Java developer at Wissen Technology · Mumbai, Bengaluru (Bangalore) · 5 - 10 years · Profitable · Posted 24 Oct 2024

Skills Required:
- 4+ years of technical experience in a developer role
- Strong proficiency with Core Java
- Database experience preferably with DB2, Sybase, or Oracle
- Complete SDLC process and Agile Methodology (Scrum)
- Strong oral and written communication skills
- Excellent interpersonal skills and professional approach
- Bachelor’s degree in Computer Science, MIS, or other technology/engineering discipline
Skill Desired:
-Strong proficiency with Scala on Spark
- Previous experience in front office and back office reports
- Strong understanding Order Life Cycle management from Equities or Listed derivatives perspective
- Previous experience in Trade Surveillance or working with data from the order lifecycle
- Good to have knowledge on Hadoop Technologies
- High quality software architecture and design methodologies and patterns
- Work experience as level-3 support for applications
- Layered Architecture, Component based Architecture
- XML-based technologies
- Unix OS, Scripting, Python or Perl
- Experience in development on other application types (Web applications, batch, or streaming)

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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About Us
We're building the next generation of AI-powered business software. Our Chatbot application brings AI directly into customer and business workflows, combining a robust backend with LLM-powered agents to get real work done through conversation.
This is a chance to work on hard problems in backend systems, LLM agents, and orchestration — building zero-to-one, owning your area end-to-end, and shipping to production at scale.
Note: This is a customer-facing role, and strong communication skills are essential.
About the Role
We're looking for a Lead Software Engineer to help build and scale the backend and AI capabilities of our Chatbot application. This is a backend-heavy role for someone who can design robust, production-grade systems in Java while also bringing hands-on experience building LLM agents and orchestration layers that power intelligent conversational experiences.
What You'll Do
- Design, build, and scale backend services in Java that power the Chatbot application
- Build and integrate LLM-powered agents into the chatbot, including agent orchestration, tool use, and multi-step reasoning workflows
- Own features end-to-end — from architecture and design through implementation, testing, deployment, and iteration
- Drive technical decisions on system architecture, reliability, performance, and scalability for a backend serving real-time conversational workloads
- Lead by example — set engineering standards, review designs and code, and mentor engineers on the team
- Collaborate closely with product, design, and AI/ML teams to translate business requirements into shipped functionality
- Work directly with customers to understand real-world use cases, troubleshoot issues, and gather feedback to inform the roadmap
- Continuously improve the chatbot's conversational quality, reliability, and response accuracy
What We're Looking For
- 4–6 years of backend engineering experience, with strong, hands-on expertise in Java
- Practical experience building LLM-powered agents and agent orchestration in production systems
- Solid understanding of LLM fundamentals — prompting, tool use, reasoning, and evaluation
- Strong experience designing and building scalable, production-grade backend systems and APIs
- Ability to take technical ownership and lead design/architecture decisions with minimal oversight
- Comfort working in a fast-moving, high-ownership environment, balancing hands-on coding with technical leadership
- Excellent communication skills — this is a customer-facing role, and you'll regularly engage directly with customers to understand needs and explain technical solutions
JOB DESCRIPTION
- Has in-depth understanding of the full software development life cycle. Deep familiarity with data & business analysis, along with modern software design &development concepts encompassing a range of languages & platforms.
- Can work within an Agile team to ensure that all key technical requirements are identified, estimated, designed, implemented, and tested.
- Can work on a collaborative cross-technology team where Java, APIs (services), PL/SQL interact with a range of business logic interfaces & systems.
- Can own small to medium scale strategic initiatives/projects, enhances process standards and best practices, and supports issues during UAT/system rollout phases.
- Understands business needs and priorities and provides thought leadership on potential solutions and the opportunities for technology to create positive impact on the business.
- Has excellent analytical and problem-solving skills that are coupled with strong communication, anticipates issues, and deals with them proactively.
- Is team oriented, highly collaborative, works effectively to build strong long-term partnerships with stakeholders at all levels of the organization and across a variety of business and IT functions.
- Self-sufficient and shows ability to lead, given the opportunity
- Demonstrates a passion for technology innovation balanced with a pragmatic approach to developing and deploying solutions that best benefit the business.
- Nimble, adaptable, able to express ideas in meetings & design discussions, comfortable with ambiguity; course correct when circumstances change.
QUALIFICATIONS
- Bachelor of Engineering / 2-3 years of experience
- Willing to work on Testing
PRIMARY SKILLS
- Hands on experience with on Java 11 with Spring Cloud Microservices ecosystem(multi-threading, data structures, design patterns and OOP practices etc).
- Ability to Query Relational Databases like DB2, Sybase and Cloud data sources like snowflake.
- Spring, SOAP & REST Web Services with on XML/JSON based data.
- Experience with DevOps tools and Git.
- Test Driven development (TDD) and experience working in a disciplined development environment.
- Exposure to Azure Cloud experience is a plus.
GOOD TO HAVE SKILLS
- Business analysis – focused on investment management process and tools.
- Some experience into Automation Testing.
What You will do
● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.
● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and have a positive impact on the industry.
Basic Qualifications
● Experience: 4+ years.
● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.
● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)
● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.
● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.
Nice to have Qualifications
● Product and customer-centric mindset.
● Great OO skills, including design patterns.
● Experience with devops, continuous integration & deployment.
● Exposure to big data technologies, Machine Learning and NLP will be a plus.
Benefits
● Competitive salary.
● Work from anywhere.
● Learning and gaining experience rapidly.
