
-Design and maintain efficient database solutions using RDBMS.
-Write complex SQL queries for data extraction and manipulation.
-Implement and optimize AWS services for scalable application deployment.
-Develop server-side logic using PHP and integrate front-end elements with JavaScript.
-Collaborate with teams to design, develop, and deploy web applications.

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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Job Description
Job Purpose
We work in the latest technology, and our foundations are data structures, algorithms, strong logical reasoning, and mathematics. We are looking for very strong engineers who love coding, optimizing, and making sure their code is the most efficient possible.
You will be involved with hardcore development. If you are an assembler of code or packages from different places to build something, you may not find our team to be the right fit.
You must be someone who can build anything from the ground up. Programming language should not be any barrier for you, as you should be able to pick up any programming language or underlying technology within a week.
Key Areas of Responsibility
Core development. Ready to participate in designing, brainstorming, and development process. You must give sleepless nights to meet deadlines whenever required.
Desired Candidate Profile
Essential Skills
- Reliable, Accountable and Trustworthy
- Ability to understand software requirements based on a wireframe/program specification
- Familiarity with GoLang / PHP / Python / Java / C / C++ / Linux Shell and Scripting / HTML / CSS / JS / Node.js is a plus
- Effective communication skills to ensure smooth coordination of tasks with Team Leader
- Knowledge of MongoDB, MySQL, and PL/SQL is a plus
- Familiarity with ML, TensorFlow, and Keras is a plus
- Knowledge of web servers such as Apache, NGNIX, and the HTTP protocol is plus
- Knowledge of multi-process, threads, memory, and filesystem on Linux is desirable
To consider you for current opening, please make sure to understand the following question and solve it. A simple program in any programing language would do. If you are not able to solve this, then please do not apply.
Write a function foo(x) where foo(foo(x)) = -x (assume x to be an integer, and foo(x) has to be always real), any programming language would do. Before submitting the answers, plz verify that the output of foo(foo(10)) should be -10 and foo(foo(-10)) should be 10.
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Roles/Responsibilities:
Own a team of 15-20 Developers and QAs at various levels
Provide continuous feedback, training and make sure team is working on their full
potential at all time
Review the architecture/design of a product/module/feature and provide feedback
Architect, design and/or hands-on code the critical portion of a
product/module/feature
Mentor the tech-leads on architecting the product to deliver on-time
Jobs Skills required:
Strong tech background of working in product company
Understanding of various backend and frontend technologies and its core concepts
Ability to understand the business problems and solve it with innovative tech
solutions
Very strong analytical and problem-solving skills in super changing environment
You should understand concepts of Web very well, Web Services Relational Database : MySQL (Good to know PostgreySQL ) NoSQL DB : MongoDB or any other.
Technical Skills & Competencies: Mandatory:
Web Development – HTML, CSS, JavaScript
Frameworks – ReactJS/AngularJS
Server-side development – Python/Django/Node.js
Database: SQL or NoSQL Databases (SQL Server/ MongoDB)
API Design concepts and Development of RESTful web services
Preferable:
- Familiarity with the Development of reusable frameworks, libraries to be used by multiple development teams
- Familiarity with cloud-native application architecture patterns
- Hands-on experience on project management tools like Jira
- Experience using DevOps Tools for CI/CD
- Conversant with agile methodologies
Roles & Responsibilities
- Work independently or in a small team setup
- Manage a team of highly skilled Frontend/Full Stack and Backend developers
- Creating, executing, and maintaining project plans including activity definition, sequence, dependencies, work effort, duration, and resource requirements
- Work with the technical team, communicating requirements and ensuring all product development meets the goals of the project and overall business and strategic goals
- Project management including release management, add-on compatibility reporting, updating documentations
- Assist in other ad-hoc or administrative tasks as part of daily/routine business activities
- Work with product technical architects to design new products or enhancements. Take part in system development including analysis, coding, and testing
- Performs design and code reviews with senior technical staff
- Act like the person everyone turns to resolve tough technical problems
- Work closely with other teams/vendors to connect front-end components with the other (often third-party) web and data services and support the back-end developers by integrating their work with the application
- Mentors team on proper standards/techniques to improve their accuracy and efficiency
- Performs the unit testing, system integration testing and assist with user acceptance testing
- Articulates business requirements in sufficient detail such that a technical solution can be designed and engineered
- Develops technical understanding of how the data flows from various source
- Provide ongoing support to applications used within the organization
Requirement
- 5+ years of experience in product development, with 2+ years of experience in a leadership role in current organization
- Reliable, self-motivated, and self-disciplined individual capable of planning and executing multiple projects simultaneously within a fast-paced environment
- Exceptional debugging skills and strong experience with performance tuning
- Excellent technical, analytical, and organizational skills
- Good range of hands-on technical experience
- Expert knowledge in Systems Development Life Cycle (SDLC)
- Expert understanding of Node.js and JavaScript
- Familiarity with code revisioning and repo maintenance on Git, code profiling and auditing
Overview
Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.
