*) 7+ years of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate, JPA, Microservices)
*) Experience with working on Java 8.0 and its emerging road map for 11
*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB
*) Hands on experience in working with Angular 6 and above. Experience working with product management and UI/UX designers having knowledge of advanced Javascript, JQuery
*) Working knowledge on components, modules, data/event bindings, templates, using and creating directives, writing routes, services, forms and models
*) Solid understanding of the full frontend and backend development life cycle
*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)
*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and Swagger and Postman is required
*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT would be an added advantage
*) Experience with TDD, code testability standards, JUnit
*) Experience in managing configurations and deploying and hosting applications in AWS
*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of development
*) Good experience of OOPS, algorithms, data structures, multi-threading, design patterns and industry best practices
*) Must have good understanding in SOLID principles and why design principles are used.
*) Experience with Eclipse/IntelliJ and VS Code

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Wissen Technology is now hiring for a Java Developer - Bangalore 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.
Experience: 4-8 years
Required Skills:
- 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.
Oister Global (www.oisterglobal.com) is India’s premier Alternative Assets Manager. We combine robust diligence, deep domain expertise, and an extensive network to create high quality private market opportunities for our investors.
We are seeking a Senior Backend Developer who will be pivotal in architecting and developing scalable, reliable backend systems from scratch. You will work closely with product managers, designers, and other engineers to build new products, design backend architectures, and ensure high performance and responsiveness of the systems. This role requires strong backend fundamentals, cloud experience, a deep understanding of databases, and a passion for system design and architecture.
Key Responsibilities:
● Product Development: Architect, design, develop, test, and deploy new backend products and features from scratch.
● System Design: Take ownership of system design and architecture decisions for new modules, ensuring scalability, reliability, and security. ● API Development: Build efficient and reusable APIs and backend services using Node.js.
● Database Management: Design data models, optimize queries, and manage MongoDB clusters efficiently.
● Cloud Management: Deploy, maintain, and optimize services on AWS, ensuring high availability and performance.
● Best Practices: Maintain coding standards, ensure code reviews, and champion best practices in security, testing, and maintainability.
● Collaboration: Work closely with frontend developers, product managers, QA, and other cross-functional teams to define, design, and ship new features.
● Performance Optimization: Monitor system performance and ensure system uptime and responsiveness.
● Mentorship: Provide guidance and mentorship to junior developers as required.
● Documentation: Maintain thorough documentation of systems, processes, and best practices. Must-Have
Qualifications:
● Education: Bachelor’s degree in computer science, Software Engineering, or a related technical field.
● Experience: 4–5+ years of hands-on backend development experience.
● Expertise in: Node.js (Express.js, Nest.js or similar frameworks) MongoDB (including indexing, replication, sharding concepts) AWS Services (EC2, S3, Lambda, RDS, API Gateway, CloudWatch, IAM, etc.) Proficient in: System design principles Microservices architecture Event-driven architecture Strong understanding of: RESTful APIs.Authentication and authorization best practices (OAuth, JWT) Experience with: CI/CD pipelines Docker and containerization principles Hands-on experience in: Building scalable, distributed, and fault-tolerant systems Good knowledge of : Logging, monitoring, and debugging distributed applications
In your role as Software Engineer/Lead, you will directly work with other developers, Product Owners, and Scrum Masters to evaluate and develop innovative solutions. The purpose of the role is to design, develop, test, and operate a complex set of applications or platforms in the IoT Cloud area.
The role involves the utilization of advanced tools and analytical methods for gathering facts to develop solution scenarios. The job holder needs to be able to execute quality code, review code, and collaborate with other developers.
We have an excellent mix of people, which we believe makes for a more vibrant, more innovative, and more productive team.
- A bachelor’s degree, or master’s degree in information technology, computer science, or other relevant education
- At least 5 years of experience as Software Engineer, in an enterprise context
- Experience in design, development and deployment of large-scale cloud-based applications and services
- Good knowledge in cloud (AWS) serverless application development, event driven architecture and SQL / No-SQL databases
- Experience with IoT products, backend services and design principles
- Good knowledge at least of one backend technology like node.js (JavaScript, TypeScript) or JVM (Java, Scala, Kotlin)
- Passionate about code quality, security and testing
- Microservice development experience with Java (Spring) is a plus
- Good command of English in both Oral & Written
subjective homework by choosing from a question bank. It also gamifies
homework for students.
