
Backend Developer
š Noida | š Full-Time | š§ Experience: 2ā3 Years
The Mission
We aren't building traditional backend systems ā we're powering the infrastructure behind Agentic Intelligence. TestMu AI is building the world's first AI-native platform where backend systems don't just serve requests, they enable autonomous decision-making, execution, and scale.
The name "TestMu" comes from our community conference. Our users and team aren't an audience ā they're the heartbeat of what we build. We believe AI augments human potential. It doesn't replace it.
You'll be building the core backend systems that power AI-driven workflows ā ensuring high performance, scalability, and reliability at every layer.
The Pillars of Impact
š 1. Core Backend & System Architecture (50%)
- Build and scaleĀ high-performance backend services and APIs
- Design efficientĀ database schemas, query optimization, and data flows
- Write clean, logical, production-grade code (Python, Golang, or similar)
- Own system performance ā latency, throughput, and reliability
āļø 2. Backend for AI Systems (30%)
- Develop backend systems supportingĀ AI agents and autonomous workflows
- HandleĀ large-scale data processing, async tasks, and event-driven systems
- Integrate backend infrastructure seamlessly with AI/ML components
š§ 3. Scalability & Distributed Systems (20%)
- Contribute toĀ microservices architecture and service decomposition
- BuildĀ fault-tolerant, highly available distributed systems
- Optimize systems forĀ high concurrency and real-time execution
Your Engineering Stack
Tech/ToolsPython / GolangBuilding core backend services and logic-heavy systemsAWS / GCPDeploying and scaling distributed backend infrastructureKafka / RabbitMQHandling asynchronous processing and event-driven workflows
The Bar
SignalCore Backend Experience2ā3 years of hands-on experience building APIs, backend systems, and scalable servicesProblem-Solving AbilityStrong fundamentals in data structures, algorithms, and logical thinkingSystem Design UnderstandingAbility to design scalable backend systems with clear architectural thinkingOwnership & ExecutionExperience owning backend features end-to-end in a fast-paced environment
The Interview Loop Ā· Screening for the Top 1%
RoundsRound I Ā· Recruiter ScreenEvaluation of backend experience, problem-solving approach, and project depthRound II Ā· Hiring ManagerDeep dive into backend projects, APIs, databases, and system design thinkingRound III Ā· Domain LeadLive coding + backend problem-solving + discussion on scalability and distributed systemsFinal Ā· LeadershipCulture fit, ownership mindset, and ability to operate in a high-velocity startup environment
Your Growth TrajectoryĀ TestMu AI is a high-growth environment where we promote based on complexity solved, not years of tenure. As a Backend Developer, you have a massive runway to scale from an Individual Contributor (IC) into a core Engineering Leadership role, working alongside pioneers in agentic intelligence.
Perks of the Future
- Health & Wellness:Ā 100% premium covered insurance for you + family (spouse, kids, parents) with annual check-ups.
- Fuel for Innovation:Ā Fresh, daily gourmet lunch and dinner served at our Noida HQ.
- Seamless Transit:Ā Safe, GPS-enabled cab facilities for eligible shifts (home-office-home).
- POD Culture:Ā Dedicated quarterly budgets for team-building, offsites, and collaborative celebrations.

About TestMu AI (Formely LambdaTest)
About
TestMu AI (formerly LambdaTest) is the worldās first full-stack Agentic AI Quality Engineering Platform.
We built TestMu AI for a reality where software is written by AI and must be shipped at machine speed.
Tech stack
Connect with the team
Similar jobs
Job Summary:
As a Back-endĀ GolangĀ Developer, you will play a pivotal role in designing, developing, and maintaining our back-end infrastructure and applications. You will be responsible for crafting scalable, secure, and robust APIs and products that meet our high standards of performance and reliability. Your expertise inĀ GolangĀ and profound understanding of software engineering principles will be critical in building solutions that drive our company's success.
Responsibilities:
ā Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and contribute to technical discussions.
ā Design, develop, and implement high-qualityĀ Golang-based back-end systems and applications, ensuring scalability, performance, and maintainability.
ā Create and maintain APIs that enable seamless integration with various platforms and services.
ā Utilize best practices in software development, testing, version control, and deployment to ensure the delivery of top-notch products.
ā Optimize existing code and database queries to improve overall system performance and response times.
ā Conduct thorough code reviews and provide constructive feedback to team members to maintain code quality and consistency.
ā Implement security best practices inĀ GolangĀ development to safeguard sensitive data and prevent security vulnerabilities.
ā Proficiently use Goroutines and Channels to handle concurrent operations and enhance system efficiency.
ā Employ Go's built-in testing and benchmarking tools to ensure robustness and optimize performance.
ā Implement caching strategies and data storage solutions tailored to specific project requirements.
