Backend Developer

If you have a firm grasp of asynchronous programming and an expert in NodeJS and MongoDB. It would be plus point if you have experience in Micro-services and AWS Lambda. If you love challenges and building innovative products then we’d like to meet you. Let's connect!

Job Summary
We are looking for an experienced NodeJS/ExpressJS/TypeScript developer. You will work on the most
critical software development team in a fast-growing data-centric software company. You will develop high performance, highly available REST and GraphQL APIs that will deliver data to our suite of web and mobile
apps.
Duties and Responsibilities
Software Development: You will work with the engineering lead to design and develop REST and
GraphQL APIs that will serve data from MongoDB and ElasticSearch.
Automated Test Scripts: You will write automated test scripts for all of your code. You will work with
the QA manager to determine optimal code coverage.
Code Reviews: You will assist in reviewing PRs raised by other team members. You will be
responsible for ensuring that the code satisfies the documented requirements, includes the necessary
automated tests and follows our documented coding standards and best practices.
API Support: API issues will be reported manually and automatically (via alerts) to a series of Slack
channels. You will monitor these channels and create Jira tickets to diagnose and fix these issues. You
will ensure that affected API consumers are informed regularly as to the status of the open issues.
API Documentation: You (and the rest of the API team) will be responsible for keeping the API
documentation up to date.
Skills and Qualifications
Bachelor's degree in computer science, information science, or similar.
Exceptional analytical and problem-solving skills.
Great organizational and time management skills.
Extensive knowledge of NodeJS libraries and frameworks.
REST APIs: 3+ years required.
GraphQL APIs: 1+ years desired.
ExpressJS or Fastify: 2+ years required
Advanced TypeScript: 1+ years required
NodeJS: 2+ years required
Node Streams: 1+ years desired
AWS High-Availability Clusters: 1+ years desired
MongoDB: 2+ years desired
Search Engines (ES or Solr): 2+ years desired
Big Data: 1+ years’ experience querying datasets with hundreds of millions of rows desired
Mocha/Chai: 1+ years desired
Bitbucket or GitHub: 1+ years required

Looking to hire for a contractual role.
Period: 6 months+
JD:
● 4-7 years of experience building and scaling APIs and web applications.
● Experience building and managing large scale data/analytics systems.
● Have a strong grasp of CS fundamentals and excellent problem solving abilities. Have a good
understanding of software design principles and architectural best practices.
● Be passionate about writing code and have experience coding in multiple languages, including at least
one scripting language, preferably Python.
● Be able to argue convincingly why feature X of language Y rocks/sucks, or why a certain design decision
is right/wrong, and so on.
● Be a self-starter—someone who thrives in fast paced environments with minimal ‘management’.
● Have experience working with multiple storage and indexing technologies such as MySQL, Redis,
MongoDB, Cassandra, Elastic.
● Good knowledge (including internals) of messaging systems such as Kafka and RabbitMQ.
● Use the command line like a pro. Be proficient in Git and other essential software development tools.
● Working knowledge of large-scale computational models such as MapReduce and Spark is a bonus.
● Exposure to one or more centralized logging, monitoring, and instrumentation tools, such as Kibana,
Graylog, StatsD, Datadog etc.

● Working knowledge of building websites and apps. Good understanding of integration complexities and
dependencies.
● Working knowledge linux server administration as well as the AWS ecosystem is desirable.
● It's a huge bonus if you have some personal projects (including open source contributions) that you work
on during your spare time. Show off some of your projects you have hosted on GitHub.

ABOUT THE COMPANY:
Jamun Informatics Private Limited (Jamun) is a Delhi-based startup Backed by Splendor Group, a pedigreed Indian business house. Jamun is focused on creating niche software solutions to solve B2C and B2B problems in the ecosystem of Consumer Durables and Electronics (CDEs). Jamun is creating India’s first Super App for Personal and Home Electronics and Appliances or CDEs – PingKaro. Jamun is partnering with various Brands and integrating with their CRM systems to create a new ecosystem for customers across the country.

POSITION: Fullstack Java Developer / Senior Software Developer
LOCATION: New Delhi
PRIMARY SKILLS: Java, AWS, Spring, Spring, multithreading, mySql, mongoDB.
EDUCATION: B.Tech/B.E. in Any Specialization, MCA
ROLES AND RESPONSIBILITIES
•Someone strong/experienced in Java development along with AWS.
•Hands-on experience with Frameworks like SpringBoot, Spring MVC, hibernate is must
•Good experience with Multithreading & Collections.
•Knowledge of lambda, S3, containers, ElastiCache, Aurora/RDS, noSql(MongoDB),
•Knowledge or experience with AngularJS or ReactJS will be an added one.
•Java 11 is a must.

TECHNICAL REQUIREMENTS:
•Hands-On experience on Springboot, Spring MVC, Web services (RESTful/Web Client API), JPA, Microservices.
•In depth understanding of Databases (mySQL/NoSQL).
•Proficient in Java Collection, Multithreading, Version control tools: GIT/BigBucket, Caching Strategies, JUnit & Mockito Testing, Server side validation, Transaction Management.
•Profound in Memory Management, Performance Tuning, Spring Profiles, Knowledge about Postman, Jira tools, Versioning tools (GIT/Bitbucket), to commit code.
•Good in problem solving and delivering high quality code.
•For API testing understanding of POSTMAN/SOAPUI, Jenkins for CI/CD pipelines and Kibana is a must.
•Hands-on experience on Java11, Spring boot, Web service (Restful/Web Client API), JPA, Microservices, DB working knowledge (SQL/No SQL).