It helps teachers evaluate homework/assignments 10x faster and captures
100x more data points than any other existing system.
While the app automates the teacher’s job, it fundamentally disrupts education by
replacing marks/grades with data-driven analysis. It is a free mobile homework app.
JD For Node (backend):
Hands-on technologists, who will help us architect and design large-scale, multi-tiered, microservice based distributed software systems and services using object-oriented design, distributed programming, PHP, NodeJS, Python etc.
Responsibilities:
Collaborate with cross functional teams, gathering business and functional requirements, to solve complex problems by building high volume transactional systems that handle massive data and high traffic.
Be a part of the full development life cycle, end-to-end from scoping, effort estimation, risk identification, implementation and testing, while meeting project schedules and timelines.
Work on (and recommend) the best technologies, components on server side tech. Proactively identify architectural weaknesses, design issues, performance and scalability issues, and recommend solutions.
Complete ownership of problem-free execution of owned modules and solutions, with focus on code optimisation, code quality, maintainability etc.
Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
Requirements:
BE/B.Tech in computer science or equivalent experience from top college, with 3-6 years of hands-on experience in design/development of building massively large scale, microservice based, high traffic Node.js applications (including Socket.io and Express or similar)
Excellent data structure & algorithm and problem solving skills, full-stack knowledge and (preferred) application architectural experience and/or understanding
Proficiency in multiple programming languages, both dynamic and strongly typed object oriented languages. Knowledge of one or more of: PHP, Python, Couchbase, DynamoDB, NoSQL, Terraform, Cassandra, Redis, AWS etc.
End user-focused, react well to changes, work with teams and be able to multitask while enjoying challenging assignments in a high-energy, fast growing and start-up workplace.
Familiarity with Agile development, Scrums, continuous integration, and test driven development processes.
Prior startup experience of large scale B2C product company background is preferred.
standing of Java and the different frameworks like Spring, etc., and have experience working on Cloud and Containers.
The Developer will perform duties and tasks to support a complete life cycle management (example: Analysis, Technical
Requirements, Design, Coding, Testing and implementation of Systems, etc.).
The Developer will work closely with the Product and Technical teams across different regions primarily Europe and will
be part of an Agile Team. The role includes research and Continuous Development of new Products based on new Tech-
nologies. This position collaborates with the operations team routinely and henceforth excellent English communication
skills (bothwritten and verbal) are essential.
A clean coder who will always leave the code in better shape than they found it.
A curious person who never stops learning and loves to try new things, even when theydon’t succeed on the
first try
A team-oriented developer with the motivation to bring out the best in others
A person who shares our appreciation for transparency and is willing to share theirexperience and knowledge
for the benefit of the team
Someone who is willing to take a stand for something they believe in.
Somebody that takes pride in their work and knows that development is a craftsmanship
Duties & Responsibilities
Conducts systems and requirements analysis, creates and contributes to task lists, cost and time analysis
Performs assigned functions and tasks to meet project plan and quality review requirements.
Raises issues as appropriate to support effective resolutions.
Analyzes specifications and user requirements to perform assigned applications development work.
Assists with system and componentdesigns to meet requirements.
Participates and documents design and code reviews to improve quality.
Analyzes, designs, codes, tests, and documents to develop application software.
Develops unit tests and unit test plans to deliver quality code.
Performs applications maintenance and support functions to support problem resolution.
Qualifications:
• Bachelor’s degree in Computer Science or IT related field
• 4-7 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. Java (Spring, Spring Boot, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Messaging (RabbitMQ, ActiveMQ, Kafka etc.)
f. Agile Methodologies (Scrum, TDD, BDD, etc.)
g. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
h. Data Structures and Algorithms using Java or other Programing Languages
i. Strong organizational skills
j. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Multiple Java technologies around Spring, Spring Bootetc.
c. Design Patterns and implementing the Design Patterns
d. Development of Complex Application and System Architectures
e. NoSQL Databases (Redis, Mongo, etc.)
