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· Minimum 4-18 Years of Core Java Programming with spring boot Framework,Design patterns Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object Oriented Concepts and Data Structures
Location - Only Bangalore
Notice period - Immediate or Serving

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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We are India’s fastest-growing digital trust platform offering services such as background verifications, reference checks, employee/staff onboarding, etc. We have completed more than 500+ million checks across 3000+ happy clients and since its inception, the company has shown continuous uptrend growth in an ever-changing business environment. As an organization, we are self-sustainable with positive cash flows.
At OnGrid, we are focused on redefining and reimagining Trust. We are leveraging APIs to build a digital trust platform all while being accountable that provides verified credentials instantly coming from the source directly. Having built the basic pillars of trust, we now want our imaginations to be let loose and think of avenues not explored and ways never implemented before. In this pursuit, we are looking for a motivated Staff Engineer (Backend) with experience in building high-performing, scalable, enterprise-grade applications, joining us, driving this vision, and taking it to a larger scale. If you are a visionary, always on the lookout for finding the right solutions, and a technology geek, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for.
Roles & Responsibilities -
● Develop new user-facing features.
● Work alongside product to understand our requirements, and design, develop and iterate, think through the complex architecture.
● Writing clean, reusable, high-quality, high-performance, maintainable code.
● Encourage innovation and efficiency improvements to ensure processes are productive
● Ensure the training and mentoring of the team members
● Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.
● Research and apply new technologies, techniques, and best practices.
Requirements -
• Bachelors/Masters in Computer Science or a related field
• 5 - 10 years of prior relevant experience
• Experience with web technologies and microservices architecture
• Java, Spring framework
• MySQL, Mongo, Solr, Redis,
• Kubernetes, Docker
• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story • Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
• Exceptional design and architectural skills
• Experience of cloud providers/platforms like GCP and AWS
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products ○ Spring ○ PostgreSQL ○ Redis ○ Docker ○ Message brokers ○ GitHub
● These non-functional areas are familiar to you ○ Performance ○ Debugging ○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for me?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
Product Based Client:
A multinational technology and e-commerce company based in the United States is widely recognized as one of the world's largest online retailers. In addition to e-commerce, it is a major player in cloud computing through its cloud services division and has expanded into areas such as streaming services, artificial intelligence, and smart devices.
Essential Job Functions:
Top 3 responsibilities
• Taking for operational work.
• Monitoring data pipelines.
• Addressing/Triaging customer tickets
Qualifications:
Exp: 1+ Years
• Skillset:Core Java, Data Structures, Al
Egen is a data engineering and cloud modernization firm helping industry-leading companies achieve digital breakthroughs and deliver for the future, today. We are catalysts for change who create digital breakthroughs at warp speed. Our team of cloud and data engineering experts are trusted by top clients in pursuit of the extraordinary. An Inc. 5000 Fastest Growing Company 7 times, and recently recognized on the Crain’s Chicago Business Fast 50 list, Egen has also been recognized as a great place to work 3 times.
You will join a team of insatiably curious data engineers, software architects, and product experts who never settle for "good enough". Our Java Platform team's tech stack is based on Java8 (Spring Boot) and RESTful web services. We typically build and deploy applications as cloud-native Kubernetes microservices and integrate with scalable technologies such as Kafka in Docker container environments. Our developers work in an agile process to efficiently deliver high value data driven applications and product packages.
Required Experience:
- Minimum of Bachelor’s Degree or its equivalent in Computer Science, Computer Information Systems, Information Technology and Management, Electrical Engineering or a related field.
- Have experience working and strong understanding of object-oriented programing and cloud technologies
- End to end experience delivering production ready code with Java8, Spring Boot, Spring Data, and API libraries
- Strong experience with unit and integration testing of the Spring Boot APIs.
- Strong understanding and production experience of RESTful API's and microservice architecture.
- Strong understanding of SQL databases and NoSQL databases and experience with writing abstraction layers to communicate with the databases.
Nice to have's (but not required):
- Exposure to Kotlin or other JVM programming languages
- Strong understanding and production experience working with Docker container environments
- Strong understanding and production experience working with Kafka
- Cloud Environments: AWS, GCP or Azure
AvatarSoft is a team of seasoned "Temenos T24 Certified" IT Professionals with over 20 years' combined experience in Financial Transformation. We are a growing company across 3 continents and 4 countries deployed in an offshore and onsite model. Our professionals have worked in major Software firms, Consultancy firms, Financial Institutions, and Credit Unions across the globe.
