
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 Dataweave Pvt Ltd
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Python. Django Rest Framework experience would be great, but not essential! We prioritise
quality over quantity.
Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
Docker, Kubernetes, Helm, OpenShift and associated tooling.
AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
important to us.
The challenge of scaling a global, distributed API to 10,000+ requests per second.
We have SDKs in a bunch of languages, so the more polyglot you are the better.
If you like writing JS and React that would be awesome too.
Technical Proficiency :
Must have :
- Strong development experience in Python in the environment of Unix/Linux/Ubuntu
- Strong practical knowledge of Python and its libraries.
- Current working experience with cloud deployment of AWS/Azure/GCP, Microservice architecture, and Docker in Python.
- Good knowledge of CI/CD and DevOps practices
- Good Experience of Python with Django/ Scrapy/ Flask frameworks.
- Good Experience in Jupyter/ Docker/ Elastic Search, etc.
- Solid understanding of software development principles and best practices.
- Strong analytical thinking and problem-solving skills.
- Proven ability to drive large-scale projects with a deep understanding of Agile SDLC, high collaboration, and leadership.
Good to have :
- Expected to have migration experience from one version to the other, as this project is about migration to the latest version.
- Preferred if had an OpenEdx platform experience or any LMS platform.
Senior Python Developer (6 + Years Experience)
Core Skills:
- Strong Python experience and understanding of modern design patterns, abstractions, object oriented programming at scale.
- Strong understanding of event based/async architectures (Kafka, WebSockets)
- Database interactions
- Working understanding of infrastructure as code (terraform ) and how develop code that will be deployed by IAC.
- Working understanding of Kubernetes including containerization, deploying, debugging services running on k8s.
Preferred:
- Working GCP experience including GKE, GCE, Cloud functions/cloud run, IAM.
- Git required
- CICD and automation experience; stack includes Jenkins, Terraform, Argo, Harness.
Required Skills:
- 3+ years of experience with development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands-on experience with Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
What You'll Do :
You will be a part of our backend team working on keeping our REST API and GraphQL API up and running and making sure that our users get the right data at the right time.
You will have ownership of developing and maintaining our backend services including users, courses, and operations tools that manage our product and logistics.
You will work on architecting and scaling highly-available RESTful services and back-end systems from scratch.
This is a position for an experienced Node programmer with at least 2 years under the belt, but you don't have to be a rock star, a ninja, or a superhero to apply.
What You'll Need :
You will fit well in the backend team if you are passionate about technology and have experience programming in Node. Knowledge of technologies like Cassandra, Elasticsearch, PostgreSQL, REST and JSON will help you get going from day one.
As an experienced Node developer, you should be intimately familiar with the platform, with
JavaScript, and with the stables of full-stack web development : HTTP, JavaScript, CSS, HTML, SQL.
It's a bonus if you're broadly familiar with other languages as well- we write some services in Go and have data pipelines written in Python- but your main work will be JavaScript through and through.
You will be a perfect match with our team if you love collaborating with people from all disciplines to solve complex problems, always want to learn new skills and take ownership of your work.
• Experience Working With Laravel, Performing Unit Testing, And Managing APIs Such As REST.
• A Solid Understanding Of Application Design Using Laravel.
• Knowledge Of Database Design And Querying Using SQL.
• Proficiency In PHP, HTML And JavaScript.
• Designing And Implementing Applications.
• And Resolving Technical Issues That Arise.
• Fixing Bugs
• The Desire And Ability To Learn.
- Required Good Coding Skills In HTML5, PHP, JS & MYSQL, BOOTSTRAP CSS, JQuery,
- Designing And Building The Website Front-End.
- Creating The Website Architecture.
- Designing And Managing The Website Back-End Including Database And Server Integration.
- Conducting Website Performance Tests.
- Troubleshooting Content Issues.
- Monitoring The Performance Of The Live Website.
- Knowledge Of CMS Have Additional Benefits
- Should Have A Deep Understanding Of UI/UX Frontend
- Should Have A Previous Experience With Landing Page Builders
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture
DUKAAN - Create Your Online Store in 30 Seconds
Dukaan is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogs (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram, etc. Praised by users all over India, this app has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital.
Dukaan is currently powering over 5M e-commerce stores built by Indian small businesses and growing at a crazy rate.
We are looking for a Backend Engineer to join our team who will be part of our new innovations team.
Requirements:
- Strong knowledge of Django, Django Rest Framework, and their design principles.
- Strong knowledge of Django ORM, should be able to leverage it to write complex and optimized queries (E.x Q queries, Case, When, Select related, prefetch related, Subqueries, Annotations, Aggregations, Filtering, etc.).
- Should be able to override DRF serializers, filters, and view set completely according to needs.
- Should have good experience in Class-Based Views to write the backend API.
- Sound knowledge of database design patterns and modeling them to Django models.
- Sound knowledge of how to write test cases for the APIs.
- Should be able to write optimized pythonic code adhering to python PEP standards.
- Strong knowledge of python packaging and how to architect a codebase that should be easily scalable and not get cluttered.
- Strong knowledge of REST API design patterns.
- The ability to write RAW SQL queries and further database-level coding will be a plus.
- Good Understanding of python’s asyncio, threading, and multiprocessing library, their benefits and limitations along with their appropriate use cases.
- Hands-on knowledge of celery and its corresponding message broker such as RabbitMQ, Redis, etc.
- Experience with building a CDC(Change Data Capture) pipeline will be a plus.
- Experience with Apache Kafka, Kafka connect and Debezium will be a plus.
- Experience with open source will be a plus.
- Good knowledge of Algorithms and data structures.
Responsibilities:
- Understand the ins and out of the existing codebase and have a good grasp of it.
- Write clean, stable, and scalable code.
- Write unit test cases for the APIs.
- Do whitebox and blackbox testing for your own code and as well as others if required.
- Understand and implement fast prototype solutions for business needs.
We’re seeking an expert Full-Stack developer ( Expert in HTML 5, PHP, Canvas & JQuery) to help us update our back-end admin. You will work from layouts in Adobe XD and Anima and work side by side with our development team in Manila and coordinate tasks and timelines to complete our project. Estimate full-time 3 month timeline- possibility may need you for ongoing freelance work after project completion.
We are looking to hire a temporary, freelance position for now.
REQUIREMENTS
• At least 3 year(s) of working experience in eCommerce web development is required for this position
• Strong knowledge of current architectural approaches to web-based applications development
• Experience with Agile development projects
• Ability to effectively manage changing and multiple priorities
• Experience with PHP, CSS, HTML / HTML 5, Javascript coding
• MVC based PHP framework (Laravel)
• jQuery/AJAX/JSON or other Javascript frameworks (AngularJS, React Backbone, etc)
• HTML5 Responsive framework (Bootstrap, foundation, skeleton, etc)
Knowledge of Linux command-line
• Experience of using version control (Github, Subversion, BitBucket, Adobe Photoshop, Adobe XD, Anima)
• Knowledge and understanding of how to update modules using Angular or React
• Knowledge and understanding of Databases (MySql/MSSQL)
• Knowledge and understanding of SEO tools application
• Experience with open-source software
• Enjoy mentoring team members; helping them to advance their technical skills
• Must be able to stay on top of advancing internet and computer technology and its effects to the business environment
• Be willing to work in a research capacity ñto find, test, and critically review open-source frameworks and technologies.
HOW TO APPLY
Make an intro answering the following questions:
1) Provide an example of a web application that you've built that uses HTML 5, Canvas or where multiple files can be uploaded simultaneously









