
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.

About Recro
About
Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.
We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.
On the other hand, startups get instant access to top-quality developers with guaranteed productivity from the very beginning. We help them to scale up/down based on their needs, thus ensuring an efficient and high-yielding workforce.
Developers solve real-time complex problems and get exposure to the uplifting and challenging work culture at start-ups like Flipkart, Dunzo, Swiggy, and Zivame among many others. At Recro, we ensure continuous support from our strong community to accelerate careers for developers and strive to create optimal business outcomes for high-growth startups.
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About the role:
We are seeking a highly motivated Principal Engineer with expertise in building scalable, extensible customer payment solutions, identifying and addressing performance bottlenecks, collaborating with other team members across teams to innovate current/new products; Identify, communicate and implement best practices for the engineering team. Our engineering process is fully agile and has a really fast release cycle - which keeps our environment very energetic and fun.
What you will do:
- Architect, design and lead the development of key software infrastructure, systems, tools and processes, ensuring high scalability and performance.
- Collaborate with the product and other stakeholders across the company to solidify/ negotiate requirements and feasibility.
- Identify, influence and participate in making technical decisions that have a positive impact on engineering and business as a whole.
- Problem-solving that involves complex interactions, constraints imposed by systems, processes, people and physical goods.
- Drive automated solutions that enable better efficiency and process improvement
- Identify and address performance bottlenecks, collaborate with other team members across functions to innovate/improve current/new products by suggesting improvements to the software system.
- Identify, communicate and implement best practices for the engineering team.
- You will advocate for good, clean, well documented and performing code; follow standards and best practices.
- As a Principal Engineer, you will be additionally responsible for planning and timelines of all projects in your domain
We would love for you to have:
- Education: Bachelors/Masters in Computer Science
- Experience: 7-10 yrs recent hands-on experience of working on scalable systems and a diverse set of products/systems.
- Experience with Java stack. Hands-on experience with development and troubleshooting of services.
- Experience with SQL and NoSQL databases and Hadoop stack.
- Experience in System Design of complex Supply-Chain e-commerce systems, Algorithm design and their optimization is a huge plus.
- Strong working knowledge of any REST-based framework, OOPS, Design Patterns
- Expert level experience in building fault-tolerant and scalable platforms.
- Excellent problem-solving skills
- Strong verbal and written (technical) communication and able to work across teams like Business, Product, Engineering, Analytics, App Engineering seamlessly.
- Ability to deliver great results in an agile development
- Exposure to open-source libraries and frameworks.
- Experience with the full software development lifecycle, design, develop, review, debug, document, and deliver (especially in a multi-location organization).
- Ability and experience in the evaluation and integration of third-party systems and libraries and independent completion of POC. Prior experience in integrating with 3rd party Payment solution (like Stripe) is a plus.
- Passion for performance benchmarking and debugging
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.
- Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.
- Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.
- To know more visit https://elocitytech.com/" target="_blank">https://elocitytech.com/
- Responsibilities:
- Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.
- Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
- Create low-level design of modules of a software application through proper documentation and diagrams.
- Develops software solutions by studying requirements, clarifying customer/user needs, analysing data and processes and following established software development practices and processes.
- Develops proof of concepts for technical evaluation and early customer feedback
- Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications
- Networks with internal and external personnel in own area of expertise.
Skills:
- Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.
- Experience in Debugging/troubleshooting TypeScript code.
- Experience in API development (REST/GraphQL etc)
- Experience in development of Web and Mobile(android/iOS) applications
- Exposure of Parallel and Asynchronous programming
- Experience in writing Unit tests (Jest or any similar framework)
- Should be proficient in relational Database concepts (Postgres etc.)
- Knowledge of Non-relational Databases would be a plus.
- Good Understanding of Object-Oriented Programming Concepts.
- Good Understanding of Design Patterns.
- Good command of Data structures, Algorithms and Complexity.
- Good at problem solving and analytical skills.
