Hiring-Java Spring Freelance Consultant (WFH-Remote)
Greetings from Deltacubes Technology!!
Skillset Required:
Stream api
Functional Programing
Microservice
Experience:
7+years
Thanks
Bavithra

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Position : Full Stack Developer (Node.js + React.js)
Experience : 5+ Years
Location : Gurgaon (Work From Office - 5 Days)
Notice Period : Immediate or within 7 days
Job Description :
We are looking for a highly skilled and passionate Full Stack Developer with strong experience in Node.js and React.js, and a solid understanding of Microservices Architecture.
This is a full-time, on-site opportunity based in Gurgaon, ideal for someone who thrives in a fast-paced development environment.
Mandatory Skills :
Node.js, React.js, JavaScript (ES6+), RESTful APIs, Microservices Architecture, MongoDB/PostgreSQL, Git, HTML5, CSS3, JWT
Key Responsibilities :
- Design, develop, test, and maintain scalable web applications using Node.js (backend) and React.js (frontend).
- Build and integrate RESTful APIs and Microservices in a production-grade environment.
- Participate in code reviews, architecture discussions, and performance optimizations.
- Collaborate with cross-functional teams including UI/UX designers, QA, DevOps, and product managers.
- Write clean, maintainable, and reusable code adhering to best practices.
- Ensure system reliability, security, scalability, and performance.
- Debug and resolve production issues efficiently.
Must-Have Skills :
- 5+ Years of full-stack development experience with Node.js and React.js.
- Strong expertise in JavaScript, ES6+, HTML5, CSS3, and responsive design.
- Solid hands-on experience in Microservices Architecture and containerized services (Docker, Kubernetes is a plus).
- Proficiency in RESTful API development and integration.
- Experience with databases such as MongoDB, PostgreSQL, or MySQL.
- Familiarity with version control tools like Git and CI/CD pipelines.
- Understanding of Agile/Scrum methodologies.
Good to Have :
- Knowledge of authentication/authorization mechanisms (OAuth, JWT).
- Exposure to cloud platforms like AWS, Azure, or GCP.
- Familiarity with testing frameworks such as Jest, Mocha, or Cypress.
Skills
· Proven experience as a Technology Lead or Senior Developer with strong hands-on expertise in Java Spring Boot, Tomcat, MySQL, RESTful and SOAP APIs, ORM frameworks, Redis, JavaScript, and AngularJS/ReactJS.
· Solid understanding of application architecture, security principles, design patterns, and industry best practices.
· Demonstrated capability to lead and mentor development teams through the design, development, testing, and deployment of web applications using Java Spring Boot and related technologies.
· Excellent problem-solving and analytical skills, with a strong ability to troubleshoot, diagnose, and resolve technical issues to ensure application stability and performance.
Responsibilities
· Design and implement high-level and low-level architectures for complex software systems.
· Collaborate closely with cross-functional teams and Business Analysts to understand business needs and translate them into effective technical solutions.
· Enforce software development best practices, including code reviews, performance optimizations, and quality assurance standards.
· Lead and manage a team of developers, providing technical guidance and ensuring timely delivery of high-quality solutions.

Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Outcomes:
Interpret the application/feature/component design to develop the same in accordance with specifications.
Code debug test document and communicate product/component/feature development stages.
Validate results with user representatives; integrates and commissions the overall solution
Select appropriate technical options for development such as reusing improving or reconfiguration of existing components or creating own solutions
Optimises efficiency cost and quality.
Influence and improve customer satisfaction
Set FAST goals for self/team; provide feedback to FAST goals of team members
Measures of Outcomes:
Adherence to engineering process and standards (coding standards)
Adherence to project schedule / timelines
Number of technical issues uncovered during the execution of the project
Number of defects in the code
Number of defects post-delivery
Number of non compliance issues
On time completion of mandatory compliance trainings
Outputs Expected:
Code:
Code as per design
Follow coding standards
templates and checklists
Review code – for team and peers
Documentation:
Create/review templates
checklists
guidelines
standards for design/process/development
Create/review deliverable documents. Design documentation
r and requirements
test cases/results
Configure:
Define and govern configuration management plan
Ensure compliance from the team
Test:
Review and create unit test cases
scenarios and execution
Review test plan created by testing team
Provide clarifications to the testing team
Domain relevance:
Advise Software Developers on design and development of features and components with a deep understanding of the business problem being addressed for the client.
