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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ROLES AND RESPONSIBILITIES:
We are looking for a Software Engineering Manager to lead a high-performing team focused on building scalable, secure, and intelligent enterprise software. The ideal candidate is a strong technologist who enjoys coding, mentoring, and driving high-quality software delivery in a fast-paced startup environment.
KEY RESPONSIBILITIES:
- Lead and mentor a team of software engineers across backend, frontend, and integration areas.
- Drive architectural design, technical reviews, and ensure scalability and reliability.
- Collaborate with Product, Design, and DevOps teams to deliver high-quality releases on time.
- Establish best practices in agile development, testing automation, and CI/CD pipelines.
- Build reusable frameworks for low-code app development and AI-driven workflows.
- Hire, coach, and develop engineers to strengthen technical capabilities and team culture.
IDEAL CANDIDATE:
- B.Tech/B.E. in Computer Science from a Tier-1 Engineering College.
- 3+ years of professional experience as a software engineer, with at least 1 year mentoring or managing engineers.
- Strong expertise in backend development (Java / Node.js / Go / Python) and familiarity with frontend frameworks (React / Angular / Vue).
- Solid understanding of microservices, APIs, and cloud architectures (AWS/GCP/Azure).
- Experience with Docker, Kubernetes, and CI/CD pipelines.
- Excellent communication and problem-solving skills.
PREFERRED QUALIFICATIONS:
- Experience building or scaling SaaS or platform-based products.
- Exposure to GenAI/LLM, data pipelines, or workflow automation tools.
- Prior experience in a startup or high-growth product environment.
R360 powers a data-driven customer engagement ecosystem that enables the world’s leading organisations to earn customer loyalty every day.
For over 10 years, R360’s loyalty and reward platforms have driven ambitious loyalty programs for some of the world’s biggest brands – including Axis Bank, Standard Chartered Bank, HDFC Bank and Emirates National Dubai Bank. We have 500+ global retail partnerships and offer our clients reward programs, nuanced customer segmentation, data-centric campaigns, and big data analytics.
Our multidisciplinary team of technology experts, product engineers, data scientists, client relationship managers and customer experience professionals work together with our clients to enable loyalty by enhancing customer acquisition, engagement and retention.
Currently we are looking for a “Full Stack Developer” with an expertise in Java software development and proficient in React to join the software engineering team for our BFSI clients. The candidate will develop new application features and maintain existing ones. This position requires experience in making decisions and working both independently and as part of a small, dynamic team where everything the candidate does makes a difference.
What you’ll do:
· Work as full stack developer with prime focus on backend
· Responsible for handling and overseeing the End-to-end development from designing to development.
· Produce reusable, testable, and efficient code
· Troubleshoot critical issues and guide team as well.
· Support & Nurture other developers providing advice, coaching along with Design and code review of Peers
· Integrate data storage solutions and ensure application performance, quality, and responsiveness
· Collaborate with a team to define, design, and ship new features
· Identify and correct bottlenecks as well as fix bugs
· Exhibit excellent communications skills and engage in technical discussions with peers becoming a trusted, technical advisor.
What we’ll need:
Mandatory skills:
· Strong communication and Articulative skills.
· University degree or equivalent educational experience (optimally a technical or engineering degree)
· 6+ years of software development experience in Java/J2EE using RESTful web services, Microservices and Spring boot
· 3+yrs of hands on experience in Angular/React technologies
· Strong Data structures & algorithm skills along with Design skills
· Ability to manage multiple priorities and projects simultaneously
· Understanding of Agile methodologies
· Willingness to take ownership and find ways to unblock oneself.
· Trustworthy, team oriented and transparent
Technical Skills:
· Core Java (Collection, multi-threading, design patterns)
· Frameworks - Hibernate, Spring, REST Jersey
· Front end technologies – Java Script, jQuery, Angular, Reactjs
· Database – SQL & NoSQL
· Modelling – UML & ERD
About us:
Zemoso Technologies is a Software Product Market Fit Studio that brings silicon valley style rapid prototyping and rapid application builds to Entrepreneurs and Corporate innovation. We offer Innovation as a service and work on ideas from scratch and take it to the Product Market Fit stage using Design Thinking->Lean Execution->Agile Methodology.
We were featured as one of Deloitte Fastest 50 growing tech companies from India thrice (2016, 2018 and 2019). We were also featured in Deloitte Technology Fast 500 Asia Pacific both in 2016 and 2018.
We are located in Hyderabad, India, and Dallas, US. We have recently incorporated another office in Waterloo, Canada.
Our founders have had past successes - founded a decision management company acquired by SAP AG (now part of Hana Big data stack & NetWeaver BPM), early engineering team of Zoho (leading billion $ SaaS player) & some Private Equity experience. Marquee customers along with some exciting start-ups are part of our clientele.
What You will do:
● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.
● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and have a positive impact on the industry.
Basic Qualifications:
● Experience: 4+ years.
● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.
● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)
● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.
● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.
Nice to have Qualifications:
● Product and customer-centric mindset.
