
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 description for Python/Backend Developer
We are actively looking for backend software engineers who are passionate about building cutting-edge systems that work on the latest tech stack (Python, Django) but also help save lives. You’ll have the opportunity to learn and lead the development of several AI-enabled products and solutions within the company that are geared to help accelerate the development of new cures and to reduce the inefficiencies in how healthcare information is managed.
Key Responsibilities:
- Design, develop, and deploy scalable APIs using Python/Django.
- Integrate third-party APIs like Facebook page API, Google Business API, and all other social APIs (10+)
- Collaborate with cross-functional teams to define, design, and ship new features.
- Write clean, maintainable, and testable code.
- Develop and maintain authentication mechanisms, including OAuth, JWT, and SSO integration with third-party providers.
- Optimize and maintain existing APIs for performance and scalability.
Required Skills and Qualifications:
- Education: Bachelor’s degree in Computer Science, Information Technology, or related field.
- Experience:
- 2+ years of experience in Python development.
- Proven experience in designing and developing RESTful APIs.
- Advanced proficiency in Python programming.
- Strong experience with databases (e.g., MySQL, Elasticsearch).
- Hands-on experience with SSO protocols and implementation (e.g., OAuth, SAML, OpenID Connect).
- Experience integrating SSO with third-party providers.
- Proficiency in using JSON Web Tokens (JWT) for secure data exchange
- Technical Skills:
- Proficiency in Python and Python frameworks (Django, Flask).
- Solid understanding of web technologies (HTTP, SSL/TLS, JSON, XML).
- Familiarity with API documentation tools (e.g., Swagger, Postman).
- Experience with version control systems (e.g., Git).
- Expertise in authentication and authorization methods.
- Ability to write clean, maintainable, and efficient code following best practices.
- Experience in writing unit tests for code to ensure reliability and maintainability
Location: Bengaluru
Experience Required: 2+ Year
Employment Type: Full-time
About the Role
We are looking for a passionate and motivated ** Software Engineer** with hands-on experience in the Software development (MongoDB, Express.js, React.js, Node.js,sql)**. The ideal candidate should have strong coding skills, a good grasp of modern web development practices, and excellent communication and work ethics.
Key Responsibilities
- Develop and maintain scalable web applications using the (javascript,MongoDB, Express.js, React.js, Node.js,sql)
- Collaborate with cross-functional teams to define, design, and ship new features
- Write clean, efficient, and well-documented code
- Debug and resolve technical issues across the stack
- Participate in code reviews and contribute to team knowledge sharing
- Stay up to date with industry trends and emerging technologies
Required Skills & Qualifications
- 2+ year of professional experience as a Software Developer
- Proficiency in JavaScript, ES6+, and TypeScript (optional but a plus)
- Solid understanding of MongoDB, Express.js, React.js, and Node.js
- Experience with RESTful APIs and third-party integrations
- Familiarity with version control systems like Git
- Strong problem-solving and debugging skills
- Good communication skills and a team-player mindset
- Strong sense of ownership and work ethics
Preferred Skills
- Experience with cloud platforms like AWS, GCP, or Azure
- Familiarity with CI/CD pipelines and DevOps practices
- Exposure to testing frameworks like Jest, Mocha, or Cypress
-Prior experience working in a fintech company is a strong advantage.
How to Apply ?
Fill in the form below or
You can directly walk-in to our office in Bangalore
Date: 29-03-2025
Time: 10 Am to 12 Pm
Form link: https://forms.gle/PMJMUvz48pTPZeUu5
Location: Paywize Technologies Pvt. Ltd.
M.R Complex, 7th Cross, 6th Main Rd, BTM 2nd Stage, Bengaluru, Karnataka 560076
Join us and be part of the fintech revolution!
• Overall 4+ years of experience
• 2 year development experience in NodeJs(v4 and above)
• Knowledge in Unit testing frameworks like Mocha
• Experience in working with any NodeJs web framework(Express or Hapi)
• Development experience using any persistent store (NoSql or Relational) Formal Deliverables
• Design and development of new and enhance existing applications using Node.JS
• Collaborate with internal and external team members to ensure projects get delivered as planned
• Develop Backend services using HapiJs
• Develop background workers based on cron or rabbitmq messages
• Support existing and new features via bug fixes, prod support or monitoring scripts
• Unit testing for all the developed modules
- 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.
Node.js Developer Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
6-8 yrs experience
Fully Remote position
Max compensation - 45 LPA per annum (Full in hand)
Key Responsibilities
- Design, implement and maintain software to the demanding standards of a real time, highly concurrent distributed system.
- Working in conjunction with the rest of the development team, you will architect and build highly performant, scalable and extensible external APIs
- Collaborate with customers and internal stakeholders, at all levels, to continuously improve our product in a measured data-driven approach
- Learn quickly, adapt, and invent based on changing company needs and priorities
- Contribute to code reviews, tech talks, innovation drives and patents
Minimum Qualifications
- Excellent problem solving skills
- Bachelors in a computer science or other equivalent field
- Proficiency in deploying production systems using a major programming language like Java, Python, NodeJS or similar
- Excellent command over object oriented design and system design
- Experience building distributed systems and scaling them with high availability
- Ability to exercise autonomy rather than needing detailed direction and proactively get things done
Preferred Qualifications
- Experience in customer facing software development
- Proficiency building unit and performance tests to ensure reliability and scalability
- Experience in Artificial Intelligence, Machine Learning (ML) models, Natural Language Processing or Deep Learning is a plus
- Experience with cloud infrastructure such as AWS, GCP is a plus
Why work with us
- A small collaborative and excited team
- We value autonomy, allowing you to choose the configuration that makes you most productive
- Able to work remotely anywhere in Indian Standard Time
- Continuous learning and up-skill opportunities
- We love ideas, innovation and experiments!
