
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
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Strong Full stack/Backend engineer profile
Mandatory (Experience): Must have 2+ years of hands-on experience as a full stack developer (backend-heavy)
Mandatory (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures
Mandatory (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS
Mandatory (AI): Must have hands on experience with using AI tools (eg: Claude, Cursor, GitHub Copilot, Codeium, Deepdcode) for coding.
Mandatory (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis
Mandatory (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS
Mandatory (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring
Mandatory (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design
Mandatory (Company) : Product companies (Preferably Top product companies, AI native companies, B2B SaaS)
Mandatory (Stability): Must have atleast 2 years of experience in each of the previous companies (if less exp, then proper reason)
Mandatory (Note): Candidates who have owned end-to-end product development or worked on app development projects during their graduation will be highly preferred.
Mandatory (Note 2): The role offers a mix of work setups, including remote, Mumbai (in-office), and Bangalore (in-office) opportunities
Intern (GenAI - Python) - 3 Months Unpaid Internship
Job Title: GenAI Intern (Python) - 3 Months Internship (Unpaid)
Location: Ahmedabad (On-Site)
Duration: 3 Months
Stipend: Unpaid Internship
Company: Softcolon Technologies
About the Internship:
Softcolon Technologies is seeking a dedicated GenAI Intern who is eager to delve into real-world AI applications. This internship provides hands-on experience in Generative AI development, focusing on RAG systems and AI Agents. It is an ideal opportunity for individuals looking to enhance their skills in Python-based AI development through practical project involvement.
Eligibility:
- Freshers or currently pursuing BE (IT/CE) or related field
- Strong interest in Generative AI and real-world AI product development
Required Skills (Must Have):
- Basic knowledge of Python
- Basic understanding of Python frameworks like FastAPI and basic Django
- Familiarity with APIs and JSON
- Submission of resume, GitHub Profile/Project Portfolio, and any AI/Python project links
What You Will Learn (Internship Goals):
You will gain hands-on experience in:
- Fundamentals of Generative AI (GenAI)
- Building RAG (Retrieval-Augmented Generation) applications
- Working with Vector Databases and embeddings
- Creating AI Agents using Python
- Integrating LLMs such as OpenAI (GPT models), Claude, Gemini
- Prompt Engineering + AI workflow automation
- Building production-ready APIs using FastAPI
Responsibilities:
- Assist in developing GenAI-based applications using Python
- Support RAG pipeline implementation (embedding + search + response)
- Work on API integrations with OpenAI/Claude/Gemini
- Assist in building backend services using FastAPI
- Maintain project documentation and GitHub updates
- Collaborate with team members for tasks and daily progress updates
Selection Process:
- Resume + GitHub portfolio screening
- Short technical discussion (Python + basics of APIs)
- Final selection by the team
Why Join Us?
- Practical experience in GenAI through real projects
- Mentorship from experienced developers
- Opportunity to work on portfolio-level projects
- Certificate + recommendation (based on performance)
- Potential for a paid role post-internship (based on performance)
How to Apply:
Share your resume and GitHub portfolio link via:
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
About the Job
As aĀ Cloud Backend EngineerĀ you will design, develop, and maintain scalable and reliable backend systems in cloud environments. You will be responsible for building cloud-native applications, optimizing backend performance, and ensuring seamless integration with frontend services and third-party systems.
What Youāll Be Doing
- Backend Development
- Design and implement scalable and high-performance backend services and APIs for cloud-based applications.
- Develop microservices architectures and serverless functions to support business needs.
- Ensure backend systems are secure, reliable, and performant, adhering to best practices and industry standards.
- Cloud Infrastructure and Deployment
- Build and manage cloud infrastructure using platforms such as AWS, Google Cloud Platform (GCP), or Azure.
- Deploy and maintain backend services using cloud-native technologies (e.g., Kubernetes, Docker, AWS Lambda, Google Cloud Functions).
- Implement and manage CI/CD pipelines to automate deployment processes and ensure smooth delivery of updates.
- Performance Optimization
- Monitor and optimize the performance of backend services, including database queries, API responses, and system throughput.
- Implement caching strategies, load balancing, and other performance-enhancing techniques to ensure scalability and responsiveness.
- Troubleshoot and resolve performance issues and system bottlenecks.
- Database Management
- Design and manage relational and NoSQL databases, ensuring data integrity, scalability, and performance.
- Implement data access patterns and optimize queries for efficient data retrieval and storage.
- Ensure backup, recovery, and data security practices are in place.
- Integration and Collaboration
- Collaborate with frontend developers, DevOps engineers, and other stakeholders to integrate backend services with frontend applications and third-party systems.
- Participate in architectural discussions and provide input on system design and technology choices.
- Ensure clear communication and documentation of backend services, APIs, and system interactions.
- Security and Compliance
- Implement security best practices to protect backend services from threats and vulnerabilities.
- Ensure compliance with relevant regulations and standards, including data privacy and protection requirements.
- Conduct regular security assessments and vulnerability scans to maintain system integrity.
- Testing and Quality Assurance
- Develop and maintain automated tests for backend services, including unit tests, integration tests, and end-to-end tests.
- Perform code reviews and participate in quality assurance processes to ensure high code quality and reliability.
- Monitor and address issues identified during testing and production deployments.
- Documentation and Knowledge Sharing
- Document backend services, APIs, and infrastructure setups to facilitate knowledge sharing and support.
- Create and maintain technical documentation, including architecture diagrams, API specifications, and deployment guides.
- Share knowledge and best practices with team members and contribute to a collaborative development environment.
