11+ Sinatra Jobs in India

Responsibilities of a Senior Software Engineer (Backend):

• You will be a guide in the entire application lifecycle including research, design, development, testing (dev owns quality), along with continuous deployment and delivery
• Lead design with a major focus on best user experience, performance, scalability and future expansion
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills to bring in continuous improvements and implement best practices.
• You will apply the latest technology thinking from our tech radar, adopt best design practices to solve complex problems and ensure our product is the best in usability.
• You will work directly with the CEO and the cross functional product teams, align on the needs of the products and operations.
• You will analyze business, technology challenges and suggest solutions
• Build an “Awesome” team

This opportunity is for you if,

• You have 4-6 Years of work experience in building highly-interactive applications using Java, Spring MVC, Spring JMS, Spring JDBC, Spring IOC, Spring Boot, MySQL, MiBatis, ReactJS, Java Script, jQuery, AWS, JMS and have knowledge on wide range of web technologies, tools and Frameworks.
• You have experience in working with Restful webservices
• You have strong knowledge and understanding of design patterns and domain driven design
• You understand fundamental design principles behind building scalable, resilient, and maintainable applications 
• You have functional knowledge of inclusive design: accessibility, and related tooling
• You have consumer web development experience for high-traffic, public facing web applications
• You have knack for writing clean, readable, re-usable code
• You have good knowledge on TDD and CI/CD practices.
• You have experience in managing and publishing releases using Git branching and tools like NPM and YARN.
• You have penchant for learning
• You are a great analytical & logical thinker and someone who loves solving problems
• You are passionate, energetic, enthusiastic and a go-getter
• You are “ FUN @ Work “

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

oin us and be a part of a company that thrives on creativity, technology, and excellence. 

CHANCE TO WORK WITH APPS WITH 10LAKH CONCURRENT USERS IN GAMING INDUSTRY 

Role Description 

• You are a champion at Code reviews and Unit/Mock/integration Tests 
• You have a strong sense of ownership of what you design and deploy 
• You provide strong technical mentorship to team members 
• You are an excellent team player 
• You continuously learn and improve 

We are seeking a highly motivated and experienced Senior Java Software Engineer to join our team. In this role, you will lead and manage software development projects across diverse domains such as Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. You will be responsible for ensuring the successful delivery of projects, meeting deadlines, and exceeding client expectations. 

Skill Sets 

• Excellent Programmer: in Java Intermediate (Collections, Polymorphism, Design Patterns) to Expert level (Annotations, Lambda, Streaming, Concurrency) 
• Startup Experience: Proven ability to take extreme ownership of results, with a history of leaving a lasting impact on the business. 
• Relevant Experience: At least 6-10 years of experience demonstrated the ability to develop resilient, high-performance, and scalable code tailored to application usage demands. 
• Java Framework Expertise: Significant experience in designing and building Java microservices with VERT.X, SPRING BOOT, with proficiency in Java. 
• REST API & GraphQL: Hands-on expertise in development API endpoints with RESTful & GraphQL approach, also non-REST frameworks like gRPC over Thrift or Protobuf Nuances of TCP, UDP, HTTP, HTTP2, SSL, Thorough understanding of designing distributed systems without single point of failures 
• Cloud Proficiency: Strong understanding and hands-on experience of building applications deployed on the cloud using Google Cloud Platform or Amazon Web Services (AWS), Docker, and Kubernetes, Experience writing batch/cron jobs using Python and Shell scripting. 
• Containerization & Orchestration: Experience with containerization technologies like Docker and orchestration tools like Kubernetes. 
• Time & Space Complexity: if methods you write are in the traffic request path, you know how to avoid unacceptable time complexity & space complexity. 
• Database Knowledge: Strong experience with Data Structures & Algorithms working with MongoDB, PostgreSQL, MySQL, Redis, ElasticSearch, and other similar databases, ability to choose the right data store for the given requirements Relational, Graph, Object, Document, Columnar, Key-Value. Experience with Redis, Memcache, EHCache, Hazelcast, Aerospike 
• Messaging Systems: Proficiency in working with RabbitMQ, BullMQ & others 
• Agile Practices: At least a few years of experience practicing the SCRUM framework, collaborating with scrum masters, product owners, and other stakeholders. 
• Collaboration & Communication: A team player who thrives in a remote, collaborative environment. 
• Communication Skills: Strong verbal and written communication skills. 
• Solutions-Oriented: Comfortable with the fast pace of startup life and adept at finding solutions to challenges. 

