Java
Spring BootJob Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts.
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.
Company social profiles
Similar jobs
Python
NodeJS (Node.js)Java
Amazon Web Services (AWS)Job Title: Lead Backend Web App Developer
Experience: 10–15 Years
Location: Bengaluru (Hybrid)
Role Overview:
We are seeking an experienced Lead Backend Web App Developer to design and maintain scalable, cloud-based backend systems. This role demands expertise in microservices, AWS, and backend technologies to deliver efficient and high-performing applications.
Key Responsibilities:
- Build and maintain scalable backend systems for cloud-based web applications.
- Develop microservices using AWS (Lambda, SQS, SNS) and databases (MySQL, NoSQL).
- Design and implement REST APIs for seamless communication between systems.
- Create containerized solutions with Docker for efficient deployment.
- Solve real-world problems with enterprise-class product designs.
- Contribute to key decisions on product and technology direction.
- Promote frameworks, standards, and new technologies within the team.
Required Skills:
- Experience: 10+ Years in Backend Development; 3+ Years in large-scale, microservices-based projects.
- Backend Technologies: Proficiency in Python, Node.js, and Java.
- Cloud Expertise: Strong experience with AWS services (Lambda, SQS, SNS).
- Database Skills: Expertise in MySQL and NoSQL databases.
- Microservices Architecture: Deep understanding of distributed systems and scalability.
- DevOps Tools: Hands-on experience with Docker.
- API Development: Proven expertise in designing and consuming REST APIs.
- Soft Skills: Excellent problem-solving and communication abilities.
Why Join Us?
- Work on impactful projects with real-world applications.
- Solve complex problems in a dynamic, fast-paced environment.
- Collaborate with a team of skilled professionals.
JavaSpring Boot- To support and maintain existing Java code base, debug the application
- To analyse user and business requirements and design and implement appropriate solutions
- To design and code programs following in-house standards and good design principles
- To ensure that all programs are documented to the company standards
- To create unit test plans and perform unit testing of the programs
- To provide advice and guidance to other members of the team
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns
- Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience in RESTFul webservices
- Experience with test-driven development
- Exposure to portal/mobility development - Desired
- Exposure to any of middleware solutions like MQ, Oracle fusion middleware(WebLogic), WebSphere, Open Source
JavaSpring Boot• Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for Mihup, its customers
and partners.
• Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
• Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
• Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
• Work in a startup environment, pushing boundaries with deep involvement with business.
Requirements (what we are looking for)
The right person is better than the right set of experiences and these are the traits we’ve
identified make great additions to our team.
• BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
• 6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1
– 2 years of experience would be in leading a team of software developers.
• Expertise in Java 8+ and Spring Boot is a must
• Good experience in messaging platforms like RabbitMQ/Kafka
• Good experience in distributed systems and relational & NoSQL databases like
PostgreSQL, MySQL, Redis, MongoDB, etc.
• Expertise in one or more of: Java, NodeJS, GoLang, Python would be preferred
• Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
• Worked on microservices based architecture and design
• Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
• Knowledge of Docker and Kubernetes
• Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture
Pluses
1. Anything that will let us know more about who you are that you would like to share such
as Blogs, Twitter, Medium, GitHub etc.
JavaSpring BootResponsibilities:
- Develop back-end server that includes business logic linked to various data storage solutions including database.
- Design back-end server system by using technology appropriate for server environment.
- Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.
Requirements:
- Excellent Programming Skills.
- Strong problem-solving abilities.
- Analytical skills, and troubleshooting.
- Good understanding of algorithms, data structures, and performance optimization methods.
- Hands-on with Design, Coding, Debugging, and Testing.
- Excellent Communication & Interpersonal Skills, Team Player.
Programming Skills:
- C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
- Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
- Fast Data Processing - Storm - Rules Engine - Drools.
JavaSpring BootIf you are passionate about technology and asynchronous, reactive systems sound like fun then join our small team of developers who are defining the digital payments space in India. A place with lot of potential to learn payments domain and unleash the engineer in you to build scalable, reliable, low-latency systems to help banks reduce the digital divide.
Responsibilities
- Developing new software based on the client or organization requirement.
- Working on the Change Requests raised by clients.
- Understanding the business requirement of client and provide software solution to solve the business requirement.
