
Job description
Experience: 5+ years
Location: Bangalore
Roles and Responsibilities
- Design and code features in the back-end as per the specifications provided by the Product and Design teams.
- Ship features in fast moving agile sprints.
- Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
- Ability to build a feature from scratch & drive it to completion.
- Strong skills in architecting database models.
- Ability to document your code as this will be an open-core project.
- Ability to write unit, integration, and end to end tests.
- Conduct peer code review.
Skills
Must have:
- Strong understanding of Javascript and NodeJS.
- Good understanding of asynchronous programming, callback, and closures.
- Experience developing applications that use queues like SQS, RabbitMQ, Kafka, etc.
- Experience with AWS services like S3, EC2, etc.
- Experience with Docker.
- Should be strong in Postgres database.
- Test driven development and use of frameworks like Mocha, Cypress.
- Strong proficiency in English and writing skills.
Good to have
- Basic knowledge of CI, CD
- Intermediate knowledge in any cloud services (AWS, GCP)
- Have created GraphQL APIs or worked with the Apollo framework.
- Have built previous functionality for CRM, marketing, or customer support tools.
- Have worked in open source project previously.

About Sequence
About
Sequence is a data-driven CRM and customer communication platform. Sequence enables customers to use to data to grow their business through data driven marketing, product development, and customer success. Sequence was started by 2 successful serial entreprenuers that have raised millions of dollars in VC funding and successfully exited previous startups.
Why Explore a Career at Sequence
- Best Remote environment.
- You will get to work in a dynamic and fast paced environment.
- Use the latest technologies to solve problems (Nodejs, React, ML, Devops, Data eng).
- Data comes first, create products which users love.
- Fast growing company with great colleagues.
Connect with the team
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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.
We are looking for a highly capable Node.js/ExpressJS developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.js/ExpressJS based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Qualification:
- Bachelor’s degree in computer science, information science, or similar.
- At least three years’ experience as a Node.js and ExpressJS developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
At least 3 years' experience as a Node.js developer.
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in MongoDB and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.


Key Skills Required :
- Proficiency in Python 3.x based web and backend development
- Solid understanding of Python concepts
- Strong experience in building web applications using Django
- Experience building REST APIs using DRF or Flask
- Experience with some form of Machine Learning (ML)
- Experience in using libraries such as Numpy and Pandas
- Hands on experience with RDBMS such as Postgres or MySQL including querying
- Comfort with Git repositories, branching and deployment using Git
- Working experience with Docker
- Basic working knowledge of ReactJs
- Experience in deploying Django applications to AWS,Digital Ocean or Heroku
Responsibilities :
- Understanding requirement and congributing to engineering solutions at a conceptual stage to provide the best possible solution to the task/challenge
- Building high quality code using coding standards based on the SRS/Documentation
- Building component based, maintainable, scalable and reusable backend libraries/modules.
- Building & documenting scalable APIs on the Open Spec standard
- Unit testing development modules and APIs
- Conducting code reviews to ensure that the highest quality standard are maintained
- Securing backend applications and APIs using industry best practices
- Troubleshooting issues and fixing bugs raised by the QA team efficiently.
- Optimizing code
- Building and deploying the applications
Work as a member of a team responsible for developing a HIPAA compliant secure care coordination platform in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with new technologies & frameworks such as Spring Cloud Netflix, AWS, Azure, NoSQL DB.
Essential Functions include but are not limited to the following.
You will be expected to:
- Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
- Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables
- Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
- Guide/mentor the less experienced team members
- Participate in code reviews
- Work effectively as part of a distributed team
- Document the features worked by him/her
Key technical expertise areas expected for this role:
Strong programming skills in Java 8(+) with clear understanding of Object-Oriented and Functional programming.
- Experience on REST API Programming based on a Microservices Architecture
- Good Understanding of Databases (MySQL & Mongo) and proficiency in database schema designing & writing efficient SQL Queries
- Strong troubleshooting skills
- Demonstrable ability to learn new programming languages and frameworks quickly
- Experience with distributed systems with specific focus on security and scalability
- Experience with modern cloud technologies such as AWS or Azure
Additional areas that would add value:
- Spring Cloud
- Experience working with AES 256 based encryption algorithms
- Strong understanding of Design Patterns & their application in system design
- Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
- Experience working on projects, preferably in the healthcare domain
- Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
- Automated Unit/Integration testing
- Experience working with Linux and Shell scripting
- Frontend web development with JavaScript frameworks like AngularJS
- Test Driven & Behavior Driven Development
- Experience working in Agile Scrum/Kanban methodologies
Education and Experience:
- Bachelors or Master’s in Computer Science or related fields.
- 5+ years of experience