ā Develop RESTful APIs adhering to API design principles and standards.
ā Implement logging and monitoring systems to facilitate efficient debugging and monitoring of applications.
ā Integrate third-party libraries and APIs to enhance application functionality.
ā Leverage Go's interfaces and struct composition to build modular and extensible codebases.
ā StayĀ up-to-date with industry trends and advancements inĀ GolangĀ and related technologies, recommending suitable technologies and methodologies to enhance development processes.
ā Mentor junior developers, sharing your expertise and providing guidance to help them grow professionally.
Qualifications:
ā Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
ā Minimum of 5 years of professional experience in software development, with a focus on back-end development usingĀ Golang.
ā Proven track record of successfully delivering high-quality APIs and products in a production environment.
ā Strong knowledge ofĀ GolangĀ and its core libraries, with the ability to write clean, efficient, and maintainable code.
ā Experience with Go frameworks and proficiency in building RESTful APIs.
ā Extensive experience with various database systems, such as MySQL, PostgreSQL, Graph, or NoSQL databases, and proficiency in writing optimized queries.
ā Solid understanding of software architecture principles and design patterns, including microservices architecture.
ā Familiarity with cloud computing platforms, such as AWS, GCP, or Azure, and experience deploying applications in a cloud environment.
ā Experience with containerization technologies, like Docker and Kubernetes, is a plus.
ā Excellent problem-solving skills and the ability to work effectively in a fast-paced, collaborative team environment.
ā Strong communication skills, both written and verbal, and the ability to articulate technical concepts to non-technical stakeholders.
Join our dynamic team and help shape the future of our innovative products and APIs with your deep expertise and passion for back-end development inĀ Golang. We offer a competitive salary, a comprehensive benefits package, and a stimulating work environment where your skills and contributions will be highly valued. Apply now and be part of our exciting journey!
5 years in software development (Minimum 3 years)
Strong expertise in Ruby on Rails (3-5 years)
Knowledge of Python is a plus
hashtag
#Key hashtag
#Skills:
Proficiency in scalable app techniques: caching, APM, microservices architecture
Ability to write high-quality code independently
Experience mentoring junior engineers (0-2 years of experience)
What We Offer:
An opportunity to work with a dynamic team
A challenging environment where your skills will be put to the test
A chance to make a real impact by guiding and mentoring others
Ready to make your mark? If you're based out of or willing to relocate to Gurgaon and have the experience we're looking for, apply now!
Job Responsibilities:
Support, maintain, and enhance existing and new product functionality for trading software in a real-time, multi-threaded, multi-tier server architecture environment to create high and low level design for concurrent high throughput, low latency software architecture.
- Provide software development plans that meet future needs of clients and markets
- Evolve the new software platform and architecture by introducing new components and integrating them with existing ones
- Perform memory, cpu and resource management
- Analyze stack traces, memory profiles and production incident reports from traders and support teams
- Propose fixes, and enhancements to existing trading systems
- Adhere to release and sprint planning with the Quality Assurance Group and Project Management
- Work on a team building new solutions based on requirements and features
- Attend and participate in daily scrum meetings
Required Skills:
- Ā JavaScript and Python
- Multi-threaded browser and server applications
- Amazon Web Services (AWS)
- REST
- You will design and develop large scale distributed services.
- You will analyze and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership.
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight.
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
- You have 2+ years of experience in product software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python.
- You understand the business impact of your decisions.
At JFrog, weāre reinventing DevOps to help the worldās greatest companies innovate -- and we want you along for the ride. This is a special place with a unique combination of brilliance, spirit and just all-around great people. Here, if youāre willing to do more, your career can take off. And since software plays a central role in everyoneās lives, youāll be part of an important mission. Thousands of customers, including the majority of the Fortune 100, trust JFrog to manage, accelerate, and secure their software delivery from code to production -- a concept we call āliquid software.ā Wouldn't it be amazing if you could join us in our journey?
We are looking for an experienced, hands-on developer to join an innovative and talented R&D team, responsible for delivering fast and high quality code, using the latest frameworks and technologies.
As a Senior Software Engineer in JFrog you will...Ā
- Be responsible for all development aspects form design to production of a wide hybrid/ cloud naitive productĀ
- Write high quality, testable and efficient code in Java and Go
- Initiate and promote new ideas for continuous improvement of the product functionality
- Work closely with other team members as well as mentoring new team members
To be a Senior Software Engineer in JFrog you need...
- 5+ years of software development experience
- Proven deep knowledge of Java or Go
- Deep understanding of relational databases, concurrent programming and performance tuning
- Vast experience with large scale production environmentsĀ
- Experience with micro services architecture, multithreading
- Familiarity with Cloud infrastructure, Docker, Kubernetes & CI/CD
- Disciplined approach to testing and quality assurance
Ā









