
We are looking for a highly skilled Java Backend Developer with 4–6 years of hands-on experience in designing and implementing scalable backend systems. The ideal candidate should be proficient in both SQL and NoSQL databases, experienced in building microservices using Spring Boot, and have a solid grasp of multithreading and concurrency in Java.
Key Responsibilities:
- Design, develop, test, and maintain robust and scalable backend services and APIs using Java and Spring Boot.
- Build solutions based on microservices architecture ensuring high performance and reliability.
- Work with SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra) databases.
- Optimize application performance through multithreading and concurrency management.
- Collaborate closely with frontend developers, DevOps, and QA teams to ensure smooth integration and deployment.
- Write clean, maintainable, and well-documented code following best practices.
- Participate in code reviews and provide constructive feedback to team members.
- Troubleshoot and resolve issues across development, testing, and production environments.
Required Skillset:
- 5–8 years of professional experience in backend development using Java.
- Strong hands-on expertise with Spring Boot and microservices architecture.
- Proficiency in working with both SQL and NoSQL databases.
- Solid understanding of multithreading, concurrency, and performance optimization techniques.
- Good grasp of RESTful API design and implementation.
- Experience with version control systems like Git.
- Familiarity with CI/CD pipelines, Docker, and Kubernetes is a plus.
- Strong analytical and problem-solving skills.

About CoffeeBeans
About
CoffeeBeans Consulting is a technology partner dedicated to driving business transformation. With deep expertise in Cloud, Data, MLOPs, AI, Infrastructure services, Application modernization services, Blockchain, and Big Data, we help organizations tackle complex challenges and seize growth opportunities in today’s fast-paced digital landscape. We’re more than just a tech service provider; we're a catalyst for meaningful change
Tech stack
Candid answers by the company
CoffeeBeans Consulting, founded in 2017, is a high-end technology consulting firm that helps businesses build better products and improve delivery quality through a mix of engineering, product, and process expertise. They work across domains to deliver scalable backend systems, data engineering pipelines, and AI-driven solutions, often using modern stacks like Java, Spring Boot, Python, Spark, Snowflake, Azure, and AWS. With a strong focus on clean architecture, performance optimization, and practical problem-solving, CoffeeBeans partners with clients for both internal and external projects—driving meaningful business outcomes through tech excellence.
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● Care about things like fault tolerance, durability, backups and recovery,
performance, maintainability, code simplicity etc.
● Lead a team of software engineers and help create an environment of ownership
and learning.
● Introduce best practices of software development and ensure their adoption
across the team.
● Help set and maintain coding standards for the team.
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Job description for Backend Developer:
Responsibilities
• Hands-on experience in Springboot and good knowledge of MySQL, MongoDB
• Hands-on experience in building RESTful based APIs
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Integration of user-facing elements developed by front-end developers with server-side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability•
• Implementation of security and data protection
Skills And Qualifications
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Understanding accessibility and security compliance (Depending on a specific project)
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Outputting data in different formats
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient knowledge of a back-end programming language (Java 8 and above and Spring Boot)
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of OWASP security principles
• Understanding of “session management” in a distributed server environment
Required qualification:
*) Any degree from a reputed university
*) Proven software development experience and Java/J2EE skills development.
Job Description
Organizational Overview
It is a super app to digitize India’s 50M+ sales agents where they can get access to relevant products & services, receive training through interactive videos on “how to sell, what to sell and whom to sell”, and earn money. For businesses, we help them save a huge effort in managing and training these agents and help them increase their reach to every nook and corner of the country.
India is a trust deficit market which cannot be accessed through Internet Marketing on Facebook and Google as the majority of the customers need training, push, motivation and a primer on why and how to use a product.
To solve this problem, traditional industries like BFSI, Telecom, Automobile, Real Estate etc. use 50M+ frontline sales executives to drive distribution. We believe that not just for these traditional industries but also for emerging companies in FinTech, EdTech etc these agents will play a pivotal role in accessing trust deficit customers.
They have grown to a 100,000+ agent network across India (growing 50% MoM). One Code is funded by tier1 VC’s and angels in India.
Role Overview
Summary of Role
As a part of the consumer products software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will be responsible for defining and developing software for tasks associated with the developing, designing and debugging of the software applications.
Responsibilities:
- Overlook development of all consumer products in JAVA
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Continuously create new and interactive features that would help to improve user experience and user engagement.
