

Job Requirements
- Excellent knowledge of full stack web application development.
- Candidates must have experience on any one of the popular frontend technologies (ReactJs, Angular, Vue.js).
- Candidates must have experience on any one of the popular backend technologies (Node.js, .NET Core, Java).
- Candidates with experience on ReactJS and Node.js would be preferred.
- Excellent knowledge of rest services-based microservice architecture.
- Having knowledge of Docker, Kubernetes and other Devops technologies would be nice to have.
- Experience with architecting highly optimized web based applications.
- Excellent technical, diagnostic, and troubleshooting skills.
- Good understanding of agile software development processes.
Job Responsibilities
- Guide the overall implementation of the solutions and address day-to-day technical issues related to the project.
- Work with cross-functional teams to create a shared vision.
- Educate teams about software development processes.
- Should be able to run teams and keep people motivated throughout the project.
- Ensure the product shapes up as envisioned.

About Zeus Learning
About
Zeus Learning is a learning technology solutions provider that focuses on the North American and European educational markets, working with several organizations, from the largest publishers to small nonprofits, over the last 19 years. At Zeus Learning, we leverage leading-edge technology and inclusive design to transform the way learning experiences are created.
Our team of 300+ understands the rigorous demands of the changing educational landscape. We believe that a solution is out there and that by keeping focused on the people we’re designing for and asking the right questions, we’ll get there together. Our line of products and services include Learning Management Systems, Assessment Management & TEI Systems, Software Skills Simulation Systems, Virtual Classrooms, Learning Portals and Websites, Mobile Apps, as well as interactive content such as learning games and explorations.
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Javascript, Callback, Async, Promise, Experience in writing restful APIs, Javascript, Nodejs, ReactJs, MySQL.
Immediate Joiner

3-5 years of experience as full stack developer with essential requirements on the following technologies: FastAPI, JavaScript, React.js-Redux, Node.js, Next.js, MongoDB, Python, Microservices, Docker, and MLOps.
Experience in Cloud Architecture using Kubernetes (K8s), Google Kubernetes Engine, Authentication and Authorisation Tools, DevOps Tools and Scalable and Secure Cloud Hosting is a significant plus.
Ability to manage a hosting environment, ability to scale applications to handle the load changes, knowledge of accessibility and security compliance.
Testing of API endpoints.
Ability to code and create functional web applications and optimising them for increasing response time and efficiency. Skilled in performance tuning, query plan/ explain plan analysis, indexing, table partitioning.
Expert knowledge of Python and corresponding frameworks with their best practices, expert knowledge of relational databases, NoSQL.
Ability to create acceptance criteria, write test cases and scripts, and perform integrated QA techniques.
Must be conversant with Agile software development methodology. Must be able to write technical documents, coordinate with test teams. Proficiency using Git version control.



- Hands-on expertise in managing technical teams and work closely with business stakeholders
- Should be familiar with card testing and POS ecosystem.
- Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
- Payment’s domain experience.
- Extensive experience on Base24 & SWITCH part for payment format.
- Exposure on ISO8583 Messaging system.
- API understanding and creation.
- Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
- Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
- Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
- Must have strong technical skills in Android APK and iOS development Concept and Web services.
- Supportability, monitoring, ops in general.
- Accurate cost models to deploy and operate
- Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
- Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
- Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
- Extensive experience with payment devices (pin pads, printers, registers, scanners).
- Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular.
- Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
- Experience in messaging tools like Kafka/AWS Kinesis etc...
- Design expertise for performance, scalability, fault tolerance and high availability
Technical Competencies Required:
- Experience with POS systems and Payments domain.
- Demonstrated experience for systems architecture, design, and integration for POS systems
- Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
- Experience with one or more RDBMS databases like MySql, PostGreSQL
- Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
- Caching technologies like: Redis, Elasticache,
- Cloud Providers like: AWS/ Google Cloud / Azure
- CI / CD : Jenkins, Docker, Kubernete


