
We're looking for a high-energy Java engineer to design and implement scalable microservices using Spring Boot. You'll collaborate across teams to deliver clean, efficient, and high-performance backend services.
š ļø Key Responsibilities
- Design, develop, and maintain RESTful services and microservices using Spring Boot
- Utilize OOP, Java Collections, Exception Handling, and method overloading/overriding in modern coding practices
- Build and optimize multithreaded systems (Threads, synchronization, wait(), notify(), yield()) for performance and scalability
- Write unit and integration tests (JUnit, Mockito, Spring Test) to ensure code quality
- Collaborate with cross-functional teams (QA, DevOps, Product) through code reviews and feature planning
- Diagnose and resolve performance bottlenecksJVM tuning, SQL/caching optimizations
- Adhere to coding standards, best practices, and participate in peer code review
šÆ Required Skills & Experience
- Strong Java fundamentals: OOP, Collections, Generics, Exception Handling
- Concurrency mastery: multithreading, synchronization primitives (wait(), notify(), yield())
- Spring Boot: solid experience building, testing, deploying REST APIs
- Microservices: design, inter-service communication, stateless service patterns
- Testing frameworks: JUnit, Mockito, Spring Test
- Performance tuning: profiling, optimization with JVM settings and database queries
- Tools & practices: Git, Maven/Gradle, CI/CD pipelines, Docker/Kubernetes (plus)
- Soft skills: strong problem-solving, collaboration, and effective communication

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 WorkĀ®. 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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This position requires experience in Java, Spring, Spring Boot, microservices, message broker, and DB knowledge. Candidates should be skilled in developing enterprise applications that consist of FE, BE, and DB integration.
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- Strong experience in Java programming.
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- Good experience in either Spring or Hibernate
- Must have at least 1to 2 yearsā experience in Web application
- Knowledge of OOP concepts, industry best practices, and design
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- Excellent written and verbal communication skills
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- Basic knowledge of SQL, including the ability to author ad-hoc database queries.
- Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
- Has experience integratingĀ APIs (major plus)
- Experienced integrating RESTful APIs into web applications (a plus)
- Is experienced with Github or the likes.
- Should have worked on Payment Gateway Applications.
- Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
- Technical Product/Software certifications an asset
- Has 3 to 5 years of experience in a similar client-facing role
- Has previous experience in a traditional software engineering or Implementation role.
- Has strong analytical and debugging skills.
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- Demonstrates professional communication skills on technical and business-related subjects
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- Demonstrate ability to articulate complex technical terms or processes into business language
- Ability to synthesize technical information and apply to business solutions
- Able to set priorities, influence others, and manage customer and partner expectations
- Demonstrated success in customer and partner relationship management
- You are motivated, think outside of the box, and understand the purpose of process and procedures
Areas of responsibilities:
ļ· Involvement in the full software development life cycle within broadly defined parameters and providing
software solutions keeping into consideration the software quality needs
ļ· Design and defining the interaction between the different component pieces
ļ· Write efficient code based on brief given by team lead.
ļ· Fast prototyping of proof-of concept features / application based on brief.
ļ· Develop and maintain new features on Java stack
ļ· Own the delivery of an entire piece of a system or application
ļ· Management and execution against project plans and delivery commitments
ļ· Work closely with the peers and Leads to develop the best technical design and approach for new product
development
ļ· Build software solutions for complex problems.
ļ· Compliance with build/release and configuration management process
ļ· Responsibility to develop unit test cases for his/her project module.
ļ· Execution of appropriate quality plans ,project plans ,test strategies and processes for development
activities in concern with business and project management effort
Desired Profile:
ļ· GoodunderstandingofObjectOrientedProgrammingConcepts,hands-onknowledgeonJavastack
(Spring/Hibernate)
ļ· Development across multiple browsers/platforms on Website
ļ· Good Understanding of SQL/NoSQL data stores
ļ· Fair Understanding of Responsive High Level Designs
ļ· Work experience in product/start-up company is a plus
ļ· Familiarity to MVC, SOA, RESTFull web services
ļ· Work with other teams and manage time across multiple projects and tasks in a deadline driven, team
environment
ļ· Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/JQuery front-end code across a
broad array of Interactive web
ļ· Understand agile methodology and instill best practices into the process.
What we are scouting for
- BS/MS in computer science or equivalent work experience in IT
- 2+ yearsā experience designing and developing applications using Java EE platforms
- A strong hands-on programming knowledge in Core Java including Java 8. To solve the problem given in optimized way.
- Strong knowledge on the Data structure and algorithm.
- Experience developing and designing API integrations using SOAP/RESTful
- Should be able to understand the time complexity of the existing algorithm. Able to compare different algorithms available.
