Node.js, MongoDB, Redis, ElasticSearch.

About InstaSolv
About
Connect with the team
Similar jobs
Position : Software Engineer (Java Backend Engineer)
Experience : 4+ Years
📍 Location : Bangalore, India (Hybrid)
Mandatory Skills : Java 8+ (Advanced Features), Spring Boot, Apache Spark (Spark Streaming), SQL & Cosmos DB, Git, Maven, CI/CD (Jenkins, GitHub), Azure Cloud, Agile Scrum.
About the Role :
We are seeking a highly skilled Backend Engineer with expertise in Java, Spark, and microservices architecture to join our dynamic team. The ideal candidate will have a strong background in object-oriented programming, experience with Spark Streaming, and a deep understanding of distributed systems and cloud technologies.
Key Responsibilities :
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot and Java 8+.
- Implement and optimize Spark Streaming applications for real-time data processing.
- Utilize advanced Java 8 features, including:
- Functional interfaces & Lambda expressions
- Streams and Parallel Streams
- Completable Futures & Concurrency API improvements
- Enhanced Collections APIs
- Work with relational (SQL) and NoSQL (Cosmos DB) databases, ensuring efficient data modeling and retrieval.
- Develop and manage CI/CD pipelines using Jenkins, GitHub, and related automation tools.
- Collaborate with cross-functional teams, including Product, Business, and Automation, to deliver end-to-end product features.
- Ensure adherence to Agile Scrum practices and participate in code reviews to maintain high-quality standards.
- Deploy and manage applications in Azure Cloud environments.
Minimum Qualifications:
- BS/MS in Computer Science or a related field.
- 4+ Years of experience developing backend applications with Spring Boot and Java 8+.
- 3+ Years of hands-on experience with Git for version control.
- Strong understanding of software design patterns and distributed computing principles.
- Experience with Maven for building and deploying artifacts.
- Proven ability to work in Agile Scrum environments with a collaborative team mindset.
- Prior experience with Azure Cloud Technologies.
A backend developer is an engineer who can handle all the work of databases, servers,
systems engineering, and clients. Depending on the project, what customers need may
be a mobile stack, a Web stack, or a native application stack.
You will be responsible for:
Build reusable code and libraries for future use.
Own & build new modules/features end-to-end independently.
Collaborate with other team members and stakeholders.
Required Skills :
Thorough understanding of Node.js and Typescript.
Excellence in at least one framework like strongloop loopback, express.js, sail.js, etc.
Basic architectural understanding of modern day web applications
Diligence for coding standards
Must be good with git and git workflow
Experience of external integrations is a plus
Working knowledge of AWS or GCP or Azure - Expertise with linux based systems
Experience with CI/CD tools like jenkins is a plus.
Experience with testing and automation frameworks.
Extensive understanding of RDBMS systems
You will be working on:
- As a senior backend engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members
- Ensuring timely delivery of all product deliverables
- Play a key role in technical discussions within the team and be the go-to person for the team for guidance and troubleshooting
- Understand key Business and Engineering metrics around performance, quality, and availability and work regularly with the team to push the boundaries and improve them periodically
- Proactively participate in code reviews and architecture and design discussions
- Mentoring junior engineers and setting best practices for coding, code reviews, etc.
- Help the organization in building a top-quality team by participating in hiring initiatives and evangelizing about contributions, accomplishments, and victories
We are looking for:
- Strong and self-motivated individuals, should be able to independently drive decisions
- Solid experience in building web-based products
- Overall of 4+ years of expertise in at least one dynamic programming language and one MVC web framework, preferably Ruby on Rails
- Expertise in Database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries
- Expertise in all common Cloud technologies, preferably AWS. Knowledge of CI/CD tools and workflows
- Proven track record in building highly-available and scalable distributed systems
- Willingness to play and explore with new technologies and be a Subject Matter Expert and support them
- Someone who believes in small incremental improvements and is passionate about refactoring
- A keen eye for quality with regards to following and establishing good coding practices, improving code coverage
- Good stakeholder management, ability to build trust and rapport with internal and external stakeholders
Experience: 5-10 Years
Location - Bangalore
Role- Technology analyst- Java developer
Notice period- (Strictly 0-30 Days only)
Infomatics Corp has been a leader in providing exceptional services to both corporate and government clients for over 15 years. We are recognized for our commitment to excellence and security, holding prestigious certifications such as ISO 9001, ISO 27001, and ISO 20000. With offices in the United States and India, we operate on a global scale, offering in-demand IT solutions and the flexibility to scale operations according to client needs
We are looking for ambitious Technology Analyst
Good Java Developer who can Design the applications, Develop using J2EE best practices and test
About the Role-
Thinking big and executing beyond what is expected. The challenges cut across algorithmic problem solving, systems engineering, machine learning and infrastructure at a massive scale.
