
Java Developer- Freelancing Consultant
- Bachelor's degree in Computer Science or a related field with 2-5 years hands-on experience with Java based open source tech stack
- Expertise in Core Java, Data Structures, J2EE with proven expertise in Spring MVC, Spring boot, Microservices architecture, Web Services (Rest) in distributed systems
- Practical experience with MySQL and /or NoSQL databases like Couchbase, DynamoDB, Cassandra
- Practical experience with Caching frameworks Memcached/Redis, Message Queues (JMS, RabbitMQ)
- Practical hands-on experience in JavaScript UI preferred
- Experience in building high performance, high availability REST APIs and REST clients
- Expertise with log file analysis using one or more of ELK, or Splunk
- Prior experience with CI/CD, Container architecture - Docker/Jenkins and build scripts Maven/Ant
- Prior experience in transformation to cloud platforms is preferred
- Experience with Kafka is a definite plus
- Experience with building analytics pipeline and analytics DB is a plus
- Strong practical experience in applying design patterns, multithreading concepts to solve complex problems, strong problem solving skills

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Job Title: Java Developer (Full-time)
Location: Pune (Onsite)
Experience Required: 3+ Years
Working Days: 5 Days (Mon to Fri)
Key Responsibilities:
- Design, develop, and deploy scalable microservices using Java and Spring Boot.
- Implement RESTful APIs and integrate with external systems and databases.
- Build and manage services on AWS Cloud using components like ECS, Lambda, S3, RDS,
- and API Gateway.
- Collaborate with DevOps to integrate CI/CD pipelines for automated builds, tests, and
- deployments.
- Ensure application performance, reliability, and security in a cloud-native environment.
- Participate in code reviews, troubleshooting, and performance optimization.
- Work closely with architecture, QA, and product teams to deliver high-quality solutions.
Required Skills & Experience:
- Strong proficiency in Java, Spring Boot, and microservice architecture.
- Hands-on experience with AWS Cloud services (ECS, EKS, Lambda, RDS, CloudWatch,etc.).
- Knowledge of Docker, Kubernetes, and CI/CD tools (Jenkins, GitLab, or AWS
- CodePipeline).
- Experience with REST APIs, JSON, and message brokers (Kafka, RabbitMQ, or SNS/SQS).
- Proficiency in SQL and experience with relational databases (Oracle, MySQL, or
- PostgreSQL).
- Familiarity with security best practices, monitoring, and logging in the cloud.
Wissen Technology is hiring for Java Tech lead
Required:
- 8-10 years of industrial experience
- Java and related frameworks.
- Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
- Exposure on Fintech domain is mandatory
- Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS
- Good knowledge of multi-threading and high volume server side development
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
Company Profile:
Company Name : Wissen Technology
Group of companies in India : Wissen Technology & Wissen Infotech
Work Location - Bangalore
Website : www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: https://www.linkedin.com/company/wissen-technology
You will be working hands-on on a complex and compound product that has the potential to be used by millions of sales and marketing people around the world. Your contribution to delivering an excellent product platform that:
- enables quick iteration
- supports product customization
- and handles scale
What do we expect you to have?
- 2+ years of experience in backend engineering
- An intent to learn and an urge to build a product by learning different technologies
- Interest in writing complex, scalable, and maintainable backend applications
- Tech stack requirements:
Must haves
- Experience in building application server in Java (Spring / Spring boot) / NodeJS / Golang / Python
- Experience in using SQL databases and designing schemas based on application need
- Experience with container services and runtimes (docker / docker-compose / k8s)
- Experience with cloud paas (AWS / GCP / Azure cloud)
- Experience and familiarity with microservices’ concepts
- Experience with bash scripting
Good to have (Preferred)
- Preferred experience with org wide message queue (rabbitmq / aws sqs)
- Preferred experience with task orchestration services (apache airflow / aws step function)
- Preferred experience with infra as code (or system configuration) tools (terraform / chef / ansible)
- Preferred experience with build essential tools (make / makefile)
- Preferred experience with monitoring and tracing systems for performance / system / application monitoring (grafana + loki + prometheus / aws cloudwatch)
What will you learn?
- Building highly available, complex, compound, performant systems of microservices platform that acts as an API layer
- Industry-standard state-of-the-art tools + methodologies + frameworks + infra for building a product.
- Fable is not a trivial CRUD app. It requires a lot of consideration and care for building the API layer as the product is highly customizable per user.
- How different functions (sales, marketing, product, engineering) in a high-velocity product company work in synergy to deliver an iterative product in real life.
Who would you be working with?
- You would be directly working with the co-founder & CTO who has built multiple companies before and has built large teams in large-scale companies like ThoughtSpot, Unacademy, etc.
Position details
- Fully remote.
- 5 days/week (all public and government holidays will be non-working days).
- No specific work hours (we will sync over zoom over the course of the day).
Job description
Key Responsibilities
- Design, develop, and maintain serverless applications using AWS services such as Lambda, API Gateway, DynamoDB, and S3.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Build and maintain RESTful APIs to support web and mobile applications.