What We Need To See
- Strong experience in backend development, cloud technologies, and distributed systems, with a focus on building robust, high-performance solutions.
- Minimum 5 years of experience in backend development, with a strong focus on cloud-based applications.
- Proven experience with cloud platforms (AWS, GCP, Azure) and cloud-native technologies.
- Experience in designing and implementing RESTful APIs, microservices, and serverless architectures.
- Technical ExpertiseĀ in:
1. Backend Development
- Strong experience with backend programming languages such as Node.js, Python
- Expertise in working with frameworks such as NestJS, Express.js, or Django.
2. Microservices Architecture
- Experience designing and implementing microservices architectures.
- Knowledge of service discovery, API gateways, and distributed tracing.
3. API Development
- Proficiency in designing, building, and maintaining RESTful and GraphQL APIs.
- Experience with API security, rate limiting, and authentication mechanisms (e.g., JWT, OAuth).
4. Database Management
- Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB).
- Experience in database schema design, optimization, and management.Ā
5. Cloud Services
- Hands-on experience with cloud platforms such as Azure,AWS or Google Cloud.
6. Performance Optimization
- Experience with performance tuning and optimization of backend services.
7. Security
- Understanding of security best practices and experience implementing secure coding practices.
- Soft Skills:
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
- Ability to manage multiple priorities and work in a fast-paced, dynamic environment.
- 5 years experience with the Django framework
- Experience with building APIs (REST or GraphQL)Ā
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonusĀ
- Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
Experience:
- Min 5 year experience
- Startup experience is a must.Ā
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone.Ā Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods.Ā You will stay here because you love the company.Ā We have only a 15 days notice period.
quality delivery
ā Estimate engineering effort during multiple stages of the product life cycle
ā Coach engineering teams in accomplishing architecture, design and implementation
goals Focus on details of software development, design, implementation and
debugging
ā Have high technical competence, strong technical background with track record of
individual technical accomplishments
ā Ability to play the role of the architect for the team
ā Strong sense of ownership/ can do attitude and high attention to detail
ā Work with designers, business analysts, and product managers to estimate and
plan projects in an Agile environment
Skills & Experience:
ā Hands-on experience in developing, designing & scaling complex
systems Backend: Primarily Node.js and Python
ā Databases: Elastic search, DynamoDB, MongoDB, MySQL and Redis
(cache) Web: React, Vue
ā Strong Experience in REST API based Microservices development & integration that
includes long running orchestration services
ā Preferred AWS Services experience across - S3, DynamoDB, EC2, AWS Lambda, ECS,
ElasticSearch Service, Route 53, API Gateway, CloudFront, CloudFormation, etc.
ā Experience with continuous integration and deployment automation tools such as
Jenkins, Salt, Puppet, Chef, Ansible, Travis CI etc
ā Experience with gRPC protocol and graphQL frameworks
ā The ideal candidate should be willing to commit fully to the company and drive the
company forward
Your Responsibilities would be to:
- Architect new and optimize existing software codebases and systems used to crawl, launch, run, and monitor the Anakin family of app crawlers
- Deeply own the lifecycle of software, including rolling out to operations, managing configurations, maintaining and upgrading, and supporting end-users
- Configure and optimize the automated testing and deployment systems used to maintain over 1000+ crawlers across the company
- Analyze data and bugs that require in-depth investigations
- Interface directly with external customers including managing relationships and steering requirements
Basic Qualifications:
- Extremely effective, self-driven builder
- 2+ years of experience as a backend software engineer
- 2+ years of experience with Python
- 2+ years of experience with AWS services such as EC2, S3, Lambda, etc.
- Should have managed a team of software engineers
- Deep experience with network debugging across all OSI layers (Wireshark)
- Knowledge of networks or/and cybersecurity
Preferred Skills and Experience
- Broad understanding of the landscape of software engineering design patterns and principles
- Ability to work quickly and accurately in a highly stressful environment during removing bugs in run-time within minutes
- Excellent communicator, both written and verbal
Additional Requirements
- Must be available to work extended hours and weekends when needed to meet critical deadlines
- Must have an aversion to politics and BS. Should let his/her work speak for him/her.
- Must be comfortable with uncertainty. In almost all the cases, your job will be toĀ figure it out.
- Must not be bounded to comfort zone. Often, you will need to challenge yourself to go above and beyond.
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
- As a polyglot developer Ideally, you should have:
- 1.5+ years of development experience using any of technology java, scala, python or any similar exciting technologies.
- Hands-on experience in coding, and implementation of complex, custom-built applications Working knowledge of build tool like maven/sbt and code versioning systems like git/bitbucket/cvs/svn
- Familiarity with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL etc Great OO skills, including strong design patterns knowledge
- Good communication and ability to work in a consulting environment is essential
- Think through hard problems in a consultancy environment, and work with amazing people to make the solutions a reality Work in a dynamic, collaborative, non-hierarchical environment where your talent is valued over your job title or years of experience
- Build custom software using the latest technologies and tools Craft your own career path
- Providing solution to real problems in Bigdata world.
- RnD on using the latest tools,techniques and cloud services.
- Automating the manual-timetaking tasks.
- Hands-on coding, usually in a pair programming environment.
- Working in highly collaborative teams and building quality code
- Working in lots of different domains and client environments
- Understanding the business domain deeply
We are a team of technology agnostic, passionate people who aim to provide solution to real world Bigdata problems.
We are building solutions that will help our customers to do automatic migration of their RDBMS systems to latest BIGDATA platforms and tools such as Spark, Apex, Flink etc. For more information do visit our products webpage.Ā Ā