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (NodeJS, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Application Servers like Tomcat, etc.
d. HTML5, CSS, AJAX, React
e. Full stack development
f. Secure Development based on OWASP standards
▪ Experience in developing internet web applications using Java/J2EE technologies.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL (good to have)
We strongly believe in: Innovation, Perseverance, Compassion, Value Creation & Ownership
➢ Design and develop core server side components for our consumer facing site
as well as for fulfillment and inventory logistics
➢ Prototype new ideas
Experience / Skills Required:
➢ B.Tech or advanced degree in Computer Science with 8-12 years of progressive industry
experience
➢ Strong experience with Python development and Django framework or NodeJS required
➢ Strong experience with JavaScript , HTML, CSS, AJAX and JSON
➢ Strong experience with building reusable server components
➢ Strong experience with WebServices, XML, REST interfaces
➢ Strong experience with object oriented programming
➢ Strong experience with backend performance optimization and algorithms
➢ Strong experience with SQL, RDBMS, data modeling and MySQL, Oracle or other RDBMS
➢ Strong leadership / technology mentoring skills a must. Ability to do code and design reviews is a
key part of this role.
➢ Experience with Microservices / Distributed event based architectures desired.
➢ Deep experience with Linux based development and deployment architectures.
➢ Experience with database query tuning.
➢ Experience with cloud platforms such as AWS is a great plus
➢ Experience with frameworks such as Angular / React JS is a great plus
➢ Awareness of and experience with reactive programming is a plus
➢ Experience with Ecommerce/Consumer facing applications serving a large volume of users is a
great plus.
➢ Exposure to technologies like Kafka, Redis, Spark, Kinesis, Solr, ElasticSearch etc is a plus.
➢ Experience with NoSQL or BigData is a great plus
➢ Hands on Full Stack experience desired.
➢ Must be adept at experimenting with new technologies
➢ Must have excellent communication (verbal & written), interpersonal, leadership, and problem
solving skills
➢ Must be able to work independently and enjoy working at a fast paced start-up environmen
Amplify looking for a Junior-Mid Java Developer for its backend platform development, responsible for developing of
micro services using Spring Boot, RESTful Services, Cloud and Container based solutions. Working closely with the
members of the UK team as well as the technical lead, the Senior Java Developer role at Amplify will be responsible for
development of the Amplify Backend platform while maintaining high-quality, robust, performance software which
meets the needs of our business and clients.
Key Areas of Responsibilities
• Functional features development of Amplify backend RESTful web services using Spring Boot.
• Ensuring coding standard, micro service system architecture is well-maintained as per standards and core
principles of business.
• Working closely with remote Product, BA and Technical teams to ensure product requirements are met.
• Working closely with members of the team to complete the tasks on time and high quality.
• Keeping current with new technologies and making recommendations to the team while maintaining and
enhancing existing product code base.
• Working with members of the QA, DevOps and delivery teams to ensure products are tested, installed and
maintained to a high standard.
• Maintaining high quality coding standards within the team and support team in code and design reviews.
• Working closely with Technical Lead to ensure dev tasks completed on-time.
• Responsible for building TDD documents, UML and functional specification documents.
Key Requirements
• At least 2+ years’ commercial experience in Java based technologies and RESTful web services. Solid Hands-on
experience of Java/J2EE and Spring Boot or Spring Framework.
• Experience in Java, its core libraries and any of open source frameworks such as Spring Boot, Spring
Integration as well as Gradle, Maven etc.
• Experience of RDBMS and SQL Knowledge as well as NoSQL databases (Highly Desirable).
• Demonstrable knowledge of at least one of software development methodology (Agile Kanban/Scrum, Agile
SAFe) and structured approaches to development. Capable of working to strict deadlines.
• Experience in working with Spring framework and cloud-based technologies like AWS. Always open to adopt
to new technologies, techniques and standards.
• Understands DevOps culture and develop software with CI/CD pipeline in-mind.
• Self-motivated, pro-active and working with the other team members in taking up initiatives appropriate to
the business and the team.
- Strong fundamentals in data structures, algorithms.
- Strong fundamentals in Core Java/J2EE.
- Familiarity with any one of Spring, Struts, Hibernate frameworks.
- Familiarity with code design principles, patterns, and best practices in java.
- Understanding of SQL and NoSQL databases.
- IDE/Tools - Eclipse, NetBeans, Ant, Maven, Gradle
- Web Technologies - XML/XSD, HTML 5.0, CSS 3.0, JavaScript, JQuery, YUI
- Configuration Management - GIT, Subversion SVN
- Active participation in one or more open-source projects is a strong plus
- Familiarity with the AWS cloud ecosystem is a strong plus.
- OCJP certified will be an added advantage.
- Hands-on with *Unix/Windows based systems.









