Role & Responsibilities:
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Handle multiple products/modules simultaneously, lead the team in development and support
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Lead development teams
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Daily updates to customers and Product Managers/Delivery Managers
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Participate in design discussions
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Design and Architect small modules
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Effort estimations for modules, subsystems or use cases.
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Learn new skills and mentor the new team members
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Champion best practices within the team, including code reviews
Work Experience & Skills:
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B.E/B.Tech or any relevant Masters degree from reputed college.
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Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
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Strong experience in Postgres or any SQL technology
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Experience with working on Tomcat, Apache, JBoss or any similar application server
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Should have 3+ years of experience in leading team.
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Good experience in JSON / RESTful API / Web Services.
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Experience in working on Agile methodology using Scrum and sprints
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Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
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Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
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Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
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Experience in Microservices, SpringBoot and Angular is a plus.
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Experience with tuning deployed applications for scalability and performance.
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Good knowledge of deployment and scripting on Linux/Unix servers
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Strong technical documentation skills.
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Good oral and written communication skills

About Careator Technologies Pvt Ltd
About
Careator Technology is an end-to-end service provider for all your Application Development, Recruitment, and Staffing related requirements. Our primary competitive advantage is our ability to provide customized solutions that cover the whole process from beginning to finish. Careator maintains a broad variety of productive partnerships with organizations of the highest tier, and the firm ensures that each of its commercial associates is provided with an effective solution.
The founders of Careator understand that the combination of people and technology is essential to the success of a business. The company places a high premium on its employees and their relationships. This is reflected in the way that it creates its operational and strategic models, how it responds to consumers, how it connects with people, and how it promotes diversity in the workplace and the community.
Connect with the team
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Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 5 to 12 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
About the Role
We are seeking a passionate and skilled Java + Kotlin Developer to join our growing engineering team. You’ll be responsible for building scalable backend systems and modern Kotlin-based applications, with opportunities to work on both Android and server-side development.
What You'll Do
- Develop and maintain robust backend services using Java and Spring Boot
- Design and implement modern applications using Kotlin (Android or Multiplatform)
- Work on APIs, microservices, and system integrations
- Collaborate with cross-functional teams in an Agile environment
- Write clean, maintainable, and testable code
Key Requirements
- 3+ years of hands-on experience with Java and Kotlin
- Strong grasp of Spring Boot, REST APIs, and microservices architecture
- Experience with Android Development or Kotlin on JVM
- Familiar with Git, Gradle, and CI/CD tools
- Bonus: Experience with Jetpack Compose, Kotlin Coroutines, or Kotlin Multiplatform
Good to Have
- Familiarity with cloud platforms like AWS / GCP
- Knowledge of Docker, Kubernetes, or DevOps practices
- Previous experience in a startup or fast-paced product environment
PE Backend Developer
An opportunity to revolutionize the restaurant industry
Here, at Rebel Foods, we are using technology and automation to disrupt the traditional food industry. We are focused on building an operating system for Cloud Kitchens - using the most innovative technologies - to provide the best food experiences for our customers.
You will enjoy working with us, if:
- You are passionate about using technology to solve customer problems
- You are a software craftsman or craftswoman who is obsessed with high quality software
- You have a flair for good design and architecture
- You are unafraid of rearchitecting or refactoring code to improve it
- You are willing to dive deep to solve complex software issues
- You are a teacher and mentor
Our technology ecosystem:
- Languages: Java, Typescript, Javascript, Ruby
- Frameworks, environments: Spring Boot, NodeJS, ExpressJS
- Databases: AWS Aurora MySQL, MongoDB
- Cloud: AWS
- Microservices, Service Oriented Architecture, REST APIs, Caching, Messaging, Logging, Monitoring and Alerting
- CI/CD and DevOps
- Bitbucket, Jira
You will mostly spend time on the following:
- Leading the design and implementation of software systems
- Driving engineering initiatives across teams with a focus on quality, maintainability, availability, scalability, security, performance and stability
- Writing efficient, maintainable, scalable, high quality code
- Reviewing code and tests
- Refactoring and improving code
- Teaching and mentoring team members
We’re excited about you if you have:
- At least 8 years of experience in software development, including experience building microservices and distributed systems
- Excellent programming skills in one or more languages: Java, C#, C++, Typescript, Javascript, Python or Ruby
- Experience working in Cloud environments: AWS, Azure, GCP
- Experience building secure, configurable, observable services
- Excellent troubleshooting and problem-solving skills
- The ability to work in an Agile environment
- The ability to collaborate effectively within and across engineering, product and business teams
We value engineers who are:
- Crazy about customer experience
- Willing to challenge the status quo and innovate
- Obsessed with quality, performance and frugality
- Willing to take complete responsibility and ownership of results
- Team players, teachers, mentors
Job Details:
- Three plus years of experience in IT systems analysis and application program development
- Experience in an Object Oriented Programming language such as Java is a must
- The candidate must be a hands-on coder doing active development
- Extensive experience programming in Java Application Development & RESTful API
- Experience in AWS Cloud technologies is optional but good to have
- Proficient in Object-Oriented Programming (OOP) concepts, workflows, and design patterns
Job brief
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements and skills
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience (Microservices & Springboot)
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (Spring MVC)
- Experience with test-driven development

Requirement:
- Bachelor’s Degree or equivalent degree in computer science.
- Min 1 year of experience in Backend Development.
- Experience in Golang is a must.
- Experience in creating and dealing with REST API and socket technology.
- Working Knowledge of RabbitMQ and Kafka.
- Knowledge of both SQL and NoSQL databases, along with Redis and elastic search.
- Working knowledge of network communication, TCP, UDP, HTTP, etc
Roles and Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Write clean code to develop functional web applications.
- Troubleshoot and debug applications.
- Perform UI tests to optimize performance.
- Manage cutting-edge technologies to improve legacy applications.
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic.
- Gather and address technical and design requirements.
- Provide training and support to internal teams.
- Build reusable code and libraries for future use.
- Liaise with developers, designers, and system administrators to identify new features.
- Follow emerging technologies.
- Optimizing multiple producers and multiple consumer systems.
- Develop a Fault-tolerant application design.
Object oriented design patterns
Maven build process and how Maven works
Working knowledge and good proficiency in Git , Git repo , git bash and git commands
Programming logic and reasoning
Learnability
Immediate joinees would be preferred
JAVA spring boot, Micro services
Node JS
REST API consume and produce
Any DB SQL or NoSQL

Ability to understand C and C++ and re-write / rebuild applications and services in Java and .JSP JS Ability to understand C++ code at the minimum; but preference is to try get someone who had C++ hands on. Experience with microservices architecture design and implementation Ability to design; develop; and deploy applications and services in a containerized environment using Java; .JSP JS; XML; SQL; Custom Development Experience with databases - DB2; Oracle; MYSQL Experience working on UNIX environment Experience working on migrating applications / services (re-write and re-build) from legacy to cloud-based platforms Proven experience with application and platform modernization Ability to understand of High Availability Design and Architecture (including authorization; authentication ; vulnerability) Strong knowledge of test-driven development; automated testing; and proper test design. |
2. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving
3. Experience in Java Spring, Hibernate, Github. Spring boot optional