- Expert understanding of the object-oriented design and programming concepts
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- Used SQL & NoSQL solutions
- Experience in GIT/SVN, build tools such as Ant/Maven/Gradle
- Experience in JUnit, Sonarqube, Mockito, Jacoco, Maven & Jenkins
Technical Competency ā Nice to have
Ā
- Experience in Dependency Injection, Annotation, Validations, Auto Wiring
- Good knowledge in internal working on Memory Management, Transaction management
- Knowledge on DevOps pipeline tools like Jenkins, tools for Code quality scan, tools for security scan
- Spring boot
- Spring MVC
- Any Java Certification
Behavioural Competency
- Strong interpersonal communication skills
- Ability to lead self and team toward common goals
- Excellent oral and written communication, presentation, and analytical skills
- Excellence in technical communication with peers and non-technical cohorts
Ā
What you will be doing
- As a self-motivated and enthusiastic member of our team, you will work with extremely talented peers in a fun environment building performance efficient payment authorization services that are highly scalable, configurable and available
- Youāll work in an Agile environment with a focus on problem solving and engineering excellence.
- Worked independently and as a member of a team, determined to make active contributions to the assigned Team
- Flexible and adaptable approach to the roles assigned to you
- Ability to coordinate and prioritize tasks, and work in a fast paced and challenging environment
- Deliver on time under dynamics with a high level of integrity and flexibility, sense of urgency, attention to detail and quality standards
- Make a large impact on the design, architecture, and implementation of cutting edge products
- Work with other team members to investigate design approaches, prototype new technology
and evaluate technical feasibility
- Work in an Agile/Scrum environment to deliver high quality software
- Establish architectural principles, select design patterns and then mentor team members on their appropriate application
share your resume via mail. gsusmipriya@altimetrik
Ā
Job Description: (Mandate Skills)
Ā
- Exceptional architecture and design skills using Object Oriented Programming concepts and Design patterns
- Strong problem solving and analytical skills
- Hands on Java Engineer, with experience building consumer facing or enterprise applications using Java stack
- Ability to manage small teams (2-4 members) using agile development process
Ā
Ā
Do You Know? (Skills good to have)
Ā
- Exposure to building service oriented distributed systems
- In building systems that process big data in a distributed environment, either in real time streaming or offline
- In messaging systems like Kafka, RabbitMQ, kinesis, etc.
- In real time computation tools like Storm / Spark or Hadoop based tools.
- In Data warehousing technologies like Redshift, BigQuery, etc.
JAVA, JSP, jQuery, Servlet, Hibernate, Spring MVC, Spring boot, SOAP and REST Web Services, Microservices, knowledge of SQL query, build tool like Ant and Maven, very good analytical and logical skills.
Good to have:Ā Redis and Memcached cache management, JBOSS 7 and above, API gateway, Apache, EJB
- Work onĀ building scalable backend platform for customer & seller apps, brands platform, demand generation platform, supply chain & logistics platform, credit platform and several cross platform software components
- Participate in the process to fundamentally change the food and grocery ecosystem in India, andĀ impact billions of people through technology, mobile, and data science
Requirements:
An ideal candidate for this role is someone who has-
- BE/BTech degree in Computer Science from a top engineering school
- 1-5 years of professionalĀ software development experience
- Strong problem solving skills andĀ strong command on object oriented design, data structures, algorithmsĀ and other computer science fundamentals.
- Strong coding skillsĀ - professional experience in developing production-quality software in Java/Python
- Expertise in Web Services, Service-oriented architecture, Databases, NoSQL, Distributed systems, Cloud Technologies.
- Extreme software engineering skillsĀ to design and develop low-latency, high availability, internet-scale web services
- SolidĀ understanding of the full software development life cycleĀ and software engineering best practices
- Ability toĀ understand business requirements and translate them into technical requirements
- DemonstratedĀ ability to own software design and developmentĀ end to end from requirements to launch.
- Ability toĀ collaborate with cross-functional teamsĀ to define, design, and ship new features.
- A startup mindsetĀ Ā - An athlete who can run at breakneck speed of a startup, yet someone who can bring method to madness through processes suitable for different stages of the company - early stage prototyping and rapid experimentation, before product/market fit, after product/market fit, and scaling.
- Familiarity withĀ Agile development, Scrums, continuous integration, and test driven development processes
- Data driven product development approach - strong focus on data backed engineering decisions.
- Ability to develop products incrementally in fast iterations
- Ability to do collaborative problem solving and design/build chaos resilient systems
- Strong focus on software quality
- Ability to mentor junior developers, and help build an excellent engineering team
- Ability to be a talent magnet - attract great talent to join the core team.








