

At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 per day in the next 4 years in a profitable and sustainable manner.
You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/
Role & Requirements
- 2+ year experience in application development
- ability to write efficient SQL queries and design schemas for relational databases
- good knowledge of operating systems and networking concepts
- experience in using and understanding code from Open Source
- experience with implementing best software engineering practices like version control with git, code reviews, writing unit-tests, writing readable code
- experience with Python and Django is a plus.
- inclination towards researching new technologies and adapt them to solve challenges we face
We look for engineers who
- Are committed to their growth and learning
- care about working in and building a strong engineering culture
- want to take significant ownership and decision making power
- want to make an impact in the real world while working with a great team in a hyper-growth environment

About Cityflo
About
Connect with the team
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Strong written/verbal communication skills
· Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.


Role
You will develop and maintain the key backend code and infrastructure of the company stack. You will implement AI solutions like LLMs for various tasks such as voice-based interactive systems, chatbots, and AI web apps. Ability to see projects through from start to finish with good organizational skills and attention to detail. This is a perfect role for someone who likes to build state-of-the-art AI products and work with cutting-edge AI technologies like GPT, LLAMA, etc
Qualifications
- BS or MS in Computer Science or relevant field.
- 4+ years experience in backend software development
- Be able to design high-throughput scalable backend systems
- Eagerness to learn applied AI technologies like LLMs, prompt engineering, etc
- Proficiency in Python.
- Experience with cloud computing platforms (AWS, GCP) and technologies like Docker
- Knowledge of Rest APIs, databases (mysql, mongo, vectorDB)

Roles and Responsibilities
- Ability to work on diverse backend stack such as Node JS, Java, Express JS
- Ability to work on diverse frontend stack such as React JS, Angular 6/7/8/9, HTML5, CSS3
- Ability to deliver quick POC’s using cutting edge technologies.
- Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
- Design, develop, and unit test applications in accordance with established standards
- Developing, refining, and tuning integrations between applications. Analysing and resolving technical and application problems.
- Ability to debug application.
- Should have complete knowledge on developing RESTful Services.
- Should be able to also work in agile development methodology.
Competency Requirements
- Experience in NodeJS, Java and development using AngularJS / ReactJS
- Experience in front end frameworks such as Angular.js, React.js, Bootstrap, Foundation etc
- Experience in client/server application development
- Knowledge of agile development methodologies
- Knowledge of unit testing theory
- Knowledge of AWS cloud
- Experience in Java, Python and Go will be added advantage


Job Description :
-At least 2+ years of experience in core python development
-Develop reusable , testable and scalable code
-Good exposure to continuous integration tools like Jenkins
-Experience working with version controls like Git.
-Knowledge of popular python libraries and framework.
-Good to have aerospace domain knowledge
- Experience in OOPs /functional coding integrating applications
-Collaborate with other developers and team members to design and implement software solutions

Relevant Experience
3 to 10 years
Job Description and Key Skills Required:
- Hands-on with any of the programming languages like NodeJS/ExpressJS, Python, Java, Php or any.
- Design and create efficient RESTful API endpoints for both internal and public consumption
- Strong understanding of database technologies such as MySQL, Postgress, Oracle , relational Database.
- Work closely with front end developers to understand required data model
- Comfortable deploying applications on AWS, and have a strong working knowledge of EC2, RDS and S3.
- Must understand overall system design, architecture , improve design and implement new processes.
- Strong understanding of sessions, cookies & local storage is must.
- Experience with in memory databases like redis basic, Memcache
- Independently think of solutions to complex requirements; possess exceptional logical skills.
- Analyse current products in development, including performance, scalability, diagnosis and troubleshooting.
- Work with the existing framework and evolve it by building reusable code & libraries
- Search and introduce new software related technologies, processes and tools.
- Bonus: You're fluent with React.
- Bonus: Interested in full-stack development.
- Bonus: Any experience of iOS/Android mobile development.
- Bonus: Experience with CI servers such as Jenkins, Travis or similar types
- Bonus: Experience with web server like Nginx
Must-Have:
- Core Java (Must be good in Core Java concepts, Java programming practices, Clean coding.)
- Spring Framework(Must have working experience in Spring Core)
- Any SQL framework(hands-on working experience in any of these: Hibernate/JPA/MyBatis/Spring Data/Others)
- Hands-on experience in REST API
- Hands-on experienceSQL Database(any of the databases: Oracle/MySQL/PostgreSQL/SQLServer)
- Must have working experience with basic GIT
- Maven or Gradle (Must have working experience in building Java projects using maven or Gradle.)
- Should be able to work independently under someone's guidance.
Good to have:
- Advanced Java(Threading, Performance optimization)
- Spring Boot
- Other Spring frameworks(Spring Security, Spring Batch, Others)
- Microservices - Any NoSQL database(MongoDB, Cassandra, others)
- Application designing concepts.