Learn more about the customer domain identifying opportunities to provide valuable addition to customers
Complete relevant domain certifications
Manage Project:
Manage delivery of modules and/or manage user stories
Manage Defects:
Perform defect RCA and mitigation
Identify defect trends and take proactive measures to improve quality
Estimate:
Create and provide input for effort estimation for projects
Manage knowledge:
Consume and contribute to project related documents
share point
libraries and client universities
Review the reusable documents created by the team
Release:
Execute and monitor release process
Design:
Contribute to creation of design (HLD
LLD
SAD)/architecture for Applications/Features/Business Components/Data Models
Interface with Customer:
Clarify requirements and provide guidance to development team
Present design options to customers
Conduct product demos
Manage Team:
Set FAST goals and provide feedback
Understand aspirations of team members and provide guidance opportunities etc
Ensure team is engaged in project
Certifications:
Take relevant domain/technology certification
Skill Examples:
Explain and communicate the design / development to the customer
Perform and evaluate test results against product specifications
Break down complex problems into logical components
Develop user interfaces business software components
Use data models
Estimate time and effort required for developing / debugging features / components
Perform and evaluate test in the customer or target environment
Make quick decisions on technical/project related challenges
Manage a Team mentor and handle people related issues in team
Maintain high motivation levels and positive dynamics in the team.
Interface with other teams designers and other parallel practices
Set goals for self and team. Provide feedback to team members
Create and articulate impactful technical presentations
Follow high level of business etiquette in emails and other business communication
Drive conference calls with customers addressing customer questions
Proactively ask for and offer help
Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
Build confidence with customers by meeting the deliverables on time with quality.
Estimate time and effort resources required for developing / debugging features / components
Make on appropriate utilization of Software / Hardware’s.
Strong analytical and problem-solving abilities
Knowledge Examples:
Appropriate software programs / modules
Functional and technical designing
Programming languages – proficient in multiple skill clusters
DBMS
Operating Systems and software platforms
Software Development Life Cycle
Agile – Scrum or Kanban Methods
Integrated development environment (IDE)
Rapid application development (RAD)
Modelling technology and languages
Interface definition languages (IDL)
Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
About the Role: We are looking for a Senior Software Developer with strong experience in .NET development and Microsoft Azure to help build and scale our next-generation FinTech platforms. You will work on secure, high-availability systems that power core financial services, collaborating with cross-functional teams to deliver features that directly impact our customers. You’ll play a key role in developing backend services, cloud integrations, and microservices that are performant, secure, and compliant with financial regulations. Key Responsibilities: Design, develop, and maintain backend services and APIs using C# and .NET Core. Build and deploy cloud-native applications on Microsoft Azure, leveraging services such as App Services, Azure Functions, Key Vault, Service Bus, and Azure SQL. Contribute to architecture decisions and write clean, maintainable, well-tested code. Participate in code reviews, technical planning, and sprint ceremonies in an Agile environment. Collaborate with QA, DevOps, Product, and Security teams to deliver robust, secure solutions. Ensure applications meet high standards of security, reliability, and scalability, especially in a regulated FinTech environment. Support and troubleshoot production issues and contribute to continuous improvement. Required Skills & Qualifications: 5–8 years of experience in software development, primarily with C# / .NET Core. Strong hands-on experience with Microsoft Azure, including Azure App Services, Azure Functions, Azure SQL, Key Vault, and Service Bus. Experience building RESTful APIs, microservices, and integrating with third-party services. Proficiency with Azure DevOps, Git, and CI/CD pipelines. Solid understanding of software design principles, object-oriented programming, and secure coding practices. Familiarity with Agile/Scrum development methodologies. Bachelor’s degree in Computer Science, Engineering, or a related field.
