
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/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. 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. - 3 to 8 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. 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.

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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Backend Engineering Intern (Infrastructure Software) – Remote
Position Type: Internship (Full-Time or Part-Time)
Location: Remote
Duration: 12 weeks
Compensation: Unpaid (***3000 INR is just a placeholder***)
About the Role
We are seeking a motivated Backend Developer Intern to join our engineering team and contribute to building scalable, efficient, and secure backend services. This internship offers hands-on experience in API development, database management, and backend architecture, with guidance from experienced developers. You will work closely with cross-functional teams to deliver features that power our applications and improve user experience.
Responsibilities
- Assist in designing, developing, and maintaining backend services, APIs, and integrations.
- Collaborate with frontend engineers to support application functionality and data flow.
- Write clean, efficient, and well-documented code.
- Support database design, optimization, and query performance improvements.
- Participate in code reviews, debugging, and troubleshooting production issues.
- Assist with unit testing, integration testing, and ensuring system reliability.
- Work with cloud-based environments (e.g., AWS, Azure, GCP) to deploy and manage backend systems.
Requirements
- Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or related field.
- Familiarity with one or more backend languages/frameworks (e.g., Node.js, Python/Django, Java/Spring Boot, Ruby on Rails).
- Understanding of RESTful APIs and/or GraphQL.
- Basic knowledge of relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Familiarity with version control (Git/GitHub).
- Strong problem-solving skills and attention to detail.
- Ability to work independently in a remote, collaborative environment.
Preferred Skills (Nice to Have)
- Experience with cloud services (AWS Lambda, S3, EC2, etc.).
- Familiarity with containerization (Docker) and CI/CD pipelines.
- Basic understanding of authentication and authorization (OAuth, JWT).
- Interest in backend performance optimization and scalability.
What You’ll Gain
- Hands-on experience building backend systems for real-world applications.
- Exposure to industry-standard tools, workflows, and coding practices.
- Mentorship from experienced backend engineers.
- Opportunity to contribute to live projects impacting end users.
Job Description:
- Location - Bangalore / Mumbai
- Notice period - Immediate to serving up to - oct 1st week
- Exp. - must be 5 -12 yrs
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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 Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- Good development experience with RDBMS, preferably Sybase database.
- Good knowledge of multi-threading and high-volume server-side development.
- Experience in sales and trading platforms in investment banking/capital markets.
- Basic working knowledge of Unix/Linux.
- Experience into High /Low level designing.
- Excellent problem solving and coding skills in Java.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Integration Developer
ROLE TITLE
Integration Developer
ROLE LOCATION(S)
Bangalore/Hyderabad/Chennai/Coimbatore/Noida/Kolkata/Pune/Indore
ROLE SUMMARY
The Integration Developer is a key member of the operations team, responsible for ensuring the smooth integration and functioning of various systems and software within the organization. This role involves technical support, system troubleshooting, performance monitoring, and assisting with the implementation of integration solutions.
ROLE RESPONSIBILITIES
· Design, develop, and maintain integration solutions using Spring Framework, Apache Camel, and other integration patterns such as RESTful APIs, SOAP services, file-based FTP/SFTP, and OAuth authentication.
· Collaborate with architects and cross-functional teams to design integration solutions that are scalable, secure, and aligned with business requirements.
· Resolve complex integration issues, performance bottlenecks, and data discrepancies across multiple systems. Support Production issues and fixes.
· Document integration processes, technical designs, APIs, and workflows to ensure clarity and ease of use.
· Participate in on-call rotation to provide 24/7 support for critical production issues.
· Develop source code / version control management experience in a collaborative work environment.
TECHNICAL QUALIFICATIONS
· 5+ years of experience in Java development with strong expertise in Spring Framework and Apache Camel for building enterprise-grade integrations.
· Proficient with Azure DevOps (ADO) for version control, CI/CD pipeline implementation, and project management.
· Hands-on experience with RESTful APIs, SOAP services, and file-based integrations using FTP and SFTP protocols.
· Strong analytical and troubleshooting skills for resolving complex integration and system issues.
· Experience in Azure Services, including Azure Service Bus, Azure Kubernetes Service (AKS), Azure Container Apps, and ideally Azure API Management (APIM) is a plus.