Role - Backend Developer
Experience:- 2+
Qualification:- BE Computer Engineering/MCA
Programming Language - Python & framework Django
Responsibilities
- Building REST API's & Services In Django Framework
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of the database schema
- Design and implementation of data storage solutions
- Implementing CI/CD pipeline
- Proficient knowledge of a back-end programming language Python
- Hands-on experience with Python Frameworks like Django
- Proficient knowledge of MySQL, PostgreSQL
- Creating database schemas that represent and support business processes (Relational & NoSQL)
- Understanding of queueing systems like Redis/AWS SQS
- User authentication and authorization between multiple systems, servers, and environments
- Data migration, transformation, and scripting
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Proficient understanding of code versioning tools, such as Git
Brownie Points
- Experience in Docker
- HandsOn Knowledge with implementing CI/CD pipelines
- Experience in managing applications on AWS
- Management of hosting environment, including database administration and scaling application to support load changes
- Product wide application-level thinking on API and data modeling


What do Microsoft, The Gap, Royal Bank of Scotland, Lockheed Martin, and top Open Source projects like JQuery have in common? They all use BrowserStack, as do over 25,000 other customers!
BrowserStack is the industry-leading, cloud web and mobile testing platform that enables developers to test their websites and apps on different operating systems and mobile devices. Since launching in 2011, our mission has been bold yet simple: To be the testing infrastructure for the internet. 6 years and billions of tests later, we are ready for our next phase of hyper growth. Bootstrapped for the first 6 years, we continue to be profitable since inception with a near exponential https://workable.com/nr?l=https%3A%2F%2Fwww.browserstack.com%2Fgrowth">growth in customers around the globe. Recently, we closed $50M in Series A funding from Accel
Are you are the one who wants to work on a tech-heavy product, and the challenging technical problems that it entails? Problems vary, and can be as diverse as scaling the product smoothly as the company grows, to setting up a device farm, or solving streaming issues through a browser, without the use of plugins. Will you be excited for the challenge to transform and think critically on many computer science disciplines including product design, usability, building APIs and user-centric online applications, business logic, scaling performance, and 24x7 reliability?
JOB RESPONSIBILITIES
- Writing high quality code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high quality documentation supporting the design/coding tasks
- Lead out team meetings, stand-ups, and architecture/design discussions
- Identify areas of improvement in our frameworks, tools, processes and strive to make them better. Evaluate our success metrics and evolve our reporting systems
- Works on the web application layer, backend, systems, streaming and other associated technology to build our product and components
- Find solutions and solve issues around a variety of operating systems or programming languages
- Researching new technologies and adapt them to BrowserStack requirements
- Own and commit to all your work, and be accountable for your results
- Using and understanding code from Open Source
- Teaching others how to use new software
- Willing to learn new programming languages and databases
- Able to write efficient SQL queries and design schemas for relational databases
- Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people (no lone wolves)
- Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration
- Develop multi-tier scalable, high-volume performing, and reliable user-centric applications that operate 24x7
- Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, write code, and deliver with speediness and quality
- Good experience in at least one scripting language: Ruby, Nodejs, Python, AppleScript, Unix shell or similar
- Familiarity with one compiled language: C, Java, Go or similar
- Good knowledge of operating systems and networking concepts
- Reasonable knowledge of Windows and/or Linux operating systems
- Ability to work on Windows and Linux platform below the application layer, including file systems, kernels, custom installations, shell scripting, internal APIs, etc
- Aggressive problem diagnosis and creative problem solving skills
- Startup mentality, high willingness to learn, and hardworking
- Experience of 3-6 years





