knowledge graph developper

Job Overview:

We are seeking a Senior Backend Developer with 5+ years of hands-on experience in Node.js and Python, strong TypeScript knowledge, and advanced skills in AWS cloud services. You will lead backend engineering efforts and provide architectural and client-facing solutions, especially for international clients in the USA, UK, and Australia.

The ideal candidate must be deeply skilled in data structures, object-oriented programming, system design, and authentication standards (OAuth, SAML, etc.). This role also includes team leadership, cloud-native solution architecture, and direct client interaction for translating business requirements into technical deliverables.

Responsibilities:

• Design, build, and maintain scalable backend systems using Node.js (TypeScript) and Python
• Architect and implement cloud-based solutions on AWS and optionally on other cloud providers (GCP/Azure)
• Develop, secure, and integrate APIs (REST, GraphQL, SOAP) and WebSocket services
• Lead the backend development team: code reviews, mentoring, and enforcing engineering best practices
• Work directly with clients from USA, UK, and Australia to gather requirements and present solutions
• Implement authentication and authorization mechanisms (OAuth 2.0, SAML, JWT, custom auth flows)
• Follow design principles and OOP patterns to ensure code scalability and maintainability
• Apply strong understanding of data structures and algorithms to optimize backend performance
• Create and manage infrastructure components such as:
• IAM, EC2, S3, RDS, Lambda, CloudWatch
• SQS, SNS, ElastiCache, Route53, API Gateway
• VPCs, NAT Gateways, Internet Gateways, ALB/NLB
• Use Docker and Kubernetes (EKS preferred) for containerization and orchestration
• Integrate with relational and non-relational databases including MySQL, PostgreSQL, SQL Server, MongoDB, DynamoDB
• Implement search capabilities using Elasticsearch



Required Skills:

Programming & Architecture:

• Strong in Node.js (TypeScript) and Python
• Deep knowledge of data structures, algorithms, and system design
• Expert in object-oriented programming (OOP) and design patterns
• Experience with software architecture and microservices

Authentication & Security:

• Deep understanding of OAuth 2.0, SAML, JWT, API key, and custom authentication mechanisms
• Experience implementing secure, scalable identity & access controls

Cloud Infrastructure (AWS):

• Hands-on with full stack of AWS: IAM, EC2, S3, RDS, Lambda, CloudWatch, SQS, SNS, ElastiCache, VPC, NAT Gateway, ALB/NLB, Route53, API Gateway
• Proficiency with Docker, Kubernetes, and cloud-native CI/CD pipelines

Databases & Search:

• SQL: MySQL, PostgreSQL, SQL Server
• NoSQL: MongoDB, DynamoDB
• Search: Elasticsearch

APIs & Integration:

• REST, GraphQL, SOAP, WebSockets

Soft Skills:

• Excellent English communication (verbal, written, presentation)
• Experience working with international clients (USA, UK, Australia)
• Strong problem-solving and solution architecture skills
• Able to lead a team and deliver client-ready solutions independently

Preferred Qualifications:

• AWS Certified (e.g., Solutions Architect or DevOps Engineer)
• Experience with hybrid or multi-cloud environments
• Exposure to CI/CD tools, monitoring, logging, and performance tuning

What We Offer:

• Global exposure with direct client interaction
• Strong engineering culture with mentorship and learning opportunities
• High-impact projects with modern cloud-native architecture

Must have 0 Year - 3 year .NET Development Experience

• Good working experience with .NET Core 3

• Good working experience with C#, MVC, OOPS concepts

• Good working experience with Web APIs, jQuery, and JavaScript.

• Good working experience with MS SQL Server

• Very Good Team Player

•Very Good Communication

This role is at high growth startup providing secure video hosting to media and e-learning businesses and thus in high requirement in current market. Site is at www.vdocipher.com. Already in revenues , profitable with 2000+ business customers across 40+ countries. Serving Petabytes of online video content. 