● Reimbursement for basic working set up at home.
● Insurance (including a top up insurance for COVID).
Location
Remote - work from anywhere
Role
We are looking for an Associate Software Engineer - Java with experience in building high-performing, scalable, enterprise-grade applications.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure development is in compliance with specifications
- Prepare and produce releases of software components
Qualifications
- BSc/BE/BTech in Computer Science, Engineering, or a related field
- 2+ years Experience with Java
- Experience in Spring boot Framework
- Experience with REST- JSON, SOAP/XML is mandatory
- Proven working experience in Java development
- Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, JAXB, JAX-WS, MySQL/PostgreSQL, Junit
- Knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
- Hands-on experience in designing and developing applications using Java EE
- Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.
Job Description: Core Java Developer
Company: Mobile Programming LLC
Location: Pune (Remote work available)
Salary: Up to 16 LPA
Position: Core Java Developer
Responsibilities:
- Design, develop, and maintain Java-based applications using Core Java and Spring Boot frameworks.
- Collaborate with cross-functional teams to deliver high-quality software solutions.
- Conduct code reviews and troubleshoot/debug complex issues.
- Optimize application performance and stay updated with industry trends.
Requirements:
- Minimum 6 years of hands-on Core Java development experience.
- Strong proficiency in Spring Boot framework.
- Solid understanding of OOP principles, web development (HTML/CSS/JavaScript), RESTful web services, and SQL.
- Experience with Git and problem-solving skills.
- Excellent communication skills and ability to work independently and as part of a team.
- Bachelor's or Master's degree in Computer Science or a related field.
Note: Immediate joiners required. Please include your resume and relevant code samples/projects when applying.
Job Description:
Good knowledge of python & Java. The order of need should be
- Builds (TeamCity/Jenkins, Urban Code Deploy, ANT/Maven)
- Python scripting
- JAVA
- Linux/Unix
And candidate should possess knowledge on the below :
- JIRA or other
- Agile (Scrum/Kanban, etc.)
- Bit bucket/GIT/SVN/Artifactory
- Linux/Unix
- Jenkins/Team City – ANT/Maven
- Usage & setup of IDE’s
You will get while working with us
- Opportunity to work on highly distributed systems with micro-services architecture and big-data volumes
- Solve challenging real-world problems by leveraging OOP & functional programming concepts
- Opportunity to incubate an open source project
- Get to work with cutting edge technologies to name a few Kafka, Elasticsearch, Postgres, Scala
- Developing scalable, sustainable and reliable enterprise systems
- Hands-on experience of working with TDD and BDD
- Develop environment using practices such as Continuous Integration, Continuous Delivery
- Learning opportunity on how to turn complex business requirements into a working product
Roles & Responsibilities
- Requirement understanding & analysis by interacting with client
- Carry out architectural and design discussions with fellow team members and come up with right approach
- Understand system domain, user’s perspective of system and use-cases
- Understand patterns in existing code and effectively leverage and improvise it
- Develop backend involving Java8 based functional programming and REST services
- Ensure best practices of code reviews, automated testing and CI
- Research new tools & technologies required for the projects
- Mentor fellow team members and bring their level up
Must have
- Strong hold on written/verbal communication
- Strong core Java fundamentals
- Strong Analytical & problem solving skills
- Proactive and inherent nature of working with ownership
- Passion of writing clean code
- Experience in designing relational data model from business requirements
Good to have
- Knowledge of functional programming (Scala or Java 8 lambda)
- Knowledge of NOSQL
- Working knowledge of linux & networking
- Performance optimisation - Optimise/refactor queries, code, stored procedures to take performance next level
Qualifications & Responsibilities
- Strong hands-on experience with Java; full-stack development
- Designs, codes, tests, debug, and documents software, and enhance existing components to ensure that software meets business needs
- Deploy and maintain Applications/Systems
- Work with other software engineers for one or more Agile scrum teams assigned to work on the project · Contribute to the design and architecture to enable secure, scalable, and maintainable software and should be able to clearly articulate the implications of design/architectural decisions, issues, and plans to technology leadership
- Develop reusable patterns and encourage innovation that will enhance team velocity · Collaborate on the design with other team members and product owners, both inside and outside the scrum team
- Estimate engineering work effort for the engineering team and effectively identify and prioritize the high impact tasks
- Conduct design and code reviews to ensure code developed meets coding best practices guidelines, unit testing, security, and scalability and maintainability guidelines
- Drive a quality mindset within the team
Skills:
- 2+ years of full Software Development Life Cycle experience
- 2+ years of experience working as a full-stack java developer
- 1+ years of web development with AngularJS
- Experience or familiarity with technologies such as WSDL, REST and/or SOAP web services, XML, JBoss, Adobe CQ5 DAM, HTML5, CSS3, Bootstrap, Hibernate, Spring.

Preferred Skills:
We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus
Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus
Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel
Strong Knowledge of Spring Boot Dependency Injection and Configuration
Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.)
SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps)
Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc)
Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot
Experience in the development of Workflow or Business Process ApplicationsNice to Have:
Experience with Cassandra or MongoDB with Spring Boot
Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances)
Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)
Search technologies such as Lucene/Solr
- Strong experience in Java Development
- Deep expertise and hands-on experience with Web Applications
- Experience in programming languages such as HTML, CSS, JavaScript, JQuery, React JS, and API.
- Expertise in Java, Spring Boot is an added advantage.
- Hands-on design experience with Web Services (REST, SOAP, etc ..).
- Strong grasp of security principles.
Abilities:
- Developer with strong ability to develop web application using Java and ReactJS
- Should be able to code, design, and implement
- Maintain code integrity and organization








