
Backend Developer - Java
at Cleanliness & Hygiene Intelligence company. SCL1
- 3 - 6 Years of Experience in Product Development - Experience in Java (8 or 11+), Spring (4+), Spring Boot (2.4+) is a must.
- Understands requirements well and comes up with an efficient design
- Develops complex, well-backed and bug-free products.
- Estimates accurately.
- Takes well-reasoned tech decisions keeping in mind goals and trade-offs
- Become a go-to person in more than one area.
- Provide technical mentoring to team
- Communicates clearly, gets clarifications, and establishes expectations for all parties
- Helps establish SDLC best practices and high standards of code quality
- Demonstrates excellent problem solving & debugging skills
- Proactively identifies and resolves issues in requirements, design, and code
Ideal Candidate Profile :
- Solid experience in Java, Spring Boot, hibernate is a must.
- Solid experience in Java Multithreading, Streams, and Lambda Functions is a must.
- Solid understanding of Apache Products.
- Should have experience in cloud computing (AWS is desired).
- Has an ability to quickly learn and contribute in multiple codebases
- Overcomes roadblocks and requires minimal oversight
- Takes initiatives to fix issues/tech debts before assigned to him/her
- Able to deep dive into the codebase and advise QA of possible regression impact
- Communicates tech decisions through design docs and tech talks
- Has delivered projects with end-to-end accountability
- Keeps track of industry trends and introduces the right tech/tools for a given job
- Excellent understanding of software engineering practices, design patterns, data structures, algorithms
- Experience in product driven organization

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Job Description:
- Experience in Core Java, Spring Boot.
- Experience in microservices.
- Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
- Good knowledge of multi-threading
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should be able 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.
This position is ideal for someone with a solid foundation in Java and Spring Boot, who has a deep understanding of modern software development practices and is eager to work in a fast-paced, collaborative environment.
Requirements:
- Strong Java Expertise: Write clean, maintainable, and well-documented code using Java, adhering to best practices and coding standards.
- Spring Boot & Microservices: Develop and maintain scalable, resilient microservices using the Spring Boot framework.
- Design Patterns: Apply design patterns effectively in solving software design challenges.
- Unit Testing & Mocking: Write comprehensive unit tests, utilize mocking frameworks, and ensure high test coverage for quality assurance.
- High-Performance Code: Write optimized, high-performance code with a focus on speed, efficiency, and scalability.
- Secure Coding Practices: Ensure all code is secure and compliant with best security practices to protect against vulnerabilities.
- AWS & Cloud-Native Development: Leverage AWS services for cloud-native application development, deployment, and maintenance.
- Relational Databases: Work with relational databases, including writing complex queries and optimizing database interactions.
- NoSQL Knowledge: Basic understanding or hands-on experience with NoSQL databases is a plus.
- Agile Development: Collaborate effectively within an Agile development environment, participating in code reviews, sprints, and daily standups.
- Continuous Integration/Continuous Deployment (CI/CD): Familiarity with CI/CD pipelines and related tools to streamline development and deployment processes.
- Problem-Solving: Demonstrate strong problem-solving skills, troubleshooting, and debugging abilities.
- Collaboration & Communication: Work closely with cross-functional teams, communicate effectively, and contribute to the overall success of the project.
Qualifications
- A minimum of 4+ years of experience with Java.
- BE/B.Tech in Computer Science or equivalent degree required.
- Strong understanding of Spring Boot and Microservices
- Strong Java Expertise
- Good problem-solving skills
- Sound knowledge of OOP principles and best practices.
About Klevu:
Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com
Experience: 5+ years
Location: Ahmedabad, Gujarat
Responsibilities:
- Build, scale and maintain various services on the Klevu platform
- Design and develop solutions for business needs on the Klevu platform
Must have skills:
- 4+ years on experience with Java
- Experience in Web application development on Spring framework
- Experience working with database technologies – RDBMS or NoSQL
- Ability to communicate effectively within and outside the engineering team
- Familiar with agile software development process
Nice to haves:
- Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
- Experience in UI Frameworks like Jquery, React, Angular or equivalent
- Experience in REST API development
- Experience in debugging issues and checking production logs
- Experience working in eCommerce and/or SAAS startups
- Experience working with microservices architecture
What we offer:
- Being part of one of the most exciting search technology company from Nordics with global footprints
- Work with a team in 3 continents (North America, Europe, Asia)
- Excellent work culture, hands-on, result oriented
- Good salary and flexible hours
● Design and deliver scalable web services, APIs, and backend data modules.
Understand requirements and develop reusable code using design patterns &
component architecture and write unit test cases.
● Collaborate with product management and engineering teams to elicit &
understand their requirements & challenges and develop potential solutions
● Stay current with the latest tools, technology ideas, and methodologies; share
knowledge by clearly articulating results and ideas to key decision-makers.
Requirements
● 3-6 years of strong experience in developing highly scalable backend and
middle tier. BS/MS in Computer Science or equivalent from premier institutes
Strong in problem-solving, data structures, and algorithm design. Strong
experience in system architecture, Web services development, highly scalable
distributed applications.
● Good in large data systems such as Hadoop, Map Reduce, NoSQL Cassandra, etc.. Fluency in Java, Spring, Hibernate, J2EE, REST Services Ability to deliver code
quickly from given scenarios in a fast-paced start-up environment.
● Attention to detail. Strong communication and collaboration skills.
Responsibilities
1. Collaborate with teammates to define, design, and shape new features.
2. Design and develop backend API microservices using Node.js.
3. Design and develop applications in an AWS and GCP environment.
4. Design and implement low-latency, high-availability, and performant applications.
5. Write reusable, testable, and efficient code.
6. Troubleshoot, debug, and upgrade the software.
Requirements
1. Solid experience in Node.js.
2. Good experience using frameworks such as Express.JS or Restify.
3. Willing to learn HapiJS.
4. Hands-on experience with JavaScript Development.
5. Able to work independently and carry out a task to achieve the design goal with minimal supervision.
6. Good programming skills and communications.