- Assist with troubleshooting of issues as needed
- Lead the design and architecture of software solutions
- Assist in developing and maintaining continuous integration pipelines
Required Skills for this Role:
- JAVA
- Spring/Spring Boot
- Hibernate
- Linux
- REST
- Kafka
- Mysql
- AWS
- ELK Stack (Elasticsearch)
- CI/CD Pipelines
- Team Leadership experience of at least 3 year
Qualifications:
- 2+ years of experience in Java based technologies
- Experience in designing databases and system architecture
- Experience in building products from scratch at well funded start-ups
Salary Range: Best in industry
Why join us?
- You will get to work with an experienced team who has worked in multiple startups.
- Experimenting is the name of the game. And POCs are the snacks that fuel them.
- Grow with us. It is a family
- Gain exposure to two of the fastest growing markets in the world - South East Asia and Social Commerce
• Hands on experience in open source Technologies like java,j2ee, spring boot,spring mvc,mysql,jasper etc.
• Expertise in documentations like FRS,SRS,HLD,LLD, Traceability Matrix etc.
• Strong experience in application of UML, Design Patterns in design of solutions
• Strong Database skills including MySql etc.
• Must involved in at least one complete SDLC of a large size project
• Conversant with the latest technological developments including SOA and Agile
• Conversant with platforms, tools and frameworks used in application development
• Experience on the use of software development best practices, tools and technologies.
• Experience to Identify performance, reliability, security & integration bottlenecks and suggest recommendations.
• Expertise in REST API integration
2) Strong experience with Spring and Spring Boot, Spring MVC, Spring Data, Spring Security
3) Experience building REST and SOAP web services using Java, Micro Services
4) Experience with Web Services (JSON, REST, Spring based REST services)
5) Experience with Java and J2EE/Java EE (including servlets, JSP, JDBC)
6) Strong Core Java development
7) Experience with development tools like Eclipse, Git,.etc
8) Experience with web application servers like Tomcat
9) Experience in scripting and working in a Linux/Windows environment
● He/She is a responsive team player who can proactively contribute for building technical
strategies for applications and systems by promoting an understanding of the technology and
business roadmap.
● He /she is someone who thrives in a fun, fast-paced, dynamic, startup-like environment.
● Work very closely with various business stakeholders to drive the execution of multiple
business plans and technologies .
● Work closely with Product, Design, and Marketing to conceive features, plan projects, and
build roadmaps
● Prior experience with scalable Architecture managing team of minimum 5 engineers and
coaching, mentoring while maintaining a role with code development.
● Proven history of contributing to product strategy and shipping products with multi-functional
teams.
● Highly involved in recruitment while building team also leading app development for both
platforms
● Promote and support company policies, procedures, mission, values, and standards of ethics
and integrity.
Minimum Qualification:
● Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections,
popular frameworks & libraries}, JVM, GC tuning, performance tuning)
● Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST
Express etc
● Worked on Relational data stores viz. MySQL, Oracle or Postgres
● Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
● Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
● Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ et
MUST HAVE SKILLS
- CORE JAVA & SQL
Desired Skills
Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.
Job Responsibilities
Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing, System Testing, UAT, Demos, POCs, installation, maintenance of Software modules.
❑ Ensures the preparation of the following:
▪ Software prototype
▪ System Architecture
▪ Software Design Document
▪ User interfaces to be developed as per UX guidelines
▪ Code files ensuring coding guidelines followed
▪ Code review artefacts during peer code review
▪ Test plan and Test Cases
▪ Installation / Deployment document
▪ Release Document
▪ Technical Documentation
❑ Documents and demonstrates solutions by developing documentations, flowcharts, layouts, diagram, charts, code. comments and clear code; Ensuring that project task are completed in defined effort and timelines ❑ Prepares and installs solutions by determining and designing system specifications, standards & programming.
❑ Testing: Writing of test cases, unit testing, system testing, negative testing
❑ Trouble shooting: Log analysis and database query optimization
❑ Improves operations by conducting system's analysis.
❑ Updates job knowledge by studying state of the art development tools, programming techniques & computing equipment; participates in educational opportunities, reads professional publications & maintains personal networks.
❑ Protects operations by keeping information confidential.
❑ Provides information by collecting, analyzing and summarizing development and service issues. ❑ Develops software solution by studying information needs, conferring with users, studding system flow, data usage and work processes, investigating problem areas, following delivery cycle.
❑ Ensuring that the Newgen quality processes are in place and are followed.