Reason to Join-
An opportunity for innovators, problem solvers & learners. Working will be Innovative, empowering, rewarding & fun. Amazing Office, competitive pay along with excellent benefits package.
Requiremets and Responsibilities- (please read carefully before applying)
- The overall experience of 3-6 years in Java/Python Framework and Machine Learning.
- Develop Web Services, REST, XSD, XML technologies, Java, Python, AWS, API.
- Experience on Elastic Search or SOLR or Lucene -Search Engine, Text Mining, Indexing.
- Experience in highly scalable tools like Kafka, Spark, Aerospike, etc.
- Hands on experience in Design, Architecture, Implementation, Performance & Scalability, and Distributed Systems.
- Design, implement, and deploy highly scalable and reliable systems.
- Troubleshoot Solr indexing process and querying engine.
- Bachelors or Masters in Computer Science from Tier 1 Institutions
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.
As one of our Backend Software Engineers, you will be part of the team responsible for the development of all server-side logic, the definition and maintenance of the database, and ensuring high performance and responsiveness to requests from the front-end developers.
What will you be engaged in?
Collaborate with key internal stakeholders to determine how to scalable design backend systems and APIs to meet their needs
Architect, develop and operate services deployed to millions of users
Collaborate with the DevOps team for the necessary infrastructure needed for services to run on the cloud platform
Write backend services and Restful APIs
Be in charge of data migration, transformation, and scripting
Write reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, scalability, and performant applications
Implement security and data protection
Manage web apps that impact millions of users
What do we expect from you?
3 + years of experience building large-scale backend systems
Knowledge of MVC concepts
Knowledge of web applications systems
A good understanding of data pipelines, data lakes, and data ingestion is Plus
Strong understanding of Database management (MSSQL, SQL)
Strong understanding of NoSQL Database (MongoDB)
Strong understanding of RESTful API
Understanding of JavaScript and Typescripts
Understanding of Node.js frameworks and Nest JS Framework
Passion for building high performance, high throughput, low latency frameworks
Problem-solving mindset
Understanding of GIT Source code
Good at JavaScript and passionate about solving challenges using JavaScript.
Good Understanding of Pub/SUB (Kafka, RabbitMQ etc.)
Fintech Industry experience is plus
Job Description:
- Excellent troubleshooting and communication skills
- Participate in requirements analysis and give estimates for development.
- Collaborate with internal teams to produce software design and architecture
- Client handling experience
- Write clean, scalable code using .NET programming languages
- Test and deploy applications and systems
- Revise, update, refactor and debug code
- Improve existing software
- Ability to work as a team player also as an individual contributor.
- Understanding of Scrum, Agile and Agile processes.
Required Knowledge, Skills, and Abilities:
- 3+ years of C#, .Net core, ASP.NET MVC professional development experience
- Candidate should have hands-on with Logic App, Function App, Azure Function
- Working experience on SQL Server and No SQL Database
- Experience in ORM like LINQ & Entity Framework
- Knowledge of the NoSQL Database will be a great advantage.
- Great analytical skills and logical reasoning.
- Thorough understanding of object-oriented programming concepts, and data structures.
- Experience designing and consuming REST APIs
- Experience in JavaScript, jQuery or related frameworks.
- Knowledge of Code Repository systems including GIT, Github & SVN
- Should have strong practical knowledge of API Management Services (APIM)
- Good to have: Angular JS, React JS or any other frameworks.
Tools : Visual Studio ,Visual studio code ,SQL server management studio, swagger and postman tool
Educational Qualification: BE, MCA OR Msc IT
Responsibilities:
- Develop, record and maintain cutting edge web-based Node Js applications on service platforms.
- Building resilient Rest APIs microservice architecture.
- Use test-driven development and acceptance tests to ensure feature quality.
- Coordinate with co-developers and keep project manager well informed of the status of development effort and serve as the liaison between development staff and project manager
- Keep abreast of new trends and best practices in development.
Skills Required:
Ms-SQL, MongoDB, AWS services (S3 Batch, Lambda, Fargate), Nest Js, Express Js, Typescript.
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
- 2+ years of experience with Node.js/Express.js or similar framework
- 1+ years of experience with MongoDB
- 1+ years of experience creating REST APIs and backend systems
- Experience with Docker is a plus
- 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
- Server Setup/AWS/GCP experience is a plus
- Creating APIs and backend systems
- Scraping sites and creating backend dashboards for data management
- Backend infrastructure management and deployment
Responsibilities:
- 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.
Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years of experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.










