
JOB DESCRIPTION-
Exp - 5 to 8yrs
Job Summary
We are looking for a highly skilled and motivated Senior Software Engineer with strong expertise in Java (primary) and working knowledge of Python. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems, while contributing to high-quality software delivery across the full development lifecycle.
Key Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance applications using Java (Spring Boot / Microservices architecture)
- Develop reusable components and APIs with a focus on performance, security, and scalability
- Leverage Python for automation, scripting, data processing, or ML-related use cases (as applicable)
- Collaborate with cross-functional teams including Product, QA, DevOps, and Architecture
- Participate in system design discussions and contribute to technical decision-making
- Write clean, efficient, and well-documented code following coding standards and best practices
- Optimize applications for maximum speed and scalability
- Troubleshoot and debug complex production issues
- Contribute to CI/CD pipelines and DevOps practices
- Mentor junior engineers and perform code reviews
Required Skills & Qualifications
Technical Skills
- Strong hands-on experience in Core Java, Spring Boot, and Microservices architecture
- Solid understanding of RESTful APIs, multithreading, concurrency, and JVM performance tuning
- Practical experience with Python (automation, scripting, or backend development)
- Experience with databases: SQL (MySQL, PostgreSQL) and/or NoSQL (MongoDB, Cassandra)
- Familiarity with cloud platforms (AWS, Azure, or GCP)
- Strong knowledge of data structures, algorithms, and system design
- Experience with message brokers (Kafka, RabbitMQ)
- Exposure to containerization & orchestration (Docker, Kubernetes)
- Experience with version control systems (Git)
Preferred Skills
- Experience in distributed systems and event-driven architectures
- Knowledge of Python frameworks (Flask, FastAPI, Django)
- Exposure to big data technologies (Spark, Hadoop) or ML workflows
- Experience with CI/CD tools (Jenkins, GitHub Actions, etc.)
- Familiarity with observability tools (Prometheus, Grafana, ELK stack)
Soft Skills
- Strong problem-solving and analytical skills
- Excellent communication and collaboration abilities
- Ability to work in a fast-paced agile environment
- Proactive ownership and accountability

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.
Connect with the team
Similar jobs
Profile: AWS Data Engineer
Mode- Hybrid
Experience- 5+7 years
Locations - Bengaluru, Pune, Chennai, Mumbai, Gurugram
Roles and Responsibilities
- Design and maintain ETL pipelines using AWS Glue and Python/PySpark
- Optimize SQL queries for Redshift and Athena
- Develop Lambda functions for serverless data processing
- Configure AWS DMS for database migration and replication
- Implement infrastructure as code with CloudFormation
- Build optimized data models for performance
- Manage RDS databases and AWS service integrations
- Troubleshoot and improve data processing efficiency
- Gather requirements from business stakeholders
- Implement data quality checks and validation
- Document data pipelines and architecture
- Monitor workflows and implement alerting
- Keep current with AWS services and best practices
Required Technical Expertise:
- Python/PySpark for data processing
- AWS Glue for ETL operations
- Redshift and Athena for data querying
- AWS Lambda and serverless architecture
- AWS DMS and RDS management
- CloudFormation for infrastructure
- SQL optimization and performance tuning
Job Summary
We are looking for a Senior Backend Engineer with strong experience in Java, Spring Boot, and Microservices architecture. Candidates with server-side Kotlin development experience are highly preferred. Strong software engineering fundamentals, REST API development expertise, and experience building enterprise-scale applications are essential.
The ideal candidate should be passionate about clean code, testing, scalability, and product/platform engineering.
Key Responsibilities
- Design, develop, and maintain scalable backend applications using Java and/or Kotlin.
- Build and enhance RESTful APIs and microservices-based applications.
- Develop high-performance, secure, and reliable enterprise applications.
- Participate in system design, architecture discussions, and technical decision-making.
- Write clean, maintainable, and well-tested code following industry best practices.
- Implement and maintain automated unit tests, integration tests, and other testing strategies.