- Experience with Source Code Versioning systems (Git etc)
- Understanding of Micro services Architecture would be a plus has context menu
Node JS Developer
Position Type: Full time
Job Description:
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Primary focus will be the development of all server-side logic, definition and maintenance of the databases, and ensuring high performance and responsiveness to requests from the front-end. Will also be responsible for integrating the front-end elements built by the UI team into the application. Therefore, a basic understanding of front-end technologies is a bonus.
Responsibilities:
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions
Skills and Qualifications:
- Strong proficiency with JavaScript
- Knowledge of Node.js and frameworks available for it such as Express
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Understanding security compliance
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding of Relational Databases
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- 8-15 years relevant progressive experience.
We are looking for a highly capable Node.js developer to optimize our mobile-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Roles and Responsibilities
- Actively participate in the overall application lifecycle.
- Focus on coding and debugging.
- Collaborate with front-end developers.
- Define and communicate technical and design requirements.
- Build a high-quality reusable code that can be used in the future.
- Create sustainable and functional web applications with clean codes.
- Learn about new technologies and stay up to date with current best practices.
- Conduct UI tests and optimize performance.
- Train, help, and support to other team members.
Requirements
- Hands-on backend mobile app/web development experience
- At least four years' experience as a Node.js developer.
- Hands-on experience of working on MongoDB database
- Knowledgeable of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
- Good understanding of server-side CSS pre-processors
- Proven experience creating user authentication and authorization between multiple systems, servers, and environments
- Capability to integrate multiple data sources and databases into one system
- Proven experience managing of hosting environment, that includes database administration and scaling an application to support load changes
- Ability to setup, administer of backups, data migration, transformation, and scripting.
- Knowledgeable of OWASP security principles
- Understands “session management” in a server environment
- Tech/M.Tech in Computer Science or a related field
At Rizzle, we are building the World's #1 Short Videos Platform and are working towards building a team that is
deeply motivated to make that happen. Rizzle is a community for people to talk, react, perform, or create a new
show. Talk about life, relationships, ideas big and small, anything at all - Rizzle is the short video platform you've
been waiting for!
We're passionate about connecting people in interactive ways, the way life should be. We're obsessed about
building positive communities and providing people the right tools to keep interactions positive and are dual-
homed in San Francisco and Hyderabad (India).
Responsibilities:
• Work on an agile engineering team writing maintainable and scalable code for software components and
influencing team decisions.
• Collaborate with stakeholders to imagine, design, develop, test, and launch software.
• Capable of independently clarifying technical requirements, assessing development estimates and
applying a broad range of design approaches.
• Review code of other team members and provide constructive direction.
• Drive continuous improvement of software quality and maintainability of products/features.
• Continuous learning of technology trends, tools, and approaches, including sharing this knowledge with
your team.
• Mentor and lead developers by cultivating curiosity and deep technical understanding.
Requirements:
• Experience contributing to the architecture and design (architecture, design patterns, reliability and
scaling) of new and current systems
• A Bachelor's degree in Computer Science or equivalent combination of technical education and work
experience;
• 3 to 6 years of Software Development experience;
• Experience designing highly interactive web applications with performance, scalability, accessibility,
usability, design, and security in mind. If you don't have all of these, that's ok.
• Strong coding skills
• Solid software development background including design patterns, data structures, test driven
development.
• Experience with distributed systems, algorithms, and relational and no-sql databases.
• Familiar with building complex web applications.
• Software development experience in building highly scalable applications.
• Any previous experience in working with Node.js, Redis, FFMPEG, MongoDB, ElasticSearch, Cassandra,
Kafka or AWS is a plus.
Why choose Us?
• Enjoy a start-up culture where you learn and grow along with the organization. We know when to
work hard and play hard!
• We value your time-off, so we have an unlimited leavespolicy
• We also keep you covered in terms of a health insurance
• You wear what you are most comfortable in (Yes! You heard it right); lunch is on us (Everyday!) and
you also enjoy the liberty to choose your workinghours
Join us if you want to work with a flat and collaborative team and contribute to learnings of the team. We want to
learn from you too!