Skills: Dot Net, C#, Azure
Must-Haves
Net with Azure Developer -Required: Function app, Logic Apps, Event Grid, Service Bus, Durable Functions
Experience: 8-15 Years
Qualification: BE / B. Tech
Location: Pune, Remote
Technical Know -How: React.js/ReactJs, Java Spring Boot, Spring Framework, Java Spring developers, Rest API, Microservices, front end and Back-end technologies etc.
Key Responsibilities
- Work with team of Java & Springboot Developers in the design, development, and maintenance of applications.
- Work with business stakeholders and technical teams to gather and analyze requirements for Java & Springboot applications.
- Lead a team of developers in building scalable, secure, and high-performance applications using React and Spring Boot.
- Drive end-to-end ownership of application development including requirement analysis, design, coding, testing, and deployment.
- Collaborate with product owners, architects, and cross-functional teams to define and deliver high-quality solutions.
- Ensure adherence to coding standards, best practices, and agile development methodologies.
- Mentor and guide team members, conduct code reviews, and encourage technical excellence.
- Oversee application performance tuning, debugging, and troubleshooting in production and non-production environments.
- Participate in architectural discussions and contribute to technology roadmaps.
Required Skills & Experience
- Bachelor’s degree in computer science, computer engineering or similar.
- Excellent communication skills.
- Critical thinker and good problem-solver.
- 8–15 years of overall software development experience, with at least 3 + years in a lead/mentorship role.
- Strong proficiency in React.js, JavaScript/TypeScript, HTML5, CSS3, Redux, and related libraries/frameworks.
- Solid backend development experience using Spring Boot, Spring Security, REST APIs, and Microservices architecture.
- Strong understanding of Test Driven Development ( Junit)
- Write efficient and well-structured code to implement business logic and functionality on the Java platform.
- Perform unit testing and debugging to ensure the quality and reliability of developed applications.
- Maintain and enhance existing Java & Springboot applications by troubleshooting issues, implementing bug fixes, and optimizing performance.
- Strong understanding of RDBMS/NoSQL databases (e.g., MySQL, MongoDB / Azure Cosmos DB).
- Experience with cloud platforms (AWS / Azure / GCP) and containerization (Docker, Kubernetes).
- Proficiency in version control (Git), CI/CD pipelines, and DevOps practices.
- Strong problem-solving skills, debugging expertise, and performance optimization experience.
- Excellent communication and leadership skills with the ability to drive technical discussions
- Good knowledge of security best practices (OAuth2, JWT, SSO, etc.).
- Good to have experience with message brokers (Kafka, Azure Service Bus).
Role – Java Full-Stack Developer
Skills
- Professional experience (5-8Y) in commercial software or corporate application Backend and Frontend/UI development
- Strong experience in Typescript/ Javascript - Min 3Y
- Knowledge and experience in enterprise-scale, multi-tier, distributed architecture
- Solid experience in object-oriented design and development with languages such as Java 8.0 onwards
- Solid knowledge of high-scale, multi-tenant Web service development, including REST/JSON and Microserviceservice patterns
- Solid experience in Spring Boot
- Solid experience in Spring Data/JPA/Hibernate
- Exposure to multithreading and Junit is a must.
- Proficient in database concepts and working experience with Oracle Database
- Proficient in performance analysis and tuning
- Proficiency with agile development methodologies
- Excellent written and verbal communication skills
- Good analytical and problem-solving skills
- Strong and real production experience with Angular 8.0 onwards and its core principles – Min 3Y
- In-depth knowledge of HTML5, CSS3, SCSS, Angular Material UI web standards and how to apply them.