- Competitive salary
Architects are responsible for driving Technology & Best Practices in Engineering. We are a rapidly growing & constantly improving organisation. We seek very high levels of ownership in all individuals, especially leadership roles like this - Ownership of your team, your product. Going beyond your role & contributing to make the organisation & business better is an expectation.
Responsibilities:
- Actively participate in development along with team members for as much as 50% of their time, creating modules & systems that can then be treated as a working reflection of the best practices.
- Participating in code reviews, design reviews, architecture discussions.
- Being responsible for Scaling, Performance & Quality for the team
- Setting up best practices to help the team achieve the above and constantly thinking about improving the technology use are your responsibilities.
- Driving the adoption of these best practices around coding, design, quality, performance in your team and influence them for the entire organisation are also expectations from you.
- Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself on the impact you are able to create
- Collaborate with Product Management and Product Development leaders in developing product visions and strategies.
- Define & drive implementation of long term technology vision for your product & team
- You will be the primary owner of the architecture of your product and will also be responsible for getting it reviewed, and making sure the system is built accordingly.
- Be an evangelist for technology & represent in external forums.
- Creating architectures & designs for new solutions around existing and new problem spaces
- Drive technology & tool choices for your team & be responsible for them.
Requirements:
- Quick & Excellent Problem solving skills for complex & large scale problems
- Exposure to a wide variety of problem spaces, technologies
- Very Strong System design and OO skills with a nifty ability to craft clean interfaces and operate at the right levels of abstraction
- Solid coding skills with ability to drive teams through massive refactoring exercise & improve coding standards across large code bases
- Deep knowledge, understanding & experience of working with a large variety of multi-tier architectures.
- Awareness of pitfalls & use cases for a large variety of solutions
- Deep understanding & experience of high performance web scale & real-time response systems with experience & expertise in a variety of large scale persistent systems including large databases
- Exposure to complete product development cycles - From inception to production to scaling up, supporting new requirements, re-architectures the Principle architects should have seen it all and ideally in multiple cycles.
- Should have been part of scalable product development cycles with either large data handling or large transaction processing exposure for 5 years
- Must have worked in a small setup (either a startup or a small & reasonably independent team)
- 8+ years of overall experience
- B Tech or higher in Computer Science or equivalent required
Experience: 2 - 5 years
Talents from Product/eComm/Internet firms Only
Key Skills: Spring boot, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr, Design Patterns, Java, Distributed systems, AWS
Looking for team members passionate about building platforms for next billion users and re-imagine the e-commerce for mobile-first users. You will be building solutions for personalization, logistics, search & discovery, payments, fraud prevention, and scalability that works and solve problems elegantly
Responsibilities:
• Develop server-side components, REST APIs
• Assume ownership for existing and new modules including design, development, and unit testing for enhancements of existing modules and development of new modules.
• Analyse problems logically and exercise sound judgment in defining, evaluating, and solving difficult technical and operational problems where solutions may be of a precedent-establishing nature.
• Lead the design and architectural improvements
• Participate and collaborate with team members in design discussions, determines areas of complexity, potential risks to successful implementation, suggest enhancements to architecture, implement POCs, and enhance application.
• Reduce technical debt with quality coding
Requirements:
• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field) from IITs and Premier Engineering College.
• Excellent Object Orientation, coupled with excellent problem solving and debugging skills.
• Highly skilled at Java and related technologies, including Java Frameworks like Spring-boot or Drop wizard, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr.
• Must have hands-on experience in building scalable and secure back end systems.
• Have hands-on experience with systems that are asynchronous, RESTful and demand concurrency
• Good to have knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, deployment.
• Experience level: 2-5 years of software development experience in Java with web architecture and scalable design
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Past experience in NodeJs, Redux and other advanced JavaScript libraries and frameworks.
- Hands-on experience in NodeJS, Javascript, ECMAScript (OOJS) and JSX.
- Knowledge of SPAs and build tools like Npm, Webpack, Grunt, Bower etc
- Should have good knowledge of Mobile friendly web application development
- Proficient understanding of web markup, including HTML5, CSS3, Bootstrap, Flexbox.
- Should have the knowledge of Good understanding of asynchronous request handling, partial page updates, and AJAX framework.
- Familiarity with RESTful APIs
- Hands-on experience in server-side CSS pre-processing platforms, such as SASS or LESS
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git, Github
Responsibilities :
- Perform all aspects of the software development such as requirements and specifications, design and development, coding and debugging.
- Should be able to come up with strategies to speed up the iterative process of software development.
- Analyse and enhance efficiency, stability, and scalability of system resources
High Level JD:
* Experience in MVC, C#, http://asp.net/" target="_blank">ASP.NET, .NET Framework,Jquery, Javascript and HTML design.
* Experience with Elastic(Logstash, Elastic Search, Kibana )
* Strong understanding of Elasticsearch index configuration options.
* The elasticsearch work requires refactoring involving search engine understanding
* Database - Oracle, SQL Server
* Familiarity with architecture styles/APIs (REST)
* Understanding of Agile methodologies
* Excellent troubleshooting and communication skills
* Delivering a high-quality application
* Write clean, scalable code using .NET programming languages
* Revise, update, refactor and debug code
* Improve and support existing software









