How to Apply for Sr. Full Stack Engineer in United States 2026: Eligibility, Last Date & Preparation Guide
xona-space is seeking a highly skilled Sr. Full Stack Engineer to join our growing engineering team in Burlingame, California. This role is pivotal in the full development lifecycle of our aerospace and space technology platforms. Key responsibilities include designing robust, scalable microservices using modern frameworks like React/Redux on the front end, and building secure, high-throughput APIs with Node.js or a similar backend language. You will be expected to work extensively with GraphQL for data aggregation and contribute significantly to CI/CD pipeline improvements. The ideal candidate possesses deep expertise in TypeScript, database design (SQL/NoSQL), and has experience deploying solutions in real-world operational environments. This position requires strong problem-solving skills and the ability to collaborate effectively across cross-functional engineering groups. This guide explains exactly how to apply for this xona-space post in United States, the important dates, the test pattern, and a preparation strategy to score well.
About this job
Sr. Full Stack Engineer is advertised by xona-space (Burlingame, California). This vacancy is based in United States. Before applying, read the official advertisement carefully and confirm the age limit, required degree, domicile, and experience, so that you apply only when you fully meet the eligibility.
How to apply step by step
First create an account on the official website of the relevant commission or department, then fill the application form exactly as written on your documents. Next, pay the prescribed fee through the bank challan or the online option, upload clear scans, and submit before the closing date. Keep the confirmation slip safe. The official apply link is available on the job details card below.
Important dates
Posted on: 17 January 2026. Always confirm dates from the official advertisement, because they can change. Do not wait for the last day, as submitting early is safer.
Test pattern and focus areas
The key topics for this recruitment test include Full Stack Development, React.js, Node.js, GraphQL, REST APIs, JavaScript/TypeScript. Most screening tests are MCQ based with a time limit, so understand the pattern and marks distribution first. Solving xona-space past papers is the most effective preparation.
Preparation and scoring tips
Practise timed MCQs daily, keep a short note of wrong answers, and revise them. Solve easy questions first, avoid blind guessing where negative marking applies, and take a full mock test before the exam. Use the practice links below to start now.
People Also Ask (FAQs)
What is the last date to apply for Sr. Full Stack Engineer?
The last date is given in the official advertisement; please confirm from the latest notification.
How should I prepare for the test?
Start with the syllabus and past papers, practise timed MCQs daily, and strengthen weak topics with revision. Free practice is available on PrepPro.
Is there negative marking in this test?
It varies by exam; always check the marking rules on the roll number slip and official instructions.