Java Backend Engineer

Java Developer – Job Description

About the Role

Wissen Technology is now hiring for a Java Developer - Mumbai 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. This is a brilliant opportunity to become a part of a highly motivated and expert team that has made a mark as a high-end technical consulting organization.

Required Skills

• Experience: 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 multithreading 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.

 Profile: Senior Java Developer

🔷 Experience: 5+ Years

🔷 Location: Remote

🔷 Shift: Day Shift

(Only immediate joiners & candidates who have completed notice period)

✨ What we want:

✅ AWS cloud services (MANDATORY)

✅ Docker containerization (MANDATORY)

✅ Spring/Spring Boot framework

✅ RESTful API development

✅ Microservices architecture

✅ Database experience (SQL/NoSQL)

✅ Git version control & CI/CD

✅ Kubernetes orchestration

Solution Oriented Mindset

• Assist project in all technical aspects of tooling and DevOps
• Proactively lead tools new versions release cycle and documentation
• Proactively identify risks related to application /deliverables and propose a mitigation plan
• Provide custom solutions as per customer requirements

Autonomy & Problem Solving Mindset

• Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
• Must have troubleshooting skills

Agile Mindset

• Contribute to improvement of internal process, tooling, and quality process
• Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis

We are seeking an experienced Senior Java Developer specializing in Spring Boot and Apache Camel to join our team. This individual will be responsible for designing, developing, and implementing robust, scalable, and high-performance applications. You will work on complex projects and integrations, leveraging Spring Boot and Apache Camel to streamline business processes and message routing.

Key Requirements:

• 5+ years of experience in Java Development, specifically with Spring Boot.
• Proven experience in using Apache Camel for integrating distributed systems.
• Solid understanding of microservices architecture and RESTful API development.
• Proficiency in Java-based middleware technologies.
• Strong knowledge of message queues (e.g., RabbitMQ, ActiveMQ, Kafka) and their integration with Apache Camel.
• Experience with cloud services such as AWS, Azure, or GCP is a plus.
• Familiarity with CI/CD pipelines and automated deployment processes.
• Experience with Agile development methodologies.
• Strong problem-solving skills and attention to detail.
• Excellent communication skills, both written and verbal.

Bonus Skills:

• Experience with Docker and Kubernetes for containerization and orchestration.
• Knowledge of Apache Kafka for event streaming.
• Experience with modern development tools like Git, Jenkins, and JIRA.

What We Offer:

• A dynamic and collaborative work environment.
• Opportunities for career advancement and skill development.
• Flexible working hours and the ability to work remotely.
• Competitive salary and benefits.

Role- Software Development Engineer-2

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++ 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 http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">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.

GlobalShaala aims to build a decentralised learning system for children that enables garnering inspiration for learning from educators and industry leaders alike. A personalised platform that grows with the child and helps him/her to engage in experiences that unravels his/her competences and interests. 

We are building India's first platform where children of K-12 can engage in:

* Destination-based educational experiences, which involves curriculum mapped experiences at global destinations where kids can apply their learning.

* Virtual educational experiences by interacting directly with industry leaders. Children get to discuss the ‘Why?’, ‘How?’ and ‘Where?’ of current classroom topics directly with industry leaders and understand how the fundamentals they are dealing with are being used to solve problems with real world applications.

Qualifications:

- B.Sc/B.Tech in Computer Science or a related field.

- Strong coding, data structures and algorithms.

- 1+ year experience in PHP (Laravel).

- Experience or keen interest to take ownership of code deployment in Linux based servers, Docker, Jenkins.

- Hands-on experience with relational databases like MySQL, Postgres.

Responsibilities:

- Design and develop software for given requirements.

- Involvement in the full software development lifecycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs.

- Troubleshoot, test and maintain the core product software and databases to ensure strong optimisation and functionality.

- Communicate cross-functionally, collaborate with business teams, engineers to plan, own and deliver solutions on time.

Built on a foundation of AI we are automating enterprise application integration, data integration, data preparation for Analytics and bot automation. We are looking to build our engineering development center in Pune with passionate and entrepreneurial developers at all levels (Interns, Fresh Graduates, Senior Software Engineers and Architects).