Java
Spring Boot- 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.
Shubham Vishwakarma
Full Stack Developer - Averlon
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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JavaSpring BootPosition : Software Engineer (Java Backend Engineer)
Experience : 4+ Years
📍 Location : Bangalore, India (Hybrid)
Mandatory Skills : Java 8+ (Advanced Features), Spring Boot, Apache Spark (Spark Streaming), SQL & Cosmos DB, Git, Maven, CI/CD (Jenkins, GitHub), Azure Cloud, Agile Scrum.
About the Role :
We are seeking a highly skilled Backend Engineer with expertise in Java, Spark, and microservices architecture to join our dynamic team. The ideal candidate will have a strong background in object-oriented programming, experience with Spark Streaming, and a deep understanding of distributed systems and cloud technologies.
Key Responsibilities :
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot and Java 8+.
- Implement and optimize Spark Streaming applications for real-time data processing.
- Utilize advanced Java 8 features, including:
- Functional interfaces & Lambda expressions
- Streams and Parallel Streams
- Completable Futures & Concurrency API improvements
- Enhanced Collections APIs
- Work with relational (SQL) and NoSQL (Cosmos DB) databases, ensuring efficient data modeling and retrieval.
- Develop and manage CI/CD pipelines using Jenkins, GitHub, and related automation tools.
- Collaborate with cross-functional teams, including Product, Business, and Automation, to deliver end-to-end product features.
- Ensure adherence to Agile Scrum practices and participate in code reviews to maintain high-quality standards.
- Deploy and manage applications in Azure Cloud environments.
Minimum Qualifications:
- BS/MS in Computer Science or a related field.
- 4+ Years of experience developing backend applications with Spring Boot and Java 8+.
- 3+ Years of hands-on experience with Git for version control.
- Strong understanding of software design patterns and distributed computing principles.
- Experience with Maven for building and deploying artifacts.
- Proven ability to work in Agile Scrum environments with a collaborative team mindset.
- Prior experience with Azure Cloud Technologies.
JavaSpring BootJOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
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.
Required Skills:
- Exp. - 5-8 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.
Spring Boot
Amazon Web Services (AWS)About the Role
We're seeking a skilled Java Developer with strong AWS cloud experience to join our
solution architecture team. You'll be building scalable backend systems, integrating diverse
enterprise platforms, and developing cloud-native solutions for clients across government,
agriculture, and manufacturing sectors.
Key Responsibilities
Application Development
• Design and develop robust Java-based backend services and APIs for enterprise
applications
• Build microservices architectures for cloud-native deployments on AWS
• Implement RESTful APIs and SOAP web services for enterprise integration
• Develop serverless applications using AWS Lambda and event-driven architectures
• Create data processing pipelines using AWS services
AWS Cloud Development
• Deploy and manage applications on AWS infrastructure (EC2, ECS, EKS)
• Implement serverless solutions using Lambda, API Gateway, and Step Functions
• Design and implement storage solutions using S3, EBS, and EFS
• Work with AWS databases (RDS, Aurora, DynamoDB)
• Implement messaging and queuing using SQS, SNS, and EventBridge
• Configure and manage application monitoring using CloudWatch
System Integration
• Design and implement integration solutions connecting disparate enterprise systems
• Build adapters and connectors for third-party APIs, legacy systems, and SaaS
platforms
• Implement enterprise integration patterns (message routing, transformation,
orchestration)
• Develop middleware solutions using AWS integration services
• Handle data synchronization, format transformations (XML, JSON, CSV), and
protocol conversions
Database & Performance
• Design and optimize database schemas for AWS RDS (PostgreSQL, MySQL) and
Aurora
• Write efficient SQL queries, stored procedures, and optimize database performance
• Implement caching strategies using AWS ElastiCache (Redis/Memcached)
• Configure database connection pooling and manage high-availability setups
• Troubleshoot database bottlenecks and resolve concurrency issues
Security & DevOps
• Implement AWS security best practices (IAM, Security Groups, KMS)
• Build CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy
• Configure application auto-scaling and load balancing
Quality & Best Practices
• Write clean, maintainable code following SOLID principles and design patterns
• Implement comprehensive unit and integration testing
• Participate in code reviews and technical design discussions
• Document technical specifications, API contracts, and AWS architecture diagrams
Required Skills & Experience
Core Java Expertise
• 3-5 years of hands-on Java development experience (Java 11+ preferred)
• Strong understanding of OOP concepts, data structures, and algorithms
• Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data JPA)
• Proficiency in building RESTful and SOAP web services
AWS Cloud Experience (Must Have)
• 2+ years of hands-on AWS experience with production deployments
• Strong knowledge of core AWS services: EC2, S3, RDS, Lambda, API Gateway
• Experience with AWS networking: VPC, subnets, security groups, load balancers
• Understanding of AWS IAM, security best practices, and compliance
• Experience with AWS monitoring and logging (CloudWatch, X-Ray)
• Knowledge of AWS messaging services (SQS, SNS, EventBridge)
• Familiarity with AWS database services (RDS, Aurora, DynamoDB)
Integration Experience
• Experience with enterprise integration patterns and middleware solutions
• Knowledge of API design, development, and management
• Understanding of authentication/authorization mechanisms (OAuth2, JWT, SAML)
• Experience with data transformation and mapping frameworks
• Familiarity with integration protocols (HTTP/S, FTP/SFTP, SMTP, JMS)
Database Skills
• Strong SQL skills with relational databases (PostgreSQL, MySQL preferred)
• Experience with JPA/Hibernate ORM frameworks
• Understanding of database connection pooling and transaction management
• Knowledge of database migrations and versioning tools (Flyway/Liquibase)
Technical Stack
• Build tools: Maven or Gradle
• Version control: Git
• API documentation: Swagger/OpenAPI
