for

• At-least 3 years of experience of development on backend applications. Full stack experience is a cherry on the top!
• Experience / knowledge of designing robust systems, maintaining & scaling them
• Experience with usage of NoSQL databases like MongoDB & with SQL and RDBMS Systems
• Experience of creating applications with any of the popular frameworks in Python, Java, GoLang, Node
• Experience with JS frontend frameworks like React, Angular, Vue etc is a big plus
• Well versed with versioning systems like git
• Understanding of rest API implementation

Some of the responsibilties you will be taking up are following

• Working on creating performant and fault tolerant systems which are scalable
• Design, build, and maintain high performance, reusable, and reliable codebase
• Effectively work with product to gather requirements, gain deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic devops related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements

Job Description:

Skills Required:

• Backend developer with hands-on programming experience in Node Js / Python / Golang
• Expertise in developing REST APIs with any backend framework using above languages.
• Expertise in system design & architecture patterns.
• Experience in building reusable code and libraries for future use.
• Experience in optimising application for maximum speed and scalability.
• Strong fundamentals in computer programming, data structure & algorithms.
• Exposure to AWS services like S3, CloudFront, CloudWatch, lambda & API gateway.
• Good understanding for SQL & NoSQL dB’s, preferably work experience with MongoDB.

Responsibilities:

• Build reusable code and libraries for future use.
• Own & build new modules/features end-to-end independently.
• Collaborate with other team members and stakeholders.

Requirements:

• Thorough understanding of Node.js, JavaScript, its quirks, and workarounds.
• Excellence in at least one framework like strongloop loopback, express.js, sail.js etc.
• Excellence in at least one Javascript framework like Angular, vue.js, Ember, React or Backbone.
• Basic architectural understanding of modern day web applications.
• Diligence for coding standards.
• Must be good with git and git workflow.
• Experience of external integrations is a plus.
• Working knowledge of AWS, GCC, Azure.
• Expertise with linux based systems.
• Experience with CI/CD tools like jenkins is a plus.
• Experience with testing and automation frameworks.
• Extensive understanding of RDBMS systems.
• Interpersonal Go-getter attitude and a passion for making killer web applications.
• Good communication and interpersonal skills.
• Ability to work in a high pressure environment.
• Ability to quickly understand complex problems and devise effective solutions.
• Knowledge of D3/NodeJS/AngularJS/lodash etc.
• Experience on Cloud as a platform or Infrastructure.
• Inclination to application design standards.