Senior Java Backend Engineer

 

Key Skills and Requirements

· Minimum 3+ years of hands-on experience in Node.js and Express.js

· Bachelor Degree in Computer Science OR in related field B.sc - IT/ BCA /MCA/B.Tech/M.Tech

· Programming experience in Web Application development with Node.js and Express.js

· Must have experience in JavaScript, Node.js, Express.js or have extensive exposure in any MVC framework

· Expert in MySQL and Store Procedures

· Knowledge of REST API / Web API protocol

· Understanding HTML, CSS, JavaScript, JQuery, Ajax, JSON, OOPs well enough

· Good to have: React Js.

· Strong coding skills, good analytical and problem-solving skills

· Ability to write clear, concise, well-structured, and well-organized code

· Experience with third-party libraries and APIs(Zoho, Leadsquared, Knowlarity, Exotel, LCode, Karza, Google API, DIGIO, etc)

· Ability to identify weaknesses in existing code and improve it

 

Plus but not required

 

· A plus if you have Slide experience with Git Command lines.

· A plus if you have any experience with Github, Gitlab, Bitbucket.

· A plus if you have any experience with UI Design

· A plus if you have any experience with PHP, CodeIgniter

· A plus if you have any experience with React JS/Angular JS

 

Essential Duties and Responsibilities

· Collaborate with cross-functional teams to define, design, and ship new features

· Work with outside data sources and APIs

· Unit-test code for robustness, including edge cases, usability, and general reliability Work on bug fixing and improving application performance

· Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Greetings!!

We are looking for a Back-End Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.

Responsibilities- 

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug 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 to identify new features
• Follow emerging technologies

Requirements- 

• Spent at least 3 yrs in a solid back end role
• Experience taking a problem to a product solution (module/product)
• Prior experience working with startups and understand the fast-paced, dynamic nature of work

• Javascript, NodeJS
• Client-server architecture
• OOP concepts, including design patterns
• Understanding of RDBMS (MySQL, Postgresql)
• Understanding of REST API
• Familiarity with frameworks such as ExpressJs

• Knowledge of TDD frameworks mocha, chai, jest, etc
• Knowledge of AWS (Lambda, RDS, EC2, SQS, S3, ECS, etc)
• Basic knowledge of Typescript, NextJs
• Prior experience in fin-tech

Key Responsibilities

• Back-end Implementation: Authorization, Authentication, Modular design
• Application Development: Documentation, code quality, Unit Testing, Optimization, Bug fixing.)
• Back-end Operations (build tools, deployment, speed: (app, tests, builds, deploys), monitoring errors/logs, and stability).
• Review the created data model & ask any necessary clarifying questions before starting on work
• Write API code to implement the action on visual elements.
• Develop Json Web Services and Web applications.
• Create prototypes and staging sites for review and feedback
• Optimize websites and applications to ensure fast loading speeds
• Maintain websites and implement any necessary additions or enhancements
• Identify and troubleshoot various website issues and coding problems
• Collaborate with members of the website team, including designers and front-end developers, to consistently improve functionality and user-friendliness of web applications
• Maintain updated knowledge of the development industry and any advancements in technology
• Meet tight deadlines as required
• Knowledge of the common application/web security and OWASP vulnerabilities.
• Knowledge of the encryption algorithms to protect sensitive information.
• Knowledge of PII, PCI, HIPPA, and GDPR compliance and how to implement.
• Understanding of security breaches of data-in-transit and data-at-rest and knowledge in implementation for both.
• Knowledge/Aware of finding the vulnerabilities of the third-party components/libraries used in the application and remediating vulnerabilities.

 

 

Technical Skills: Java,Spring boot, Rest API, Json, JPA and/or Hibernate, SQL, AWS

Database : MySQL, PostgreSQL, SQL Server, MongoDB

Other : Tomcat, Eclipse, Oauth, JWT, Git.

About PhonePe
PhonePe is India’s leading digital payments platform with over 280 million registered users. Using
PhonePe, users can send and receive money, recharge mobile, DTH, data cards, pay at stores,
make utility payments, buy gold, and make investments. PhonePe went live for customers in
August 2016 and was the first non-banking UPI app and offered money transfer to individuals
and merchants, recharges and bill payments to begin with. In 2017, PhonePe forayed into
financial services with the launch of digital gold, providing users with a safe and convenient
option to buy 24-karat gold securely on its platform. PhonePe has since launched Mutual Funds
and Insurance products like tax-saving funds, liquid funds, international travel insurance, Corona
Care, a dedicated insurance product for the COVID-19 pandemic among others.
PhonePe launched its Switch platform in 2018, and today its customers can place orders on over
300 apps including Ola, Myntra, IRCTC, Goibibo, RedBus, Oyo etc. directly from within the
PhonePe mobile app. PhonePe is accepted at over 18 million merchant outlets across 500 cities
nationally.
Culture
At PhonePe, we take extra care to make sure you give your best at work, Everyday! And creating
the right environment for you is just one of the things we do. We empower people and trust
them to do the right thing. Here, you own your work from start to finish, right from day one.
Being enthusiastic about tech is a big part of being at PhonePe. If you like building technology
that impacts millions, ideating with some of the best minds in the country and executing on your
dreams with purpose and speed, join us!
Challenges
Building for Scale, Rapid Iterative Development, and Customer-centric Product Thinking at each
step defines every day for a developer at PhonePe. Though we engineer for a 50million+ strong
user base, we code with every individual user in mind. While we are quick to adopt the latest in
Engineering, we care utmost for security, stability, and automation. Apply if you want to
experience the best combination of passionate application development and product-driven
thinking
As a Software Engineer:
 3+ years of experience in the art of writing code and solving problems on a Large Scale.
 You will build Robust and scalable web-based applications You will need to think of
platforms & reuse
 Build abstractions and contracts with separation of concerns for a larger scope
 Drive problem-solving skills for high-level business and technical problems.
 Do high-level design with guidance; Functional modeling, break-down of a module
 Do incremental changes to architecture: impact analysis of the same
 Do performance tuning and improvements in large scale distributed systems
 Mentor young minds and foster team spirit, break down execution into phases to bring
predictability to overall execution
 Work closely with Product Manager to derive capability view from features/solutions, Lead
execution of medium-sized projects
 Work with broader stakeholders to track the impact of projects/features and proactively
iterate to improve them As a senior software engineer you must have
 Extensive and expert programming experience in at least one general programming
language (e.g. Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.
 Experience with multi-threading and concurrency programming
 Extensive experience in object-oriented design skills, knowledge of design patterns, and
huge passion and ability to design intuitive module and class-level interfaces
 Excellent coding skills – should be able to convert the design into code fluently
 Knowledge of Test Driven Development
 Good understanding of databases (e.g. MySQL) and NoSQL (e.g. HBase, Elasticsearch,
Aerospike, etc)
 Strong desire to solving complex and interesting real-world problems
 Experience with full life cycle development in any programming language on a Linux
platform
 Go-getter attitude that reflects in energy and intent behind assigned tasks
 Worked in a startups environment with high levels of ownership and commitment
 BTech, MTech, or Ph.D. in Computer Science or related technical discipline (or equivalent).
 Experience in building highly scalable business applications, which involve implementing
large complex business flows and dealing with a huge amount of data.
 An open communicator who shares thoughts and opinions frequently listens intently and
takes constructive feedback.
As a Software Engineer, good to have
 The ability to drive the design and architecture of multiple subsystems
 Ability to break-down larger/fuzzier problems into smaller ones in the scope of the product
 Understanding of the industry’s coding standards and an ability to create appropriate
technical documentation.
PhonePe Full Time Employee Benefits
 Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life
Insurance
 Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency
Support System
 Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance
Program, Day-care Support Program
 Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy
 Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS,
Leave Encashment
 Other Benefits - Higher Education Assistance, Car Lease, Mobile & Broadband
Reimbursements, Salary Advance Policy

Roles and Responsibilities

Strong proficiency with JavaScript
Knowledge of Node.js , react js and frameworks available for it.
Understanding the nature of asynchronous programming and its quirks and workarounds
Good understanding of server-side templating languages
Good understanding of server-side CSS preprocessors
Basic understanding of front-end technologies, such as HTML5, and CSS3
Understanding accessibility and security compliance
User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application
Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.

Knowledge on Blockchain development is added advantage.
Previous Experience in .Net or PHP is a Plus

Experience : 1.5 to 4 years

Location : Mumbai / work from home for other Locations

Immediate joiner
*Candidate has knowledge of typescript will be most preferrable.*

Roles and Responsibilities
• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to
complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• Experience with full life cycle development in any programming language on a Linux
platform
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), TDD,
and Continuous Integration(CI/CD) a plus.
• Experience in building data-driven web application design and development is a plus
• Expert level experience in building a scalable, large and complex business
application.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem
• Identify opportunities of parallelism: utilizes multi-core solutions where applicable
• Design & Architecture
• Distributed systems design and system interaction
• Identify API signatures
• LLD with class design
• Solve for performance & availability

Goscale - Apna Tech Collaboration
The present role is a Backend Developer – SDE role for Goscale - Apna Tech
Collaboration.
About Goscale
Goscale is a premium technology company focusing on helping companies building
world class scalable products. 
Goscale works with premium product companies (Indian and International) like - Swiggy,
ShareChat, Grab, Capillary, Uber, Workspan, Ovo and many more. We are responsible
for managing infrastructure for Swiggy as well.
We focus on building only world class tech product and our USP is building technology
can can handle scale from 1 million to 1 billion hits. 
We invite candidates who have a zeal to develop world class products to come and work
with us.
About Apna
apna is India’s most trusted and fastest growing professional platform. apna aims to
connect the right jobs to the right people in the shortest possible time and deliver a
delightful holistic experience to job seekers and recruiters.
It is a one-of-a-kind comprehensive professional app where alongside job search, you
can do a lot more like learn new skills, network with like minded people, get support to
start your business, engage with particular professional communities to hone your skills
and share your expertise.
In the words of our users, apna is one of the most rewarding interactive career apps in
India.

Required Skills:
Take ownership of end-to-end product development
Be champion of Test Driven Development methodology
Building reusable code and libraries for future use
Optimization of the application for maximum speed and scalability
Implementation of security and data protection
Technical Documentation around the owned product
Skills And Qualifications:
Expert level in OOPS concepts and REST API development. Typically 4+ years of
professional experience
Proficiency in one or more of the following languages: Python, Java, Ruby, Go
Knowledge around ElasticSearch, RabbitMQ, Redis
Integration of multiple data sources and databases into one system
Implementing automated testing platforms and unit tests
Proficient understanding of git
Knowledge of GCP would be a plus

1) Excellent verbal and written communication skills as well as interpersonal skills 2) Sound hands on experience in Core Java, Java Servlets, JavaScript, Web Programming Skills, spring, hibernate, springboot 3) Experience in Coding, Designing and architect 4) Good at Design Specifications 5) Capable of leading a Team 6) Expertise in making high-level design 7) Well equipped with software coding standards 8) Knowledge of designing Frameworks 9) Must be able to work independently and complete projects with minimal supervision. 10) Background or knowledge of GIS or Map concepts is a plus 11) Responsible for Project estimation and scheduling process.