
š Hiring: Java Developer
ā Experience: 4+ Years
š Location: Pune
ā Work Mode:- Hybrid
ā±ļø Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
Requirements
ā Strong proficiency in Java (Java 8/11/17)
ā Experience with Spring / Spring Boot
ā Knowledge of REST APIs, Microservices architecture
ā Familiarity with SQL/NoSQL databases
ā Understanding of Git, CI/CD pipelines
ā Problem-solving skills and attention to detail

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Company Name ā Wissen Technology
Group of companies in India ā Wissen Technology & Wissen Infotech
Work LocationĀ - Senior Backend Developer ā Java (with Python Exposure)- Mumbai
Experience - 4 to 10 years
Kindly revert over mail if you are interested.
Java Developer āĀ JobĀ Description
We are seeking aĀ Senior Backend DeveloperĀ with strong expertise inĀ Java (Spring Boot)Ā and working knowledge ofĀ Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. Youāll be part of a collaborative backend team building scalable and high-performance systems.
Key Responsibilities
- Design and develop robust backend services and APIs primarily usingĀ Java (Spring Boot)
- Contribute to Python-based components where needed for automation, scripting, or lightweight services
- Build, integrate, and optimize RESTful APIs and microservices
- Work with relational and NoSQL databases
- Write unit and integration tests (JUnit, PyTest)
- Collaborate closely with DevOps, QA, and product teams
- Participate in architecture reviews and design discussions
- Help maintain code quality, organization, and automation
Required Skills & Qualifications
- 4 to 10 years ofĀ hands-on Java developmentĀ experience
- Strong experience withĀ Spring Boot, JPA/Hibernate, and REST APIs
- At leastĀ 1ā2 years of hands-on experience with PythonĀ (e.g., for scripting, automation, or small services)
- Familiarity withĀ Python frameworksĀ like Flask or FastAPI is a plus
- Experience withĀ SQL/NoSQL databasesĀ (e.g., PostgreSQL, MongoDB)
- Good understanding ofĀ OOP,Ā design patterns, andĀ software engineering best practices
- Familiarity withĀ Docker,Ā Git, andĀ CI/CD pipelines
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Roles and Responsibilities:
- Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
- Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
- Transform business and design needs into innovative products.
- Drive all projects to completion within deadlines.
- Perform thorough testing to find issues ahead of time.
- Engineering software needs more precise analysis & coding skillset
- Enhance skillset by working with fortune 500 clients
- Interacting with internal team.
Qualifications :
- B.E in computer science or related fields.
- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
- Ability to work at the tactical and strategic levels of IT initiatives.
- Impressive hands-on experience in Java, database(Oracle), OOPS, Java Swing, Javafx.
- Self-Motivated, flexible & Innovative.
- Ā 4+ years JAVA/J2EE experience Spring Services, Spring Security and Rest Api's
- Spring Framework: Core Spring / Spring Boot / Spring MVC ,Rest ServiceĀ
- Ā JPA/Hibernate, JSON parsing
- Build Tool : Maven
- Apache tomcat
- Database : Any RDMS (preferably Mysql)
- Ā SCM: Git / Bitbucket
- Ā Java 8 Generics, SOLID Design Principle
- Ā Strong experience on Collections Framework and Threading
- Collections: Hashmaps, Concurrent Hashmaps, Treemap, Thread pool
- Ā SSO, PAS, JPA/Hibernate, API Integration Build, MATLAB Integration with Java, Json Conversion.
- Location : PAN India(Preferred Bangalore)
- Early joiners preferred.
- Skilled in Java / J2EE including frameworks like Microservices, Spring boot, hibernate etc
- Experience with microservices-based architecture including building
- Good knowledge of SQL (MySQL / Oracle / SQL Server / Postgres), NoSQL (MongoDB / Cassandra), App server Knowledge (Tomcat/JBoss etc.), OSGi, REST Web Services
- Working / Usage experience of Docker, Microservices, Jenkins, Multithreading, Design patterns, Java 1.8 and Container
- Experience with Cloud computing in added advantage (AWS / Azure)
- Strong Debugging and Troubleshooting Expertise.
- Strong communication skills (oral and written)

- Ownership of complete backend code.
- Full stack development on cutting edge technology in Fintech domain.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real time projects in backend with node.js and express.js



