Java Developer

Role: Sr. Java Developer

Exp: 5-7 Years

CTC: up to 30 LPA

Location: Bangalore

Roles and Responsibilities:

• Requirement Analysis, Design and develop, build and maintain modular widgets, custom
• interfaces and middleware components using technologies mentioned.
• Only candidates with motivation to do hands on development and troubleshooting, are
• Willing to help team members when they are stuck, and are willing to work for a technology oriented firm should apply.
• Candidates with experience in technologies like J2EE, spring, Hibernate and java related technologies should apply.
• Ability to design and code using open-source technologies and frameworks.

Looking candidates from Banking or Payment Domain

Job Description

We are looking for a hands-on Tech Lead – Java with strong software engineering fundamentals, a deep understanding of Java-based backend systems, and proven experience leading agile teams. This role involves a balance of individual contribution and technical leadership — mentoring developers, designing scalable architectures, and driving the success of product delivery in fast-paced environments.

Key Responsibilities

• Lead the end-to-end design, development, and deployment of Java-based applications and RESTful APIs.
• Collaborate with product managers and architects to define technical solutions and translate business requirements into scalable software.
• Guide and mentor team members in best coding practices, design patterns, and architectural decisions.
• Drive code reviews, technical discussions, and ensure high code quality and performance standards.
• Troubleshoot critical production issues and implement long-term fixes and improvements.
• Advocate for continuous improvement in tools, processes, and systems across the engineering team.
• Stay up to date with modern technologies and recommend their adoption where appropriate.

Required Skills

• 5+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
• Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
• Proven experience leading a team of engineers or taking ownership of modules/projects.
• Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
• Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication and leadership skills.

About HummingWave

HummingWave is a leading IT product development company specializing in building full-scale application systems with robust cloud backends, sleek mobile/web frontends, and seamless enterprise integrations. With 50+ digital products delivered across domains for clients in the US, Europe, and Asia-Pacific, we are a team of highly skilled engineers committed to technical excellence and innovation.

Thanks

About the Role 

As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives. 

Responsibilities 

•  Designing, developing and maintaining core system features, services and engines
• Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of a conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
• Ensure the developed backend infrastructure is optimized for scale and responsiveness 
• Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project. 
• Introducing new ideas, products, features by keeping track of the latest developments and industry trends 
• Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules

Requirements 

• Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)  
• Proficiency in working on Linux based Operating system. 
• Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus 
• Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java). 
• Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks. 
• Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc. 
• Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.  
• Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming). 
• Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
• Experience developing cloud software services and an understanding of design for scalability, performance and reliability
• Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads. 
• Proficiency is concepts of monolithic and microservice architectural paradigms. 
• Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.   
• Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb 
• Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus 
• Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus 
• Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus 
• Proficiency in functional programming ( Scala ) languages is an added plus 
• Proficiency in working with NoSQL/graph databases is an added plus 
• Proficient understanding of code versioning tools, such as Git is an added plus 
• Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus 
• Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus 
• Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus  
• Working Knowledge of container orchestration platform like Kubernetes is an added plus 

Location: Mumbai, Maharashtra, India

Desired Experience: 3+ years

Roles and Responsibilities :

We are seeking an experienced Java Engineer to join our team. The ideal candidate will be responsible for designing and developing scalable applications using Java and related frameworks.

Core Accountabilities:

• Design and develop high-quality Java applications using best practices and design patterns Write clean, maintainable, and testable code using Java and related frameworks
• Collaborate with cross-functional teams to develop and deploy applications
• Develop and maintain continuous integration and continuous deployment pipelines using Git and related tools
• Troubleshoot and debug applications in production and development environments
• Stay up-to-date with emerging trends and technologies in software engineering and Java development

Experience required :

• Bachelor's degree in Computer Science or a related field
• 3+ years of experience in developing applications using Java and related frameworks
• Strong experience in Core Java, Spring Framework, Hibernate, and related Java frameworks
• Experience in working with Git for version control and collaboration.

