
Java Developer – Job Description
Wissen Technology is now hiring for a 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 Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ 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 offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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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Lead Software Engineer - Backend
It is evolving the way people discover the world by connecting them with exceptional experiences in their city at the push of a button. We are building a magical platform that gets everyone to head out and have fun in a matter of seconds; no matter where you are and what you want to do. We are combining a delightful product experience, data-driven decisions, sophisticated supply side logistics network, and world-class operations to solve a huge basic human problem: how do we have a good time?
We’re growing rapidly with over $200M in annualized sales, 150,000 monthly transactions and profitable unit economics. We are backed by some of the finest investors in Silicon Valley & India.
We like to solve real-world problems in the simplest, most elegant manner possible. We’re looking for a QA Lead with the ability and passion for building solutions to people-centered problems that are created at the intersection of human behavior and technology. You should also be capable of building and mentoring a fast-growing passionate, young, and talented team. We love folks who have a sense of humor and know how to have fun.Dream, build and iterate. That's our mantra. Because good just isn't good enough.
👩💻 The Role
- Full responsibility of designing and building core modules on the application and infrastructure layer.
- Lead a fast-growing team of young, passionate, talented and fun loving superstars.
- Solve challenging architectural and design problems.
- Get your hands dirty with clustering, replication, databases, build systems and infrastructure automation etc.
- Be responsible for building concurrent, performant and scalable services which will power the entire Headout ecosystem.
- Build and contribute to open-source libraries and components.
🌟 Our Dream Engineer
- A penchant for learning and building with new technologies and frameworks.
- You love working with people and have worked in a lead position in the past.
- A knack for writing the most performance optimized code along with it being modular and scalable.
- No challenge is too big to solve; love thinking product and excited to ideate & build stuff all by yourself.
- You're interested in being an early employee at a growing company, with the influence and responsibility that entails.
- You have broad and deep knowledge across a variety of contemporary technologies.
💝 We like
- Strong CS fundamentals, good working knowledge of classic algorithms and data structures.
- 2+years experience developing server-side technologies using any language or framework.
- Excellent communication, collaboration and people management skills.
- Experience working with Spring, Relational Databases, Concurrent Programming, NoSQL flavors, AWS.
- Experience designing scalable, fault-tolerant systems and databases.
- Experience with setting setting up systems and infrastructure.
- Solid understanding of how the web works and its underlying communication protocols.
- People who can't live without solving that algorithm problem that they just stumbled upon.
- People who will give up anything to squeeze in that last bit-level performance.
- Anything else than can surprise us.
- Nice to Haves: An interest in travel, local experiences & hospitality.
About the role
As a core team member in our growing startup, we're looking for an exceptionally hard working candidate who is full of ideas, accountable and has self-learning abilities and make a significant contribution to our growth journey.
Requirement:
The candidate must have at least 2 years and ideally up to 8 years of experience in an IT Product company / Startup. Must have expertise in
MUST HAVE SKILLS
Back-end development using Laravel, Lumen, MySQL / PGSQL
- RESTful API development & integration of 3rd party services (like payment gateways, Email marketing tools, SMS/ Whatsapp, etc.)
- High quality coding which can be replicated and used to scale.
- Prompt to troubleshoot and fix bugs and use of GIT
PREFERRED SKILLS (Not Mandatory)
- Experience in React.JS, AWS, DevOps
- Experience in a Product based SaaS Startup.
- Passionate about building products and features and building a product from scratch with thrust on DevOps, Web security, TLS/SSL, web sockets, etc.
- Have a good understanding of setting up & managing cloud servers like AWS, Google cloud, etc.
- Manage Key-value based databases like Redis
Additional Information
- Immediate / Early joiners preferred.
- This is a Work from Office / Hybrid role.
- Office is in Green Park, New Delhi 110016 (5 min walk from Metro station)
- BYOD - Bring your own device (Laptop)
- Candidate must be willing to work in a high exposure - high accountability Startup environment and grow significantly with the company.
About the Company
hiringplug™ is an AI Marketplace of specialist Recruiters that enables companies to acquire top talent, faster. The company offers an Award winning RaaS™ Marketplace: Recruitment as a Service Marketplace™ The company is at an interesting expansion stage and looking for exceptional talent to be a part of their growth story. | www.hiringplug.com
Get to know us
- https://www.instagram.com/" target="_blank">https://www.instagram.com/hiringplug
- https://www.facebook.com/" target="_blank">https://www.facebook.com/hiringplugofficial
- https://twitter.com/" target="_blank">https://twitter.com/hiringplug
- https://blog.hiringplug.com
- www.hiringplug.com
- “Top HR & Work Tech Startup” – by People Matters both in 2019 & 2020
- “10 Best HR Tech startups 2019” – by Silicon India in Oct 2019
- “Best resourcing software 2019” – by HR Association of India in Jan 2019
Talk to you soon!
● J2EE with a good understanding of Servlets and JSP
● Experience in Spring Modules – Spring IOC and AOP, Spring Boot (version 2 plus), JDBC
● Expertise in design and development of various web and enterprise – level applications using Java/J2EE
technologies such as Spring, Hibernate, Rest services.