- Analyzing the existing software/solution/code and enhance it as per requirement.
- Debugging/ Analyzing existing software/ services and carry out changes as per
- Co-ordination with the onsite team and provide solution to the problems/ enhancements/bugs etc. reported.
- Working with field engineers, need to visit customers if the problem is more serious.
- Support Deploying, testing of new releases/bugs/issues in new patches and support
- client in testing if required.
- Support on-site team or clients during production release/ DR / System upgrade etc.
Skill-Set Requirement
- Excellent knowledge and in hand experience of working on JAVA, HIBERNATE and SPRING.
- Good knowledge of Any Database (Oracle/SQL/MYSQL etc.) DDL &DML queries.
- Knowledge of the software life cycle.
- Strong knowledge of the OOPs concepts.
- Good analytical and problem-solving skills.
- Good communication skill.
- Prior knowledge of Linux operation system is welcomed/preferred.
JavaPython
Ruby
PostgreSQL
Type: Individual contributor with good hands on proficiency.
Must have
- Strong proficiency in at least one of Java, Ruby, Python
- Exposure to databases: any of PostgreSQL, MySQL, Apache Cassandra
- Any NoSQL database experience is a plus
- Exposure to AWS cloud infrastructure: EC2 or S3
- Proficiency with Git
- MUST: Using REST to make API calls.
Great to have:
- Experience working with one or more middleware, enterprise bus, queueing frameworks
- Any of Memcached/Redis, Apache Kafka / RabbitMQ / PubSub+ / AmazonMQ
Soft skills:
- Appreciation for clean and well documented code
What will you do at Tradyl:
(Examples for illustration only)
- Build a shipping service module that is called by our website to query shipping rates from India to a destination country. Configure this to so that an Ops person can update shipping costs as and when they change. Own deployment and monitoring of this service.
- Use Zapier to build a workflow to export a MixPanel report into a Google sheet every day.
- Change our supplier portal (built on bubble.io) to make an API call to our customer facing site, whenever a supplier modifies his profile.
- Write an alert mechanism that identifies catalogues with insufficient information and makes them non discoverable, which can run every day.
- Work with Business Team to design a workflow for product inwarding using Airtable. Write a small app within Airtable so that whenever a product is updated as “shipped” in airtable, it updates the customer facing website.
- Use an open source dashboarding framework to create a quick dashboard to track important business events.
Go Programming (Golang)
CJavaDot is a technology start-up, operating in Fintech and e-commerce space. With the aim to
revolutionize offline-to-online(O2O) space, Dot strives to enable digital transformation of Offline businesses using smart innovations. This is a huge market, serving the 1.3 billion strong Indian population.
The start-up is led by a strong and experienced team. It has already raised seed funding of ~US$ 35.5 Million from renowned investors.
To know more, head over to: www.dotpe.in
About the Founders
The company is led by an experienced team, three ex-PayU employees - Shailaz Nag, Gyanesh Sharma & Anurag Gupta, with proven expertise & knowledge of the fintech space as well as experience in building & managing companies.
Shailaz Nag is a well known visionary entrepreneur. He was ex-Managing Director and co-founder of PayU, (India’s largest and profitable Payment Company) which is currently valued at US$ 3 Billion. He was also one of the founding members of Ibibo Group. Shailaz Nag is a Chartered Accountant and also holds an MBA degree.
Gyanesh Sharma is an IIT Delhi alumnus, holding a B.Tech. degree in Computer Science. He has strong experience in leading tech teams, holding position of
● CTO at Shopclues
● Head of engg. at PayU
● Engg. Head at MakeMyTrip
Anurag Gupta has a decade long experience in building financial services business. He was Vice-President & Business head at PayU for Omnichannel business. He also headed Bank & Product Partnership for PayU.
