Job Title: Senior Software EngineerLocationExperienceJob DescriptionWe are seeking a Senior Software Engineer to join our dynamic engineering team, focusing on designing, developing, and optimizing large-scale ad technology systems. This role requires expertise in building high-performance, distributed systems capable of handling millions of transactions per minute. You will work closely with cross-functional teams to enhance the scalability, robustness, and performance of our real-time bidding systems.
- ResponsibilitiesDesign and implement high-performance microservices to handle large volumes of real-time data requests.
- Collaborate with the AdExchange team to optimize real-time ad buying, selling, and auctioning processes.
- Lead the development and enhancement of key features such as loss notifications and bidder engagement strategies.
- Build A/B testing mechanisms to optimize bidder responses and URL accuracy.
- Improve the scalability and reliability of critical services, utilizing advanced monitoring tools like Prometheus and Kafka.
- Conduct code reviews, create design documents, and mentor junior engineers.
- Manage end-to-end project lifecycles, from architecture design to deployment in production environments.
- Required SkillsProficiency in Java, Docker, Aerospike, Kafka, and MySQL.
- Strong understanding of distributed systems, microservices, and real-time bidding technologies.
- Experience in optimizing system performance to handle high-throughput, low-latency requirements (600,000+ requests/min).
- Expertise in monitoring and logging tools such as Prometheus, Grafana, and log management systems.
- Knowledge of cloud technologies (AWS or similar).
- Strong problem-solving skills and experience in A/B testing for optimizing system components.
- Preferred SkillsExperience in ad technology or large-scale data processing systems.
- Familiarity with JavaScript, REST APIs, and integration workflows.
- Hands-on experience with Kubernetes and event-driven architectures.

About AdElement
About
AdElement is an online advertising startup based in Pune. We do AI driven ad personalization for video and display ads. Audiences are targeted algorithmically across biddable sources of ad inventory through real time bidding. We are looking to grow our teams to meet the rapidly expanding market opportunity.
Connect with the team
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Work Location - Bangalore (Should be ready to relocate)
Kindly go through the JD & company details if interested please revert with below details & acknowledge with your availability.
Mode of work: Hybrid weekly 2/3 Times Mumbai/ Bangalore location.
While you may already know about Wissen and the company history, here is a quick rundown for you.
INTERVIEW PROCESS:
- Hacker earth assessment
- Round 1
- Round 2
- Final Round
About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
• Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, State Street, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
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.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 4-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork join pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
- Experience in API development using Java will be a plus.
- Excellent knowledge and experience in writing testable, scalable, flexible, robust and efficient web applications using JavaEE 6/7 technologies, specifically, Spring core, Spring Boot Spring Data, spring batch and JPA
- Experience in successfully deploying Java-based applications in production and understanding load-balancing, authentication, and fault tolerance through Tom Cat.
- Experience in database modeling (MySQL/NoSQL databases such as Mongo DB)
- Knowledge of integrating with Ant, Maven, GIT and Shell scripting.
- Strong backend experience to develop Data Layer using at least one of the ORM frameworks like Hibernate, JPA etc.
- Strong RDBMS Skills and SQL skills. Experience in MySQL, Teradata and warehousing databases.
-
Experience in Analytics frameworks and visualization products.
- Excellent knowledge and experience of Maven, Continuous Integration, and Continuous Delivery with Jenkins.
• Experience with JavaScript frameworks, especially Angular is a definite plus.
Java 8, J2EE , Spring Boot, Microservices, Apache Spark, DevOps, Advanced SQL, preferably with
expertise in Data engineering/Data analytics,
ELK(Elastic Search, Logstash , Kibana) stack, Teradata, any No SQL database, Hands on experience in
maintaining products on Cloud Technologies like PCF, Azure, Docker, Kubernetes, etc, NodeJS,
Angular 2x, GitLab with CI/CD, Hands on experience in Unix server, Shell scripting, Large data
processing, Performance tuning, Experience in working in various Test Automation frameworks like
Selenium, Test NG, Python, Cucumber, Karma, Karate/ Jasmine, etc
Experience in using Eclipse, Spring tool suite, Project building tools - Maven, Gradle, etc, JIRA for ALM.
A back-end developer is a web developer or engineer who works with at the back end of a website or application. In this sense, will work on Java code for application development comprehending what users want from the finished product, developing design documentation for the application, debugging and repairing code, and testing the softwares.
SKILLS:
- Core Java: Collections, Generics, data structures, Oops concepts, Exception handling, Design patterns, Data Structure.
- Mysql,C++
- Knowledge of Angular
- Candidate should have working knowledge on web services
- Hands on experience on Kubernetes, Docker, Python, AWS, Springboot.
- Proven hands -on experience in software and app development using Java Platforms
- Telecom industry experience is a must
COMPETENCIES:
- Plan and Organize: Plan and organize activities in a clear and accurate manner
- Achievement Orientation: Meets predetermined standards
- Meticulous attention to detail: Recognizes obvious information
- Teamwork: Collaborates with others to get the work done and achieve team goals
MINIMUM QUALIFICATION:
- B.E/ B.Tech/ MCA
REQUIRES EXPERIENCE:
- 3 -13 years of relevant experience in Java development
Requirements
- 3+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- Linux
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Java 8
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 3 years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding AI/ML algorithms is a plus.
Job Description
Organizational Overview
It is a super app to digitize India’s 50M+ sales agents where they can get access to relevant products & services, receive training through interactive videos on “how to sell, what to sell and whom to sell”, and earn money. For businesses, we help them save a huge effort in managing and training these agents and help them increase their reach to every nook and corner of the country.
India is a trust deficit market which cannot be accessed through Internet Marketing on Facebook and Google as the majority of the customers need training, push, motivation and a primer on why and how to use a product.