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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2. Completely responsibile for architecture, wireframe, frameworks, coding, UI/UX, Database, Security, privacy etc.
3. Developing Android and Web Applications.
4. Responsible for cost optimzation and scalability of the product.
5. Preparing and presenting reports related to product development
At BigRadar we automated consumer interactions using Chatbots. You'll be working in the backend to create services to make it happens. Obviously, we're looking for self-driven individuals who're proud of their code and do care about no more spaces.
Requirements:
- At least 3 years experience.
- Writing HTML, CSS, and JavaScript.
- Expertise in front end framework like Angular (preferred) or React.
- Expertise in back-end programming language JavaScript, TypeScript, NodeJs.
- Working with RDBMS such as Postgres or MySQL.
- Experience implementing testing platforms and unit tests.
- Proficiency with Git.
- Appreciation for clean and well-documented code.
- Understanding of microservices and distributed systems.
- Experience working with AWS infrastructure.
- Docker or Kubernetes.
- Message queues such as Kafka.
- CI/ CD tools such as Jenkins.
BigRadar is an early-stage SaaS company which delivers great customer satisfaction. Our monthly Monthly revenue rate is increasing rapidly which create great career opportunities for people working with us.
Since, our primary customer base in London, UK. We will soon launch our office there!
Overview
This position, under the general direction of the Lead and/or Manager, Software Engineering, will be responsible for technical and development support for our award-winning K-12 software. This role will implement, code, build, and test new features, maintain existing features, and develop new plugins/accelerators that will enhance the functionality of our existing product. Additionally, this position will gather and refine requirements, develop designs, implement, test and document solutions to produce the highest quality product and customer satisfaction.
Responsibilities
Essential duties and responsibilities include the following.
- Develop modules and functionalities in front end using Angular, Typescript framework.
- Development of plugins using Node.js(Express.js).
Configuring and Working with MongoDB.
Working on Reusable libraries, Packaging in Nodejs.
Experience in Jira, Development lifecycle, handling and completing tasks assigned in Jira.
Qualifications
To be considered for and to perform this job successfully, an individual must be able to perform each essential duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill and/or ability required.
Qualifications include:
- 4+ years’ experience in software engineer role
- Bachelor’s degree in Computer Science or Information Technologies required or equivalent experience
- Knowledge of current web client technologies including demonstrable proficiency with Javascript, Angular 6,7,8, NodeJs, ExpressJs, Typescript, MongoDB, Graph QL, Bootstrap, HTML5, Css3, Json, Ajax, Scss, SASS, JQuery, GIT Lab
- Proficient in SQL, Oracle experience a plus
- Ability to architect, test, develop, implement and troubleshoot Front End applications
- Strong written and verbal communication skills
- •Strong ability to handle a heavy workload with multiple projects and frequent interruptions
- Strong ability to work in a changing, dynamic environment
Responsibilities
- Responsible to translate the design wireframe to WordPress/Opencart/
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
- Responsible for handling WordPress and its components / plugins upgrade , customization / creation of web application and portal development independently.
- Should have a strong understanding of Logic and Data Structure.
- Passion for best design and coding practices and a desire to develop new bold ideas.
- Code and modify custom applications using CMS Platforms.
- Responsible for both back - end and front - end development , including Modifying WordPress themes and plugins.
- Strong MySQL database skills.
- Comfortable working with front - end technologies (HTML , CSS , Jquery , JavaScript)
- Experience of CMS like Wordpress , Opencart , Magento.
- The candidate should have a strong understanding of industry trends and content management systems.
- Experience with responsive and adaptive design is strongly preferred.
- Also , an understanding of the entire web development process , including design , development , and deployment is preferred.
- Having experience of WooCommerce Customization , WooCommerce develops / modify add - ons , WooCommerce API , Wordpress / WooCommerce Webhooks , WooCommerce Payment Gateway development and Wordpress API.