- Experience in responsive design using bootstrape or similar framework and progressive enhancement techniques
- Experience in developing reusable components in Angular
- Working knowledge of Forms-based Applications
- Integration experience with REST-based APIs
- Familiarity with modern front-end build pipelines and tools
- Experience with data structure libraries (e.g., Immutable.js)
- Ability to understand business requirements and translate them into technical requirements
- Proficiency with Git (Bitbucket, GitHub, Gitlab) is an advantage
- Proficiency with agile development methodologies
- Excellent written and verbal communication skills
- Good analytical and problem-solving skills
JD/Responsibility
- Developing new user-facing features using Angular 8.0
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Debugging/troubleshooting web applications
- Collaborate closely with groups in and outside the development team (eg. QA, Product Management, Tech Pub) to achieve well groomed, predictable results
- Analyze, design, develop and unit test software applications with high quality and on schedule, including business critical Web services to be consumed by internal/external applications.
- Analyzes, programs, and modifies software enhancements and/or new products used in local, networked, or Internet-related computer programs.
- Use modern technologies and apply industry-standard software development best practices.
- Collaborate closely with groups in and outside the development team (eg. QA, Product Management, Tech Pub) to achieve well-groomed, predictable results
- Flexible for Domestic travel based on project needs.
Experience: 5-7 Yrs
Location: Mumbai (onsite)
Notice Period: 30 days maximum
JOB TITLE- JAVA FULL STACK DEVELOPER
REQUIRED SKILLS
- Backend: Core Java, Spring Boot, Microservices, JPA, Hibernate, Data Structure and
Algorithms and Restful Web Services
- Front end: HTML, CSS, JavaScript, Vue.JS
- Database : MySQL
- Version Control Tool: Git
- Cloud Service: AWS
JOB DESCRIPTION
Commercial experience using the Full stack Java Development
Should be strong on basics of core Java - Basic Oops concepts, String,
Collections, Exceptions, Interface, Inheritance
Spring Family - Spring Boot, Spring Core
Experience in creating Microservice using REST & Spring Boot
Should be familiar with UI HTML, CSS, JavaScript, and Vue.Js
Frameworks.
Hands-on experience on Oracle or SQL Server database
Knowledgeable in AWS cloud.
Agile Experience: Should be able to understand Scrum ceremonies and able to
demonstrate experience in Agile
Job Description
Education Qualifications:
- B-Tech / B.E. from a reputed college / university
Competencies:
- Strong problem solving and analytical skills
- Good knowledge of Core Java, JSP and Servlet
- Fluency in programming constructs
- Good expertise in working with databases and Query language.
- Mature, thoughtful, and a natural fit for a collaborative, team-oriented culture
- Hard-working and eager to learn in a fast-paced, innovative environment
- Spring Boot & Microservices architecture
- Strong foundation and expert knowledge in the area of Core Java and J2EE standards.
- Sprint IOC & Spring MVC
Preferred Skills (good to have):
- Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
- Proficiency with JavaScript and HTML5
- Creating custom, general use modules and components which extend the elements and modules of core AngularJS
- Experience in using build tools like Maven
- Knowledge of AngularJS practices and commonly used modules based on extensive work experience
- Creating configuration, build, and test scripts for continuous integration environments.
Must skills:
Hands- on in the following:
- Java 8/J2EE
- Spring boot
- Gradle/Maven
- REST API
- ORM- hibernate/ JPA
- Unit Testing and Integration Testing- Junit/ TestNG
Good to have:
Hands-on in the following:
- CI/CD pipeline deployment
- Messaging- ActiveMQ/RabbitMQ/MQ
- DB2
- Kafka
- NoSQL framework exposure
Experience in Java (2+ years)
- Experience in SprintBoot(2+years)
- Good Knowledge of Microservice Concept
- Framework: Springboot, Spring Security, JAX-RS, Hystrix, Kafka
- ORM: Spring Data JPA. Hibernate
- Cloud Service: AWS(MSK, S3), Serverless lambda Functions
- Build tools: Maven, Gradle








