
Backend Engineer (Node.js & TypeScript) | SDE-1 - Mumbai
at An emerging general insurance business in India. AI-led, fas
Hiring for: An emerging general insurance business in India. AI-led, fast and transparent.
Role: Backend Engineer (Node.js & TypeScript) | SDE-1
Experience: 1 to 3 Years
Location(s): Mumbai - Work from office (Vikhroli)
Type: On-site / Permanent
Notice Period: Immediate to 30 days
Note: Candidates only from Strong product-based startups / product companies required
& Candidates from premier engineering institutes (IITs, NITs, BITS, IIITs, DTU, NSUT, etc.) are preferred.
We're looking for a Software Engineer who thrives on building scalable systems from the ground up, enjoys working across the stack, and wants to be part of an incredible 0 to 100 journey.
Roles and Responsibilities:
- Design and develop world-class insurance tech solutions from the ground up.
- Own features end-to-end – from API design to deployment, ensuring performance and scalability.
- Play a key role in shaping technical decisions, architecture, and best practices.
- Iterate quickly based on user feedback, balancing speed and scalability.
Required skills:
- 1+ years of experience in backend engineering.
- Proficiency in Node.js, and TypeScript, APIs, databases.
- Experience working with and building backend systems that have been used in the real world.
- Ability to navigate different stages of product development - from scrappy MVPs to scalable architectures.
- Passion for building customer-driven products and solving real-world problems. This is a rare opportunity to shape a product from the ground up, work with a stellar team, and transform the insurance space with technology. If that excites you, we’d love to chat!
Benefits:
- Greenfield Opportunity : Build scalable products from scratch in a rapidly evolving sector.
- End-to-End Ownership : Work across the stack, shaping product experiences for scale.
- Learn from the Best : Collaborate with an exceptional leadership team with deep expertise in tech and insurance.
- Impact at Scale: Be part of an early-stage team revolutionizing a trillion-dollar industry.

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Specific Knowledge/Skills
- 4-6 years of experience
- Proficiency in Python programming.
- Basic knowledge of front-end development.
- Basic knowledge of Data manipulation and analysis libraries
- Code versioning and collaboration. (Git)
- Knowledge for Libraries for extracting data from websites.
- Knowledge of SQL and NoSQL databases
- Familiarity with RESTful APIs
- Familiarity with Cloud (Azure /AWS) technologies
About the Company
F22 Labs is a startup software studio based in Chennai. We power startups worldwide by building high-quality software products. From web apps to mobile platforms, we help entrepreneurs turn their ideas into beautifully crafted solutions. If you're passionate about software development and eager to build real products that solve real problems, you’ll fit right in.
Position Overview
We are seeking a talented and experienced Senior Node.js Developer to join our growing engineering team. In this role, you will be instrumental in designing, developing, and maintaining the backbone of our applications. You'll leverage your 3-5 years of expertise to build robust, scalable, and high-performance backend services and APIs. You will also play a key role in making architectural decisions, mentoring junior developers, and driving best practices within the team. If you're eager to tackle complex problems, contribute to innovative projects, and lead by example, this position is for you.
Key Responsibilities
● Design, develop, test, deploy, and maintain highly scalable and reliable backend services, APIs, and systems using Node.js (with frameworks like Express.js or NestJS) and TypeScript.
● Architect and implement robust solutions for complex business requirements, ensuring code quality, performance, and security.
● Collaborate closely with cross-functional teams including front-end developers, product managers, QA engineers, and designers to deliver high-quality products.
● Lead and participate in code reviews, providing constructive feedback to ensure adherence to coding standards and best practices.
● Design and manage database schemas (SQL and NoSQL, e.g., PostgreSQL, MongoDB, Redis) and optimize database queries for performance.
● Develop and maintain comprehensive unit, integration, and E2E tests to ensure software quality and reliability.
● Work with containerization technologies like Docker and orchestration tools like Kubernetes for deploying and managing applications.
● Implement and maintain CI/CD pipelines for automated building, testing, and deployment of applications.
● Mentor and guide junior developers, fostering a culture of learning and continuous improvement.
● Troubleshoot, debug, and upgrade existing software, identifying and resolving performance bottlenecks.
● Stay up-to-date with emerging technologies, industry trends, and best practices in Node.js development and backend architecture.
● Contribute to architectural discussions and decisions, helping to shape the future of our backend systems.
Qualifications and Requirements
● 3-5 years of professional experience in backend development with a strong focus on Node.js.
● Expert proficiency in TypeScript.
● Proven experience with Node.js frameworks such as Express.js or NestJS (highly preferred).
● Strong understanding of asynchronous programming, event-driven architecture, and design patterns.
● Solid experience in designing, building, and consuming RESTful APIs; experience with GraphQL is a plus.
● Proficiency with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis) database technologies, including data modeling and query optimization.
● Hands-on experience with containerization technologies (Docker) and a good understanding of container orchestration (Kubernetes).
● Experience with CI/CD tools and practices (e.g., Jenkins, GitLab CI, GitHub Actions).
● Experience deploying and managing applications on cloud platforms (AWS, Azure, or GCP), including familiarity with relevant services (e.g., EC2, S3, Lambda, RDS).
● Strong problem-solving, analytical, and critical thinking skills.
● Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
● Proven ability to mentor junior team members.
● Familiarity with Git and collaborative development workflows.
Good to have:
● Experience with testing frameworks (e.g., Jest, Mocha, Chai) and a commitment to writing well-tested code.
● Experience with microservices architecture and distributed systems.
● Experience with serverless architecture (e.g., AWS Lambda, Azure Functions).
● Knowledge of message queue systems (e.g., Kafka, RabbitMQ, AWS SQS).
● Familiarity with Infrastructure as Code (IaC) tools like Terraform or CloudFormation.
● Understanding of front-end technologies (e.g., React, Angular, Vue.js) to facilitate better collaboration.
● Experience with performance monitoring and optimization tools.
● Active contributions to open-source projects or a strong portfolio of personal projects.
Why Join Us (Perks & Benefits)
● Flexible work timings.
● Fast-paced, hands-on learning environment.
● Fun, collaborative, and supportive team culture.
● Real-world impact from day one.
If you're looking to supercharge your development skills and work on meaningful software in a startup that values learning and creativity, we’d love to hear from you. Apply today!
Job Description:
- Strong Experience of Node JS.
- Strong Experience of Reactjs development
- Experience in Server-side application architectures like Express.js, Meteor.Js, etc. is desirable.
- Experience in developing APIs is highly desirable.
- Experience in Mongo or MySQL database is a must.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Understanding fundamental design principles behind a scalable application.
- Experience in delivering products using an Agile methodology is highly desirable.
- Experience with automated unit, integration and end-to-end testing is highly desirable.
- Experience in the area of network or systems management is a plus.
Role Overview
As a Senior Backend Engineer, you will be working closely with our core team in building products from scratch into large-scale platforms and solving business problems leveraging new and innovative technology. More than anything, we are looking for engineers that are eager to learn and build a meaningful company. We are a small team and encourage engineers to wear many hats
Responsibilities
- Design and build highly reliable and performant applications that deliver a great user experience.
- Own large technical deliverables and execute in a structured manner.
- Take the accountability of the overall health of the applications you build.
- Platformize components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly
Skills & Requirements
▪ Work Experience between 2 to 6 years in large scale applications with desire to work in fast paced startups
▪ Experience/Knowledge of Node.JS, Express .JS, AWS, MongoDB.
Deep understanding of your tools: Languages, frameworks, systems.
• Experience working with SQL databases, query optimisation and designing schemas
• High coding standards - understanding of test coverage best practices & test pyramid concept.
• Design, analyze, code, test, and deploy applications to satisfy business requirements for large, complex projects.
BillTrim uses ML + Human to negotiate and monitor all utility bills such as cable, internet, cell phone, electricity, auto insurance, etc
BillTrim negotiates a better rate and protects our customers from overpaying.
