Senior Backend Developer

Role & Responsibilities

Design, develop, and implement high-quality software solutions for payment processing.

Maintain a regular release cadence and manage the product backlog.

Ensure timely and lossless communication across teams.

Uphold engineering values and best practices.

Collaborate with international teams to ensure successful product development and delivery.

Ideal Candidate

A strong technical background in software engineering and architecture, with experience in modern programming language

Ability to work independently with very little direction, taking full ownership of projects.

Identifying blind spots, anticipate challenges, and prioritize work effectively

Exceptional communication and organizational skills.

A Bachelor's degree in Computer Science, Engineering, or equivalent experience.

8+ years of relevant experience preferred

Proficiency using Python, Kafka, Kubernetes, and AWS

Experience with Distributed Task Queues such as Celery and RabbitMQ is preferred.

Experience with RDBMS/SQL is also preferred.

Candidate must have 6+ years of backend engineering experience, with 1–2 years leading engineers or owning major systems.

Candidate must be from a product-based organization with a startup mindset.

Must be strong in one core backend language: Node.js, Go, Java, or Python.

Deep understanding of distributed systems, caching, high availability, and microservices architecture.

Hands-on experience with AWS/GCP, Docker, Kubernetes, and CI/CD pipelines.

Strong command over system design, data structures, performance tuning, and scalable architecture

Ability to partner with Product, Data, Infrastructure, and lead end-to-end backend roadmap execution.

We are looking for passionate people who love solving interesting and complex technology challenges, who are enthusiastic about building an industry first innovative product to solve new age real world problems. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence. As a Backend SDE-2, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization's goals and play a critical role in shaping the technology roadmap and engineering culture.

Key Responsibilities

• Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Understand broader organization goals and prepare technology roadmaps.
• Technical Excellence: Guide the team in designing and implementing scalable, extensible and secure software systems. Drive the adoption of best practices in technical architecture, coding standards, and software testing to ensure product delivery with highest speed AND quality.
• Project and Program Management: Setting up aggressive as well as realistic timelines with all the stakeholders, ensure the successful delivery of engineering projects as per the defined timelines with best quality standards ensuring budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
• Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
• Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• 1-3 years of experience in software engineering
• Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
• Proven track record of successfully delivering large-scale, high-impact software projects.
• Strong understanding of software design principles and patterns.
• Expertise in multiple programming languages and modern development frameworks.
• Experience with cloud infrastructure (AWS), microservices, and distributed systems.
• Experience with releational and non-relational databases.
• Experience with Redis, ElasticSearch.
• Experience in DevOps, CI/CD pipelines, and infrastructure automation.
• Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.

Skills:- MySQL, Python, Django, AWS, NoSQL, Kafka, Redis, ElasticSearch

Role: Python-Django Developer 

Location: Noida, India

Description:

• Develop web applications using Python and Django.
• Write clean and maintainable code following best practices and coding standards.
• Collaborate with other developers and stakeholders to design and implement new features.
• Participate in code reviews and maintain code quality.
• Troubleshoot and debug issues as they arise.
• Optimize applications for maximum speed and scalability.
• Stay up-to-date with emerging trends and technologies in web development.

Requirements:

• Bachelor's or Master's degree in Computer Science, Computer Engineering or a related field.
• 4+ years of experience in web development using Python and Django.
• Strong knowledge of object-oriented programming and design patterns.
• Experience with front-end technologies such as HTML, CSS, and JavaScript.
• Understanding of RESTful web services.
• Familiarity with database technologies such as PostgreSQL or MySQL.
• Experience with version control systems such as Git.
• Ability to work in a team environment and communicate effectively with team members.
• Strong problem-solving and analytical skills.

At LambdaTest, We help developers and testers fix their applications across a combination of 2000+ browsers and Operating Systems by providing a complete cross-browser ecosystem on the cloud. As Backend Developer You will work with other Developers throughout the Software Development Life Cycle.

You will join a dynamic and fast-paced environment and work with cross-functional teams to design, build and roll out product that deliver the company’s vision and strategy.

What’s the Opportunity?

• As a hands-on engineering professional, you'll stay on top of the details and will be more focused on building a better, more efficient program and creating the best user experience and 
• Support and collaborate with our service engineers in getting to the bottom of issues and come up with robust solutions.
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people.
• Design distributed systems using micro services architecture would be plus.
• Implementing high performance and non-blocking systems to serve traffic heavy SaaS based product.

Requirements and qualifications-

• Bachelor's degree in Computer Science or equivalent combination of technical education with 2-4 Years of work experience.
• Experience with one or more general purpose programming languages, including but not limited to:Python, Golang, NodeJs 
• A solid understanding of software construction
• The ability to naturally follow good development practices like test automation, CI/CD, source version control, etc.

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills

• You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

Skills & Experience

• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.

We are looking for Django Developers who will  work on a wide range of industries namely automobile, banking, education, fashion, etc.

Skills Required: 

• Professional and precise communication skills.
• Creating self-contained, reusable, testable modules and components..
• Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times.
• Thorough understanding of the responsibilities of the platform,  database, API, caching layer, proxies, and other web services used in the system.
• Validating user actions on the client side and providing responsive  feedback.
• Writing non-blocking code, and resorting to advanced techniques such as multithreading, when needed.
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around resources.
• Experience with building the infrastructure for serving the front-end app and assets.

Qualifications and Experience Requirements:

• 3+ years of experience in Backend Development
• Preferred skills - Python, MySql, PostgreSQL
• Proficiency with Python, Django framework, JavaScript, CSS and HTML5.
• Knowledge of AWS Cloud Services ( EC2, AWS Lambda,Elastic Beanstalk, API Gateway, S3 etc )
• Familiar with XAMPP, LAMP etc.