Responsibilities 

• Scalable Architecture: Lead the design and development of scalable architecture to ensure efficient performance and reliability of web and mobile applications. 
• Informed Decisions: Make informed architectural decisions that align with both current and future business needs. 
• Security & Privacy: Ensure security and privacy considerations are integrated into the selection of solutions and coding of back-end services and API endpoints. 
• Code Quality & High Standards: Uphold high standards of code quality through regular reviews, maintaining best practices in programming. 
• Robust Testing: Implement robust testing strategies to ensure code reliability and performance. 
• Backend Development: Design, develop, and deploy backend services and APIs using VERT.X, SPRING BOOT Java and AWS technologies. 
• NoSQL Expertise: Effective schema design and data modeling for NoSQL databases, ideally MongoDB, including robust indexing strategies. 
• Technical Debt Management: Monitor and control technical debt to ensure it does not compromise application scalability or performance. 
• Task Planning: Collaborate with the PM and BA to plan and delegate tasks efficiently among backend team members, ensuring clear objectives and timelines. 
• User Requirements: Support the PM, BA team in identifying and analyzing user requirements to ensure development aligns with user expectations and project scope. 
• Systems Thinking: Apply systems thinking to align with broader business objectives. 
• Autonomy: Get things done independently without supervision and without creating future issues. 
• Simplicity: Strive for simplicity in solutions and code. 
• Proactive Problem Solving: Fix problems, even those outside your immediate responsibility. 
• Solution-Oriented: Focus on providing solutions to problems, not just writing code. 

Life@Sciflare:  

• An exciting & lively workplace gives you the chance to work in an environment where you may unleash your creativity and inventiveness to the best extent possible. 
• Work in a collaborative setting where your cooperative team contributes new perspectives to your objectives and forges strong bonds. 
• Growth mindset: You are nurtured through each stage of your professional advancement by learning and unlearning new things. 

Job Title: Senior Node.js Developer

Company: P99soft

Locations: Bangalore, Pune, Hyderabad

Experience: 5+ years

Job Type: Full-time

About P99soft:

P99soft is a dynamic and innovative software development company dedicated to creating cutting-edge solutions for our clients. We take pride in fostering a collaborative and forward-thinking environment. As we continue to grow, we are seeking an experienced Senior Node.js Developer to join our team.

Responsibilities:

As a Senior Node.js Developer at P99soft, you will be a key contributor to our development team. Your responsibilities will include:

Backend Development: Lead the development of robust and scalable backend solutions using Node.js.

Architecture and Design: Make critical decisions regarding the architecture and design of Node.js applications, ensuring high performance and maintainability.

API Development: Design and implement RESTful APIs to support various front-end functionalities.

Database Integration: Collaborate with database administrators and integrate databases into Node.js applications.

Code Review: Participate in code reviews to maintain code quality and provide constructive feedback to team members.

Mentorship: Provide guidance and mentorship to junior developers, contributing to the growth and skill development of the team.

Requirements:

To be successful in this role, you should have:

4+ years of Node.js Development Experience: Proven experience in developing backend solutions using Node.js.

JavaScript Mastery: Strong command of JavaScript and its asynchronous nature.

Recommended Experience: Proficiency in Node.js, Typescript, React, and MongoDB.

Additional Skills (Plus):

Experience in Next.js, NestJS, Fastify, React Native, Golang, Docker, Kubernetes, or AWS.

Customer Interaction (Plus): Experience working directly with customers is a plus.

Additional Experience (Plus):

• API development or database design experience.
• Communication Skills: Excellent communication skills, both written and verbal, to collaborate effectively with team members and clients.