Additional optional requirements

• Knowledge of AWS services
• Experience in working with NoSQL databases such as MongoDB and Cassandra
• Experience in other programming languages such as Python and Node.js

Skills required :

• Excellent problem-solving skills and ability to work in a fast-paced environment Strong communication and collaboration skills

Responsibilities

• Use your skills in OOP, OOAD, and testing to design and develop robust and scalable software.
• Work in a fast-paced environment with a focus on writing production-quality code and tests.
• Maintain minimal yet essential engineering documentation to complement the product.
• Collaborate with engineers and product teams as part of Agile delivery.
• Participate in code reviews and release cycles with an ownership attitude.

Requirements

• Strong at problem-solving using Java 8 and above.
• General 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.
• 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.

• A minimum of 3 years experience as a Technical Lead in Java., Strong experience in design and implementation of high performing and highly scalable websites/applications
• Strong experience in Spring MVC framework and experience in design patterns, unit testing etc..
• Strong experience in AWS services such as EC2, Lambda, S3, ECS, API Gateway and using tools such as Terraform, Ansible
• Strong experience in Endeca, ATG and BCC, Solr, any Headless CMS
• Considerable experience in databases such as SQL Server/Mongo DB is an added advantage
• Good experience in JavaScript frameworks such as Angular/React/VueJS is an added advantage
• Experience in Adobe AEM is an added advantage
• Creative problem-solving skills and ability to effectively communicate and translate feedback, needs and solutions
• Excellent verbal and written communication skills required

• Provide strategic thinking and leadership pertaining in cloud technologies and building scalable websites
• Provide technical leadership and guidance internally to the team and externally to management
• Communicate effectively across all levels of the organization
• Collaborate within and across teams with strong teamwork orientation
• Help maintain a culture of high quality
• Showcasing excellent work ethic and strong sense of ownership of end result
• Understand the structured software development methodologies including design, development and testing in an Agile environment
• Follow all security practices and identify areas and processes where performance and scalability can be improved
• Make and justify recommendations for improvement., Participate in development of solutions in cases of new technology direction and/or proof of concepts
• Should translate business needs into technical solutions with Strong analytical, conceptual and technical skills
• Support the evaluation, selection, design, development and maintenance of the platforms.

Responsibilities:

• Develop back-end server that includes business logic linked to various data storage solutions including database.
• Design back-end server system by using technology appropriate for server environment.
• Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.

Requirements:

• Excellent Programming Skills.
• Strong problem-solving abilities.
• Analytical skills, and troubleshooting.
• Good understanding of algorithms, data structures, and performance optimization methods.
• Hands-on with Design, Coding, Debugging, and Testing.
• Excellent Communication & Interpersonal Skills, Team Player.

Programming Skills:

• C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
• Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
• Fast Data Processing - Storm - Rules Engine - Drools.

We are a Fintech Start up targeting to capture $ 900 BN consumer payment &lending opportunity. We are building platform of the future in which the offline / online merchants would be able to expand their consumer base. We also empower merchants to collect payment digitally and help build their identity through our offerings.

Consumers would be able to make their purchase decisions and would get the options to convert their purchases in to easy EMIs

• Developing front end website architecture
• Designing user interactions on web pages
• Developing back end website applications
• Creating servers and databases for functionality
• Ensuring cross-platform optimization for mobile phones
• Ensuring responsiveness of applications
• Working alongside graphic designers for web design features
• Seeing through a project from conception to finished product
• Designing and developing APIs
• Meeting both technical and consumer needs
• Staying abreast of developments in web applications and programming languages.

• Java 8 and above
• Experiencein databases Mongodb, MySQL, SQL Oracle etc.
• Working knowledge in IOC Container / Spring boot& ORM, Spring Security, AOP JMS.
• Experience in Microservices, Eureka, Zuul, Ribbon would be an added advantage.
• Experience with build tools like Ant, Gradle or Maven and troubleshoot build issues.
• Should have exposure to GIT, Jira etc..
• Develops resealable frameworks/components and POCs based on Product Architecture RoadMap.
• Uses best practices during web services implementations and works with the REST
• Strong analytic problem-solving skills.
• Proactive work ethic.