ADDITIONAL SKILLS (SECONDARY SKILLS):
Understanding of AWS, Docker, Swagger, Dev Ops, Scrum/Agile, UI will be a plus.

• Prior Startup Experience would be preferred.
• Immediate Joiners Preferred

We're urgently looking for a ROR developer to join our highly motivated team.

Experience Required- 1-3years

Skills Required:

• Experience in Rails 5
• Good knowledge of MySQL and PostgreSQL
• Experience with popular libraries and APIs such as jQuery, Bootstrap, Ajax.
• Experience in front-end technologies, such as JavaScript, HTML5, and CSS3 will be highly valued.
• Proficient understanding of code versioning tools like GitHub, SVN.
• Knowledge of CI/CD tools is a plus.
• Deploying and maintaining Multistage, Multitier applications in staging and production environments.
• Client Interaction, Addressing client needs.
• Problem-solving attitude with a passion for technology.
• Team worker who can effectively coordinate and communicate with other teams.
• UI technology experience in REACT a plus.
• Must have good communication skills as the candidate will have to interface with clients.
• Candidate having good knowledge of Shopify.

< Good hike on current salary .
<Friendly environment.

<5 days working.

Job Summary:- We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server side of web applications.- If you have excellent programming skills and a passion for developing applications or improving existing ones, we would like to meet you. As a Back-end developer, -You will work closely to ensure system consistency and improve the user experience. -Ultimately, you should be able to develop and maintain functional and stable web applications to meet our company's needs. Responsibilities and Duties:- - Participate in the entire application life cycle, focusing on coding and debugging - Write clean code to develop functional web applications - Troubleshoot and debug applications - Perform Unit tests to optimize performance - Manage cutting-edge technologies to improve legacy applications - Collaborate with Front-end developers to integrate user-facing elements with server-side logic - Gather and address technical and design requirements - Provide training and support to internal teams - Build reusable code and libraries for future use - Liaise with developers, designers and system administrators to identify new features required Experience. Skills and Qualifications:- - Proven work experience as a Back-end developer - In-depth understanding of the entire web development process (design,   development   and deployment) - Hands on experience with JS, ES6, NodeJs, ExpressJs, MongoDB, Building   REST APIs and   Graphql- Excellent analytical and time management skills - Teamwork skills with a problem-solving attitude - BSc/BE or BTec. degree in Computer Science or relevant field

About Us Remember the days when the phone rang and you didn’t know who it was? If it was the company you always dreamt working for? A call from a hospital trying to tell you someone close to you got sick? Or just that stubborn sales guy. Our mission is to make it possible for you to know who’s trying to contact you, and also tell you when not to pick up. We want to remove all uncertainty, making your communication safe and efficient by separating the important stuff from the noise and create trust, no matter if it’s in the beginning of a call, in the middle of a transaction or at the end of a signature. We are building a platform which empowers our users to take control of their own digital identity and making their communication more safe and efficient. We are a diverse organization with over 160 of the best minds coming from different backgrounds, joining hands to ensure our vision of building trust everywhere. Truecaller is one of the fastest growing tech companies in the world. We have 100 million daily active users around the world with the strongest presence in South Asia, Middle East and North Africa. We are backed by some of the most prominent investors in the world such as Sequoia Capital, Atomico, and Kleiner Perkins Caufield & Byers. Your Mission You will be working with the backend that powers the Pay module in Truecaller taking on problems molding the evolving environment of FinTech in India. As a backend developer you will be working with integrating the latest technologies in finance and working in close cooperation with the systems of leading banks and financial institutions in India. Truecaller is a company that has seen scale at a big level and one of your challenges will be to help building an industry leading scalable payment solution. Some of your key responsibilities would be: Write simple, understandable, testable, and efficient code with focus on solid technical stability and performance. Drive technical improvement by applying software craftsmanship in everyday work as well as by identifying and executing larger refactoring/improvement initiatives. Contribute in implementation of complex features and design work within team. Being part of cross team technical initiatives Participate in and contribute to team’s Agile practices. Take responsibility in maintaining high engineering standards, commitment to the product and respect and attitude towards others. Your skills We would love to hear about: Hands on experience with modern Ruby on Rails practices and development. Experience with writing clean, maintainable and scalable code Good awareness of the Ruby on Rails ecosystems and being in touch with the latest developments in this area Experience in developing backend APIs/services, micro-service architecture. APIs for mobile apps in particular is a bonus. Awareness/experience in setting up and configuring rails applications is a big plus – eg: nginx, passenger, varnish, rabbitmq Have a clear understanding of database technologies; with previous experience with MongoDB being a bonus Awareness/experience with testing methodologies like RSpec and Cucumber A high-performance mindset to deliver good quality code and also an understanding of the product Openness with working in a culture of inclusiveness and individual responsibility and experience with Agile methodologies. Good communication skills – good knowledge of English, both written and oral We all live and act after our values Get Sh*t done, Be Fearless, Help Each Other and Never Give up and expect you to do it as well. Applying This position is located in Bengaluru, India We only accept applications in English. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, or marital status. Make the right call, send us your application today!

Following are MUST have skills. In-depth knowledge in Javascript and NodeJS. In-depth knowledge and hands on experience in Server-Side Javascript frameworks like ExpressJS Strong knowledge on APIs, Data Structures, Exception Handling Databases Should be having ability to find the solutions through research on internet. Should be able to give commitment to the company for at least 1 year Should have inclination and ability to learn Javascript related technologies and frameworks. Should be able to deliver the work in timely manner. Desired skills. PostgreSQL MongoDB ES6