Responsibilities

• Ideate, execute & take ownership of complete project from scratch
• Create and design User-focused focused SAAS with high end experience  
• Optimize existing architecture for performance, scalability & functionality 
• Generate modular & clean codes 
• Deploy & maintain project’s infrastructure with zero downtime 

Skill Sets

• Sharp communication skills 
• Fluent in Problem Solving, Data Structures And Algorithms
• Strong in Java Spring Boot & Python Django languages & frameworks
• Experience with database design & familiar with RDBMS database like Postgresql as well as no SQL databases 
• Good with writing unit test cases & integration test cases 
• Well versed in writing Asynchronous codes or technologies
• Exposed to various AWS technologies like EC2, Cognito, API Gateway,ECS etc.
• Exposed to Pub-sub technologies like SQS,Kafka, RabbitMQ, etc. 
• Familiar with caching tools like Redis, HazleCaste, etc. 
• Exposure to DevOps and Big Data is a plus.

You’ll be our: Application Developer 

You’ll be based at: IBC Knowledge Park, Bengaluru

You’ll be Aligned with: Application Development Lead 

You’ll be the member of:VehicleSoftware Team 

What you’ll do at Ather:

• You will be developing the various Applications for the cloud to process data connecting with the vehicle 

• You shall work with the Lead and product team to define and deliver features. 

• Be part of the Agile team, to define Sprint work content definition. 

• Work with cross functional teams to drive overall feature delivery. 

• Be part of the initiatives that achieve the functional requirements of the team. Explore technical feasibility of solutions, propose and evaluate tech stacks. 

• Performance tuning and benchmarking of the features 

Here’s what we are looking for: 

• Strong knowledge and Hands on experience with Nodejs, RestAPI, Java Script, Java Development experience in cloud based infrastructure 

• Strong fundamentals in any fullstack of your choice, OOPS concepts, Google Cloud Platform. Knowledge of Java, React, React Native, Android Native , HTML5, Firebase and Go Programming is a plus. 

• Knowledge on CI/CD pipelines, JIRA, UML, Static Code Analysis tools and Unit test framework is required 

• Knowledge on the S/W communication protocols like gRPC, HTTP, MQTT is a plus Cross platform development experience would be needed. 

• Knowledge of Cloud Based solutions would be a plus. 

• App development for a product which is beyond a mobile platform would be a plus. Experience with Telematics/Infotainment projects would be a great advantage. 

• Strong experience with Agile methodology, along with tools such as JIRA, Confluence. 

• Flashing and debugging tools experience is a plus.

You bring to Ather: 

• Bachelor’s/Master’s in computer science or any other equivalent degree

Hands on experience in Python in 2.x and 3.x versions

• Developed and deployed services in AWS serverless Architecture
• Developed REST API’s using serverless framework, AWS Lambda, API Gateway
• Developed queue and notification services using AWS components - SQS, SNS
• Implemented authorization and authentication using AWS Cognito pool
• Developed Facial recognition systems using AWS Rekognition
• Hands on experience in Flask, Tornado, Quartz framework
• Hands on experience in designing and working on MicroService & Monolithic architecture
• Basic understanding of front-end technologies HTML, CSS, JavaScript, jQuery

Mongo dB experience is must

About the Role:

We are looking for a Senior Software Engineer with experience in ROR/GoLang , having 3+ yrs of experience on how best to leverage and exploit the language’s unique paradigms, idioms, and syntax. Your primary focus will be on developing Enterprise Grade Systems and programs that are scalable and maintainable. You will ensure that these packages and programs are well documented and has a reasonable test coverage. You will coordinate with the rest of the team working on different layers of the infrastructure. A commitment to collaborative problem solving, sophisticated design, and quality product is essential.

What You'll Do

• Writing scalable, robust, testable, efficient, and easily maintainable code
• Translating software requirements into stable, working, high performance software
• Playing a key role in architectural and design decisions, building toward an efficient micro services distributed architecture

What You'll Need

• Working experience on Ruby-on-Rails(ROR)/Golang.
• Worked on enterprise grade systems
• Have designed web services
• Know how to scale systems that have database bottlenecks etc. 
• Having good exposure to Microservices architecture added value.
• Familiarity with OAuth, JWT, SSO, Authentication, and Identity Federation is an added advantage.
• Familiar with AWS, Docker, and Kubernetes, Pods and Meshes are added advantage.
• Experience in MySQL, Snowflake, and MongoDB is an added advantage