(NOTE-we are lookking for those ho can join immediatley or within 15-20days of notice period)
Job Description:
Passionate about making an impact, have a high level of energy and resilient when met with challenges. In addition, you will possess the below:
• Owns, implements and delivers key modules, and when necessary develops quick working prototypes
• Ensures that code developed is easy to test, easy to understand, extensible
• Ensures unit tests, integration tests are written for all modules implemented
• Ensures on time, quality delivery
• Does component /module/ sub- system design with Micro services
• Good to know NoSQL database, MongoDB
• Store user identities and authenticating requests using JWT
• Experience in deploying application to the cloud with Docker, docker compose and Kubernetes
• Good exposure in handling commands, events, handlers and other design patterns
• Delve into unit- and integration-testing the distributed system
• Experience in developing mobile apps (Android and iOS)
• CI/CD pipeline experience (Jenkins, CircleCI, or other)
• Supports in project estimation, planning
• Performs the role of a Specialist by ensuring the consistency and efficient integration of the separate modules of software that meets the product specification.
• Manages technical communication with partners and stakeholders
• Up-to-date with the latest trends, techniques, and technologies in cloud computing
• Strong team player
• Agile development, Scrum, Scaled Agile Framework (SAFe)
• Ability to engage with multi-site teams in a multi BU environment
• Excellent abstraction and analytical skills
• Excellent communication and documentation skills
• Ability to stay focused on the target in an ambiguous situation.
• Proactive and self-driven
Key Requirements:
• 8+ years professional experience in commercial or web-scale system software development and delivery Strong analytical skills
• 5+ years Experience in building micro services using .NET core, MVC core, JavaScript, XML
• Awareness – Python, Django, PHP, Angular, CSS
• 2+ year hands-on Azure experience.
• Experience in handling messages through distributed system
• Date store - SQL Server, MySQL, PostgreSQL, Redis etc
• In-depth hands on technology experience in the following areas:
o Strong in Object Oriented Programming concepts
o Experience in developing software using C# .NET, Cloud (Azure), SQL Server, CI/CD pipeline
o Experience in Test driven development using NUnit, mocking framework
o Database - SQL server, ORM and PostgreSQL, Redis
o Mobile application development and architecture aware
o Client/server - Networking, multithreading
o Deployment - Docker, Kubernetes
o Understanding of Cloud concepts, cloud deployments
o In depth understanding of ASP.net, MVC, IIS, security, Web API
o Working knowledge of Azure
o Exposure to Agile Scrum way of working, pair programming
o .NET Core, Web API, WPF, MVVM
o REST, JSON, JSON Schema
o Client / server, networking,
o Internet services, Windows Services, Security
o Any unit test framework (Nunit,MSTest), Mocking Framework (Moq,RhinoMock), TDD, Git , Jira
• 5+ years experience in Architecting solutions in software industry
• Experience architecting large scale web applications/products is a MUST
• Experience with technologies like .Net technologies, ASP.net Core, PHP, Angular, MySQL, Node.js, Python, Django, PostgreSQL & other new- edge technologies
• Experience with architecting, developing, and deploying on Azure Cloud platform is a must
• SaaS experience preferred in-depth working experience
• Must have experience in scalability, reliability, performance optimization, developing and deploying API based applications.
• In depth knowledge in DB Schema Design, Data Structures and trade- offs involved in writing queries
• Vast experience in integrating with external APIs and SDKs
Education
Bachelor or Masters Education in electronics, computer, software engineering or other relevant discipline.

Are you passionate about using technology to make people's lives better? Are you interested in becoming a part of one of the hottest trends in the world of start-ups today? Are you excited about joining the online ultra-fast grocery delivery service business pioneer and driving the trend forward? Then this may be the right opportunity for you.
Role and Responsibilities
- Helping lead the software development lifecycle: technical design, implementation, testing, deployment, and support.
- Working with cross-functional teams effectively to enable business growth.
- Proactively identifying engineering bottlenecks and initiating proposals to improve them.
- Writing high-quality, well-tested code in alignment with industry-wide best practices.
- Applying a product mindset to back-end systems.
-
- About five years of experience delivering product-quality code in an agile set-up
- Experience with Golang, REST APIs, Microservice Architecture, Elasticsearch, Redis, Docker, or Kubernetes
- Understanding of the philosophy of cloud and an experience of maintaining cloud-native services.
- Experience in designing, building, scaling, and maintaining production services, and knowledge of composing a service-oriented architecture.
- Experience of working in a fast-paced, rapidly-growing company (Good to Have).
- Working knowledge of Node.js (Good to Have).
-
- Passionate about technology and making an impact.
- A perpetual learner, who stretches their boundaries and enjoys new ideas.
- A doer who takes initiative and works well in a team.
-
Who We Are
Blok is a technology-first, online ultra-fast grocery delivery service business, and we are on our way to revolutionize how millions of people across countries consume groceries. We believe in a world where getting everything you need, when you need it, sustainably, is the new normal. And it takes less than 10 minutes.
We believe we are positioned to lead this revolution. Why? Our founding and early team has held senior positions at Deliveroo, Uber, Glovo, Mercadona, or Unilever. We have done this before, and we believe we can do it again. But this time, even better.
Embark on the journey and help us launch the revolution in one of the highest growth industries of the year. Help us shape the new normal.