Investors
Dot has raised seed funding of US$ ~35.5 million from
● Naspers Fintech (PayU) -
○ $120bn group with global presence. Listed in London, Johannesburg, Amsterdam
○ Presence in India : MMT-Goibibo, PayU, Flipkart, Swiggy, Byju’s, OLX
○ Global Presence : Tencent - WeChat, OLX
● Fosun RZ Capital
○ Affiliate of Fosun Group - A $100Bn Chinese conglomerate
○ Presence across global growth markets
● Info Edge
○ Parent company of naukri.com, jeevansaathi.com, 99acres.com, shiksha.com
○ Listed on NSE & BSE with a market cap of INR 27,000 crore
○ Major investor in zomato.com & policybazaar.com
Products
At Dot, we are solving the key problems that lie at the heart of Offline businesses by equipping them with commerce and fin-tech products. We are building a horizontal Omni-channel platform encompassing several Products all aimed at empowering all types of merchants, big or small, with Digital Technology. Whilst strengthening the merchants, our products also aim to direct this digital transformation towards improving the customer journey.
Our initial Product line-up has already garnered attraction from several renowned enterprises as well as significant interest from every medium and small-scale merchant we touch. And this just marks the start of our journey!
About Profile
Responsibilities
• Understanding the business requirement and provide good scalable solution
• Integration of user-facing elements developed by a front-end developers with server side logic
• Completely owning the backend services of a module
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Our stack is ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS
Skills and Qualifications
• Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
• A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
• Experience with building and scaling apps with RDBMS as well as NoSQLs.
• Experience creating scalable Web APIs for mobile and browser consumption
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Have a penchant for solving complex and interesting problems
• Worked in start-up culture with high levels of ownership and commitment
• Excellent coding skills – should be able to convert design into code fluently
• Engineers from Tier 1 colleges
This leads to a very interesting and challenging use case in the emerging field of large scale distributed HTAP, which is still not mature enough to provide a solution out of the box that works for our scale and SLAs. So, we are building a solution that can handle the complexity of our use case and scale to several trillions of rows. As a "Database Engineer", you will evolve, architect, build and scale the core data warehouse that sits at the heart of Clarisights enabling large scale distributed, interactive analytics on near realtime data.
What you'll do
- Understanding and gaining expertise in existing data warehouse.
- Use the above knowledge to identify gaps in the current system and formulate strategies around what can be done to fill them
- Avail KPIs around the data warehouse.
- Find solutions to evolve and scale the data warehouse. This will involve a lot of technical research, benchmarking and testing of existing and candidate replacement systems.
- Bulid from scratch all or parts of the data warehouse to improve the KPIs.
- Ensure the SLAs and SLOs of data warehouse, which will require assuming ownership and being oncall for the same.
- Gain deep understanding into Linux and understand concepts that drive performance characteristics like IO scheduling, paging, processing scheduling, CPU instruction pipelining etc.
- Adopt/build tooling and tune the systems to extract maximum performance out of the underlying hardware.
- Build wrappers/microservices for improving visibility, control, adoption and ease of use for the data warehouse.
- Build tooling and automation for monitoring, debugging and deployment of the warehouse.
- Contribute to open source database technologies that are used at or are potential candidates for use.
What you bring
We are looking for engineers with a strong passion for solving challenging engineering problems and a burning desire to learn and grow in a fast growing startup. This is not an easy gig, it will require strong technical chops and an insatiable curiosity to make things better. We need passionate and mature engineers who can do wonders with some mentoring and don't need to be managed.
- Distributed systems: You have a good understanding of general patterns of scaling and fault-tolerance in large scale distributed systems.
- Databases: You have a good understanding of database concepts like query optimization, indexing, transactions, sharding, replication etc.
- Data pipelines: You have a working knowledge of distributed data processing systems.
- Engineer at heart: You thrive on writing great code and have a strong appreciation for modular, testable and maintainable code, and make sure to document it. You have the ability to take new initiatives and questioning status quo.
- Passion & Drive to learn and excel: You believe in our vision. You drive the product for the better, always looking to improve things, and soon become the go-to person to talk to on something that you mastered along. You love dabbling in your own side-projects and learning new skills that are not necessarily part of your normal day job.
- Inquisitiveness: You are curious to know how different modules on our platform work. You are not afraid to venture into unknown territories of code. You ask questions.
- Ownership: You are your own manager. You have the ability to implement engineering tasks on your own without a need for micro-management and take responsibility for any task that has been assigned to you.
- Teamwork: You should be helpful and work well with teams. You’re probably someone who enjoys sharing knowledge with team-mates, asking for help when they need it.
- Open Source Contribution: Bonus.
JavaNodeJS (Node.js)JavaAmazon Web Services (AWS)
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon