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Flatworld Solutions - Lead Software Engineer - Backend Development

Flatworld Solutions Private Limited
6 - 10 Years
Multiple Locations

Posted on: 29/06/2026

Job Description

Role : Lead Software Engineer Backend.


We are seeking a highly skilled Lead Software Engineer with 6 years of professional experience in all phases of the software development lifecycle, including analysis, architectural design, development, testing, maintenance, and deployment of applications.

The ideal candidate will have specialized expertise in web-based software applications, mobile APIs, and experience in gathering and planning feature requirements in collaboration with clients.

This role requires hands-on experience with Agile methodologies like SCRUM, where you'll be responsible for programming during both the development and maintenance phases of projects.

Key Responsibilities :

- Lead the software development lifecycle including analysis, design, development, testing, and deployment.

- Collaborate with clients and stakeholders to gather requirements and plan features.

- Develop and maintain web-based applications and mobile APIs.

- Utilize Agile methodologies, particularly SCRUM, to manage project timelines and deliverables.

- Oversee code quality and ensure best practices in version control using tools like GitHub, GitLab, and Bitbucket.

- Integrate third-party services such as Facebook, LinkedIn, Twitter, Instagram, Slack, and SSO with Microsoft Azure and Okta.

- Implement backend systems for storing user data, including wellness profiles, preferences, and user activities from platforms like Google Fit, Apple Health, and Strava.

- Deploy and manage applications on AWS and GCP cloud services.

- Write and maintain unit tests using frameworks like Mocha, Chai, Sinon, and Jest.

- Work closely with cross-functional teams to ensure seamless integration and delivery of features.

Technical Skills :

- Languages : JavaScript, TypeScript.

- Frameworks : AdonisJs, NestJs, Express.

- Web Services : REST APIs, GraphQL, Microservices.

- Third-Party Integrations : Facebook, LinkedIn, Twitter, Instagram, Slack, SSO with Microsoft Azure and Okta, Contentful.

- Databases : MySQL, PostgreSQL, DynamoDB, Redis.

- Cloud Services :

1. AWS : SES, SNS, S3, Lambda, Cognito, CloudWatch, AppSync, CloudFormation, DynamoDB, SQS, OpenSearch, RDS, Aurora, EventBridge, ECS, Elasticsearch, ECR, EC2, CloudFront.

2. GCP : Cloud Storage, Cloud Function, Pub/Sub, Cloud Scheduler, Cloud SQL.

- Unit Tests : Mocha, Chai, Sinon, Jest.

- Version Control : GitHub, GitLab, Bitbucket, Terraform, Jenkins, CircleCI.

- Payment Gateways : Stripe, Chargebee.

- Operating Systems : macOS, Windows.

- Keywords : CircleCI, AWS, Contentful.

Additional Requirements :

- The new hire should have Node.js + TypeScript experience.

- All the backend APIs are Node.js-based, using TypeScript for the recent implementations.

- Extensive experience in AWS services.

- Experience in designing and developing APIs using a microservices architecture, particularly factoring scaling and performance in mind to deal with holiday traffic spikes.

- The person should be able to think about the bigger picture and design solutions with the entire system in mind.

- Depending on how heavily you'll lean on AI/ML in upcoming projects.

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