● Web Services (including SOAP, XML, XML Schema, JSON, and REST)
● Tools required: Maven,Eclipse, Github, and Swagger
● Good knowledge of SQL and Redis (NOSql)
● Ability to document requirements and specifications
● Proven work experience as a Software Engineer or Software Developer
● Ability to develop software in Java or any other OOPS languages
● Excellent knowledge of relational databases, SQL and ORM technologies (JPA2, Hibernate)
● Experience in developing Web Applications using at least one popular Web Framework (Spring)
● Experience with test-driven development
● Proficiency in software engineering tools
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Mandatory Skills |
Good to Have Skills |
|
JDK 1.8 + |
PLSQL |
|
Microservices |
Knowledge of SQL Performance Tuning |
|
Spring framework |
Experience with Cloud |
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Spring Boot |
Knowledge of Cloud Foundry (Pivotal CF) |
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Java Messaging Services (JMS) / Kafka / Rabbit MQ |
On-call support experience with PagerDuty, Service Now |
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SOAP & REST APIs |
Knowledge of infrastructure monitoring tools like Nagios, New Relic |
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SQL |
Knowledge of Splunk |
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ORM technologies like Hibernate / IBatis / MyBatis |
Experience working with Lean and Extreme Programming (XP) |
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Continuous integration tools like Jenkins/ Bamboo |
NoSQL databases such as MongoDB or any other NoSQL DB |
|
Code Quality tools/frameworks like Sonar / PMD |
Automated Integration Testing & Contract Testing |
|
Automated Testing. Unit Testing, |
|
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Agile development methodologies |
|
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:
Job Description:
3+ years of experience as a JAVA/J2EE technologies developer in delivering highly available and scalable applications in a cloud operating environment. - Expertise in Spring framework and equivalent.
- Experience in developing Java Microservices using spring boot, docker, Kubernetes etc.
- Programming expertise in Java, JavaScript; and familiarity with other languages.
- Experience building, testing, and consuming REST APIs is a must have experience.
- Experience with high-throughput messaging technologies and patterns; Kafka and/or related technologies a plus.
- Exposure to databases of any types relational, analytical, columnar, etc; including MySql.
- Experience with Git source control and building/maintaining Continuous Integration and Delivery pipelines; Jenkins experience a plus.
- Expertise in Object-Oriented Development.
- Experience working in an Agile/Scrum-inspired delivery methodology. - Expertise with database programming, transaction management. Expertise with build tools – MAVEN, Gradle.
- Expertise in design patterns and data structures.
- Good understanding of Unit test tools.
- Good analytical skills to break down requirements and solve complex problems.
- Good understanding of Source control toolsets.
- Well-developed verbal and written communication skills.
- Proven track record to meet aggressive timelines.
Required Skills:
Good to have
- Understanding CI tools like Jenkins, Bamboo.
- Experience with Google Cloud Platform or equivalent.
- Experience with Microservices and/or Monolith to Microservice migration.
- Experience with frontend technologies like to react, angular is a plus
- Good Linux experience
· Strong knowledge of core java & spring boot
· Hands-on experience on payment switch integration
· Good knowledge of ISO8583 and EMV Data.
· Hands-on experience on any database like MySQL, oracle...etc.
· Should be strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.
· In depth knowledge of Card Scheme Specifications (VISA, MasterCard, Rupay and AMEX), Card
· Well versed with payment standards and ISO8583 and EMV data (mandatory),
· Hands on experience with Switch payment integration
· Resolve technical issues for designers and developers during project lifecycle
· Excellent problem solving/troubleshooting skills on Java/J2EE technologies
· Result oriented and a versatile engineer who is expert in providing solutions, creating architecture and designs.
· Excellent communication (written and verbal) and interpersonal skills
Payment card industry preferred
Designation - Senior Java Developer
Experience - 4+ Years required
-Proven working experience in Java Spring Boot framework
-Proven working experience in Java development
-Proven hands-on Software Development experience
-Experience in Spring boot micro services
-Experience working with tools like Git, Maven,SVN.
-Expertise developing enterprise-level web applications and RESTful APIs using Spring boot, with demonstrable production-scale experience.
- Working experience in Industry Standard protocols related API Security including OAuth is a must.
- Demonstrate strong design and programming skills using JSON, Web Services.
- Working knowledge with SQL Server databases.
- Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
- Strong agile/scrum development experience
- Strong collaboration and communication skills within distributed project teams
- Excellent written and verbal communication skills
Skill Required – Core Java, Java 8 Feature, Spring Core, Spring boot , Spring Data JPA, Hibernate..Etc
We are looking for Senior Backend Engineers to design and build the systems that power our core business of lending and loan processing. As a Senior Backend Engineer you will be expected to contribute significantly to your team. Your work is consistently of high quality. You solve complex problems, applying appropriate technologies, design patterns, and best practices. Your focus is on a major portion of existing or new team software. You work with your team to design and build software that is secure, correct, observable, and resilient. Your solutions are pragmatic. You identify the proper level of complexity for a task and advise your peers and manager on technical approach.
What you’ll do
- Design, implement, and maintain developer-friendly APIs and services
- Contribute to code and architecture reviews to keep our code quality high
- Debug and resolve production issues; take part in blameless postmortems
- Plan and execute smooth migrations to new technology as a way of managing technical debt
- Build tools and automation for our business and operations teams
- Make decisions on trade offs such as: Reuse versus introducing dependencies; Extensibility versus over-engineering; and Maintainability versus time to delivery (via short-term workarounds)
- Contribute to the improvement of your team’s code review standards, design discussions, team planning, and AARs.
You may shine in this role if you
- Have a track record of shipping software in a distributed systems environment
- Are enthusiastic about collaborating across departments to solve challenging problems
- Are pragmatic about the need to release less-than-perfect software and continuously iterate on it
- Can identify and articulate trade-offs in software and data design
- Can communicate both technical and business requirements fluently
- Are excited about both learning new things and teaching others
We speak mainly in javascript and golang, though we are open to engineers with different backgrounds and languages