To solve this problem, traditional industries like BFSI, Telecom, Automobile, Real Estate etc. use 50M+ frontline sales executives to drive distribution. We believe that not just for these traditional industries but also for emerging companies in FinTech, EdTech etc these agents will play a pivotal role in accessing trust deficit customers.
They have grown to a 100,000+ agent network across India (growing 50% MoM). One Code is funded by tier1 VC’s and angels in India.
Role Overview
Summary of Role
As a part of the consumer products software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will be responsible for defining and developing software for tasks associated with the developing, designing and debugging of the software applications.
Responsibilities:
- Overlook development of all consumer products in JAVA
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Continuously create new and interactive features that would help to improve user experience and user engagement.
- Assist with troubleshooting of issues as needed
- Lead the design and architecture of software solutions
- Assist in developing and maintaining continuous integration pipelines
Required Skills for this Role:
- JAVA
- Spring/Spring Boot
- Hibernate
- Linux
- REST
- Kafka
- Mysql
- AWS
- ELK Stack (Elasticsearch)
- CI/CD Pipelines
- Team Leadership experience of at least 3 year
Qualifications:
- 2+ years of experience in Java based technologies
- Experience in designing databases and system architecture
- Experience in building products from scratch at well funded start-ups
Salary Range: Best in industry
Why join us?
- You will get to work with an experienced team who has worked in multiple startups.
- Experimenting is the name of the game. And POCs are the snacks that fuel them.
- Grow with us. It is a family
- Gain exposure to two of the fastest growing markets in the world - South East Asia and Social Commerce
Looking for Java Fullstack Developer with 4-5yrs of experience.
Job Rolre : Java Full Stack Developer
Experience : 4-5 yrs
Job Type : Permanent
Locations : Hyderabad/Bangalore/Chennai/Mumbai/Pune/Gurgaon
Notice Period : Max 30 Days
Description :
- Experience 4 – 5 years
- Good in Backend Springboot
- write Rest API (Should be strong in this area)
- Good Analytical ability, Good coding practice, Knowledge of Spring Security (Desirable),
- UI Knowledge of Angular (Average knowledge should be enough)
- Assist in project scoping and interact with users to gather requirements
- Must have skills: Java,Spring,SQL,Web App development
- Produce well-planned, well-structured, high-quality codes that have been independently unit tested
- Design, develop, implement and maintain multi-tier web based applications using Java, J2EE, Struts, MVC, Weblogic, XML, Spring, Hibernate, and Oracle, to support business requirements (angular will be advantage)
- Participate and contribute actively in the complete software development lifecycle, including performance analysis, design, development, and testing
- Ensure well designed, testable, efficient codes by performing unit testing with test cases and through rigorous integration testing of the entire application
- Ensure designs are in compliance with specifications
- Support users by developing design documentation and assistance tools
- Interact regularly with internal and external teams to address technical issues and provide appropriate solutions through debugging, research, and investigation
- Develop configuration tools for internal teams to further automate programming tasks that are repetitive
- Engage in and lead application performance tuning
Requirements:
- Graduate/Post Graduate degree in Computer Science, Engineering or a related subject
- Proven working experience in Java development, application of standard software development principles and designing and developing applications using Java EE platforms
- Experience in developing web applications using at least one popular web frameworks using MVC
- Object oriented analysis and design using common design patterns
- Able to respond to technical queries / requests from team members and customers
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Oracle, Hibernate)
- Experience in the Spring Framework
- Experience with test-driven development
Job Description - Intelizest
Back End Engineer
- Work with other engineers to develop and test tools and applications used by team on daily basis
- Play a significant role in the ongoing evolution and refinement of current tools and applications
- Triage, troubleshoot, escalate and provide resolution to production issues.
- Reproduce, document and escalate product defects to the Engineering Team.
- Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
- Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
- Identify and escalate priority issues that need immediate attention.
- Collaborate with cross functional teams which requires strong presentation skills and attention to details
- BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
- 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
- High experience in Java 8 Required.
- 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
- Should have knowledge on Cloud applications preferably on AWS.
- Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
- Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
- Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
- Experience with build technologies like Gradle, Jenkins will be a plus.
- Experience with Test Driven Development using TestNG/Junit testing frameworks.
- Experience working with version control like GIT.
- Salary commensurate with experience.
Experience: 2 - 5 years
Talents from Product/eComm/Internet firms Only
Key Skills: Spring boot, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr, Design Patterns, Java, Distributed systems, AWS
Looking for team members passionate about building platforms for next billion users and re-imagine the e-commerce for mobile-first users. You will be building solutions for personalization, logistics, search & discovery, payments, fraud prevention, and scalability that works and solve problems elegantly
Responsibilities:
• Develop server-side components, REST APIs
• Assume ownership for existing and new modules including design, development, and unit testing for enhancements of existing modules and development of new modules.
• Analyse problems logically and exercise sound judgment in defining, evaluating, and solving difficult technical and operational problems where solutions may be of a precedent-establishing nature.
• Lead the design and architectural improvements
• Participate and collaborate with team members in design discussions, determines areas of complexity, potential risks to successful implementation, suggest enhancements to architecture, implement POCs, and enhance application.
• Reduce technical debt with quality coding
Requirements:
• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field) from IITs and Premier Engineering College.
• Excellent Object Orientation, coupled with excellent problem solving and debugging skills.
• Highly skilled at Java and related technologies, including Java Frameworks like Spring-boot or Drop wizard, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr.
• Must have hands-on experience in building scalable and secure back end systems.
• Have hands-on experience with systems that are asynchronous, RESTful and demand concurrency
• Good to have knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, deployment.
• Experience level: 2-5 years of software development experience in Java with web architecture and scalable design








