
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 2.5 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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JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 5-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
About Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com
Requirements
- Extensive and expert programming experience in at least one general programming language (e. g. Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.
- Experience with multi-threading and concurrency programming.
- Extensive experience in object-oriented design skills, knowledge of design patterns, and a huge passion and ability to design intuitive modules and class-level interfaces.
- Excellent coding skills - should be able to convert the design into code fluently.
- Knowledge of Test Driven Development. Good understanding of databases (e. g. MySQL) and NoSQL (e. g. HBase, Elasticsearch, Aerospike etc).
- Strong desire to solve complex and interesting real-world problems.
- Experience with full life cycle development in any programming language on a Linux platform. Go-getter attitude that reflects in energy and intent behind assigned tasks.
- Worked in a startup-like environment with high levels of ownership and commitment.
- BTech, MTech or Ph. D. in Computer Science or related technical discipline (or equivalent).
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amounts of data.
- 3+ years of experience in the art of writing code and solving problems on a large scale.
- An open communicator who shares thoughts and opinions frequently listens intently and takes constructive feedback
Backend Developer2-3 years
Node.js+MOngoDb Backend Developer
Develop,Debug Deploy..All Individually!
Product Based Companies
Individual Backend-COntributors
WOrked and Designed Scalable Micro Service Architecture
Worked and Deployed on AWS ,Google Cloud Functions
Socket Programming is added advantage
Experience in FIntech COmpanies preferred
Overview:
We are seeking an experienced Node.js developer with a passion for esports to join our team. The ideal candidate will have a strong track record of building and maintaining web applications using Node.js and a proven ability to work effectively in a team environment. Experience in the esports industry is a plus.
Responsibilities:
- Develop and maintain web applications using Node.js and related technologies
- Write clean, maintainable, and efficient code
- Collaborate with the design and product management teams to implement new features and functionality
- Work with the DevOps team to ensure proper deployment and monitoring of applications
- Troubleshoot and debug issues as they arise
- Write and maintain comprehensive documentation
Requirements:
- Strong professional experience with JavaScript and Node.js
- Experience with building and deploying web applications
- Familiarity with web development frameworks such as Express or Koa
- Experience with Git and version control
- Strong problem-solving and communication skills
Preferred:
- Experience in the esports industry
- Experience with cloud technologies such as AWS or Azure
- Familiarity with front-end development technologies such as HTML, CSS, and React
- Experience with data persistence technologies such as MongoDB or MySQL
- Experience with testing frameworks such as Jest or Mocha
· 3+ years of Java backed application development and implementation experience.
· Minimum of one year of experience in Cloud, AWS Engineering & Development .
· Demonstrated knowledge of Distributed and Scalable systems.
· Experience on AWS Services is a big plus, such as EC2, ECS, ECR, Lambda, Elastic Cache, API Gateway.
· Knowledge about API design standards, patterns and best-practices especially Swagger and OpenAPI 3.0, REST, SOAP, MQ, JSON, Microservices etc.
· Java Microservices, RESTful Web Services.
· Spring Boot, Spring Cloud, Hibernate.
· JMS, queues, JBoss/Wildfly.
· Tools - JUnit, Easymock, Mockito, Docker, Kubernetes, Teraform.
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
**We are hiring**
SURVEYSENSUM is looking for a Backend Engineer.
We're looking to expand our https://www.linkedin.com/feed/hashtag/?keywords=gurugramteam&highlightedUpdateUrns=urn%3Ali%3Aactivity%3A6930462908086644736">#gurugramTeam.
Requirement: 3 positions
Experience :- 1-3 years
CTC :- 5 to 14 LPA
Skills :- C#/Java, http://asp.net/">ASP.net, .Netcore .Net, MySQL
● 1-3 Years of Software Development experience.
● Experience in identityserver4
● Experience in oAuth2.
● Experience in developing Apps using third party APIs, for example slack, facebook.
● Proven experience in ASP.NETcore Web API applications
● Proven experience with software design and OOD methodologies.
● Familiarity with relational databases and SQL.
● BS degree in computer science & Engineering or equivalent.
● Experience with web services development (REST)
● Strong in object-oriented programming, Design patterns and solid principles.
Should you/someone in your network fits the bill, plz reach out to me on Linkedin Meenakshi Vaidwan
- Building reusable code and libraries for future use
- Participating in all phases of the development and maintenance lifecycle, focusing on speed and efficiency
- Planning and implementing model data structures for scalability
- Working on the maintenance or enhancement of existing data structures
- Designing REST APIs which will be used by multiple clients
What you need to have:
- B.E./ B.Tech/ MCA
- Have experience of building large scale & complex systems with low latency and high availability.
- Have strong experience of working with design patterns & REST APIs.
- Have strong experience of working with Go routines.
- Knowledge of static code analysis tools.
- Must have strong experience with Build and Release management, Agile processes and Estimations.
- Strong understanding of implementing server-side code and designing the data architecture using modern web frameworks.
- Strong understanding of designing database schema.
- Should know about micro-services.
- Writing highly optimised code on server.
- Should be a fast learner and go-getter without any fear of failing.
- Willingness to learn new technologies.
- Experience with popular Golang frameworks like Revel.
- Know how of HTML / PHP.