- Collaborate with Product, Engineering, and DevOps teams to deliver high-quality solutions.
- Troubleshoot production issues and optimize application performance.
- Mentor junior developers and contribute to engineering excellence initiatives.
Required Skills
- 6–8+ years of backend development experience.
- Strong proficiency in Java.
- Experience with server-side Kotlin (preferred) or willingness to learn and work extensively in Kotlin.
- Hands-on experience with Spring Boot and Microservices architecture.
- Strong experience developing REST APIs.
- Experience building enterprise-grade applications.
- Good understanding of software design patterns and object-oriented programming principles.
- Strong knowledge of unit testing frameworks such as JUnit, Mockito, or equivalent.
- Experience with Test-Driven Development (TDD) is highly desirable.
- Knowledge of CI/CD pipelines and version control systems such as Git.
- Experience working with relational and/or NoSQL databases.
Minimum Qualifications:
5+ years of experience with Linux/Unix system administration and networking fundamentals 3+ years in a Software Engineering role or equivalent experience
4+ years of working with AWS
4+ years of experience working with Kubernetes, Docker.
Strong skills in reading code as well as writing clean, maintainable, and scalable code
Good knowledge of Python
Experience designing, building, and maintaining scalable services and/or service-oriented architecture Experience with high-availability
Experience with modern configuration management tools (e.g. Ansible/AWX, Chef, Puppet, Pulumi) and idempotency
Bonus Requirements:
Knowledge of standard security practices
Knowledge of the Hadoop ecosystem (e.g. Hadoop, Hive, Presto) including deployment, scaling, and maintenance Experience with operating and maintaining VPN/SSH/ZeroTrust access infrastructure Experience with CDNs such as CloudFront and Akamai
Good knowledge of Javascript, Java, Golang
Company Profile
App Innovation Technologies is leader in Mobile and Web based solutions development. With our extensive knowledge of this industry, our customers receive the edge needed to make their projects a true success. Our team of developers, analysts, designers, testers and project managers will complete projects on time to the agreed specifications with Mobile, Social, Cloud and Analytics’ expertise.
We also provide a caravan of web-based products and Software services. AIT is a reputed web/Software development company with its headquarters based at Coimbatore, India. We have a creative team of skilled professionals who have in depth knowledge in various technologies including open source technologies and Microsoft technologies to service our valuable clients. Please visit our website https://www.aitechindia.com for more details.
Job Description
We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
Responsibilities:
• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization
Skills
• Proficient with Objective-C or Swift.
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
• Familiarity with continuous integration
Education Qualification:
• Undergraduate in Engineering related to Computer Science and Information Technologies and Postgraduate in Computer Science
• Shouldn’t have Backlog or Arrear.
• Must have completed at least 3 month course.
• Should be an Analytical thinker and Self Motivator
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
Skills Needed: Java,Spring,Springboot,Microservices
Should have hands-on experience with Java
Should have hands-on experience with technologies like spring & springboot
Should have hands-on experience with Microservices Architecture
Experience:2 Yrs to 5 Yrs
Notice Period: Immediate to 10 Days(Max)
Location: Bangalore
Work from Home till Pandemic End
A backend developer works alongside front-end developers, full stack developers, programmers or UX specialists to create comprehensive digital solutions for business needs. They make sure the website is scalable and that it can still function when hit by large loads—be that traffic or demanding scripts. They are also tasked with
maintaining and testing existing back-end elements to ensure they’re as fast and efficient as possible. Data storage also comes under their remit, which requires them to have a good knowledge of data security and compliance.
Duties and responsibilities:
• Analyses, designs, develops, and codes REST API using NodeJS more programming languages, Web and Rich Internet Applications.
• Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting.
• Assesses the health and performance of software applications and databases.
• Establishes, participates, and maintains relationships with business units, customers and subject matter experts to remain apprised of direction, project status, architectural and technology trends, risks, and functional/integration issues.
• Defines specifications and develop programs, modifies existing programs, prepares test data, and prepares functional specifications.
