
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. - 4 to 7 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 Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Title: Java Developer
Location: Mumbai
Job Type: Full-Time
Experience Level: 4- 8 years
Job Overview:
We are looking for a highly skilled Java Developer to join our development team. As a Java Developer, you will be responsible for designing, developing, and maintaining robust Java applications that meet high standards of performance and reliability. The ideal candidate will have strong analytical skills, excellent problem-solving capabilities, and a deep understanding of Java and its ecosystem.
Key Responsibilities:
- Design, develop, and maintain reliable Java applications.
- Collaborate with cross-functional teams to analyze requirements and translate them into technical solutions.
- Write clean, efficient, and scalable code.
- Develop and integrate APIs and web services.
- Conduct software analysis, testing, and debugging.
- Optimize application performance, scalability, and security.
- Participate in code reviews and contribute to best practices.
Required Skills:
- Proficiency in Java and Java EE (Enterprise Edition).
- Strong understanding of Object-Oriented Programming (OOP) concepts.
- Experience with Spring Framework (Spring Boot, Spring MVC) and Hibernate.
- Familiarity with RESTful API design and development.
- Knowledge of SQL and database management systems like MySQL, PostgreSQL, or Oracle.
- Experience with version control systems like Git.
- Familiarity with build tools like Maven or Gradle.
- Solid understanding of application security, data protection, and performance optimization.
software products.
● Degree in Computer Science, Maths, or equivalent.
● Experience with AWS or Google Cloud or Azure.
● Experience with RDBMS and NoSQL: MySQL/MariaDB or PostgreSQL,
DynamoDB or MongoDB.
● Fluent in common design patterns, modular architecture, microservices, and a
demonstrated web and polyglot development experience.
● Passionate about distributed computing and building applications that are
robust, scalable, and keep the customers happy.
● Proficiency in programming languages such as Java, Scala; a strong foundation
in data structures, algorithms, understanding of threads, synchronization, and
concurrent programming.
● Experience with deployment, configuration, automation tools, and DevOps
methodologies.
● Understanding of Internet security models, REST API, and application
integration.
● Good to have some understanding of Serverless.
Job Description :
We are looking for a Backend Developer to join our Software Development team in Gurgaon.
At Zunpulse, you can expect to design flexible and scalable solutions and work on complex
challenges by utilizing skills in data structures, algorithms, and object-oriented programming. You
will be part of the team that develops state-of-the-art products which aim at helping millions of
customers.
Job Description
- Must have worked on Spring, Spring boot framework
- Strong Java developer skills
- Should have strong knowledge of Data Structures and Algorithms
- Should be well versed with Agile Development methodologies
- Prior experience in handling backend
- Should have strong debugging and communication skill
- Microservices experience would be a plus
- Built backend for Android, iOS applications in past
- Well versed with AWS deployments
- Excellent problem-solving skills
- Experience in SQL or Mongo Database
- Perform UI tests to optimize performance
- Write clean reusable code
Essential Qualification
• Bachelor’s degree in Computer Science/ Electronics or equivalent.
• Graduated in 2020/21 having 1-2 years of industrial experience
Skill-set
Spring boot, Java, Flask, Python, Data Structures, Algorithms, Basic knowledge of AWS/GCP
What we offer
● Growth-oriented culture
● Limitless learning opportunities by working with cutting edge tech stacks and with a
diverse and talented team
● Excellent compensation with competitive benefits
● Flexible work environment
● A chance to make an impact on our business strategy using your work
About zunpulse:
Zunpulse is India's leading smart electricity brand. Backed by Godrej, we are a 150+ member
engineering team led by co-founders from IIT Kharagpur, IIT Delhi & IIT Kanpur. We have developed
the largest range of IoT and AI-enabled smart home products with one single offering in mind
#phonesekarocontrol. Founded in June 2016, we have impacted 1,00,000 + homes to date.
Customers are looking for comfort, convenience, and security, all of which zunpulse provides with a
single app, to provide it all with a hyper-personalized experience. With the zunpulse app, the team is
creating a new way for the customers to manage their lives while keeping them cool, fun, and trendy.
With an all-around IoT tech solution, zunpulse is set to create a future smart home suite that can
transform how you live and interact with your home.
