
About Wissen Technology
Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology
Role: Java Backend Developer with AWS
Key Responsibilities
● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.
● API Design: Develop and document RESTful for consumption by web and mobile frontends.
● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.
● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.
● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).
● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.
● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.
Required Technical Skills
● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.
● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.
● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).
● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.
● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.
● Version Control: Expert-level knowledge of Git and branching strategies.
Qualifications & Soft Skills
● Experience: 5+ years of professional experience in backend development.
● Problem Solving: Ability to debug complex production issues and performance bottlenecks.
● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.
● Adaptability: Proven ability to quickly learn new codebases and business domains.

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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About NonStop io Technologies
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description
NonStop io is seeking a proficient .NET Developer to join our growing team. You will be responsible for developing, enhancing, and maintaining scalable applications using .NET technologies. This role involves working on a healthcare-focused product and requires strong problem-solving skills, attention to detail, and a passion for software development.
Responsibilities
- Design, develop, and maintain applications using .NET Core/.NET Framework, C#, and related technologies
- Write clean, scalable, and efficient code while following best practices
- Develop and optimize APIs and microservices
- Work with SQL Server and other databases to ensure high performance and reliability
- Collaborate with cross-functional teams, including UI/UX designers, QA, and DevOps
- Participate in code reviews and provide constructive feedback
- Troubleshoot, debug, and enhance existing applications
- Ensure compliance with security and performance standards, especially for healthcare-related applications
Qualifications & Skills
- Strong experience in .NET Core/.NET Framework and C#
- Proficiency in building RESTful APIs and microservices architecture
- Experience with Entity Framework, LINQ, and SQL Server
- Familiarity with front-end technologies like React, Angular, or Blazor is a plus
- Knowledge of cloud services (Azure/AWS) is a plus
- Experience with version control (Git) and CI/CD pipelines
- Strong understanding of object-oriented programming (OOP) and design patterns
- Prior experience in healthcare tech or working with HIPAA-compliant systems is a plus
- Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack (Java, Node, Python etc)
- Comfortable working with AI (Claude code, Cursor etc)
Why Join Us?
- Opportunity to work on a cutting-edge healthcare product
- A collaborative and learning-driven environment
- Exposure to AI and software engineering innovations
- Excellent work ethics and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you!
Duration: 6 months with possible extension
Location: Remote
Notice Period: Immediate Joiner Preferred
Experience: 4-6 Years
Requirements:
- B Tech/M Tech in Computer Science or equivalent from a reputed college with a minimum of 4 – 6 years of experience in a Product Development Company
- Sound knowledge and application of algorithms and data structures with space and me complexities
- Strong design skills involving data modeling and low-level class design
- Good knowledge of object-oriented programming and design patterns
- Proficiency in Python, Java, and Golang
- Follow industry coding standards and be responsible for writing maintainable/scalable/efficient code to solve business problems
- Hands-on experience of working with Databases and the Linux/Unix platform
- Follow SDLC in an agile environment and collaborate with multiple cross-functional teams to drive deliveries
- Strong technical aptitude and good knowledge of CS fundamentals
What will you get to do here?
- Coming up with best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.
- Driving the adoption of best practices & regular Participation in code reviews, design reviews, and architecture discussions.
- Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself on the impact you can create.
- Implementation of long-term technology vision for your team.
- Creating architectures & designs for new solutions around existing/new areas
- Decide on technology & tool choices for your team & be responsible for them.