● Great OO skills, including design patterns.
● Experience with devops, continuous integration & deployment. ● Exposure to big data technologies, Machine Learning and NLP will be a plus.
Benefits:
● Competitive salary.
● Work from anywhere.
● Learning and gaining experience rapidly.
● Reimbursement for basic working set up at home.
● Insurance (including a top up insurance for COVID).
Location:
Remote - work from anywhere.
Job Description
Desired Skills: Oops, Core Java/J2EE, Collections, Exception Handling, Multi-Threading, JDBC.
Key skills:
- Should have good knowledge on object-oriented design, good adaptive skills.
- Good knowledge in designing and developing applications using Java EE platforms
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
What You'll Do
- As an early member of our engineering team, you will work directly with the CTO and Head of Product to spec, design, and build the core product functionality
- Help us build out a reliable team in India that knows our tech stack and is passionate about the work that we do.
- Motivate and lead a team of software developers to reach and exceed company goals.
- Solve problems you don't know how to solve: You'll encounter challenges we haven't yet come across yet. And when the time comes, you'll think through problems, evaluate approaches and teach yourself whatever is needed.
- Lay a solid foundation for the product to scale, keep our technical debt in check and help us hire a team of incredible engineers.
What We're Looking For
- 6+ years of experience as a software engineer
- 1+ years of experience leading projects or teams of engineers
- Hustle & Grit. Willingness and desire to take on personal responsibility for the business as a whole and “figure it out”, whether it’s in your exact functional lane or not.
- Excitement and passion for expanding financial access to healthcare.
- Experience with Java, a relational database, React (or a comparable front-end framework) and building full-stack web apps.
- A great understanding of how Restful services and Gradle works
- Ability to overlap with EST morning hours
- Our full tech stack includes: Docker, Spring, Gradle, Hibernate, ExpressJS, NextJS, Amazon Web Services, Java, N8N, Python
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· Participate in the full development life cycle, working within broadly defined parameters ·Own the delivery of an entire piece of a system or application ·Management and execution against project plans and delivery commitments · Work closely with development manager, tech leads, Scrum master and Product owner to develop the best technical design and approach for new product development · Builds software solutions where the problem is not well defined. Designs and defines the interaction between the other component pieces · Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts. · Self-directed and capable of working effectively in a highly innovative and fast-paced environment. · Writing high quality code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high quality documentation supporting the design/coding tasks · Work with a highly multi-disciplinary team spread across multiple continents to drive technology changes and analytical findings · Self-motivated person on software development and code writing, should adopt the technology changes
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Relevant job experience: |
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· 3 – 6 years of experience in software development · BS or MS in Computer Science or in a relevant Engineering discipline · Computer Science fundamentals in object-oriented design · Computer Science fundamentals in data structures · Computer Science fundamentals in algorithm design, problem solving, and complexity analysis · Strong technical experience with object oriented design (Java, JavaScript related technologies) and RDBMS; however this role appreciates NoSQL technologies exposure. · Working experience in Object Oriented JavaScript (OOJS) frameworks such as Angular, Node etc will be a plus, however core OOJS is expected. · Good knowledge of Data structures, Algorithms and distributed system design. ·Good knowledge on Deployment structures of the developing modules and Cloud based deployment precisely. · Good experience on any web framework with stringent security norms : Spring or equivalents · Good working experience in any ORM (Object Relational Mapping) frameworks ·Thorough working experience in one or more Web and Application Servers. Consistent track record and experience leading creation of complex software systems that have been successfully delivered to customers ·Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Experience in communicating with users, other technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy Will have experience designing and supporting large-scale distributed systems in a production environment · Ideal candidates will show excellent debugging and troubleshooting skills, with an enthusiastic attitude to support and resolve customer problems. |
Responsibilities
- Understand both functional and non-functional requirements and translate them into tasks that can be worked upon individually or in a team.
- Use your skills in programming and system design to develop robust and scalable software.
- Perform POCs and build solutions that require integration with other systems.
- Provide estimations for a Sprint or Tasks, and share inputs in design and architectural choices.
- Work in a fast-paced environment and contribute to all phases of SDLC.
- Maintain minimal yet essential engineering documentation to complement the product.
- Collaborate with engineers, product, and business teams as part of Agile delivery.
- Perform code reviews and provide guidance to the team in building software and following the defined process.
- Carry an ownership attitude when working on any solution.
Requirements
- Strong at problem-solving using Java 8 and above.
- Good understanding of SDLC using agile methodologies iterative development.
- Basic skills in HTML, CSS, and JavaScript are desired.
- Hands-on knowledge of using Spring Boot or Quarkus for building Microservices or API driven solutions.
- Good knowledge of SQL and experience in using any RDBMS like MySQL, PostgreSQL.
- Understanding or exposure to Cloud-Native development using AWS is an added advantage.
- Any experience in working on projects built using Microservice architecture, esp if using React and Java with Docker is an added advantage.
