Staff Engineer - Backend

Lumen Dynamics is hiring Staff Engineer - Backend job (Remote only) | Cutshort

Staff Engineer - Backend
Staff Engineer - Backend

7
\- 14 yrs
₹25L - ₹45L / yr
Remote only
Skills
NodeJS (Node.js)
TypeScript
Python
Database Design
Microservices
Description:
For over 10 years, Lumen Dynamics has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems.  We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
– Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
– End to end responsibility to continuously create and monitor the services you build
– Help design reusable and clean API's for our frontend React app
– Guide team members with handling complex issues
– You will also be responsible for database schema design and development of migration scripts
– Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
– 10+ years professional SW development experience
– All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
– Must have good experience with Python
– Solid experience with databases is a must. We use and love Postgres here at Smokescreen
– You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
– Deep understanding and working knowledge of Redis cache
– Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
– Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
– Experience with Docker/Swarm is a plus
– Experience in some stream processing platforms like Kafka/Redis stream is a plus
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Founded
:
2008
Type
:
Product
Size
:
1000-1000
Stage
:
Profitable
About
Lumen Dynamics is the leading, most innovative firm in the $35 billion market - security - and we are actively working to bring cloud computing to Internet security just like Salesforce.com did to CRM. We have amassed more than 5,000 customers - including amazing brand name customers - and more than 12 million people across more than 180 countries are protected by our systems every single day. Lumen Dynamics is uniquely positioned to take advantage of the most important trends in the computing world - the shift to cloud computing, the ubiquity of mobile devices, the coming revolution that will be brought on by the Internet of things, and perhaps most importantly the evolution of threats - which are more serious today than they have ever been before. We are growing extremely fast, which means incredible career and growth opportunities for folks looking to join our team.
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\- 8 yrs
₹38L - ₹50L / yr
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Spring Boot
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Microservices
+16 more
Job Details
\- Job Title: SDE-3
\- Industry: Technology
\- Domain - Information technology (IT)
\- Experience Required: 5-8 years
\- Employment Type: Full Time
\- Job Location: Bengaluru
\- CTC Range: Best in Industry
Role & Responsibilities
As a Software Development Engineer - 3, Backend Engineer at company, you will play a critical role in architecting, designing, and delivering robust backend systems that power our platform. You will lead by example, driving technical excellence and mentoring peers while solving complex engineering problems. This position offers the opportunity to work with a highly motivated team in a fast-paced and innovative environment.
Key Responsibilities:
Technical Leadership-
– Design and develop highly scalable, fault-tolerant, and maintainable backend systems using Java and related frameworks.
– Provide technical guidance and mentorship to junior developers, fostering a culture of learning and growth.
– Review code and ensure adherence to best practices, coding standards, and security guidelines.
System Architecture and Design-
– Collaborate with cross-functional teams, including product managers and frontend engineers, to translate business requirements into efficient technical solutions.
– Own the architecture of core modules and contribute to overall platform scalability and reliability.
– Advocate for and implement microservices architecture, ensuring modularity and reusability.
Problem Solving and Optimization-
– Analyze and resolve complex system issues, ensuring high availability and performance of the platform.
– Optimize database queries and design scalable data storage solutions.
– Implement robust logging, monitoring, and alerting systems to proactively identify and mitigate issues.
Innovation and Continuous Improvement-
– Stay updated on emerging backend technologies and incorporate relevant advancements into our systems.
– Identify and drive initiatives to improve codebase quality, deployment processes, and team productivity.
– Contribute to an advocate for a DevOps culture, supporting CI/CD pipelines and automated testing.
Collaboration and Communication-
– Act as a liaison between the backend team and other technical and non-technical teams, ensuring smooth communication and alignment.
– Document system designs, APIs, and workflows to maintain clarity and knowledge transfer across the team.
Ideal Candidate
– Strong Java Backend Engineer.
– Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)
– Must have been SDE-2 for at least 2.5 years
– Hands-on experience with RESTful APIs and microservices architecture
– Strong understanding of distributed systems, multithreading, and async programming
– Experience with relational and NoSQL databases
– Exposure to Kafka/RabbitMQ and Redis/Memcached
– Experience with AWS / GCP / Azure, Docker, and Kubernetes
– Familiar with CI/CD pipelines and modern DevOps practices
– Product companies (B2B SAAS preferred)
– have stayed for at least 2 years with each of the previous companies
– (Education): B.Tech in computer science from Tier 1, Tier 2 colleges
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Posted by
F Twenty Two
Chennai
3
\- 5 yrs
₹10L - ₹16L / yr
NodeJS (Node.js)
Javascript
TypeScript
express.js
nestjs
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