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Excellent Project Management Skills - Effort estimation, scoping, prioritisation and timely delivery
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Runs daily stand-up, sprint review, iteration planning and retrospective
-
Analyze the product requirements specs & designs, convert them to tech specs, write user stories, workflows & test criteria
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Ensure the completeness and accuracy of every feature developed with demos & verification from developers/QA and acceptance demo with Product Management
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Keep all stakeholders informed pro-actively on the progress, blockers, changes & issues
-
Work with the teams to resolve people problems, dependencies, project roadblocks, and conflicts
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Implement and support software principles, rules and processes
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Collaborate effectively with cross functional teams, act as the primary technical contact, Take end to end ownership on mission critical projects
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Do the code reviews, quality checks, test effort planning, performance testing, UI & UX and code merges and deployments
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Build high energy, high performance and super productive teams, Proactively plan resource hiring, and the need for training and talent development
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BE/B.Tech/MCA preferably with Computer Science
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A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design
-
Minimum 8 years of hands-on experience in developing and delivering products and using Agile sprints
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Managing the overall Product releases from initial requirements till the final deliver
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Deep understanding of the fundamentals of iterative and incremental development, expertise in agile methodologies and frameworks
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Self-starter, proactive & a skilled decision maker in doing what is right
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Works independently & great at team collaboration
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Team Leader - Knack for influencing without being authoritative
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Possess Technical Breadth and effectively mentor tech team
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Must have very good recommendations from peers and managers in past companies
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Experience with Coding, Architecting & Developing, UX, Designs & Quality Assurance
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Experience with Cloud Deployments on AWS etc
Do you have what it takes?
· Proficient in C, C++ development, OS concepts, Data Structures, Distributed computing, and Algorithms.
· Actively engaged in projects related to architecture and design (architecture, design patterns, reliability, and scaling).
· Excellent problem-solving capability with strong fundamentals in Computer Science.
· Highly proficient in data structures and algorithms.
· Ability to pick up new technologies rapidly to convert specifications to low level design.
· Ability to clearly communicate the intent and approach when producing a code design document.
How can you contribute to our success?
· Develop frontend as well as backend components for delivering product on cloud platforms.
· Participate in activities that lead up to the code design. This may include activities such as developing prototypes, proof of concept, compare pros and cons of various implementation choices being considered and recommending the most appropriate one.
· Mentor and influence junior developers to adhere to good coding standards and become quality conscious.
· Review critical pieces of code that are developed as per this code design.
· Ensure that the code being delivered is of the highest quality.
· Ensure appropriate unit tests and functional as well as non-functional tests are considered.
· Conceptualize and work towards building processes, methodology, and tools to improve team’s ability to deliver high quality software.
SaaS (Mandatory)and Java, Spring boot, Azure is good go
Skills Required:
· Strong application development and design experience in highly Scalable enterprise JAVA/J2EE systems.
· Strong experience in complex application design, ability to provide solutions, design Concepts, design patterns.
· Strong understanding of Java best practices, system scalability, and performance tuning.
· Expertise in Spring (MVC, CORE, Boot, JDBC).
· Strong Knowledge of Restful services, XML, JSON are required.
· Having knowledge in Hadoop/Bigdata/ETL/Reporting systems is a plus.
Job Description :
A candidate who has a strong background in the design and implementation of scalable architecture and a good understanding of Algorithms, Data structures, and design patterns. Candidate must be ready to learn new tools, languages, and technologies
Skills :
Microservices, MySQL/Postgres, Kafka/Message Queues, Elasticsearch, Data pipelines, AWS Cloud, Clickhouse/Redshift
What you need to succeed in this role
- Minimum 6 years of experience
- Good understanding of various database types: RDBMS, NoSQL, GraphDB, etc
- Ability to build highly stable reliable APIs and backend services.
- Should be familiar with distributed, high availability database systems
- Experience with queuing systems like Kafka
- Hands-on in cloud infrastructure AWS/GCP/Azure
- Highly plus if know one or more of the following: Confluent ksql, Kafka connect, Kafka streams
- Hands-on experience with data warehouse/OLAP systems such as Redshift, click house and added plus.
- Good communication and interpersonal skills
Benefits of joining us
- Ability to join a small and growing team, and work with some of the coolest people you've ever met
- Opportunity to make an impact, and leave your mark on this organization.
- Competitive compensation, with the ability to shape your own career trajectory
- Go Extra Mile with Learning and Development
What can you look for?
