Backend Developer

Oister Global (www.oisterglobal.com) is India’s premier Alternative Assets Manager. We combine robust diligence, deep domain expertise, and an extensive network to create high quality private market opportunities for our investors.

We are seeking a Senior Backend Developer who will be pivotal in architecting and developing scalable, reliable backend systems from scratch. You will work closely with product managers, designers, and other engineers to build new products, design backend architectures, and ensure high performance and responsiveness of the systems. This role requires strong backend fundamentals, cloud experience, a deep understanding of databases, and a passion for system design and architecture.

Key Responsibilities:

● Product Development: Architect, design, develop, test, and deploy new backend products and features from scratch.

● System Design: Take ownership of system design and architecture decisions for new modules, ensuring scalability, reliability, and security. ● API Development: Build efficient and reusable APIs and backend services using Node.js.

● Database Management: Design data models, optimize queries, and manage MongoDB clusters efficiently.

● Cloud Management: Deploy, maintain, and optimize services on AWS, ensuring high availability and performance.

● Best Practices: Maintain coding standards, ensure code reviews, and champion best practices in security, testing, and maintainability.

● Collaboration: Work closely with frontend developers, product managers, QA, and other cross-functional teams to define, design, and ship new features.

● Performance Optimization: Monitor system performance and ensure system uptime and responsiveness.

● Mentorship: Provide guidance and mentorship to junior developers as required.

● Documentation: Maintain thorough documentation of systems, processes, and best practices. Must-Have

Qualifications:

● Education: Bachelor’s degree in computer science, Software Engineering, or a related technical field.

● Experience: 4–5+ years of hands-on backend development experience.

● Expertise in: Node.js (Express.js, Nest.js or similar frameworks) MongoDB (including indexing, replication, sharding concepts) AWS Services (EC2, S3, Lambda, RDS, API Gateway, CloudWatch, IAM, etc.) Proficient in: System design principles Microservices architecture Event-driven architecture Strong understanding of: RESTful APIs.Authentication and authorization best practices (OAuth, JWT) Experience with: CI/CD pipelines Docker and containerization principles Hands-on experience in: Building scalable, distributed, and fault-tolerant systems Good knowledge of : Logging, monitoring, and debugging distributed applications

JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.

Mon-Fri, In office role with excellent perks and benefits!

Key Responsibilities:

1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.

2. Build and implement scalable and robust microservices and integrate API gateways.

3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).

4. Implement real-time data pipelines using Kafka.

5. Collaborate with front-end developers to ensure seamless integration of backend services.

6. Write clean, reusable, and efficient code following best practices, including design patterns.

7. Troubleshoot, debug, and enhance existing systems for improved performance.

Mandatory Skills:

1. Proficiency in at least one backend technology: Node.js or Python, or Java.

2. Strong experience in:

i. Microservices architecture,

ii. API gateways,

iii. NoSQL databases (e.g., MongoDB, DynamoDB),

iv. Kafka

v. Data structures (e.g., arrays, linked lists, trees).

3. Frameworks:

i. If Java : Spring framework for backend development.

ii. If Python: FastAPI/Django frameworks for AI applications.

iii. If Node: Express.js for Node.js development.

Good to Have Skills:

1. Experience with Kubernetes for container orchestration.

2. Familiarity with in-memory databases like Redis or Memcached.

3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.

We're on a mission to make it possible for every person, team, and company to be able to tailor their software to solve any problem and take on any challenge. Computers may be our most powerful tools, but most of us can't build or modify the software we use on them every day. At Notion, we want to change this with focus, design, and craft.

We've been working on this together since 2016, and have customers like Pixar, Mitsubishi, Figma, Plaid, Match Group, and thousands more on this journey with us. Today, we're growing fast and excited for new teammates to join us who are the best at what they do. We're passionate about building a company as diverse and creative as the millions of people Notion reaches worldwide.

Millions of people use Notion — and this number is increasing every day. That means a million people trust us to deliver a fast, reliable, and secure experience, and we value this more than anything. We want to keep earning trust, while also continuing to amaze our users with the tools they can build in Notion. This is where you come in — to help us forge a performant and reliable path forward to the future.

• Write clean, secure, tested, and documented code.
• Design & enhance the Notion platform with new capabilities, as and when the need arises.
• Contribute to monitoring & scaling the architecture of the platform and the infrastructure.
• Write technical documentation, and contribute to determining internal processes.
• Contribute to recruiting of new backend employees

• 6+ years of experience building scalable platforms. 
• Good understanding of database (Relational Or Nosql) internals like transactions, indexes. Experience in schema design.
• 2+ years of experience working on the AWS platform, and acquaintance with technologies like Elastic Beanstalk, AWS Lambda, Elastic Load Balancer.
• Good understanding of docker internals.
• Good communication skills, good leadership skills, attention to detail, a sound understanding of algorithms, and object-oriented programming.

• You're proficient with any part of our technology stack: React, TypeScript, Node.js, Memcached, Postgres, Docker, and Elasticsearch.
• You've heard of computing pioneers like Ada Lovelace, Douglas Engelbart, Alan Kay, and others—and understand why we're big fans of their work.
• You have interests outside of technology, such as in art, history, or social sciences.

Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Notion.

Notion is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Notion is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation made due to a disability, please let your recruiter know.

We are looking for a Backend Developer to join our team to build our product and we are looking for out-of-the-box thinkers with the original thought process and lateral thinking.

You will join a young, dynamic and fast-paced environment, and work with cross-functional teams to design, build, and roll out products that deliver the company's vision and strategy.

Responsibilities :

- Backend development with Node.js, MongoDB and Typescript.

- Developing and testing flexible, scalable applications.

- Collaborate with Front end developers to produce optimum output.

- Think out of the box, discuss and implement your ideas over the phase.

Required skills :

- 3+ Years of experience in backend development using any programming language

- Strong knowledge in APIs

- Proficient understanding of code

• Collaborate with cross-functional teams to define, design and ship new features. 
• Ability to understand business requirements and translate them into technical requirements. 
• Building big, robust. Scalable and maintainable Node JS application. 
• Debugging, fixing bugs, Identifying Performance issues, and improving App performance. 
• Developing, Deploying, and maintaining multistage, multi-tier applications. 
• Provide scalable and secure solutions to large customer problems worldwide.

Roles and Responsibilities:

6+ Experience in  Node.js, React Js

excellent written and verbal communication skill

• Healthy team and relationship building skills
• Hands-on experience delivering web applications in the cloud to on-demand production clients
• Experience in JavaScript, OOP Patterns, ES6, HTML, CSS, LESS
• Experience with  MS Sql Server, Mongo DB
• Experience with SSO, SAML, OAuth, JWT for API and Web Session Authentication and Authorization
• Experience with Azure Devops platform will be an added advantage
• Experience with test and/or process automation, source control
• Possess solid debugging process and exhibit technical intuition