
Key Responsibilities:
- Design, develop, and maintain robust and scalable backend applications using Core Java and Spring Boot.
- Build and manage microservices-based architectures and ensure smooth inter-service communication.
- Integrate and manage real-time data streaming using Apache Kafka.
- Write clean, maintainable, and efficient code following best practices.
- Collaborate with cross-functional teams including QA, DevOps, and product management.
- Participate in code reviews and provide constructive feedback.
- Troubleshoot, debug, and optimize applications for performance and scalability.
Required Skills:
- Strong knowledge of Core Java (Java 8 or above).
- Hands-on experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security).
- Experience in designing and developing RESTful APIs.
- Solid understanding of Microservices architecture and related patterns.
- Practical experience with Apache Kafka for real-time data processing.
- Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, or MongoDB.
- Good understanding of CI/CD tools and practices.
- Knowledge of containerization tools like Docker is a plus.
- Strong problem-solving skills and attention to detail.

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
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Role Overview:
We are seeking an experienced Lead Backend Web App Developer to design and maintain scalable, cloud-based backend systems. This role demands expertise in microservices, AWS, and backend technologies to deliver efficient and high-performing applications.
Key Responsibilities:
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- Backend Technologies: Proficiency in Python, Node.js, and Java.
- Cloud Expertise: Strong experience with AWS services (Lambda, SQS, SNS).
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- Microservices Architecture: Deep understanding of distributed systems and scalability.
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Job Title : Python Django Developer
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Location : Gurgaon Sector - 48
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We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
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Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
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 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.
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.
About AMAZECH SOLUTIONS
Amazech Solutions is a Consulting and Services company in the Information Technology Industry. Established in 2007, we are headquartered in Frisco, Texas, U.S.A. The leadership team at Amazech brings to the table expertise that stems from over 40-man years of experience in developing software solutions in global organizations in various verticals including Healthcare, Banking Services, and Media & Entertainment
We currently provide services to a wide spectrum of clients ranging from start-ups to Fortune 500 companies. We are actively engaged in Government projects, being an SBA approved company as well as being HUB certified by the State of Texas.
Our customer-centric approach comes from understanding that our clients need more than technology professionals. This is an exciting time to join Amazech as we look to grow our team in India which comprises of IT professionals with strong competence in both common and niche skill areas.
Job Description
Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? You will be part of a large group of makers, breakers, doers, and disruptors, who love to solve real problems and meet real customer needs.
We are seeking Software Engineers who are passionate about marrying data with emerging technologies to join our team. You will have the opportunity to be on the forefront of driving a major transformation and create various products that will disrupt and reimagine technology solutions by working with the best minds in the industry.
Location: Bangalore, Pune (Hybrid / Remote)
Experience: 5-13 years
Employment type: Full time.
Permanent website: www.amazech.com
Role Description
This is a full-time Java Backend Developer role, based in Bengaluru with flexible remote work option. The Java Backend Developer will be responsible for designing, developing, and delivering complex Java-based applications and providing end-to-end support throughout the software development lifecycle. The successful candidate will collaborate with cross-functional team members, gather and analyze requirements, identify and prioritize technical and functional requirements and provide innovative solutions to address business challenges.
Qualifications
- Bachelor's or Master's degree in Computer Science (or equivalent technical degree)
- 5+ years of hands-on software development experience in Java/J2EE
- Experience in defining software architecture, design patterns, and solution design
- Strong experience in microservices architecture, Angular, Spring Boot Framework, Hibernate, and Web Services (SOAP and REST)
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- Strong knowledge in database design, SQL query optimization, and performance tuning
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- Excellent communication, analytical, and problem-solving skills
- Experience and knowledge of Agile methodologies
- Experience with AWS, GCP, Microsoft Azure, or another cloud services
- Proven ability to work well under pressure and deliver high-quality work within tight deadlines
Other Requirements
- Bachelor's or Master's degree in Computer Science (or equivalent technical degree)
- Strong interpersonal and relationship-building skills.
- Ability to work independently and as part of a team.
- Excellent verbal and written communication skills and ability to communicate effectively with international clients.

www.opcito.com
Job Description:
We are seeking a dedicated Golang Developer with 2+ years of experience to join our growing company. You will collaborate with other technical staff to deliver and maintain a fully functional software implementation. We hope you can put your passion for software engineering to work to create highly immersive user applications.
Required Skills:
• 2 - 7 years of Industry experience in the relevant domain.
• Good working knowledge of distributed systems and de-coupled architecture.
• Working knowledge of Container technologies: Kubernetes (preferred), Docker, etc.
• Working knowledge of VMware VCenter, VMware ESXi and VM management.
• Self-motivated, with ability and interest in learning new technologies and adapting quickly to new requirements.
• Good team player with a great attitude to learn.
• Ability to iterate fast in an agile environment.
• Strong analytical and problem-solving skills.
• Strong interpersonal skills - must be able to work effectively as part of a project/ program team and foster team cooperation.
• Must be able to effectively communicate technical information to both technical and non-technical personnel
Responsibilities:
• Design and Development of NSX-ALB's Upgrade and Gslb Infrastructure projects by adhering to the cloud and distributed networks' native design principles.
• Develop software for scale that would be deployed at different types of cloud infrastructures.
• Take ownership of your design and development activity by resolving bugs found in unit testing, system testing and customer deployments.
• Develop multi-cluster/multi-cloud workflows and define industry roadmaps for adoption.
• Develop low latency and high-performance solutions with fully automated test suites.
• Code in Golang for most of your day with a working knowledge of Python.