A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality on content, interact and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.
We are hiring for Backend Developer for Pune Kharadi.
Experience: Min 2+ Years with Python/Django.
Must have Skills:
- Excellent knowledge of Python/Django code structure.
- Good understanding of Design patterns and OOPS concepts.
- Good understanding of ORM.
- Good understanding of PostgreSQL.
- Better to have code optimization techniques.
- Implementing integrated technology-based solutions and identifying integration opportunities for a similar package of services.
- Excellent knowledge of Linux, Nginx.
- Excellent knowledge of celery, RabbitMQ
- Excellent Knowledge of Git.
Additional skills:
- Knowledge in Docker and Kubernetes is a plus.
- Good to have some knowledge of Angular and some frontend technologies like Html, CSS, Java script.
- Should take responsibility and ownership of delivery.
Education & Qualifications:
- Must have a Graduate/Master’s degree in any vertical or global equivalent from a reputed university.
- Certification in Python/data science would be added advantage.
Job Description: (Mandate Skills)
- Exceptional architecture and design skills using Object Oriented Programming concepts and Design patterns
- Strong problem solving and analytical skills
- Hands on Java Engineer, with experience building consumer facing or enterprise applications using Java stack
- Ability to manage small teams (2-4 members) using agile development process
Do You Know? (Skills good to have)
- Exposure to building service oriented distributed systems
- In building systems that process big data in a distributed environment, either in real time streaming or offline
- In messaging systems like Kafka, RabbitMQ, kinesis, etc.
- In real time computation tools like Storm / Spark or Hadoop based tools.
- In Data warehousing technologies like Redshift, BigQuery, etc.
If you are a great Java developer with experience in building scalable SaaS web applications and looking for an opportunity in building world-class products using cutting-edge technologies, please read on.
Nimesa is a Data Protection & Copy Data Management company creating an enterprise-class Backup & Recovery solution. Our product can cater to the needs of the enterprise AWS users who are looking for a 360 Data Protection solution that can do more than just Backup & Recovery.
As a Senior R&D Engineer, You will
- Design and build scalable complex systems with Java and Spring
- Contribute to the development of new features, debugging, and deliver timely fixes
- Perform peer code reviews in order to ensure quality standards
Requirements
- Experience with Java, Spring Boot, AWS.
- Good at Design patterns, Algorithms.
- Experience with relational databases like PostgreSQL and MySQL
- Good understanding of web programming like REST and HTTP
- Strong Knowledge of Java Concurrency and Collection frameworks
- Knowledge of microservices architecture, messaging systems (RabbitMQ or Kafka), and docker is good to have
- Insights on workings of Database, Queues, Cache, servers.
- Develop creative solutions and write technical design based on the requirements.
- Work closely with peer teams to ensure that applications are written to allow for overall system performance.
- Assist in tuning and optimization.
- Develop and execute unit tests for product components.
- Perform peer code reviews and provide feedback.
- Promote high quality, scalability, and timely completion of projects.
- Apply agile approach to coordinate development and determine project scope and limitations.
- Bachelor degree in Engineering, CS or equivalent experience
- Development in Core Java, J2EE, Struts, spring, Client-Side scripting, Hibernate, Database
- Development of scalable core-java applications, Web Applications and Web Services
- OOP concepts
- Data Structures, algorithms and their applications
- Strong problem-solving skills
- Experience in building microservices
- Strong experience with Spring Boot stack (spring cloud, spring-data)
- Extensive experience in developing and consuming REST APIs
- Experience in Kafka distributed messaging
- Hands-on experience in Redis, Apache Ignite, Hazelcast
- Strong experience in RDMS and NoSQL databases Mongo
- Experience in using Elastic Search
- Experience in profiling applications
- Strong analytical skills and general logical reasoning
- Excellent written and verbal communication skills.
- Good understanding of Software development life cycle (SDLC)
- Basic SQL queries