BillTrim is San Francisco-based growing startup funded by well-respected and proven investors.
Why work with us?
BillTrim is here to make history. We are passionate to solve problems.
We deeply care about our customers.
To work on something great, something big not average.
We do not compromise with quality. To make SAAS that customers will love and appreciate.
To witness crazy growth and take your career and take it to new heights.
We believe in one outstanding employee gets more done and costs less than two adequate employees.
Less is better, do not clutter unnecessary text, images, buttons, or even a line of code.
We follow Silicon Valley culture.
Personality traits to become a part of BillTrimmer's famiy:
Go to attitude
Tenacious and hungry to make a name
Willing to learn and adapt
Willing to work on weekends if need be
Filled with curiosity and not afraid to ask questions
Think independently and be open-minded to possibilities
Do not apply:
If you are looking for a regular 9 to 5 job
If you are not willing to make BillTrim a priority in your life
If you are not willing to give your best.
If you do not enjoy working in fast pace startup
If you are not comfortable in doing a job you aren't hired for
If you need someone to explain to you every single detail
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We want a MEAN stack developer who is definitely not mean but is enthusiastic, quick at grasping, and has experience in handling multiple projects and codebases.
You should be energetic, authoritative, focused, and experimental at work.
We are looking for experienced backend engineers only.
Apply only if you have 8 YES out of the following 10 qualifying criteria :
-Strong grip over HTML, CSS, and Angular 9+
-Good with CSS styling and theming
-Expert at API development using NodeJS
-Experienced with MongoDB DB
-Self-starter with good communication skills
-At least 2+ years of experience
-Must be willing to work from Bangalore (HSR)
-Have than 2 years of experience with multiple frontend projects in MEAN Stack?
-HAVE worked in a B2C Startup for at least a year?
-CAN join in within 30-45 days?
Position Responsibilities:
1. Design, implementation, and deployment of applications
2. Expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices.
3. Functionally decompose complex problems into simple, straight-forward solutions.
4. Work extensively with cross-functional teams across.
5. Work with the business team and project managers to convert functional requirements into detailed technical specifications.
6. The ideal candidate will be a leader, builder, and operator. He/she should be able to operate in a very fast-paced environment where time to hit the market is supercritical.
Desired Candidate profile:
1. A Bachelor's/Master’s degree in Computer Science or equivalent combination of technical education from Elite College or institution and work experience.
2. 4+ years of Software Development experience.
3. Excellent object-oriented design and coding skills (Java, C++ on a UNIX or Linux platform).
4. Very strong software development background including design patterns, data structures, test-driven development.
5. Ability to design and implement systems end to end on your own while maintaining highest coding standards.
6. Excellent knowledge of design patterns and ability to reflect it in their code.
7. Ability to lead projects and mentor junior engineers on the same.
8. Mandatory work experience in skills sets: REST API, JDBC, RDBMS (PostgreSQL, MySQL)
9. Solid Experience with distributed (multi-tiered) systems, algorithms, and relational databases.
10. Software development experience in Servlet, JSP, Spring, AWS, S3, SQS, building web services and highly scalable applications or Google Cloud Suite.
11. Excellent verbal and written communication skills.
- Strong programming skills in Javascript/TypeScript, Python or Go.
- Hands-on experience in API development and frameworks such Express, Loopback, Hapi.
- Good Understanding of SQL and NoSQL database.
- Experience in test driven development. (writing unit test and API test).
- Understanding of basic cloud computing concepts and experience in using any of the major cloud service providers(AWS/GCP/Azure).
- Ability to build and deploy the application in a containerized environment.
- Understanding of application logging and monitoring systems like Prometheus or Kibana.
Qualification:
- B.E/B.Tech/M.E./M.Tech/M.S. from a reputed university with a good academic record.
- Curiosity to explore the cutting edge technologies and bake them in the products.
- Zeal and drive to take end to end ownership.