Avatarsoft is a rapidly evolving banking software consulting firm that renders leading edge to its clients . Avatarsoft brings profound expertise, resolute culture and provides strategical T24 / Transact transformation solutions through cutting edge services. We embrace our journey, by striving to remain the trusted and ethical business partner that delivers IT consulting to implement Temenos T24 Transact / Infinity, banking transformation projects and provides business value to our clients and etc,.
Our Locations: Canada, U.S.A, Netherlands, Mexico, India(Chennai), UAE.
This is for our Chennai Office , however work from home can be considered during pandemic or lockdowns .
- Java / JavaScript Developer Job Description (Minimum 2 years Experience in Java)
- Good in Core Java, Multithreading, J2EE, web services (REST, SOAP).
- In-depth knowledge on Java Script and object-oriented technique .
- Should be able to work independently
- Familiar on Front-end technologies like AngularJS or Node JS or Spring boot is a real Plus
You will:
- Be actively involved in strategic direction and product decisions.
- Architect and design new services and features
- Be the go-to person for debugging performance issues on the platform and customer environments
- Dive deep into open source data engines and work on optimizing their performance.
- Design, build, and maintain low latency APIs.
- Mentor and guide the engineering team on best practices and software architecture
- Work closely with our customers and sales teams on a regular basis to carve out new features and use cases
- Develop services that will be consumed by frontend and solution engineers.
You need:
- 12+ years of strong development experience in one or more general programming languages. JVM (Java, Scala, Kotlin) or Golang
- Strong Computer Science fundamentals in data structures, algorithm design, and problem-solving.
- Strong distributed systems knowledge, and experience shipping enterprise software
- SQL mastery and overall experience working with Data storage and retrieval systems
- Organized, thorough, and detail-oriented
Good to have:
-
Contribution to open-source projects.
- Background in enterprise software
- JVM performance tuning and debugging
• Minimum 8+ Years of software development/programming experience.
• Any Bachelor’s or Master’s degree, not limiting to Engineering.
• Must be detail oriented.
• Experience with Agile methodologies.
• Strong communication skills and fluent in English (written and spoken)
• Keywords are team player, proactive, attention to detail, independent, strong analytical skills and
the ability to adapt to new challenges
Responsibilities:
• 8+ Years of software development/programming experience
• 3+ Years of experience in Drop-wizard/Spring Boot Microservice
• Strong experience building multi-threaded applications using Java 8 and above
• Experienced in Agile development methodologies / Continuous Integration
• Java Design Patterns
• Amazon AWS EC2/S3/RDS
• OpenAPI, Contract first development experience
• Strong Java Concurrency (Java Threading)
• DDD (Domain Driven Design)
• Testing frameworks Like Mockito
• Test driven development experience
• JIRA, Git, Github and Github actions
# Responsibilities:
- Build the APIs and internal mechanisms of the backend across all our services.
- Architect and provide guidance on building end-to-end systems optimized for speed and scale.
- Build and lead engineering teams to achieve product roadmap milestones.
- Oversee the research and development of new products and technologies.
- Engage with inspiring designers and front-end engineers, and collaborate with leading back-end engineers as we create reliable APIs
- Represent and evangelize engineering team in events, talks, conferences, etc.
- Be available for troubleshooting in case of backend emergencies.
# Requirements:
- Bachelor's in Computer Science or any Engineering domain with experience in Software Programming.
- 2-5 years of experience building large-scale software applications.
- Highly proficient with Java and knowledge of the many intricacies of Spring Boot.
- Proficient with MongoDB and Redis. Knowledge of Aerospike, other databases would be a bonus.
- Good understanding of distributed systems (servers, databases, etc.).
- Positive and solution-oriented mindset and comfort working in a highly agile, intensely iterative software development environment.
- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and
Correcting software defects.
- Review and analyse business requirements and provide technical software defects.
Key Skills:
- Good understanding of algorithms, data structures & design patterns
- Thorough understanding of core Java, Spring framework
- Experience with Spring Boot to bootstrap applications
- Good understanding and working experience with RESTful web services
- Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
- Self-starter who can think outside of the box, and come up with a solution to resolve and mitigate complex problems
- Experience working in an Agile development environment using methodologies like Scrum and tools like JIRA, Confluence, etc Experience.Comfortable with MYSQL,Mongodb
Role & Responsibilities:
- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and correcting software defects
- Review and analyze business requirements and provide technical feasibility and estimates
- 2-4 years of work experience developing Java-based backend applications. Around 1 year of work experience e using Spring Boot, Spring Cloud and Microservices.