• Testing frameworks: JUnit, Mockito, TestNG
• Containerization: Docker (experience with ECS/EKS is a plus)
Must have
• Proven usage of Agentic AI Tools in SDLC
Bonus Skills
• AWS Certifications (Developer)
• Experience with message brokers (Kafka, RabbitMQ, ActiveMQ, Amazon MSK)
• Kubernetes and container orchestration (EKS)
• AWS serverless application development (SAM, Serverless Framework)
• Experience with Apache Camel, MuleSoft, or other integration platforms
• CI/CD tools (Jenkins, GitLab CI, GitHub Actions, AWS CodePipeline)
• Knowledge React/Angular technologies for full-stack collaboration
• Experience with ERP/CRM systems integration
Desired Attributes
• Strong problem-solving and analytical thinking abilities
• Ability to design cloud-native architectures following AWS Well-Architected
Framework
• Good communication skills for interacting with clients and cross-functional teams
• Self-motivated with ability to work independently and in team environments
• Attention to detail and commitment to delivering quality solutions
• Cost-conscious approach to AWS resource utilization
Education
• Bachelor's or Master's degree in Computer Science, Information Technology, or
related field
• Equivalent practical experience will be considered
• AWS certifications are highly valued
JavaSpring BootBackend SDE II
Responsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant
systems with minimal guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and
spread design philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of
our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Should have at least 3 years of hands on experience in designing, developing,
testing and deploying applications on Java, Ruby, Kotlin, Python, Node or Go for
large scale applications
- Deep knowledge of one of the programming language they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming
would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to
alleviate dependency risks.
- Well versed in working with agile methodologies which includes phases such as
design, development, code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git
or any similar source code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning,
GC tuning, resource leaks etc
- Continuously refactor applications to ensure high quality design
Technologies Used
Below are few of the technologies that we work on:
Type Technology
Web Application Framework Ruby on Rails, Ktor, AWS Lambda
Languages Ruby, Java, Kotlin, Javascript, Python
Datastores PostgreSQL, Aerospike, Redis, Amazon Redshift, DynamoDb
Communication HTTP, Amazon SQS, Sidekiq, Amazon SNS
Server Management Amazon ECS, Docker
Product Overview
● You will be contributing to products concerning both customers and partner drivers.
● Product sectors include:
○ Growth: You’ll build tools to help boost user growth on the platform including our
industry best driver on-boarding, training and certification system, referral
system, and lead management models.
○ Lifecycle Management: Build tools to help users engage with the platform
better, which includes rewards and recognition module, subscription service,
account management tools, partner and customer wallets and payout modules,
and churn detection systems among others.
○ Transaction Experience: You’ll help deliver the most delightful booking
experience to our customers and drivers. As part of this team, you’ll be
responsible for our core booking system, pricing and payment systems, location
tracking and filtering services, fraud prevention systems, and in-app ticketing and
support among others.
○ Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure
high degree of ride fulfilment on the platform. Tools including allocation
methodologies and system, dynamic pricing, dynamic partner routing, and
partner re-activation tools among others.
○ Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery
excellence. You’ll build tools for contract management, fleet management, fleet
and route optimisation tools, alerting and monitoring tools, and analytics suite
among others.
JavaSpring BootWe are seeking a highly skilled Java Developer to join our team. The ideal candidate should have at least 5 years of experience in Java development and be able to work from the office.
Responsibilities:
- Develop high-quality software design and architecture using Java technology
- Produce clean, efficient, and maintainable code
- Conduct code reviews and testing to identify and fix software defects
- Collaborate with cross-functional teams to identify and solve complex software problems
- Design, develop and maintain software applications using Java technology
- Debug and troubleshoot software defects
Requirements:
- Proven experience as a Java Developer with at least 5+ years of experience
- Knowledge of web frameworks such as Spring, Hibernate, and Struts
- Familiarity with Agile methodologies and software development life cycle (SDLC)
- Experience with source code management tools such as Git or SVN
- Excellent problem-solving skills and ability to work independently
- Strong written and verbal communication skills
- Immediate joiners preferred
If you are a Java Developer with a strong work ethic and a passion for developing high-quality software solutions, we encourage you to apply.
NodeJS (Node.js)
PythonDescription:
For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems. We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
- Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
- End to end responsibility to continuously create and monitor the services you build
- Help design reusable and clean API's for our frontend React app
- Guide team members with handling complex issues
- You will also be responsible for database schema design and development of migration scripts
- Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
- 10+ years professional SW development experience
- All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
- Must have good experience with Python
- Solid experience with databases is a must. We use and love Postgres here at Smokescreen
- You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
- Deep understanding and working knowledge of Redis cache
- Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
- Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
- Experience with Docker/Swarm is a plus
- Experience in some stream processing platforms like Kafka/Redis stream is a plus
JavaPython
Java
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Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon