Backend Engineer

Roles and Responsibilities

● Engineering degree B.E/B.Tech/MCA/M.Tech/M.Sc or any Equivalent Degree.
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.

• Research, design and build highly reliable, available, and scalable platforms.
• Explore design implications and work towards an appropriate balance between functionality, performance, and maintainability.
• Lead by example, mentor, and guide team members on everything from structured problem solving to development of best practices.
• Own large technical deliverables and execute in an exemplary way
• Be able to conceptualize and develop prototype quickly
• Working with a cross-discipline team (Design, Product, Engineer, Operations, Sales, Marketing).
• Active participation in the hiring process to bring quality engineers in the team. 
• Lead-out team meetings, stand-ups, and architecture/design discussions
• Writing bug-free code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high-quality documentation supporting the design/coding tasks
• Identify areas of improvement in our frameworks, tools, processes and strive to make them better.
• Researching new technologies and adapting them to BeyondSkool’s requirements
• Own and commit to all your work, and be accountable for your results
• Using and understanding code from Open-Source projects
• Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people
• Produce highly reliable systems that are thoroughly tested and benchmarked.
• Develop multi-tier scalable, high-volume performing, and reliable user-centric infrastructure that operates 24x7
• Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, and deliver with speediness and quality.

• Bachelor's degree in Computer Science or any other relevant field.
• Experience of 5 - 7 years as a back-end engineer preferably in a microservice environment.
• Strong proficiency of Node.js and frameworks available for it such as Express.js
• Strong proficiency in Javascript and TypeScript

• Must have worked building 2+ backend system using node.js and Express.js
• Strong understanding and experience of creating highly scalable and complex database design.
• Good understanding of Data Modeling using RDBMS and NoSQL (Cassandra, MongoDB, ElasticSearch, Redis) data stores
• Strong problem-solving skills with a good understanding of data structures and algorithms
• Strong understanding of front-end technologies, such as HTML5, and CSS3
• User authentication and authorization between multiple systems, servers, and environments
• Experience of creating highly scalable, fault tolerant, resilient distributed systems
• Strong knowledge of creating scalable system design and good understanding of microservice based architectures
• Understanding of caching enabled, PubSub and event driven architectures
• Hands on experience and good knowledge of AWS services
• Understanding automated testing platforms like selenium and unit tests like Chai, Mocha, Jasmine etc
• Proficient understanding of code versioning tools, such as Git
• Curiosity to explore the cutting-edge technologies and bake them in the products.
• Zeal and drive to take end to end ownership.

Company Profile
XpressBees– a logistics company started in 2015 – is amongst the fastest growing companies of its
sector. While we started off rather humbly in the space of ecommerce B2C logistics, the last 5 years
have seen us steadily progress towards expanding our presence. Our vision to evolve into a strong full-
service logistics organization reflects itself in our new lines of business like 3PL, B2B Xpress and cross
border operations.
Our strong domain expertise and constant focus on meaningful innovation have helped us rapidly evolve
as the most trusted logistics partner of India. We have progressively carved our way towards best-in-
class technology platforms, an extensive network reach, and a seamless last mile management system.
While on this aggressive growth path, we seek to become the one-stop-shop for end-to-end logistics
solutions. Our big focus areas for the very near future include strengthening our presence as service
providers of choice and leveraging the power of technology to improve efficiencies for our clients.
Job Description 
XB is looking for driven & talented engineers to build highly scalable, reliable and performant cloud-
based platforms to drive the logistics business. You will have opportunities to make a big impact at XB
on the software solutions being built for Logistics businesses. We build a variety of technology products
that span multiple businesses. 
The challenges that SDEs at XB solve are big (handle 50 Lakh shipments per day!) and influence the E-
Commerce business in India in coming years. We are looking for individuals who are passionate about
creating new products, features, and services from scratch while managing ambiguity and the fast pace
of the company. The challenges span areas like highly scalable and reliable orchestration
platforms, Client Integration API frameworks, Billing Solutions, Workforce Engagement. Further you may
solve complex optimization problems like Vehicle routing, Allocation, Network Optimization etc. 
Roles & Responsibilities 

 You will be responsible for working with cross functional teams to deep dive into the
business and technology problems related to our portfolio of products, understanding the
gaps that exist in our current tools, and work within our team and with partner teams to
design best in class solutions.  
 You will have the opportunity to influence, invent, and design system architecture
across multiple product and technology spaces. 
 You will lead and mentor other talented engineers. You will be responsible for building
the best customer experience, keeping latency, security, and usability in mind. 
 You will interact with Product Managers and Designers and convert their vision into
a technical solution.  
 You will own portions of software deliverables including major critical path code from
your designs while finding opportunities to grow and mentor the team around you. 
 You will collaborate with other engineering leads and guide the team on software
development best practices and set examples by using them in solutions that you build.  
 You will own the end-to-end design of major deliverables, working closely with a team
of SDEs and Front-End Engineers to execute them. This is a high visibility and fast-paced
environment where you will make a direct impact on the customer experience and the
bottom line of the company. 

