
Fullstack Engineer - Y Combinator Travel / Airline SaaS
at Y Combinator Travel / Airline SaaS




NetSysCon is looking for a Full Stack Engineer for a travel/airline SaaS start-up. They have partnered with major airlines and entertainment brands such as Disney Theatrical Group, Qantas, Iberia, Alaska, Malaysia Airlines, Vistara, IndiGo, Volaris, and others. Their platform offers innovative tools to drive revenue, operational efficiency, and digital shopping conversion.
Job Profile
Work on all elements of the stack from data modeling and back end API's to UI implementation.
Working with airlines on integrations deep within their systems (in person, if you like!).
Assisting with key architecture, platform and infrastructure design.
Ensuring the system runs and scales smoothly, with high availability and resilience to failure.
What we use:
Python, Django, Celery
React, TypeScript
Scikit-learn, PyTorch, Tensorflow
Postgres, Redis
Kubernetes, Docker, AWS, Terraform, CDK, Github Actions
Our client is a tech company first so engineering is the largest, most important department. They care about developer ergonomics and believe investing time and effort in getting software and platform right is not-negotiable. They have:
A comprehensive automated unit test suite (frontend + backend);
Fully automated CI/CD (git push is all you need);
Fully containerized / reproducable dev environment (single-command bootstrap);
Redundant, self-healing, auto-scaling infrastructure;
Requirements
Full-stack engineering experience in at least one of the following languages/frameworks - Backend: Python/Django (preferred), Ruby/Rails, Node;
Frontend: React (preferred), Angular, Vue.
Evidence of exposure to architectural patterns of large, complex web applications (eg, well-designed APIs, asynchronous data pipelines/message queues, distributed systems).
Engineers who have experience with software best practices such as unit testing, reusable components, traceability.

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Skillset: Aem+node
Experience: 3 to 9 Years
Location: Bangalore , Hyderabad , Pune , Chennai
Notice Period: Immediate to 15 Days
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About HighLevel:
HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. With a focus on streamlining marketing efforts and providing comprehensive solutions, HighLevel helps businesses of all sizes achieve their marketing goals. We currently have ~1200 employees across 15 countries, working remotely as well as in our headquarters, which is located in Dallas, Texas. Our goal as an employer is to maintain a strong company culture, foster creativity and collaboration, and encourage a healthy work-life balance for our employees wherever they call home.
Our Website - https://www.gohighlevel.com/
YouTube Channel -https://www.youtube.com/channel/UCXFiV4qDX5ipE-DQcsm1j4g
Blog Post - https://blog.gohighlevel.com/general-atlantic-joins-highlevel/
Responsibilities:
- REST APIs - Understanding REST philosophy. Writing secure, reusable, testable, and efficient APIs.
- Database - Designing collection schemas, and writing efficient queries
- Frontend - Developing user-facing features and integration with REST APIs
- UI/UX - Being consistent with the design principles and reusing components wherever possible
- Communication - With other team members, the product team, and the support team
Requirements:
- Expertise with large-scale Conversation Agents along with Response Evaluations
- Good hands-on experience with Node.js and Vue.js (or React/Angular)
- Experience of working with production-grade applications with a decent usage
- Bachelor's degree or equivalent experience in Engineering or related field of study
- 3+ years of engineering experience
- Expertise with MongoDB
- Proficient understanding of code versioning tools, such as Git
- Strong communication and problem-solving skills
Team-Specific Focus Areas:
Conversations AI:
-Develop AI solutions for appointment booking, forms filling, sales, and intent recognition
-Ensure seamless integration and interaction with users through natural language processing and understanding
Workflows AI:
-Create and optimize AI-powered workflows to automate and streamline business processes
Voice AI:
-Focus on VOIP technology with an emphasis on low latency and high-quality voice interactions
-Fine-tune voice models for clarity, accuracy, and naturalness in various applications
Support AI:
-Integrate AI solutions with FreshDesk and ClickUp to enhance customer support and ticketing systems
-Develop tools for automated response generation, issue resolution, and workflow management
Platform AI:
-Oversee AI training, billing, content generation, funnels, image processing, and model evaluations
-Ensure scalable and efficient AI models that meet diverse platform needs and user demands
EEO Statement:
The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.


