Java
Android Development
Kotlin
Shubham Vishwakarma
Full Stack Developer - Averlon
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JavaJOB DESCRIPTION
Experience: 4-7 years
Location: Bangalore
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. - 4-7 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.
JavaShift timings : Afternoon
Job Summary
We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.
Key Responsibilities
● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.
● Migrate the legacy system to Spring Boot while ensuring minimal downtime.
● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.
● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).
● Handle XML file generation, email integrations, and REST API maintenance.
● Database management (SQL Server) including query optimization and schema updates.
● Collaborate with teams to ensure smooth transitions during migration.
● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.
● Document migration steps, deployment processes, and system architecture.
Required Skills & Qualifications
● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.
● Strong expertise in Spring Boot (migration experience from legacy Java is a must).
● Experience with Payara/GlassFish server management and deployment.
● Proficient in Apache, Ansible, and shell scripting (deployer.sh).
● Solid knowledge of SQL Server (queries, stored procedures, optimization).
● Familiarity with XML processing, email integrations, and Maven builds.
● Experience in production deployments, server troubleshooting, and performance tuning.
● Ability to work independently and lead migration efforts.
Preferred Skills
● Knowledge of microservices architecture (helpful for modernization).
● Familiarity with cloud platforms (AWS/Azure) is a plus.
Java
MongoDB
Spring Boot● Complete ownership of the components that one works on - starting from
architecture design to monitoring metrics post deployment
Strong bias for action with a problem solving mindset. Meeting current
requirements or resolving issues while keeping bigger picture in mind.
● Thinking big while designing components. Keeping in mind that if we build our
current version for x users, it will be 10x within a year & 100x within 1.5 years
hands on experience in software development with excellent
problem-solving skills.
● Hands on experience on building highly-available, scalable systems.
● Expertise in Java with data structures, algorithms, spring, hibernate skills.
● Knowledge of NoSQL, MongoDB, caching data stores, queuing and search.
● Proficiency in computer science fundamentals: Object oriented design, data
structures, algorithm design, and complexity analysis.
● Good with the design patterns and architecture solution to large scale
applications.
● Nice to have: Cassandra, Kafka, Aerospike development experience with highly
scalable and performant software systems.
Java
Docker
RedisResponsibilities:
- Good understanding of programming language
- Concepts of Java, Maven
- Source Control
- Logically Strong in coding practices
- Data structure Understanding.
- Security encryption and decryption
- Data encoding decoding
Requirements:
- Strong core Java development skills.
- Exposure to security tools.
- Experience in working with customers, understanding business requirements
- Good analytical and troubleshooting skills.
- Working knowledge of Jenkins/Maven
- Key requirements: Core Java, CI/CD, Docker, Maven, Jenkins, REST API, Kafka, Redis, cache, elastic cache
C#
.NETJava● You have good understanding of the fundamentals of data science/algorithms or
software engineering
● Preferably you should have done some project or internship related to the field
● Knowledge of SQL is a plus
● A deep desire to learn new things and be a part of a vibrant start-up. You will
have a lot of freehand and this comes with immense responsibility - so it is
expected that you will be willing to master new things that come along!
What you will get to do?
● Build cloud-based services and/or user interfaces
● Participating in all aspects of software development activities, including design,
coding, code review, unit testing, bug fixing, and code/API documentation
● Be the first few members of a growing technology team
.NETC#
iOS App DevelopmentAndroid DevelopmentCodeCraft Technologies is a multi-award-winning creative engineering company offering design and technology solutions on mobile, web, and cloud platforms.
We are looking for an ambitious Xamarin developer to join our team.
Roles and Responsibilities:
• Work with product owners and engineering managers to understand the product roadmap.
• Designing and building advanced mobile features and Custom UI.
• Ensuring responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Keep the app stable and secure all the time.
• Continuously discovering, evaluating, and implementing new technologies and processes to maximize development efficiency.
• Comprehensively testing code for robustness including edge cases, usability and general reliability.
• Building reusable components and front-end libraries for future use.
• Communicate with the project manager regarding the status of the project and suggest appropriate deadlines for new functionalities.
• Resolve all the bugs reported by the QA team in a timely manner.
Desired Profile:
• Must Have Skills: Xamarin, MAUI, C# .NET
• Other Skills: Flutter & Dart and/or Java/Kotlin and/or Swift/ Swift UI
Good to Have:
• .NET Certification
• Native (iOS and Android) development Experience.
About the company and work culture:
You will love working with CodeCraft ☺
● Our projects are fast-paced. Everyone is expected to take ownership of the work assigned and are accountable for the same.
● We love to work with people who are proactive, Solution providers and are contributing positively.
● The office has an open culture.
● We encourage leadership development.
● We have good long-term benefits, a yearly vacation, and good opportunities to learn new skills and grow.
● We have worked with the #1 Sports stadium in the world and developed solutions used by NFL, NBA, and Soccer teams.
● We are currently working with clients on the Forbes list USA. One of them is the youngest RE billionaire in the USA.
● Our clients include a few Fortune companies.
● We have developed solutions featured by Apple and Microsoft.
● We won all the entries sent to design awards including a few Indian and International design awards.
● We are working with one of the 50 largest employers in NYC in the healthcare domain.
● We are working with both emerging and very successful start-ups globally.
Design Awards:
● India's Best Design Project Award, IBDA 2018. The jury was from 11 countries. We had 2 entries and won both.
● 11th International Design Awards, LA. There were 3200 entries from 95 countries. We won Silver in design for the Society Category.
● India's Best Design Project Award, IBDA 2017. The jury was from 10 countries.
● Finalist at Design4India- NASSCOM event.
Our business spread last year was:
• USA (95%)
• UK, India, New Zealand and Germany (2%)
Visit us on:
https://www.codecrafttech.com/
LinkedIn - https://tr.linkedin.com/company/codecraft-technologies-private-limited
Instagram - https://www.instagram.com/codecrafttech/
Facebook - https://www.facebook.com/CodeCraft/
JavaSpring BootResponsibilities for Staff Engineer role:
- Having experience in Java along with Springboot, Micorservices, RDBMS
- Experience required: 6yrs to 8 yrs.
Java
Scala
C++Please find below JD and do reply with updated resume if you are interested.
Software Development Engineer
Bengaluru / Hyderabad / Chennai / Delhi
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
• You write high quality, maintainable, and robust code, often in Java or C++.
• 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.
• 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.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched www.amazon.in for shoppers in India. With www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
Thanks and Regards,
Regards,
Archana J
Recruiter (Tech) | Consumer TA
JavaSpring BootRequired Skills
- As a Senior Core Java Developer, you will have a range of responsibilities from shaping and implementing strategic products to ensuring that company stays on the leading edge of technology
- You will have generic capabilities across application development stack and strong technical expertise in one / two application layers
- Excellent working knowledge of the following technologies:
- Implementation exp (hands-on) on Server Side Java technologies (Core Java, Multithreading, Concurrent API’s, Executor services, collections, concurrent packages, DS/Algo, design patters/principles, basic data case, Junit/agile)
- Design Patterns
- SQL and Relational Databases such as DB2
- Hands-on experience on Spring and Hibernate
Java
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Full Stack Developer - Averlon