 
 You should have a commanding understanding of object-oriented design, data
structures and algorithms which you use to mentor a team of engineers. You should have
experience with agile methodologies, experience building scalable services and robust user
interfaces. We make extensive use of AWS Services (API Gateway, Lambda, SQS, etc.) and
prior experience is a plus. Experience with modern JavaScript frameworks (like angular,
react, backbone, and node.js) would be a plus. 

Qualifications 

 Experience developing cloud software services and an understanding of design for
scalability, performance, and reliability. 
 Development experience defining, developing and maintaining web service API's 
 Demonstrated ability to mentor other software developers to maintain architectural
vision and software quality. 
 Experience in communicating with users, other technical teams, and senior
management to collect requirements, describe software product features, technical designs,
and product strategy. 
 Experience taking a leading role in building complex software systems that have been
successfully delivered to customers. 
 Knowledge of professional software engineering practices & best practices for the full
software development life cycle, including coding standards, code reviews, source control
management, build processes, testing, and operations. 
 Experience with distributed computing and enterprise-wide systems 
 Deep understanding of CS fundamentals including data structures, algorithms and
complexity analysis. 
 Experience building large-scale, high-performance systems in a complex, multi-tiered,
distributed environment. 
 Design and architecture expertise as well as familiarity with object-oriented analysis and
design patterns (OOA/OOD). 
 Ability to thrive in a fast-paced, dynamic environment.

• 3-8+ years of experience programming in a backend language (Java / Python), with a good understanding of troubleshooting errors. 
• 5+ years of experience in Confluent Kafka / 3+ years of experience in Confluent Kafka 

• Cloud Kafka, Control Central, Rest Proxy, HA Proxy, Confluent Kafka Connect, Confluent Kafka Security features 

Job Description :- Expert in Python, with good knowledge of Python web framework Django- Handson writing REST microservices using Django REST framework- Familiarity with some ORM (Object Relational Mapper) libraries- Able to integrate multiple data sources and databases into one system- Good understanding of server-side templating languages- Good understanding of front-end technologies, such as JavaScript, HTML5, and CSS3- Knowledge of user authentication and authorization between multiple systems, servers, and environments- Understanding of fundamental design principles behind a scalable application- Familiarity with event-driven programming in Python- Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform- Able to create database schemas that represent and support business processes- Strong unit test and debugging skills- Proficient understanding of code versioning tools Git, SVN

Mandatory Skills :
Front end : Angular, HTML5, CSS3, JavaScript
Backend : Python
Framework : Django python web framework
Any experience of working with NLP, computer vision and deep learning will be additional plus point

Key Responsibilities: Build robust and scalable software in Python, Design and create services and system architecture for your projects, and contribute and provide feedback to other team members Help improve our code quality through writing unit tests, and automation Participate in brainstorming sessions and contribute ideas to our technology, algorithms and products Work with the product and design teams to understand end-user requirements, formulate use cases, and then translate that into a pragmatic and effective technical solution Dive into difficult problems and successfully deliver results on schedule Job Requirements: 5-7 years of recent hands-on coding and software design A track record of projects completed on time – you are a flawless executor, not a procrastinator You find satisfaction in a job well done and want to solve head-scratching challenges Solid OOP and software design knowledge – you should know how to create software that’s extensible, reusable and meets desired architectural objectives Experience with Python, Django Framework, and the willingness to learn new technologies (experience with other object-oriented languages is okay too, but our code is Python) Experience with Linux/Unix and scripting languages like Python, Perl, shell scripting, etc.

Efficient Bazaar is looking for talented individuals to join our core tech team. If the description below sounds like you, hit on "Apply". - You have 2-5 years experience in a tech company or a startup - You write clean, maintainable code along with tests - You are familiar with Python web frameworks, specifically worked with Django - Strong experience with MVC based architecture and building and maintaining REST APIs - Good knowledge of HTML, CSS, Javascript - You are familiar with at least 1 JS framework – Angular, React and are willing to learn React - You know at least 1 of Postgres or MySQL. Experience with NoSQL is a plus - Good understanding of fundamentals of computer science – basic algorithms, what is Big O, why it matters, etc Bachelor's or Master's in CS - You have a comfortable understanding of Git, Pull request workflow, CI workflow - Prior experience with an eCommerce company is a major plus - You are comfortable working in Linux environment