About Us:
WLBS is a growing web development company made up of passionate developers and designers focused on building high-quality digital solutions. We are looking for a motivated Junior Full Stack Developer with a strong foundation in front-end technologies, especially React, who is eager to learn and grow. While experience in WordPress and PHP is a bonus, we're primarily seeking someone who can adapt quickly and contribute to our projects.
Company Website: https://www.wlbs.dev/
LinkedIn: https://in.linkedin.com/company/winning-link-business-solutions
Job Description:
We are seeking a Junior Full Stack Developer to join our team. The ideal candidate has a good grasp of front-end technologies, particularly React, and is eager to expand their skills across the full stack. You’ll work alongside experienced developers, contributing to exciting web development projects while gaining experience in both front-end and back-end technologies. Knowledge of WordPress and PHP is appreciated but not essential.
Responsibilities:
- Assist in the development and maintenance of web applications using React and other relevant technologies.
- Collaborate with senior developers to ensure high-quality, scalable, and efficient solutions.
- Write clean, maintainable, and well-documented code.
- Contribute to creating dynamic and responsive user interfaces using Next.js.
- Learn and adapt to new tools, technologies, and frameworks in a fast-paced environment.
- Support in troubleshooting and debugging software issues.
- Participate in code reviews, technical discussions, and continuous improvements of the development process.
- Maintain version control and follow collaborative development practices using Git.
Qualifications:
- 6 months to 1 year of professional experience or internships in software development, focusing on Next.js.
- Solid understanding of front-end technologies (HTML, CSS, JavaScript).
- Familiarity with React and state management libraries such as Redux.
- Basic understanding of back-end development and databases (e.g., Node.js, Python, SQL).
- Ability to learn and adapt quickly to new technologies and frameworks.
- Familiarity with version control systems (e.g., Git) and collaboration tools.
- Basic knowledge of RESTful API development.
- Understanding of modern software engineering principles, including responsive design and cross-browser compatibility.
- Good communication and teamwork skills, with the ability to take direction and collaborate effectively.
- Bachelor’s degree in Computer Science, Software Engineering, or related fields.
- Experience with WordPress and PHP development is a plus, but not required.


- BTech, BE, BS degree in Computer Science, a similar technical field of study, or equivalent practical experience.
- 6+ years experience in web and software development.
- 3+ years of experience with the microservices architecture.
- At least 1 year of experience in leading a team.
- Demonstrated experience in Node, Mongo, Python2/3, Express, ReactJS.
- Experience with testing frameworks like Mocha, Jest, Jasmine etc.
- Experience with asynchronous messaging using RabbitMQ/Apache Kafka.
- Ability to work independently and multi-task effectively.
- Flexible and willing to accept a change in priorities as necessary.
- Strong attention to detail.
Design and build applications, bug fixing and improving application performance.
- Delegate tasks and achieve daily, weekly, and monthly goals.
- Enforce processes to improve productivity of the team.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Work on continuously discovering, evaluating, and implementing new technologies to maximize
development efficiency.



Key Tasks & Accountability:
- Collaborate with development teams and product managers to create innovative software solutions.
- Able to develop entire architecture, responsive design, user interaction, and user experience.
- The ability to use databases, proxies, APIs, version control systems, and third-party applications.
- Keep track of new development-related tools, frameworks, methods, and architectures.
- The developer is in charge of creating APIs depending on the architecture of the production application.
- Keeping up with the latest advancements in programming languages and server apps.
Skills:
- Comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries.
- Knowledge of React, Redux and API Integration.
- Experience with backend technology like NodeJs, Microservices, MVC Framework and Data Base connection.
- Knowledge on SQL/NoSQL such as MySql, mongoDB.
- Knowledge of cloud such as AWS.
- Team player with a knack for visual design and utility.


We are looking for a Senior Developer who has experience in developing complex end-to-end solutions.
● Take responsibility for developing product features
● Engage with Product Management and Business to drive the agenda, set your priorities and deliver awesome product features to keep the platform ahead of market scenarios.
● Design and develop using Node.js/Feather.js, React, AWS ML stack
● Develop and utilize your skills as a mentor and leader. Grow your team’s capacity by mentoring other engineers and interviewing candidates.
Sounds like you?
● Experience: 4+ years of industry experience in a software engineering role, preferably building a SaaS product. You can demonstrate the significant impact that your work has had on the product and/or the team.
● Technically strong: Deep knowledge of a high-level programming language (for example, Javascript, JAVA, Python, etc.) but it doesn’t need to be a language that we use here! Great people are effective and learn what we use quickly (or introduce us to better ways of working)
● Product focused: You take pride in building an elegant and beautiful product
● Problem solver: You excel at understanding and solving complex problems. You have astonishing attention to detail.
● Quality communicator: You can confidently break down tricky topics in writing and in person.
● Surprisingly efficient: You get a lot done quickly, and can translate your skills into new processes that your team will follow.
● Leadership: You’re ready to rapidly grow into a company leader. You will build company culture and help shape our future.
● Motivation and drive: You volunteer for new challenges without waiting to be asked.