We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.
You need to have at least 2 years of demonstrated experience as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.
About XcelPros
XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.
XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions. We have been well funded and operational since 2011.
XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds. XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders.
Experience
- Minimum of 2 years of experience in the design and development of Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
- You are required to have experience with development in Microservices Architecture
- Experience with NestJS framework is a major plus
- Hands on experience with GoLang is not mandatory but a major plus
Start Date - Immediate
Positions - 2 (Immediate Need)
Responsibilities
- Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
- Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
- Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
- Experience building applications using NestJS or similar frameworks is a major plus
- Experience building applications and service integrations using Apollo / GraphQL
- Adhere to best practices of engineering by writing high-quality code.
- Hands on experience in Elastic Search and related technologies
- Hands on experience with one or more testing frameworks such as Jest
- You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
- Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
- Develop, build, configure and unit test solutions from low level designs
- Ensure that solutions meet requirements outlined in the design documentation
- Perform all work to agreed time, cost and quality constraints
- Ensure that developed solutions are peer reviewed and formally documented
- Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
- Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
- Participate in support activities to help UI developers integrate with APIs / services
- Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
- Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
- Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
- Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
- Collaborate effectively with other Agile team members
- Work with the Production Support team in the research and resolution of production issues.
- Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
- Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
- Knowledge of GOLANG is a major plus
- Good understanding of the Twelve-factor App methodology is a major plus
- Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
- Experience with Security configuration is a major plus
- Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
- Troubleshoot and resolve complex technical issues in cloud integrations
- Highest levels of code quality
- Needs to conduct weekly code reviews
- Ensure timely and quality release of the product in collaboration with other team members
- Must be a self-starter and able to build up presence in the team.
- Perform other related duties as assigned
Technical Expertise / Hands-On Skills:
- MERN (MongoDB, ExpressJS & Node JS)
- PostGreSQL
- Apollo GraphQL
- JEST
- RESTAPIs
Key Deliverables
- Develop very high sense of ownership, the zeal to build scalable applications
- Develop a deep understanding of product development and start-up ecosystem
- Work with a performance oriented team driven by ownership and open to experiments
- Build customer facing technology product for global customers
- Collaborate with development teams to help identify and develop reusable platforms/libraries.
Key Requirements
- Can do attitude
- Highly motivated to bring fresh thoughts to the table
- Highly creative and most importantly willing to exercise it
- Self-starter and self-learner focused on research and learning
- Ability to play a variety of roles and most importantly take accountability
- Ability to communicate openly and embrace various perspectives without judgment
- Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.
What will I be doing?
- Design and develop solutions to complex technical problems spanning the development of product features, quality validation, and deployment to customers
- Build highly scalable web applications that are designed for high performance
- Lead design and code reviews
- Work closely with senior management, Product Manager, and our team of developers.
- Contribute visibly to product quality, innovation, and customer-centric design across the engineering organization
- Lead, motivate and direct team members to build high-quality software in a fast-paced agile environment
- Actively hire the engineering & product team, & develop the existing team
- Share experiences and skills to aid team members in enhancing their professional skills and career
What skills do I need?
- 4+ years of experience building large scalable systems
- Strong experience in agile methodologies and test-driven development (TDD)
- Experience in software development using open source technologies
- Knowledge in domain-driven design, design patterns, and enterprise integration patterns
- Must have experience in delivering software via complete Continuous Integration and Continuous Delivery (CI/CD) pipeline
Plus Points:
- A history of working on side/hobby projects or contributing to open source projects is a plus
- You have worked in a startup before
Most importantly: Be excited to learn what you don’t already know!
2. Knowledge of JSON, XML, REST, SOAP, Git/SVN, Mvvm Architecture
3. The ability to manage scripts, CRON jobs.
4. Familiarity with continuous integration/build tools such as Jenkins, gitlab, basic CI CD.
5. Object oriented programming using node.js(Preferred)
6. Experience with frameworks such as Express js, Laravel framework is an added advantage
7. The candidate will also be responsible for developing webservices, dashboard, etc.for android app/web portal
8. Good exposure in OOPS and core node.js.
9. Knowledge of e-commerce will be preferred.
10. Knowledge of joomla, drupal, magento and other cms will be an advantage
11. Hacker ability
12. Familiarity with php, Python and Server side devops.
13. Should have knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
14. Should have knowledge of Android UI design principles, patterns, and best practices
15. Should have the ability to design applications around natural user interfaces
16. Should have an understanding of Google's Android design principles (material design) and interface guidelines
17. Should have a good understanding of activity, fragments lifecycle
18. Should have debugging and problem-solving skills
19. Familiar with database design principles









