
Who You Are:
- You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
- You understand event-driven architectures and have hands-on experience building real-time applications.
- You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
- You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
- You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.
Responsibilities:
- Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
- Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
- Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
- Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
- Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
- Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
- Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
- Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
- Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.
Must-Have Skills:
- Strong proficiency in Node.js and NestJS with TypeScript.
- Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
- In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
- Experience with RabbitMQ for message queuing and asynchronous task handling.
- Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
- Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
- Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.
Key Skills:
- TypeScript, NestJS, WebSockets, Socket.io
- Redis, MongoDB, Elasticsearch, RabbitMQ
- API Optimization, JWT, OAuth, RBAC
- Real-time communication, Event-driven architecture

About StreamSpace Artificial Intelligence
About
StreamSpace aims to optimise the customer communications for businesses using technologies around AI, VoiceBOTs and full blown Communication Suite. We believe that there are a lot of business processes around customer communications that are handled manually and ineffectively which can be automated with consistent quality of service and deliver a top notch customer experience.
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Job Overview :
We are looking for a skilled Node.js Developer to join our team. You will be responsible for developing and maintaining server-side applications, APIs, and services, ensuring high performance, scalability, and reliability.
Responsibility :
-Develop Backend Services: Build and maintain server-side applications using Node.js.
-API Integration: Develop and integrate RESTful APIs.
-Database Management: Work with databases (SQL/NoSQL) for efficient data storage and access.
-Optimize Performance: Ensure the application is optimized for speed and scalability.
-Debugging and Troubleshooting: Identify and resolve issues in the backend system.
-Collaboration: Work with front-end developers to ensure seamless integration between server- side and client-side systems.
Education :
- Bachelor’s degree in Computer Science, Engineering, or a related field.
Ready to take the next step in your career? Submit your application today and become a part of our innovative team at Rayvat (Jenya) Outsourcing. We look forward to meeting you!
Job Title: Senior Backend Developer
Location: Mali mahajan road, somwar peth, Pune.
Experience: 5-7 years
Responsibilities:
Backend Development:
- Design, develop, and maintain scalable and high-performance backend systems.
- Utilize AWS Serverless skills (API Gateway, Lambda, DynamoDB, SQS, Event bridge, CloudWatch, permissions, accounts, multi accounts, streams
Technology Stack:
- Proficiency in JavaScript, Node.js, and Typescript for backend development.
- Leverage AWS services to build serverless applications with a focus on efficiency, security, and reliability.
E-commerce Expertise:
- Bring experience in e-commerce projects, with additional consideration for knowledge of Commerce tools.
Communication Skills:
- Communicate effectively with stakeholders across the US, UK, and Australia.
- Collaborate with cross-functional teams to understand requirements and provide technical insights.
Project Collaboration:
- Work closely with front-end developers, QA engineers, and other team members to deliver end-to-end solutions.
Requirements:
- Bachelor’s degree in Computer Science or a related field.
- 5-7 years of backend development experience.
- Strong proficiency in AWS Serverless technologies.
- Expertise in JavaScript, Node.js, and Typescript.
- Experience with e-commerce projects, particularly Commercetools, is an advantage.
- Excellent communication skills to engage with international stakeholders.
Looking for integration of Signavio tool with other systems like Teams, SNOW, EXTOLLO, Alice etc., Optimization and automation of the processes are needed Enhance the integrations with other systems, look for optimization & automation Candidate should have good knowledge on the above languages and frameworks Hands on experience and good at handling the business connects is must Should have good communication skills & Analytical Skills Good to have: UI Frameworks like ReactJS and Angular Should be able to understand the complete framework of application/tool Understanding on the integrations & configurations with integrated DB and other technology classes layers is added advantage Good team player and be ready to work individually and also team level Education: BE/B. Tech in relevant stream and equivalent degree in computer science
Come and Join the future.
This is an opportunity to work directly with Industry experts having 20+ years of experience in Technology and product development.
Roles and Responsibilities
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications
Desired Candidate Profile
- Strong organizational and project management skills.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Angular JS, and React JS.
- Proficiency with server-side languages like Nodejs, and Expressjs.
- Familiarity with database technology such as MySQL, Postgresql or MongoDB.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail.
Designation: Backend Developer
Location: Mumbai (Currently Remote)
Principal Accountabilities:
- Develop, Enhance, and Modify Applications for a Global Market Environment.
- Design, Code, Test, Debug, and Document programs for corporate systems architecture.
- Work closely with Business stakeholders to define requirements for system applications
Work Dimensions:
- API integration, Application deployment, Test Driven Development & Agile methodologies
- Database designing ; (Knowledge of NoSQL databases is a plus).
- Familiarity in Unix/Linux development environments & tools including scripting.
- Designing system architecture for solving complex problems with a sound understanding of object-oriented programming and design patterns.
Work Context:
- A fast moving, high growth, entrepreneurial environment.
- Need to work on Git and work in a highly collaborative environment.
- Timely reporting is required.
- Must typically have in-depth knowledge of development tools and languages
- Ensure full legal and ethical compliance and conduct of business at all times and under all circumstances
- Attention to detail needed to maintain a global standard of work output
- Supervise, mentor, coach a small team of associates on a day to day basis for better management of their performance.
Role requirements:
- 2 to 6 years of experience in the IT industry
- 2+ years of experience in NodeJS
- Graduate degree (B.Tech/ BSc. IT) in IT/Engineering/Computer Science
- Strong problem-solving abilities
- Good communication skills.
- A good team player
Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++ or C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.

- You’ve been building web applications professionally for 4+ years
- You’re proficient in NodeJS, TypeScript, MySQL, and MongoDB
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experience with TDD (Test Driven Development)
- You have the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- Frontend experience; (Good to have) Angular
- Start-up experience, preferably a tech start-up
- Open-Source contributor
- You have experience with other programming languages -- e.g., Python, Ruby, PHP, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering, or related field, or equivalent training, fellowship, or work experience
Qualifications
- BE/ B. Tech/ MSc/MTech
- Candidate should possess the degree from a recognized University/ Institution only
Senior Software Engineer (Python)
Job description
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.
In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.
What You’ll Do:
- Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
- Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
- Build reusable components and packages for future use.
- Translate specs and user stories into reviewable, test covered patches.
- Peer review code and refactor existing code.
- Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
- Manage Kubernetes and Docker based global deployment of our infrastructure.
Requirements
We’re Looking for Someone With:
- Experience working with ORMs like SQLAlchemy or Django
- Experience with SQL and databases (Postgres preferred)
- Experience in developing large server side applications and microservices
- Ability to create high quality code
- Experience with python testing tools (pytest) and test automation
- Familiarity with code versioning tools like GIT
- Strong sense of ownership and leadership quality
- Experienced in the tools of our web stack
- Python
- Celery
- Postgres
- Redis
- RabbitMQ
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Experience with ReactJS, Google Cloud, Heroku
- Cloud deployment and scaling experience
About Us:
Fulfil.io helps high growth, high volume merchants simplify operations and scale for growth. With the rise in omni-channel commerce, Fulfil was founded with the simple idea that merchant operations need to be simplified in order to deliver amazing retail experiences. Fulfil enables businesses to turn their back office operations into an accelerator for growth by integrating order management, inventory management, warehouse management, vendor/supplier management, wholesale, manufacturing, financials and customer service, into one seamless solution. We believe merchants should love their operations platform, and we work hard to make that happen every single day. Fulfil.io is a trusted solution for brands like EndySleep, Mejuri, Lie-Nielson Toolworks, and many more.
Fulfil.io is a venture backed technology company with offices in San Francisco, Toronto, and Bangalore. The team is made up of people who want to feel challenged at work, be the best at their craft and learn from one another. We come from different backgrounds and experiences, all passionate about the work we do, the team we do it with, and the customers we do it for. Join us in our journey to simplify operations and empower merchants around the world!










