LambdaTest is a cloud-based testing platform aimed at bringing the whole testing ecosystem to cloud. LambdaTest provides access to a powerful cloud network of 2000+ real browsers and operating system that helps testers in cross-browser and crossplatform compatibility testing. The product roadmap is evolving and there are many more functionalities and features which will be added to the product. The company is backed by the Tier 1 VC funds and entrepreneurs of the industry. We are growing at a fantastic rate. This is an incredible opportunity for someone talented and ambitious to make a huge impact.
Role
- Develop & maintain shared APIs, libraries and frameworks
- Improve the performance and reliability of our services including databases, CI/CD pipeline, web services, and other integrations
- Monitor and scale our cloud infrastructure
- Collaborate with other teams on security, automation, and internal tools
- Evaluate and develop new tools and technologies that can help achieve company-level goals
Required Candidate profile
- 4 - 8 years of experience in Development.
- Should have good knowledge of backend Technologies like Python, Nodejs, Golang.
- Should have worked with Databases like Mysql, monogdb etc.
- Should have working experience in cloud environment.
- Engineering degree in computer science, engineering or related discipline from good institutes

About LambdaTest
About
Perform manual or automated cross browser testing on 2000+ browsers online. Deploy and scale faster with the most powerful cross browser testing tool online.
Tech stack
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Responsibilities:
● Design and build scalable APIs and microservices in Node.js (or equivalent backend frameworks).
● Develop and optimize high-performance systems handling large-scale data and concurrent users.
● Ensure system security, reliability, and fault tolerance.
● Collaborate closely with product managers, designers, and frontend engineers for seamless delivery.
● Write clean, maintainable, and well-documented code with a focus on best practices.
● Contribute to architectural decisions, technology choices, and overall system design.
● Monitor, debug, and continuously improve backend performance.
● Stay updated with modern backend technologies and bring innovation into the product.
Desired Qualifications & Skillset:
● 2+ years of professional backend development experience.
● Proficiency with Node.js, Express.js, or similar frameworks.
● Strong knowledge of web application architecture, databases (SQL/NoSQL), and caching strategies.
● Experience with cloud platforms (AWS/GCP/Azure), CI/CD pipelines, and containerization (Docker/Kubernetes) is a plus.
● Ability to break down complex problems into scalable solutions.
● Strong logical aptitude, quick learning ability, and a proactive mindset
- Clarify feature requirements with the product team
- Design end to end feature flow
- Write scalable and bug-free code
- Take care of test and deployment pipeline
- Maintaining the existing products
- Experience in designing scalable micro-services required
- Sound knowledge of Python and Django, familiarity with Linux and git
- Deep understanding of how RESTful APIs work
- Familiarity with HTML / CSS and templating systems, Redis, RabbitMQ, NGINX preferred
-Bonus - Preliminary knowledge of any one of these languages - Golang / JavaScript / Lua Responsibilities
- Building scalable, reliable, high-performing platforms
- Managing project priorities, deadlines, and deliverables
- Participating in the entire lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines
- Maintaining a high service levels in terms of security, performance, availability, and quality
- Establishing and implementing good development practices to create a top-class, results oriented engineering culture.
Requirements :
- 7 years - 10 years of solid hands on experience in J2EE & related technologies.
- Ability to think in terms of APIs all the time
- Hands on experience in object-oriented designs and principles.
- Hands on experience in data structures, algorithms & design patterns
- Hands on experience in server side, web architecture
- Working knowledge in Spring Framework
- Knowledge in data modeling and hands on experience with at least one RDBMS, MySQL is preferred.
- Knowledge on any of the scripting languages is desirable as you may need to write scripts Javascript, HTML or any front-end frameworks experience is desirable
- Understanding on NoSQL databases.
- You can extrapolate requirements from customers and product management and distinguish between what they need vs. what they want?
- You are always on the lookout for adding configurability and extensibility to your design.
- You cannot agree with not having ability to automatically test software.
