JavaJob Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin 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.
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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Amazon Web Services (AWS)Job Overview:
We are looking for a skilled Senior Backend Engineer to join our team. The ideal candidate will have a strong foundation in Java and Spring, with proven experience in building scalable microservices and backend systems. This role also requires familiarity with automation tools, Python development, and working knowledge of AI technologies.
Responsibilities:
- Design, develop, and maintain backend services and microservices.
- Build and integrate RESTful APIs across distributed systems.
- Ensure performance, scalability, and reliability of backend systems.
- Collaborate with cross-functional teams and participate in agile development.
- Deploy and maintain applications on AWS cloud infrastructure.
- Contribute to automation initiatives and AI/ML feature integration.
- Write clean, testable, and maintainable code following best practices.
- Participate in code reviews and technical discussions.
Required Skills:
- 4+ years of backend development experience.
- Strong proficiency in Java and Spring/Spring Boot frameworks.
- Solid understanding of microservices architecture.
- Experience with REST APIs, CI/CD, and debugging complex systems.
- Proficient in AWS services such as EC2, Lambda, S3.
- Strong analytical and problem-solving skills.
- Excellent communication in English (written and verbal).
Good to Have:
- Experience with automation tools like Workato or similar.
- Hands-on experience with Python development.
- Familiarity with AI/ML features or API integrations.
- Comfortable working with US-based teams (flexible hours).
JavaSpring BootJOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior 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.
About Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com
Java- Java, Spring MVC, Java Script, HTML5, CSS, JQuery, and BootStrap. Highlighted Skills are mandatory
Detailed JD
- Back-end Skills Strong hands-on working experience in Core Java, Spring MVC, and Hibernate.
- Front-end Skills Good hands-on experience in Java Script, Angular, HTML5, CSS, JQuery, and BootStrap.
- Database Good experience working with DB like MySQL.
Elastic SearchSpring BootJava- Bachelor’s degree in computer science, engineering, or a related field.
- At-least more than 1+ Years of Experience in a similar role would be desired.
- Excellent technical, diagnostic, and troubleshooting skills.
- Strong leadership skills to drive good coding and design practices across multiple engineering teams
- Willingness to build professional relationships with staff and clients.
- Excellent communication, motivational, and interpersonal skills.
- Expertise in architecting, building, and maintaining ultra-low latency, cost-efficient systems in cloud environments
- Excellent track record in modernizing cloud-based applications using micro services, containers, and other architectures
- Experience and working knowledge in building large-scale, data-intensive Text search applications using Solr / Elastic Search is a Must
- Experience and working knowledge of AI/ML/ML Ops with respect to building large-scale, data-intensive applications would be a Plus
- Experience and working knowledge in building Java based Spring Boot micro-services integrated with any messaging framework
- Driven, Highly-motivated and passionate towards development & innovation
- Determining project requirements and developing work schedules for the team.
- Delegating tasks and achieving daily, weekly, and monthly goals.
- Liaising with team members, management, and clients to ensure projects are completed to standard.
- Identifying risks and forming contingency plans as soon as possible.
- Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
- Keeping up-to-date with industry trends and developments.
- Updating work schedules and performing troubleshooting as required.
- Motivating staff and creating a space where they can ask questions and voice their concerns.
- Being transparent with the team about challenges, failures, and successes.
- Writing progress reports and delivering presentations to the relevant stakeholders.
- Extremely hands-on in delivering Development and R&D tasks
- Design, plan and perform dev-analysis to determine effort estimates on every sprint for the team
- Running Demo's, ensuring thorough documentation of the features built
- Identify & Plan upgrades to technologies & frameworks from time-to-time
JavaSpring Boot
Role: Senior Software Engineer – Backend Location: Bangalore / Gurgaon / Pune
About the Role
The successful backend engineer will work closely and collaboratively with cross functional teams during all phases of the software development lifecycle.
The incumbent should be competent to provide quick solutions to problems and taking a product or a product’s component through the entire life cycle, optimize the space / time complexity and improve on usability and reliability.
What you’ll be doing:
- Bachelor's degree in Computer Science or related field from top notch colleges
- 4 + years of software development engineering.
- Understanding of fundamental design principles (including MVC).
