the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture

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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
Strong Senior Backend Engineer profiles
Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D
Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)
Skills:
We would prefer it if the candidate has 1 + years of experience.
- Node.js - must have knowledge and experience
- MySQL/MongoDB - must have knowledge and experience
- GIT
- Any JS backend framework
Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Gather and understand technical and design requirements
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Qualification:
- Bachelors in IT Engineering (Preferred)
- Master in Computer Applications
- M.Sc IT
Other Information:
Location:
Mumbai, Malad.
Age group:
22 years to 27 years.
Working Days:
Monday to Friday only, Saturdays and Sundays fixed off.
Working Timings:
10:30 am to 7:30 pm
Role Responsibilities:
- Development and Maintenance of REST APIs: Lead the creation and management of our RESTful APIs, ensuring top-notch performance and alignment with evolving requirements.
- Proficiency in Coding: We're in search of expertise in Python or equivalent programming languages. Your coding skills will play a pivotal role in delivering high-quality (efficient, reusable, testable, and scalable) solutions.
- Unit and Integration Testing: Apply your expertise to craft unit and integration tests, upholding code quality and reliability.
- Version Control Systems: Proficiency in Distributed Version Control Systems is vital for seamless collaboration during development.
- Elasticsearch Expertise: Having valuable experience with Elasticsearch is a plus, given its critical role in data retrieval and search functionalities.
- NOSQL Database Familiarity: Knowledge of NOSQL databases like Cassandra and MongoDB will be advantageous.
- Message Broker Knowledge: Understanding message brokers, especially RabbitMQ, is beneficial for effective communication within our systems.
Desired Qualifications:
- Experience: 1-2 years of hands-on experience as a Python developer.
- AWS: Proficiency in AWS cloud management and architecting enterprise data solutions.
- Pragmatic Problem-Solving: Recognize when a solution should be streamlined and when creating the right abstraction will lead to long-term efficiency gains.
- Passion for Quality: Demonstrate dedication to producing work of the highest quality and following best practices.
- Agile/Lean Process: Familiarity with Agile/Lean methodologies is a plus, reflecting your adaptability and collaborative spirit.
- Startup Mindset: Embrace the challenges and opportunities of a startup environment, contributing your skills and insights to our growth.
- Debugging and Optimization: Showcase excellent debugging and optimization capabilities to enhance system performance.
- Tech Awareness: Stay updated on emerging technologies and possess a solid understanding of the full product development life cycle.
- UX and Information Architecture: Exhibit excellent knowledge of mobile user experience, information architecture, and industry trends.

- Interest in our tech stack (Java or Scala, SQL Databases, NoSQL, Microservices, and AWS)
- Strong computer science fundamentals with data structures, algorithms, various programming languages, distributed systems, etc.
- Understanding of engineering best practices—you constantly seek to improve engineering standards, tooling and processes
- Ability to write “good code” - easily understandable, secure and testable!
- Comfortable helping drive technical decisions within our Engineering team
- Experience building applications at scale
1. As a founding backend engineer, tackle a wide range of technical challenges: from
designing powerful new integrations to scaling our real-time web service to hundreds
of users
2. Build high-impact, end-user features that vastly improve user productivity.
3. In a small cross-functional team you will collaborate closely to discuss the feasibility
and direction of prototypes or planned product features.
4. Address complex problems at both an application and system-level, and maintain
existing codebases
5. Work directly with CTO to set the tone for the engineering culture and create
processes for improving engineering standards
This role is tailor-made for you if
1. You have a work experience of 3+ years as a Backend Developer
2. You have hands-on experience with Node JS, Golang will be a plus
3. Demonstrated fluency with REST APIs, third-party libraries, and client/server
architectures
5. You have experience with maintaining backend microservices
6. You are comfortable conducting code reviews and giving feedback to ensure high
standards of code maintainability and extensibility
7. You are energized by ambiguity and can create structure in a dynamic, fast-paced
environment
8. You’ve high confidence, low ego, and are generally a good human being :)
You earn brownie points if
1. You love Slack (we are a Slack first company)
2. You have been part of an early/mid-stage start-up before
3. You love TechCrunch. We are obsessed with reading and talking about startups
4. You have created some amazing open-source projects
About Sibros
Headquartered in Silicon Valley and backed by top flight investors, Sibros offers a vibrant and dynamic culture where you can apply your talents to help shape game changing innovations being adopted by some of the most valuable electric vehicle startups to prestigious automotive brands around the world.