• Adaptability and multi-language proficiency (shell, Python, Golang)
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We are a dynamic company that believes in designing transformation solutions for our customers with our ability to unify quality, reliability, and cost-effectiveness at any scale. Our core work culture focuses on adding material value to client products by leveraging best practices in DevOps like continuous integration, continuous delivery, and automation, coupled with disruptive technologies like cloud, containers, serverless computing, and microservice-based architectures.
Here are some of the perks of working with Opcito:
- Outstanding career development and learning opportunities
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Job Title -Senior Java Developers
Job Description - Backend Engineer - Lead (Java)
Mumbai, India | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organisation!
The Impact you will create:
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
- Building highly available & horizontally scalable platform services for ever growing data
- Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
- Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
- You will build backend services and APIs to create scalable engineering systems.
- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
- You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
- Identify and improvise areas of improvement through data insights and research.
What we look for?
- 5-9 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
- Solid understanding of engineering best practices, continuous integration, and incremental delivery.
- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
- Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
- Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
- Knowledge about versioning like Git and deployment processes like CICD.
What’s in it for you?
- Immense growth, continuous learning and deliver the best to the top-notch brands
- Work with some of the most innovative brains
- Opportunity to explore your entrepreneurial mind-set
- Open culture where your creative bug gets activated.
If this sounds like a company you would like to be a part of, and a role you would thrive in, please don’t hold back from applying! We need your unique perspective for our continued innovation and success!
So let’s converse! Our inquisitive nature is all keen to know more about you.
Skills
JAVA, MONGO, Redis, Cassandra, Kafka, rabbitMQ
- 6-9 years of strong development skills in Java JDK 1.8 or above.
- Experience in developing micro services in Spring Boot or Node.js.
- Experience in security, transaction, Idempotency, log tracing, distributed caching, monitoring and containerization requirements of Micro services
- Experience in developing High Cohesion & Loosely Coupled Micro Services.
- Strong acumen in Data Structures, Algorithms, problem-solving and Logical/Analytical skills.
- Thorough understanding design principles and implementation of different type of Design patterns.
- Sound understanding of concepts like Exceptional handling, Serialization/ Deserialization and Immutability concepts, etc.
- Good fundamental knowledge in Enums, Collections, Annotations, Generics, Autoboxing, etc.
- Experience with Multithreading, Concurrent Package and Concurrent APIs
- Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
- Hands-on experience with JMS
- Hands-on experience in creating RESTful webservices and consuming webservices
- Hands-on experience with Spring Boot and Spring cloud.
- Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
- Experience of writing Junit test cases using Mockito / Powermock frameworks.
- Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
- Good communication skills and ability to work with global teams to define and deliver on projects.
- Sound understanding/experience in software development process, test-driven development.
Additional Information
- Gender-Neutral Policy
- 18 paid holidays throughout the year for NCR/BLR (22 For Mumbai)
- Generous parental leave and new parent transition program
- Flexible work arrangements
- Employee Assistance Programs to help you in wellness and well being
- 3+ years of professional software development experience
- 3+ years of object-orientedJava/ J2EE development
- Full SDLC experience (requirements gathering, architecture, development, QA, etc…)
- Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- Experience with SOAP / REST web services
- Knowledge of SQL
- Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
- Understanding concepts of CDN & Content Management
- Must have worked on any one messaging solutions
- Bonus Points for micro service design and development experience
- Bonus points for any mobile development experience
- Used Agile methodology
- Experience leading or working with cross geography teams
- Bonus Points for experience working on Unix, shell scripting & Build Systems
- Experience in performance optimization is an added advantage
POSITION
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
- Primary role in software development with object-orientedJava
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
- Drive the implementation of new technologies which improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
QUALIFICATION
- A Bachelor’s degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation and accolades are a plus
- Expertise in Java Microservices, Spring, Spring boot MongoDB and Redis
- Hands-on programming skills
- Proficient communication skills
Job Description
Paytm is looking for hands-on technologists, who will be responsible for architecting & designing new age mobile & web 3.0 products at Paytm.
Key Responsibilities
Incumbent will be architecting our futuristic mobile & web 3.0 products and choose the best
technologies, components and subsystems on different server side tech.
Driving innovations in the product constantly to remain ahead of the curve.
Serve as a thought leader and mentor on technical, architectural, design and related issues.
Proactively identify architectural weaknesses and recommend appropriate solutions.
Balance short-term versus long-term actions, strategic versus tactical requirements, while
continuing to move forward towards the strategic vision.
Collaborate with cross functional teams to solve complex problems and building products
spanning across multiple teams to deliver end-to-end products & features.
Estimates efforts, identify risks, devises and meets project schedules.
Provide functional, design, and code reviews in related areas of expertise with-in team and
cross-team.
Mentor / coach engineers to facilitate their development and provide technical leadership to
them.
Skills required
MS or BS/B.Tech in computer science or equivalent experience from top college.
3+ years of strong software design/development experience in building massively large scale
distributed internet systems and products.
Hands-on experience in Advanced Java/ Node.JS/other backend JavaScript
frameworks, MySQL/NoSQL, golang, etc.
Excellent data structure & algorithm and problem solving skills.
Experience and knowledge of open source tools & frameworks, broader cutting edge
technologies around server side development.
Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github,
Google Developer Groups (GDGs).
Superior organization, communication, interpersonal and leadership skills.
Must be a proven performer and team player that enjoy challenging assignments in a high-
energy, fast growing and start-up workplace.
Must be a self-starter who can work well with minimal guidance and in fluid environment.