We use API-first approach to implement new features and create developer-friendly interfaces. We have a hybrid model between monolithic and micro-service system based on separation of concern and function.

Salary range -  is 21 to 26 LPA (CTC=Gross), The wide range is to accommodate candidates based on actual experience and skill set. ESOPs will also be granted.

2 to 5+ yrs of work experience expected.

Responsibilities

1. Developing new web services
2. Implementing new features to API
3. Provide secure authentication with role-based-access-controls.
4. Ensuring inter-operability of API with diverse customer frameworks through SDKs
5. Future-proofing of the API with unit testing and extensible design
6. Write and maintain API documentation
7. Choosing the right database and information flow for new features
8. Designing and maintaining the Database schema

Required skills

* Thorough knowledge of Nodejs development ecosystem

* Understanding of security practices and exploits on the web

* Handling authentication frameworks with jwt, oauth and related technologies

* Experience with stateless server apps for horizontal scaling

* Database best practices for optimizing query performance

* Understanding applications of relational vs no-sql databases

* Understanding of version control (Git, SVN)

* Basic understanding of a front-end web environment (HTML5, CSS)

* Write clean and reusable code by following coding standards

* Understanding of writing tests and automation frameworks

Hiring Process

1. Resume Shortlisting
2. 15 min Short introductory phone call 
3. Tech Round Interview 1 (75 mins)
4. 2nd Round Interview (Tech + HR , 1 hour 45 mins)

• 10 + years of experience and expertise in database and systems architecture design, development and implementation;
• Expertise and experience in data structures, indexing, query, and retrieval;
• Excellent data management skills including ensuring data integrity, data access, security and archiving procedures;
• Knowledge of the language technology and video extraction research domains to be able to converse fluently with the research communities to transform research requirements into concrete formalisms.
• Experience in cross platform development for multiple variants of Unix, Linux including 32 and 64 bit
• Experience with NoSQL, SQL databases, statistics and algorithms
• Strong oral and written communication skills
• Design, implement and test novel database architecture designs to accommodate the multimodal data types used in Client managed technology evaluations
• Administer and monitor database and address data security solutions as applicable
• Design and develop efficient techniques for fast, optimized data access and transfer of distributed or networked database systems
• Design, implement and test novel data structures, data search, query and retrieval solutions to enable access to and processing of the multimodal data types used in Client managed technology evaluations

Key responsibilities for this role include:

• Lead one of the product verticals in the development of technology strategy, planning, hiring and execution of the next iteration of the WeInvest platform.

• Institutionalize a strong software engineering culture and facilitate a rapid, iterative, layered development approach.

• Be hands on with the coding, evaluate design and architecture choices, do in-depth code reviews, and implement standards and practices for software development.

• Inspire the engineering team to build quality, scalable code by pairing with team members periodically.

• Participate in the definition and management of high-quality product roadmaps based on business, product & tech strategy.

• Proactively identify and resolve strategic issues that may impair the team’s ability to meet strategic, financial, and technical goals.

The ideal candidate will have:

• Masters /BE/ B.Tech from a reputed institute

• About 6-10 years professional experience in software development.

• Excellent logical and analytical reasoning capabilities combined with strong knowledge of core

computer science concepts like algorithms, data structures, software design patterns, OOP etc.

• Should have experience in all the phases of SDLC

• Must have experience in leading a team. (At least 2-3 people)

• Be an expert in ruby on rails with experience OR from Fintech, Wealth Management OR Investment

• Management Domain with experience in any of the programming languages (Java/Python/Ruby).

• Breadth of experience in multiple technologies, tools, frameworks and processes is a big plus.

• Excellent understanding of core computer science concepts like algorithms, data structure,

Software design patterns, OOP etc. Be able to lead the team in design & architecture discussions,

introduce new tools, concepts & process to the team and guide other members of the team.

• Experience working in an agile team with software engineering practices like automated testing,

test- driven-development, continuous integration etc is a big plus.

• Excellent oral and written communication.