· Good understanding of containerization and cloud-native development, with experience in using Docker, Kubernetes, and Azure AKS.
· Experience with OAuth for secure authentication and authorization in integration solutions.
· Strong experience level using GitHub Source Control application.
· Strong background in SQL databases (e.g., T-SQL, Stored Procedures) and working with data in an integration context.
· Skilled with Azure DevOps (ADO) for version control, CI/CD pipeline implementation, and project management.
· Experience in Azure Services, including Azure Service Bus, Azure Kubernetes Service (AKS), Azure Container Apps, and ideally Azure API Management (APIM) is a plus.
GENERAL QUALIFICATIONS
· Excellent analytical and problem-solving skills, with a keen attention to detail.
· Effective communication skills, with the ability to collaborate with technical and non-technical stakeholders.
· Experience working in a fast paced, production support environment with a focus on incident management and resolution.
· Experience in the insurance domain is considered a plus.
EDUCATION REQUIREMENTS
· Bachelor’s degree in Computer Science, Information Technology, or related field.
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
Architect
Experience - 12+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability
requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate architects eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in
constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence.
Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups.
You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
● Relevant experience of 12+ years building high-performance applications with at least
3+ years as an architect.
● Good problem solving skills
● Strong mentoring capabilities
● Good understanding of software development life cycle
● Strong experience in system design and architecture
● Strong focus on quality of work delivered
● Excellent verbal and written communication skills
Required Technical Skills
● Extensive hands-on experience building high-performance applications using Node.Js
(Javascript/Typescript) and .NET/ Golang / Java / Python.
● Strong experience with appropriate framework(s).
● Well versed in monolithic and microservices architecture.
● Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
● Experience working with 3rd party integrations ranging from authentication, cloud
services, etc.
● Hands-on experience with Kafka or RabbitMQ.
● Hands on experience with CI/CD pipelines and atleast 1 cloud provider - AWS / GCP / Azure
● Strong experience writing and maintaining clear documentation
Good to have skills:
● Experience working with frontend technologies - React.Js or Vue.Js or Angular.
● Extensive experience consulting with customers directly for defining architecture or system design.
● Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
Need ASAP Joiners!!
Interested Who can Join in maximum of 30 days please share your updated profile with the below-mentioned necessary details
Job Role : Backend Engineer / Sr. Backend Engineer
As a Senior Backend Platform Engineer, you will work closely with engineers/scientists in a small, but fast-growing, team environment while i) applying the state of the art AI technologies in the field of deep learning and computer vision to design and develop the user recommendation platform to help our users to find their best matches and ii) building scalable and reliable backend API services to serve massive volume of client traffic while ensuring best user experience. A successful candidate will have strong technical skills and a motivation to achieve results in a fast-paced environment.
In this Senior Backend Platform Engineer role, you will:
- Design, develop, and operate resilient distributed services that run on ECS or Kubernetes to serve hundreds of millions of users around the world
- Collaborate with various functional teams on expansion of our recommendation systems
- Influence the roadmap and product development of KlearNow App and services
- Recruit, inspire, and develop team members
We're looking for:
- BS/MS in Computer Science or equivalent with 1-5 or 5-10 years minimum industrial working experiences
- Excellent knowledge of Computer Science fundamentals, with strong competencies in data structures, algorithms, software design and coding
- Strong designing and building distributed backend systems handling high volumes of traffic
- Experience in handling ambiguous business requirements with excellent prioritization, time management abilities, and a focus on execution
- Passion to solve complex problems and make continuous improvements
- Experience in Search and Recommendation Systems preferred
- Excellent knowledge and experience on a backend language, like Java, Scala, Go, Node.js, etc.
Bonus points if you have:
- Experience in design and development using NoSQL, such as DynamoDB, Cassandra, or RocksDB
- Experience with Aerospike, ElasticSearch, Kafka, and Spark
- Experience with Agile development methodology and CI/CD
- Experience with Docker containers along with Kubernetes or ECS
If you wish to know more on the opportunity and like to pursue this further, then I would suggest that you share your updated CV and suggest a good time when we could connect.
Why us
KlearNow is operational and a certified Customs Business provider in US, Canada and UK with plans to grow in many more markets in near future. Be a part of a rapidly growing company where you will have the opportunity to extend our leadership position and fast-track innovation behind AI-powered intelligent supply chain solutions.
Over and above the core customs clearance solution, KlearNow is also providing consolidated freight visibility, data and document management and intra-port activity for efficient Drayage.
To know more about KlearNow, please visit our website https://www.klearnow.com/">https://www.klearnow.com/
KlearNow has a flexibility of a small start-up with the security of a well-funded organization with strong backers and advisors.
KlearNow is transforming B2B supply chains with its smart Logistics as a Service (LaaS) platform that connects data, people, processes, and organizations. Its AI-powered platform digitizes paper-based transactions—streamlining customs clearance and drayage services. KlearNow empowers importers, exporters, freight forwarders, and supply chain partners by providing new levels of visibility and productivity to reduce costs and create enhanced customer experiences
Over and above the core customs clearance solution, KlearNow is also providing consolidated freight visibility, data and document management and intra-port activity for efficient Drayage.
KlearNow grows, we’re looking for an Engineering Leader who is passionate about people growth and organizational development. This is a unique opportunity to help build the products and practices that will support KlearNow growth over the next round of funding. In this role, you will reimagine enterprise logistics software and build global products that enable KlearNow expand in Americas, Europe and Asia.
Be a part of a rapidly growing, series B funded tech company where you will have the opportunity to extend our leadership position and fast-track innovation behind AI-powered intelligent supply chain solutions.
We are looking for a Tech with a proficiency in backend technologies to design, develop a new state-of-the-art, paradigm changing product in software development. Responsibilities include evaluating technologies, developing proof-of concept prototypes, designing, and developing complete end-to-end products.
What would you be doing?
- should be able to mentor, guide, and train other engineers.
- should also be able to work with different stakeholders such as business owners, leadership, and customers.
- able to evaluate the business requirements, performance constraints, trade-offs and system limitations when developing software.
- should be well versed with new technologies and software development practices and be able to judge the trade-offs to make well thought out decisions, design choices and build the system for extensibility and robustness.
- The Django developer will be part of the core engineering team, entrusted with the complete architecture, design and development of the product.
- Work on a great product which empowers next generation entrepreneurs from its early phase
What makes you a suitable candidate?
- 1+ years of experience in designing and developing large scale, complex software applications
- Strong analytical, problem solving and design skills
- Strong knowledge of data structure, algorithms, and coding
- Proven experience in any high-level programming languages like Python, Django, DRF, Elasticsearch etc
- Knowledge of MVC architecture and hands-on experience with Spring, Spring security, Spring boot, and Hibernate framework
- Proven experience in database technologies (SQL, NoSQL, MongoDB).
- Working knowledge of developing Restful Micro services, ORM technologies etc
- Experience in container-based deployments
- Working experience in Amazon DynamoDB, Docker, AWS-Lambda
- Experience with Messaging technologies like Kakfa, RabbitMQ, redis etc
- Ability to multitask
- Good communication, organizational and leadership skills
· Experience in object-oriented design/programming and proven experience as a Software Developer
· Experience with software design and development in a test-driven environment.
· Self-starter with high level of commitment and motivation
Product Developer Competencies required: 1.5+ Years of Software Development Experience. 2.Deep knowledge in either one of the following set a)Core Java, Multi Threading, Spring, Security, JVM Troubleshooting, Build Automation, Scripting. b)Spring MVC, Multi Threading,JSP, Servlets, AJAX, HTML5,JQuery, Angular JS, JavaFX, Web Security. 3.Having knowledge or experience about below is plus a)SOAP, Restful Webservices, NoSQL, Messaging System, Distributed In-Memory DataGrid , ExtJS, JavaFX 4.Able to adopt and understand new technologies and utilize them efficiently 5.Passionate about code quality and readability 6.Basic experience and knowledge of UNIX 7.Excellent communication skills - essential to effective collaboration within the team and our clients across the globe. 8.Computer Science Degree or Technical equivalent, MS a plus