- Implement security best practices for AWS services and manage IAM roles and policies.
- Optimize application performance, scalability, and reliability through monitoring and testing.
- Write clean, maintainable, and efficient code following best practices and design patterns.
- Participate in code reviews, providing constructive feedback to peers.
- Troubleshoot and debug applications, identifying performance bottlenecks and areas for improvement.
- Stay updated with emerging technologies and industry trends related to serverless architectures and Python development.
Qualifications
- Bachelors degree in Computer Science, Engineering, or related field, or equivalent experience.
- Proven experience as a Python backend developer, with a strong portfolio of serverless applications.
- Proficiency in AWS services, particularly in serverless architectures (Lambda, API Gateway, DynamoDB, etc.).
- Solid understanding of RESTful API design principles and best practices.
- Familiarity with CI/CD practices and tools (e.g., AWS CodePipeline, Jenkins).
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
- Strong problem-solving skills and the ability to work independently and collaboratively.
- Excellent communication skills, both verbal and written.
Preferred Skills
- Experience with frontend technologies (JavaScript, React, Angular) is a plus.
- Knowledge of data storage solutions (SQL and NoSQL databases).
- AWS certifications (e.g., AWS Certified Developer Associate) are a plus.
Role & Responsibilities:
-
Handle multiple products/modules simultaneously, lead the team in development and support
-
Lead development teams
-
Daily updates to customers and Product Managers/Delivery Managers
-
Participate in design discussions
-
Design and Architect small modules
-
Effort estimations for modules, subsystems or use cases.
-
Learn new skills and mentor the new team members
-
Champion best practices within the team, including code reviews
Work Experience & Skills:
-
B.E/B.Tech or any relevant Masters degree from reputed college.
-
Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
-
Strong experience in Postgres or any SQL technology
-
Experience with working on Tomcat, Apache, JBoss or any similar application server
-
Should have 3+ years of experience in leading team.
-
Good experience in JSON / RESTful API / Web Services.
-
Experience in working on Agile methodology using Scrum and sprints
-
Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
-
Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
-
Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
-
Experience in Microservices, SpringBoot and Angular is a plus.
-
Experience with tuning deployed applications for scalability and performance.
-
Good knowledge of deployment and scripting on Linux/Unix servers
-
Strong technical documentation skills.
-
Good oral and written communication skills
- Looking for 2+ Years of Java Developers.
- Looking for Immediate joiners.
- Application development experience in Spring Framework, Spring MVC ,Spring Boot.
- Experience in designing and developing microservices.
- Experience in data structures.
About Company:
Headquartered in Houston, Texas, USA, this product-based company is the FinTech leader in B2B Industry’s (AI) Artificial Intelligence-powered Software suite of products in the Order-to-Cash and Treasury Management space.
With close to 2000 plus employees globally, this product-based company preferred choice of leading Fortune 1000 companies, including Adidas, Danone, Starbucks, 3M and Sony, to name a few. 950+ Transformation Projects, 6 continents and 45 countries and many more adding up year on year.
Skills
Experience Range: 3 to 10 Years
Notice Period: Immediate to max 1 month.
Role: Senior Software Engineer – the final role will depend on candidate’s experience and credentials
Education: BE/B. Tech/MCA/M.Sc./MTech
Technology Stack: Java, Struts, Hibernate, Spring, MySQL, ExtJS, Elastic Search, AWS Infra/any cloud
Location: Hyderabad
Please share your profiles only if you can join in 1 month.
QUALIFICATIONS
Knowledge and Skills required:
- At least 3-10 years’ experience in application development and technical designing.
- B.Tech/B.E/MCA from premium institute preferred
- Bachelor’s/Master’s Degree in Engineering, preferably Computer Science/Engineering, from a top tier university
- Strong inclination towards innovation and efficiency
- Ability to simultaneously manage multiple engagements, prioritize and resolve complex problems and escalate as necessary, in a deadline oriented environment
- Well organized and able to work in a fast paced environment
- Strong sense of ownership and accountability for work
- Candidate will be required to work with geographically dispersed teams, specially team(s) in New York, London and India (Bangalore /Mumbai)
· Excellent interpersonal, collaboration, client focus and organizational skills in a team-oriented environment
· Possess excellent oral and written communication skills
· Good problem solving skills
Tech Skills Required
- Strong understanding of Java technology (Core Java, J2EE)
- Knowledge of open source frameworks: Spring, Hibernate, Spring Batch
- Integration middleware products, Service Oriented Architecture
- Database Development and Debugging – Stored Procedures (Sybase and/or DB2)
- Database Design and Modeling
- Strong understanding of SDLC methodologies
- Design Patterns (GoF and J2EE)
Skills Nice to Have
- Exposure to NoSQL databases like mongodb
- Exposure to distributed systems/ tools like Apache zookeeper, Apache kafka
- REST, Ajax, SOA2
Immediate Joiners only.
JD:
Hands on Experience in Java, Advanced java ,JSP Servelets, Core java,
spring , hibernate , J2EE , springboot.
Experience into Restful Web services and Database like MS sql.
Should be able to work independently.
Should be able to work with team.
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