You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software development from the initial specification, through to developing, testing and launching.
- Strong knowledge of PHP, MySQL, JavaScript, jQuery, AJAX, HTML5, CSS3.
- Write clean , well-designed code
- Produce detailed specifications
- Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
- Contribute in all phases of the development lifecycle
- Follow industry best practices
- Develop and deploy new features to facilitate related procedures and tools if necessary
- Proven software development experience in PHP
- Demonstrable knowledge of web technologies including HTML, CSS, JavaScript, AJAX
- Good knowledge of relational databases, version control tools and of developing RESTful web services
Responsibilities:
Able to understand and execute the project requirements efficiently.
Write clean, well designed code.
Test and maintain the code and databases to ensure strong optimization and functionality.
Contribute in all the phases of the project development lifecycle.

Full Stack Developers at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.
Seenit’s suite of products enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping.
We would welcome someone to the team who:
- Loves to write “clean”, well designed code to solve complex problems
- Can design, develop and test the core product software and databases to ensure strong optimization and functionality
- Is inclined to contribute in all phases of the development lifecycle and takes end to end ownership of the project
- Follows best industry practices
- Is excited to support others to succeed and shine in a collaborative team culture
Your application will require you to have:
- 4+ years experience building backend services for production web applications
- Experience in working with AGILE methodology
- Experience deploying softwares to cloud providers such as GCP, AWS
- Good knowledge of NoSQL databases, and query optimisations
- Experience with MongoDB, Express JS, React JS, Node JS, TypeScript
- Experience with caching implementation using Redis
- Experience with Elastic Search will be an added advantage.
- Previous exposure to leading a team of 3 or more full stack developers will be an added advantage
- MongoDB for database(NoSQL)
- React JS for web front end(TypeScript)
- Express JS and Node JS for web servers
- AWS is our cloud provider
- Redis for caching
You should work with us because:
- We’re a relaxed diverse group and don’t take ourselves too seriously
- We're creative and want to change the world while we're at it (yes we do!)
- Our products have an international audience and our partners are around the globe
- Team lunches are more frequent than team meetings
- We love to travel and will ask you to take time off to refresh


The Software Engineer – Order and Corporate Solutions is responsible for designing, developing, testing, and maintaining the full stack for Order and Corporate solutions.
Essential Job Functions:
- Implement application components and systems according to department standards and guidelines.
- Work with product and designers to translate requirements into accurate representations for the web.
- Analyze, design, code, debug, and test business applications.
- Code reviews in accordance with team processes/standards.
- Understand and work with data in varying degrees of complexity and scale.
- Responsible for planning, processing and performing all jobs in an efficient manner.
- Provide assistance to testers and support personnel as needed to determine system problems.
- Resolve problems involved with integrating new technologies with systems.
* Essential functions are the basic job duties that an employee must be able to perform, with or without reasonable accommodation. The function is considered essential if the reason the position exists is to perform that function.
Supportive Job Functions:
- Remain knowledgeable of new emerging technologies and their impact on internal systems.
- Available to work on call when needed.
- Perform other miscellaneous duties as assigned by management.
*These tasks do not meet the Americans with Disabilities Act definition of essential job functions and usually equal 5% or less of time spent. However, these tasks still constitute important performance aspects of the job.
Knowledge, Skill, and Abilities:
- Experience using C#, JavaScript, and Angular or React.(Must Have)
- Experience with web services and RESTful APIs. (Must Have)
- Experience with ASP.NET, ASP.NET MVC, and ADO.NET. (Must Have)
- Experience with Sql databases. (Must Have)
- Experience with Java, Bootstrap, and Event Queueing.
- Experience with order entry, billing, and accounting.
- Familiarity with modern CI/CD methods.
- Exposure to Python, Django, and AWS.
- Ability to organize, prioritize, and handle multiple assignments on a daily basis.
- Strong and effective inter-personal and communication skills
- Ability to interact professionally with a diverse group of clients and staff.
- Must be able to work flexible hours on-site and remote.
- Must be able to coordinate with other staff and provide technological leadership.
- Ability to work in a complex, dynamic team environment with minimal supervision.
- Must possess good organizational skills.
Education, Experience, and Certification:
- Associate’s or bachelor’s degree preferred (Computer Science, Engineer, etc.), but equivalent work experience in a technology related area may substitute.
- 5+ years relevant experience, required. *
- Experience using version control daily in a developer environment.
- Experience with C#, JavaScript, and Angular or React is required.
- Experience with ASP.NET, ASP.NET MVC, and ADO.NET is required.
- Experience working with MS-SQL database.
- Experience working with Java, Bootstrap, and Event Queueing.
- Experience with order entry, billing, and accounting.
- Exposure to Python, Django, and AWS.