Collaborate with a team of highly skilled and knowledgeable engineers, where from day one your work will have a direct impact on millions of vehicles, a roster of A-list customers and how the world moves people and goods. Sibros is a certified Great Place to Work, Most Diverse Company and our technology has captured major media headlines and industry awards including the 2021 Connected Car Platform of the Year by IoT Breakthrough Awards. For more information visit http://www.sibros.tech/">www.sibros.tech
About the Role
- Deliver high-quality code in a fast-paced customer-facing product
- Build distributed systems to support large scale, low latency queries
- Be involved in the full life-cycle of product development from concept to deliverables
- Iterate quickly by working closely with the firmware team as well as clients and end-users of the products
- Design and implement a secure and robust API to communicate with millions of vehicles
Minimum Qualifications
- Excellent understanding of computer science fundamentals, data structures, and algorithms
- Good understanding of SQL or NoSQL Database
- Experienced in writing production-grade code
- Strong background in designing large scale distributed systems
Preferred Qualifications
- Strong experienced in writing Golang in production
- Familiar with Cloud-native technologies
- Familiar with version control systems
- Full Stack development experience in both frontend and backend
- Experienced in having fast iteration in product
Equal Employment Opportunity
Sibros is committed to a policy of equal employment opportunity. We recruit, employ, train, compensate, and promote without regard to race, color, age, sex, ancestry, marital status, religion, national origin, disability, sexual orientation, veteran status, present or past history of mental disability, genetic information or any other classification protected by state or federal law.
An ideal candidate should have well-rounded experience (5-10 years) in various technologies - backend/web development (Python/Django), DevOps, Android and iOS - or at least 2 out of the above
The person would be managing an expanding team of developers and guide the product development, along with contributing significantly to the core decisions of the company.
An entrepreneurial spirit, and the passion to make a difference in the healthcare ecosystem of the country is recommended.
The candidate will be well compensated with a combination of cash + equity, depending on experience and expertise.
Tech9 India is looking for a mid-senior software engineer who is an expert with Nodejs and MongoDB. This is a great opportunity to work with a company that has a primary focus of making our customers happy by delivering value, without all the burdensome policies and rules that have become typical for outsourced software development companies.
If you are looking for a change this is what we can promise you:
- You will have challenging problems to solve
- You will have flexibility and autonomy to solve problems and deliver solutions
- We will provide a highly collaborative environment with skilled and super friendly teammates
- We will fully support you in developing software the right way
- We won't burden you with useless policies and procedures
- We will provide you the tools you need to do your job right
If this sounds attractive please apply! We'd love to talk to you!
Responsibilities:
- Work with cross-functional teams, using agile practices, write, debug and deliver code
- Produce solid, thoroughly tested features
Requirements:
- Mid level roles require at least 3 years of experience in Nodejs senior roles require at least 4 years of experience with Node.
- At least 3 years of experience developing in HTML and CSS
- Strong verbal and written communication skills
- Experience working with product managers and scrum teams to effectively translate business requirements into workflows
- Demonstrated ability to remove problems and overcome roadblocks
- Cloud platform experience
- Hands-on experience with APIs, microservices
- Multiple years of experience delivery solutions through an Agile delivery methodology
- Ability to understand complex systems and solve challenging analytical problems
- Ability to leverage multiple tools and programming languages to analyze and manipulate data sets from disparate data sources
- Strong problem solving skills and critical thinking ability