To know more about us refer:
https://www.zunpulse.com/
• Bachelor’s degree in Computer Science or IT related field
• 4-6 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. JavaScript, Typescript, NodeJS (Express, NestJs, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Agile Methodologies (Scrum, TDD, BDD, etc.)
f. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
g. Data Structures and Algorithms using Javascript, Typescriptand/or other Programing Languages
h. Strong organizational skills
i. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Design Patterns and implementing the Design Patterns
c. Development of Complex Application and System Architectures
d. NoSQL Databases (Redis, Mongo, etc.)
e. Full stack development
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (Java, Python, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Secure Development based on OWASP standards
The Role
Working as a “Backend Developer” at Bonzai gives you the opportunity to work on maintaining and improving the platform.
- Work on the entire product lifecycle starting from design to deployment and monitoring.
- Explore new technologies such as Kotlin, patterns such as Domain-Driven Design and other cool stuff such as Gitlab CI/CD pipelines, Docker, ECS, Golang, Python, Terraform, distributed tracing and even Haskell.
- Ensure top-notch performance in terms of product and feature experience.
What you need to succeed
- 2 - 3 yrs of experience in Java, Spring Boot, Hibernate, Rest API, and MySQL.
- Good to have experience/knowledge of other programming languages such as Kotlin or Python, other DBs such as Redshift, platforms such as AWS and architectural patterns such as https://martinfowler.com/bliki/DomainDrivenDesign.html">Domain-Driven Design (DDD) and https://en.wikipedia.org/wiki/Hexagonal_architecture_(software)">Hexagonal architecture.
- Good understanding of Object-oriented concepts, Functional programming and Design Patterns.
- Exceptional communication skills and ability to articulate complex ideas in written, spoken and visual language
- Bachelor in engineering preferably from a leading institute across the globe.
A minimum of 6 years of software development experience
In-depth knowledge of C#
Hands-on experience with ASP. NET MVC Framework
Strong knowledge and experience in designing and developing Web solutions using ASP.
NET MVC Framework
Rich experience in creating REST-based web-services using ASP. NET Web API or ASP.
NET Core
Working experience of Relational Databases (MS SQL, Oracle nice to have), ORM (Entity
Framework, EF Core)
Affinity with unit and integration testing frameworks and TDD
Knowledge of Azure cloud and DevOps pipeline nice to have
Analyze, plan and estimate requirements as well as identify risks involved and provide
solutions
Understanding of design principles behind scalable and testable applications
Continuous improvement and innovative mind-set.
Ability to take a lead role and take ownership of complex data integration deliveries.
A degree in Computer Science and/or a business related degree; or equivalent work experience.
● You have a minimum of 7 years of experience working on production systems at a
productcompany with a decent scale
● You have a deep understanding of design patterns, memory/performance optimization, and how to summarise and share knowledge
● You have experience developing software services and an understanding of design for scalability,performance, and reliability
● You have excellent experience in managing security, reliability, performance, maintainability, and scalability
● You have familiarity with microservice architecture, containers, and related technologies
● You have strong knowledge of software development fundamentals, including relevant backgroundin computer science fundamentals and agile development methodologies.
● You have a strong development experience in using modern web frameworks in
programminglanguages like Ruby on Rails, Python, Javascript.
● You have a strong understanding of relational databases and SQL and you practice test drivendevelopment
● Would be an added advantage if you have a passion for mentoring and helping people on your team grow and achieve their goals
● You are an excellent collaborator & communicator. You know that startups are a team sport. Youlisten to others, aren’t afraid to speak your mind and always try to ask the right questions.
● You are excited by the prospect of working in a distributed team and company.
● If you like to tinker and have hobby projects, send us links to your blog, github etc
Location: We are open to candidates working from anywhere in India/across the globe. At the moment, however, like most teams, we are fully remote.
Top Skills:
You write high-quality, maintainable, and robust code, often in Java/C#/Python/C++/Go/Ruby on Rails.
You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities:
You solve problems at their root, stepping back to understand the broader context.
You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
You recognize and use design patterns to solve business problems.
You understand how operating systems work, perform and scale.
You continually align your work with Amazon’s business objectives and seek to deliver business value.
You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience:
Bachelors or Masters in Computer Science or relevant technical field with 3+ years of experience in Design and Development
Experience in software development and full product life-cycle.
Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
Proficiency in SQL and data modeling.
Location: Hyderabad/Bangalore
CTC - no bar
Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set








