
Sr. Backend Developer for a Product Based Company ( Node.js )
at Upskillist


Responsibilities:
- Resolve complex technical issues and make design decisions to meet the critical requirements of scalable, highly available, multi-tenant enablement of services in the cloud.
- Independently investigate, present options, review and implement completely new functionality OR re-architect an existing solution to meet growing needs
- You will work closely with other development teams, product management, UX, and QA to define and implement a new product offering while ensuring continued functionality.
- Work with various external (application) teams to integrate with the product and help guide the integration.
- You will implement solutions that include database schema, business logic, and some presentation layer work.
- You will use existing methods and best practices in the software industry to create features and platforms with the highest levels of security, reliability, efficiency, and scalability.
- Experience mentoring senior developers.
Requirements:
- 8+ years of experience in software development experience with a proven track record of making technical decisions
- 8+ years of experience in coding in more than one programming language, e.g. Python, GoLang, node.js, etc
- Intimate working understanding of modern web applications from the database to browser
- Intimate understanding of MongoDB and extensive experience with database-driven applications
- Great problem-solving skills and ability to abstract functional requirements
- Excellent communicator in both technical and non-technical contexts
- Experience designing and improving complex software applications
- Experience coaching and mentoring developers at various levels of experience
- You have a sound understanding of programming fundamentals & their application to highly scalable web-based systems.
- You have successfully led a small agile team.

About Upskillist
About
Providing upskillists globally practical, quality education and learning so they can effect real world change in their lives. Providing employers the ability to upskill their employees so they can recruit and retain more staff and deliver real business ROI. Reach out to [email protected]
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Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
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.



Notice Period should be imemdiate or Max 20 Days
● Experience in Core Java and Spring.
● Extensive experience in developing enterprise-scale n-tier applications for financial
domain. Should possess good architectural knowledge and be aware of enterprise
application design patterns.
● Should have the ability to analyze, design, develop and test complex, low-latency
client-facing applications.
● Good development experience with RDBMS, preferably Sybase database.
● Good knowledge of multi-threading and high-volume server-side development.
● Experience in sales and trading platforms in investment banking/capital markets.
● Basic working knowledge of Unix/Linux.
● Excellent problem solving and coding skills in Java.
● Strong interpersonal, communication and analytical skills.
● Should have the ability to express their design ideas and thoughts.


What will you be doing
- Build scalable and loosely coupled services to extend our platform
- Build bulletproof API integrations with third-party APIs for various use cases
- Evolve our Infrastructure and add a few more nines to our overall availability
- Have full autonomy and own your code, and decide on the technologies and tools to deliver as well as operate large-scale applications on AWS
- Give back to the open-source community through contributions to code and blog posts
- This is a startup so everything can change as we experiment with more product improvements
About you
- Relevant Experience: Minimum 6+ Years
- You have prior experience developing and working on consumer-facing web/app products
- Hands-on experience in Python. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
- Experience in at least one of the following frameworks - Django, Flask, Falcon, web2py, Twisted, Tornado
- Working knowledge of MySQL, MongoDB, Redis
- Good understanding of Data Structures, Algorithms, and Operating Systems
- You've worked with core AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- You can dabble in Frontend codebases using HTML, CSS, and Javascript
- You love doing things efficiently.The works you will have a disproportionate impact on the business. We believe in systems and processes that let us scale our impact to be larger than ourselves
- You might not have experience with all the tools that we use but you can learn those given the guidance and resources


Responsibilities:
-
Design and implement backend infrastructure and APIs.
-
Write high quality code that is robust, readable and scales.
-
Possess the drive to dive deep. thrive and progress even in ambiguous situations.
-
Encourage and support knowledge sharing within teams and external groups.
-
Troubleshoot & debug applications.
-
Adopt problem solving as a way of life - always go to the root cause.
-
Collaborate with the team to discuss and implement ideas.
-
Build responsive, robust and optimised applications.
Requirements:
-
Passionate about building backend systems.
-
Desire to explore new ideas, open to other ideas as well.
-
Love for writing clean, beautiful, readable and testable code.
-
Experience in designing extensible DRY code.
-
Our stack is based on Django, Python3 Celery, Angular and Postgres.
-
We expect you to have a good understanding of Python. It's even better if you are familiar with some of Git. Django, Celery, Redis and Unix Shell.
We are looking for a software engineer who:
🙋 is curious and asks a lot of questions!
🤤 has good product taste.
⚡️ is passionate about writing clean code.
🕵 has strong problem solving skills.
🖥 can turn 1-pager specs into detailed features.
❣️ loves / appreciates automated testing!
😇 is humble, kind and has a good taste of sarcasm.
💻 has hands-on experience with JavaScript.
☀️ Non-mandatory, but nice to have:
👶🏻 worked in an early-stage startup.
🤟🏻 built and led a small engineering team.
✨ 2+years of experience.
💻 open source enthusiast.
🦄 You are passionate about teaching, learning and creator economy.
🤔 What's the interview process like?
We try to close the interview process within 3 days.
Take us through what excites you the most about this role/challenge.
A flexible project round.
Discussion with founders.
- Strong proficiency with JavaScript
- Knowledge of Node.js and frameworks available for it
- A good understanding of the nature of asynchronous programming, its challenges, 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 of accessibility and security compliance
- Experience in user authentication and authorization between multiple systems, servers, and environments
- Proficiency in API integrations
- Understanding of fundamental design and architecture principles to scale an application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- A degree in any discipline
- Good communication and team skills
- Ability to listen to the requirements of team members and clients and translate them into great solutions