- Good hands on in AWS scalable environment.
- Experience with different RDBMS and No SQL databases like MySQL, mongo, etc.
- Experience in designing scalable micro-services required.
- Strong knowledge of CS fundamentals including data structures, algorithm design and complexity analysis.
- Proficiency in one language that emphasizes class abstractions (for e.g. Java) and have coded in it for at least 4 years.
- Excellent communication, analytical and problem solving skills.
- Strong organizational skills and the ability to prioritize and work with clients with great efficiency.
- Excellent written and oral communication and presentation skills and the ability to express thoughts logically and succinctly.
- Open minded, Team builder, Good communicator and ability to lead and inspire teams.
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
- Experience in dealing with ambiguous/undefined problems; ability to think abstractly
What are we looking for?
- 4 to 10 years of hands on design / development experience.
- Tech / M.Tech Computer Science or equivalent field from a premier institutes.
- Proficient in Java OR C/C++, data structures, algorithms and OO design / design patterns.
- Strong understanding of Computer Science fundamentals.
- Technical depth in OS, computer architecture and OS internals.
- Ability to write scalable and maintainable code.
- Self-starter and goal-oriented with strong analytical and problem-solving skills.
- Must be able to work cooperatively within a strong diverse technical community to expedite development tasks.
- Experience in Machine Learning is a plus
PS: Code review and team leading expereince is a pluys for Tech Lead role
What we offer
- Competitive salary and excellent benefits, in a diverse working environment with inspiring and hardworking colleagues
- A positive, get-things-done workplace.
- An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
- Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale.
- A flexible working environment where you can drive your outcomes.
About us
At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at www.payu.com
Our Commitment to Building A Diverse and Inclusive Workforce
As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.
JavaSpring BootExperince is 2 to 5 yrs and 5 + yrs (In-depth knowledge and hands on experience on Spring Boot & Java is mandatory
Java● Strong programming skills in designing and implementation of multi-tier applications using web-based technologies like Spring MVC andSpring Boot.
● Knowledge in Spring Core such as Dependency Injection,Annotations and XML based Configurations.
● Knowledge in Spring JDBC & Spring Hibernate ORM.
● Good experience in developing applications with RESTFul Web Services.
● Knowledge in technologies like Apache Tomcat 7.0/8.0/8.5, Nginx
● Expertise in MySQL database technology
● Proficient at designing dynamic web applications using HTML5,
CSS3, JavaScript, jQuery, AJAX, JSON with responsive web applications using Bootstrap.
● Knowledge in AngularJS, Angular 2+ practices in commonly used
modules and creating reusable Components, Pipes and Services.
● Experienced in version control tools like GIT and ticket tracking platforms like Redmine, Backlog, etc.
PythonJava
Go Programming (Golang)
DjangoObjective of the Role:
We are here to build a world-class tech organization with elite engineers and change-agents who would spearhead this change. Currently, we are looking for engineers who are skilled, passionate, driven and a wee bit crazy (yes, crazy works!) to join our tribe. The current position is for the supply chain teams and our primary focus is on scale and cost optimization. The small tweaks you make, the processes you alter, experiments you run and the business decisions you drive will have reverberating effects on our ability to add value to our customers and keep them coming back for more.
Role & Responsibilities
- Design and build the system which enables the logistics team to store and deliver 15 million products per month to customers across 20 cities in India
- Work on the vision, roadmap, and processes that make customer delivery experience more delightful
- Work across teams to design a platform that scales and is flexible enough for various kinds of future scenarios
- Work on optimizing the whole logistics supply chain from warehouse to customer
- Innovate to improve the efficiency of the existing supply chain systems
Desired skills & abilities: - 3-6 years of experience in software development
- B.Tech. / B.E. degree in Computer Science or equivalent software engineering degree/experience
- Experience in architecture and system design 2Experience in running high performance distributed systems
- Understanding and implementation of security and data
- Highly experienced in back-end programming languages like Python, Java, JavaScript
- Experience with cloud message APIs and usage of push
- Knowledge of code versioning tools such as Git, Mercurial or SVN
- Solid experience in software development practices
- Ability to mentor and manage teams
- Exposure to Agile/Scrum and Design thinking approaches
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Full Stack Developer - Averlon