• Analyses program and application performance using various programming languages, tools and techniques.
• Manage staff of 2-3 & manage microservices of software most effectively and efficiently.
• Reviews project proposals evaluate alternatives, provides estimates and makes recommendations.
• Designs and defines specifications for systems.
• Identifies potential process improvement areas and suggests options and recommends approaches
System Design Concepts:
- Scaling
- API Gateway
- Microservices
- Message Queue
Qualifications:
Graduation - B. Com + IT Certification/ B.Sc. - IT / B.Sc. Comp Sc./ B.Sc. IT/ BE-IT/ BE-Comps
Technical Skills:
Oracle, SQL, Java, Node JS, REST API Debugging.
Soft Skills:
Client Management; Good interpersonal skills; Good Communication
Greetings from Amazon...!
It is our pleasure in personally inviting you to apply job with Amazon Development Centre India (ADCI). At Amazon we are inclined to hire people with passion for technology and you happened to be one of the shortlisted candidates. Our business is committed to recognizing potential and creating teams that embrace innovation.
Please find the Eligible criteria and requirements:
Job title : SDE – II (Software Development Engineer)
Role Opportunity : Permanent/Full Time/FTE/Regular
Work Location : Hyderabad/Bangalore/ Gurgaon
Must Have
- Strong Exposure to Data Structures, Algorithms, Coding, System Design (LLD, HLD, OOAD), Distributed systems, problem solving skills, Architecture (MVC/Microservices), logical thinking.
Amazon (ADCI) - If you are looking for an opportunity to solve deep technical problems and build innovative solutions in a fast paced environment working with smart, passionate software developers, this might be the role for you. Amazon’s transportation systems get millions of packages to customers worldwide faster and cheaper while providing world class customer experience – from checkout to shipment tracking to delivery. Our software systems include services that handle thousands or requests per second, make business decisions impacting billions of dollars a year, integrate with a network of small and large carriers worldwide, manage business rules for millions of unique products, and improve experience for millions of online shoppers. With rapid expansion into new geographies, innovations in supply chain, delivery models and customer experience, increasingly complex transportation network, ever expanding selection of products and growing number of shipments worldwide, we have an opportunity to build software that scales the business, leads the industry through innovation and delights millions of customers worldwide.
As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.
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.
Basic Qualifications:
- 3+ years’ experience building successful production software systems
- A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
- The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs
- Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc..), Architecture (MVC/Micro services).
- Good understanding of at least some of the modern programming languages (Java) and open-source technologies (C++, Python, Scala, C#, PHP, Ruby etc..)
- Excellence in technical communication
- Has experience in mentoring other software developers
Preferred Qualifications:
- BS/MS in Computer Science or equivalent
- Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability
- Demonstrated ability to mentor other software developers to maintain architectural vision and software quality
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment
- Expertise in delivering high-quality, innovative application
- Strong desire to build, sense of ownership, urgency, and drive
- Strong organizational and problem solving skills with great attention to detail
- Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
- Experience building highly scalable, high availability services
- The ideal candidate will be a visionary leader, builder and operator.
- He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
- He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
- He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgment
- Proficiency in, at least, one modern programming language.
- Experience in SQL or Non-SQL database.
- Strong sense of ownership, urgency, and drive.
- Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
- Excellent communication, collaboration, reporting, analytical and problem solving skills.
Good to Have:
- Knowledge of professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
- Experience with enterprise-wide systems
- Experience influencing software engineers best practices within your team
- Hands-on expertise in many disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between
- Strong written and verbal communication skills preferred
Key Points to remember:
- Strong knowledge of the Software Development Life Cycle methodology
- Technical design, development and implementation decisions on the use of technology in area(s) of specialization.
- Write or modify programming code to suit customer's needs.
- Unit test to assure meets requirements, including integration test as needed.
- Ability to understand and analyze issues and uses judgment to make decisions.
- Strong problem solving & troubleshooting skills
- Strong communication skills
- Responsible for self-development according to professional development plan