What you can expect in the interview process:
• Initial screening with HR
• Technical Interview I
• Technical Interview II
• HR Discussion
Requirements
- 2-5 years of experience as a back-end developer
- Expertise with Java 1.8 and React JS
- Understanding of OOPS concepts, Design Principles, and implementations of different types of Design Patterns.
- Should have a strong acumen in Data Structures, Algorithms, problem-solving.
- Experience in Microservices
- Extensive experience in developing Web Services APIs using RESTful API design
- Comfortable writing Unit Test Cases
- Good to have experience/knowledge of
- Docker,
- Scala,
- Python, and
- AWS and other Cloud platforms
- Able to connect the dots between code and business value
Responsibilities
- Engage in high-level conversations about business strategy and the role tech plays in it
- Write well-designed, testable, and efficient code that powers our application
- Write specs and do planning for everything we build
- Conduct application analysis, testing, and debugging
- Diligently document code to keep it clean and transparent
- Ensure cross-browser and device compatibility
You Are
- You believe it’s always on you to make sure anything you do is a success.
- You have the ability to make quick and effective decisions.
- In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
- Open to change. You’re inspired by the endless ways in which everything we do can always be improved.

We are hiring for Python Developer for one of the leading company in Cloud & Blockchain communication
Job Description
• Develop new API features and maintain existing features
• Write reusable microservices and libraries for future use
• Optimize backend services for scalability
• Build products for our customers on top of our APIs
• Build internal tools and automate repetitive operations
Desired Profile
Education: B.tech/ B.E./ MCA
Exp- 2-5 Years (preferably in Product based company)
• Good understanding of various backend components and microservice architecture
• Good understanding of at least one SQL and Non-SQL datastore
• Strong understanding of data structures and algorithms
• Basic understanding of frontend web technologies like ajax
• Proficient understanding of Git and version control
• Familiarity with a Unix-like operating system is a must
• Being fluent with either Go or Python would be a plus
• Familiarity with docker and kubernetes would be a plus
• Contribution to opensource projects would
Tech9 India is looking for a mid-senior software engineer who is an expert with Nodejs and MongoDB. This is a great opportunity to work with a company that has a primary focus of making our customers happy by delivering value, without all the burdensome policies and rules that have become typical for outsourced software development companies.
If you are looking for a change this is what we can promise you:
- You will have challenging problems to solve
- You will have flexibility and autonomy to solve problems and deliver solutions
- We will provide a highly collaborative environment with skilled and super friendly teammates
- We will fully support you in developing software the right way
- We won't burden you with useless policies and procedures
- We will provide you the tools you need to do your job right
If this sounds attractive please apply! We'd love to talk to you!
Responsibilities:
- Work with cross-functional teams, using agile practices, write, debug and deliver code
- Produce solid, thoroughly tested features
Requirements:
- Mid level roles require at least 3 years of experience in Nodejs senior roles require at least 4 years of experience with Node.
- At least 3 years of experience developing in HTML and CSS
- Strong verbal and written communication skills
- Experience working with product managers and scrum teams to effectively translate business requirements into workflows
- Demonstrated ability to remove problems and overcome roadblocks
- Cloud platform experience
- Hands-on experience with APIs, microservices
- Multiple years of experience delivery solutions through an Agile delivery methodology
- Ability to understand complex systems and solve challenging analytical problems
- Ability to leverage multiple tools and programming languages to analyze and manipulate data sets from disparate data sources
- Strong problem solving skills and critical thinking ability
Node.js and frameworks available for it - Express, StrongLoop, etc
Understanding the nature of asynchronous programming and its quirks and workarounds
Integration of user-facing elements developed by front-end developers
front-end technologies - HTML5, and CSS3
Writing scalable, reusable, testable, and efficient code