- Usability of the solution keeps you awake at nights
Include One Will Have To Implement, Develop, According To Corporate Coding Standards. Responsible For The Quality Of Code And Applications. Coordinate With Other Team Members To Ensure That All Repositories Are In Sync. Upload Documents In Appropriate Folders At Proper Locations. Required To Attend The Morning/Client/Conference Calls. Regularly Update Your Skills. Provide Recommendations For Continuous Improvement. SKILLS Must Have Experience With The Latest Angular Framework 2/4/6/7/8/9 Must Have Strong TypeScript And JavaScript Knowledge Should Be Comfortable With RxJS And Angular CLI Should Have A Solid Understanding Of CSS3 And HTML5 Must Have Automated Testing (Unit/Integration/Etc.) (Karma Jasmine, Etc.) Should Have Knowledge NGRX Or Redux Cross-Browser Compatibility And Have High Performance Across The Board Coordinating The Workflow Between The Graphic Designer And HTML Working Knowledge Of NodeJS
Requirement:
- Min 2-3 Year Experience. Preferably in the E-commerce domain.
- Proficient with both MySQL and NoSql Databases (Elastic, Mongo)
- Strong hold on PHP and preferably good knowledge of Python
- Experience with JavaScript/JQuery
- Ability to do software design for a enterprise web application
- Working knowledge of a MVC front-end framework
- Proficient in HTTP protocol, REST APIs, JSON
- Ability to do database design and modeling
- Proficient in OOPS concepts and writing code using classes
- Ability to write modular and clean code
Role:
- Software Development of various product line
- Creation web-services and optimization for existing and new feature rollouts
- Collaborate with Product Managers and design solutions
- Develop very high sense of ownership, the zeal to build scalable applications
- Build customer facing technology product
- Individual Contributor
The Role:
We are looking for an enthusiastic Senior Python Developer, who adopts a hands-on approach and loves to build scalable, distributed and large web / mobile products. You would be responsible for designing the architecture, reviewing the code, building the technology and deploying web/mobile applications.
Responsibilities:
- Own the product development from scratch.
- Design and implementation of low-latency, high-availability, and performant applications.
- Contribute to discussion on software architecture while mentoring a team of developers.
- Participate in code reviews, design reviews, SCRUM ceremonies, and troubleshoot to ensure uptime for live systems etc.
Requirements:
- Bachelor's degree in a technology-related field from a premier college.
- Prior 3+ years of experience in back-end development (Python/ Golang) in a start-up or a dynamic work environment.
- Good exposure in writing and optimizing SQL for high-performance systems.
- Understanding of asyncio and eventloop/ uvloop concepts. Knowledge of frameworks such as Quart/ Fastapi/ Starlette is preferred.
- Knowledge of AWS; Caching technologies like Redis, Memcache; ELK; mySQL Databases, etc.
- Strong understanding of System Design, Microservice Architecture, Kafka, Pub/Sub, Message queues, and in-memory data stores etc.
- Customer oriented, responsive to changes, and able to multi-task in a fast-paced environment.
About Wise
Wise is digital infrastructure for online education. Oversimplified as ‘Shopify for Tutors’ i.e., an easy to use tool for tutors to start teaching online. We have grown to 2mn users in 12 months and have much to do. We are backed by an incredible set of investors and individuals who have built product you already use. We have a small but rockstar team, cheap equity, smart money, opportunity to capture a huge market ($60bn) and a chance to make an impact while doing so.
What we need
We need you, if you are a senior software engineer with 4+ years of experience in building robust scalable systems. Work would involve building things quickly and adapting based on market feedback while ensuring the security and quality of the codebase. If you love coding and building things excites you, we would like to talk to you.
What you will need (Skills)
- Experience building microservices and distributed systems, RESTful APIs, user interfaces
- Knowledge and will of writing unit, integration tests is a must. TDD is a plus
- Preferably a polyglot: Strong command Ruby/Golang/Java/Python
- Some exposure to infra: Deployments, CI/CD setup, security. AWS exposure is good to have
- Strong database concepts. Experience with MongoDB is a plus
What you will do
- Feature analysis, hands on development, code reviews, deployment & rollouts
- Passionately maintain coding practices, quality & good design standards
- Design and develop highly scalable, available, secure and fault tolerant systems
- Actively contribute in assessing & improving/optimizing security & infrastructure
Great to have
- Sense of ownership
- Developers who can talk product and strategy
- Experience in building scalable consumer products
- Strong opinions, loosely held
Good to have
- Interest in mentorship
- Good written communication skills
- Bangalore love
Probably not ideal if
- If you have always been right about stuff in life
- No flexibility around working hours (this doesn’t mean we work long hours but if our systems get attacked in the middle of the night, we would need you to HODORR!)
Definitely get in touch if you
- Would have started the exact same company but willing to build it together with a great team
- Find our current product unbearably slow or inadequate
- Think this company isn’t going to work as it is right now