- Create a platform to change the way kids learn: Because company is solving a unique problem, we have the chance to reimagine education. Be it collaboration or puzzles or interactive videos or even 3D experiences, there is a huge scope for innovation. You can help us get there.
- Tackle challenging and impactful problems: You'd jump between product, marketing, internal tools, process ā participating in every phase from inception to implementation. Absolutely no boredom.
- Join us at a magical time: We went through Y Combinator, have raised funding and are seeing strong traction with a very lean team. You get to be among the first employees in one of the strongest and most passionate teams in the EdTech space.
Ā
So, what will you do as a Full Stack Lead at company?
Ā
- As one of the early employees, there will be a lot on your plate. All the time!
- You'll take ownership and build new product features from start to finish. We love to hire āProduct Engineersā who care about āwhyā behind a feature and suggest changes to hit the objectives even better
- You'll build improvements to performance, reliability, and product polish ā for example, improving the efficiency and performance of our replicated state systems.
- You will mentor new joiners, review the pull requests and help with expanding the team as we grow
Ā
This might be for you if...
- You have strong knowledge of both front and back end technologies
- You have been professionally coding for at least 4 years
- You have worked in a startup and relish the chaos and pressure
- You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
- You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
- You care about the business implications of anything you build. You're not just going after cool stuff ā you understand the balance between craft, speed, and the bottom line.
- Bonus: You're fluent with Typescript, Python, Go, NodeJS, Postgres, Docker.
- Bonus: You're familiar with multiple frameworks such as React, Django
- Bonus: You understand AWS infrastructure and can put out a fire if one happens
Ā· 3+ years java development experience with JSE/JEE, Java based Micro-services framework and implementation, Spring framework, Hibernate framework, SQL etc
Ā· Hands on experience on Spring boot &Ā Microservices .
Ā· Strong knowledge of micro-service logging, monitoring, debugging and testing
Ā· Implementations experience of micro-service integration, packaging, build automation and deployment.
Ā· Object Oriented analysis and design using common design patterns.
Job description:
Amazonās Worldwide Consumer Engagement organization brings customers to visit amazon websites, engage them on site and help them purchase from Amazonās retail sites. This is achieved through highly personalized messages delivered via all available large scale communication channelsāboth free and paid and offering engaging experience on website. The organization builds, operates, and improves the technology systems that power all marketing channels, and manages prioritization and marketing spend decisions. Consumer Marketing consists of a series of single-threaded technology and business teams, each of which owns the entirety of a channel of communication or customer segment: natural and paid search (i.e. SEO and SEM), affiliate marketing (Associates), display advertising, email, browser integration, and mobile marketing, retail customer experience technology teams.
Ā
This position is for a technology leader in Affiliate Marketing Technology group for attribution team. This team owns business critical systems that are responsible for attributing traffic to marketing channels and thrives on innovation to provide rich analytics to its internal and external customers. As a leader on the team, you will be responsible for tier1 critical systems, guide your team through the design, development, testing, and deployment of a range of products involving big data processing and dealing with near real time SLAs. You will have to deal with challenges of high availability (five 9s) guarantee, low latency and high throughput. In addition, you will build and manage roadmaps for software teams, developing cutting edge experiences. You will have sound technical acumen, excellent project management skills, great communication skills, and hire, build, and develop your team. You are a true owner - you are deeply interested in product design, architecture, and you innovate relentlessly on behalf of our customers.
Ā
This position offers the opportunity to collaborate with our business teams across the world and other tech teams in Bangalore as we raise the bar in delivering innovation.
Ā
Primary responsibilities:Ā
- Provide technical expertise and leadership throughout product life cycles, influence software engineers best practices for your team and own operational metricsĀ
- Work with business leaders and product managers to define product requirements.Ā
- Prioritize, communicate, maintain, and execute roadmaps, project plans, and commitmentsĀ
- Work with engineers to define technical requirements and architect and execute best-in-class implementations in agile mannerĀ
- Build and maintain world-class customer experience and operational excellence for your deliverablesĀ
- Hire, manage, mentor and grow a high performance team of Software Engineers
Ā
Basic Qualifications:
- Bachelors/Masters degree in Computer Science or related field
- 10+ years professional experience in software development management
- Proficiency in, at least, one modern programming language such as Java, Scala, C#, C++ etcĀ
- Ability to solve complex technical problems and design robust, scalable solutions
- Ability to think critically and actively contribute to strategic choices.
- 3+ years experience in managing development teams working on multiple simultaneous projects.
- 3+ years experience in managing large scale software development teams following Agile development processes.Ā
- Strong skills in project planning & execution, problem solving. Ability to take a project from initial scoping requirements through actual launch and support of the project
- Proven leadership and teamwork skills
- Excellent verbal and written communication skills in both technical and non-technical discussions.
Ā
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Preferred Qualifications:Ā
- Deep, hands-on technical expertise in high scale, service-oriented architectures
- Exposure to Elastic Map Reduce and Machine Learning programs.Ā
- Ability to handle multiple competing priorities in a fast-paced environment
- Knowledge of professional software engineering practices & best practices for the full software development life cycle including coding standards, code reviews, source control management, build processes, testing, and operations
- Clear, professional communication skills able to contribute to team discussions, knowing when to contribute, when to listen, and when to ask questions
- Proactively and continually improve their level of knowledge about Amazonās business and relevant technologies, and use this knowledge to deliver high quality, accurate software deliverables
- Strong business and technical vision
- Good understanding of web services