Position – Principal Architect
Location – Bangalore/Mumbai/Remote
About Us
upGrad is an online education platform building the careers of tomorrow by offering the most industry-relevant programs in an immersive learning experience. Our mission is to create a new digital-first learning experience to deliver tangible career impact to individuals at scale. upGrad currently offers programs in Data Science, Machine Learning, Product Management, Digital Marketing, and Entrepreneurship, etc.
upGrad is looking for people passionate about management and education to help design learning programs for working professionals to stay sharp and stay relevant and help build the careers of tomorrow.
- upGrad was awarded the https://iamaiida.in/index.php">Best Tech for Education by IAMAI for 2018-19
- upGrad was also ranked as one of the https://www.linkedin.com/pulse/linkedin-top-startups-2018-25-most-sought-after-india-linkedin/">LinkedIn Top Startups 2018: The 25 most sought-after startups in India
- upGrad was earlier selected as one of the https://www.fastcompany.com/most-innovative-companies/2017/sectors/india">top ten most innovative companies in India by FastCompany.
- We were also https://www.ft.com/content/9150579a-f24c-11e6-95ee-f14e55513608">covered by the Financial Times along with other disruptors in Ed-Tech
- upGrad is the https://yourstory.com/2017/01/startup-india-learning-program-offers-free-online-entrepreneurship-course/">official education partner for Government of India - Startup India program
- Our program with IIIT B has been ranked https://www.analyticsindiamag.com/top-10-courses-and-training-programs-on-artificial-intelligence-in-india-ranking-2018/">#1 program in the country in the domain of Artificial Intelligence and Machine Learning
About the Role
A highly motivated individual who has experience in architecting end to end web based ecommerce/online/SaaS products and systems; bringing them to production quickly and with high quality. Able to understand expected business results and map architecture to drive business forward. Passionate about building world class solutions.
Role and Responsibilities
- Work with Product Managers and Business to understand business/product requirements and vision.
- Provide a clear architectural vision in line with business and product vision.
- Lead a team of architects, developers, and data engineers to provide platform services to other engineering teams.
- Provide architectural oversight to engineering teams across the organization.
- Hands on design and development of platform services and features owned by self - this is a hands-on coding role.
- Define guidelines for best practices covering design, unit testing, secure coding etc.
- Ensure quality by reviewing design, code, test plans, load test plans etc. as appropriate.
- Work closely with the QA and Support teams to track quality and proactively identify improvement opportunities.
- Work closely with DevOps and IT to ensure highly secure and cost optimized operations in the cloud.
- Grow technical skills in the team - identify skill gaps with plans to address them, participate in hiring, mentor other architects and engineers.
- Support other engineers in resolving complex technical issues as a go-to person.
Skills/Experience
- 12+ years of experience in design and development of ecommerce scale systems and highly scalable SaaS or enterprise products.
- Extensive experience in developing extensible and scalable web applications with
- Java, Spring Boot, Go
- Web Services - REST, OAuth, OData
- Database/Caching - MySQL, Cassandra, MongoDB, Memcached/Redis
- Queue/Broker services - RabbitMQ/Kafka
- Microservices architecture via Docker on AWS or Azure.
- Experience with web front end technologies - HTML5, CSS3, JavaScript libraries and frameworks such as jQuery, AngularJS, React, Vue.js, Bootstrap etc.
- Extensive experience with cloud based architectures and how to optimize design for cost.
- Expert level understanding of secure application design practices and a working understanding of cloud infrastructure security.
- Experience with CI/CD processes and design for testability.
- Experience working with big data technologies such as Spark/Storm/Hadoop/Data Lake Architectures is a big plus.
- Action and result-oriented problem-solver who works well both independently and as part of a team; able to foster and develop others' ideas as well as his/her own.
- Ability to organize, prioritize and schedule a high workload and multiple parallel projects efficiently.
- Excellent verbal and written communication with stakeholders in a matrixed environment.
- Long term experience with at least one product from inception to completion and evolution of the product over multiple years.
Qualification
B.Tech/MCA (IT/Computer Science) from a premier institution (IIT/NIT/BITS) and/or a US Master's degree in Computer Science.
Years of Exp – 14+
- Full Stack developer (Java/JavaScript): (experience 3 to 6 years)
- Experience in designing multithreaded/concurrent/distributed systems.
- Experience in Java/Kotlin or JavaScript is required (3+ years).
- Experience in working on scalable non-blocking server side frameworks like Spring stack(2+ years)
- Experience with both SQL and NoSQL databases, Message brokers. ex: Postgres/MySQL, MongoDB/DynamoDB/Redis/Neo4j, Kafka (2 +years)
- Experience in Front end language and frameworks. JavaScript, must be an expert in one of the front end frameworks (ex: React) (2+)
- Understand cloud technologies and should have deployed applications or products in popular cloud platforms like AWS, GCP, MS Azure, etc (2+ years).
Optional:
- Experience with BigData is a big plus
- Knowledge of functional programming principles is a plus.
- Experience in HTML5 and CSS3








