Senior Full Stack Developer

Please login or register as jobseeker to apply for this job.

TYPE OF WORK

Gig

WAGE / SALARY

8.5

HOURS PER WEEK

40

DATE UPDATED

Jun 2, 2026

JOB OVERVIEW

LIONESS AI TECHNOLOGIES
Senior Full Stack Developer

Lioness AI Technologies is seeking a Senior Full Stack Developer to assist in building and scaling various AI-powered SaaS platforms and automation systems.

This position will report directly to our Lead Developer and work closely with our operations and development teams.

We are looking for someone who:

* thrives in fast-moving startup environments
* can problem-solve independently
* understands modern AI workflows
* can build scalable systems from the ground up
* is highly organized, proactive, and detail-oriented
* enjoys innovation and emerging technologies

Responsibilities:

* Develop and maintain full stack web applications
* Build scalable frontend and backend systems
* Integrate APIs, AI tools, and automation workflows
* Collaborate with the Lead Developer on platform architecture
* Troubleshoot, optimize, and improve application performance
* Assist in creating internal tools, dashboards, and SaaS products
* Help implement AI-assisted workflows and integrations

Required Skills:

* React.js
* Next.js
* JavaScript / TypeScript
* Node.js
* API integrations
* Database management
* Experience with Claude AI and modern AI workflows
* Strong understanding of scalable SaaS architecture
* Ability to work independently with minimal supervision

Preferred Skills:

* Firebase, Supabase, PostgreSQL, or similar platforms
* AI agent or automation experience
* Startup experience
* DevOps familiarity
* Prompt engineering
* UI/UX understanding
* Git/GitHub workflows

To Apply:
Please send:

1. Your resume
2. Portfolio or GitHub profile
3. A 1-minute video introducing yourself and explaining why you would be a good fit for Lioness AI Technologies

Send applications to:
----------

Subject Line:
Senior Full Stack Developer Application – [Your Name]

SKILL REQUIREMENT
VIEW OTHER JOB POSTS FROM:
SHARE THIS POST
facebook linkedin
  BENCHMARKS  
Loading Time: Base Classes  0.0007
Controller Execution Time ( Jobseekers / Job )  0.0273
Total Execution Time  0.0286
  GET DATA  
No GET data exists
  MEMORY USAGE  
1,496,504 bytes
  POST DATA  
No POST data exists
  URI STRING  
jobseekers/job/Senior-Full-Stack-Developer-1660188
  CLASS/METHOD  
jobseekers/job
  DATABASE:  onlinejobs (Jobseekers:$db)   QUERIES: 13 (0.0207 seconds)  (Hide)
0.0004   SELECT *
                                
FROM exrates
                                WHERE rate_name 
'USD-PHP' 
0.0003   SELECT *
FROM `employer_jobs`
WHERE `job_id` = 1660188
 LIMIT 1 
0.0004   SELECT *
FROM `employers`
WHERE `employer_id` = 940971
 LIMIT 1 
0.0158   SELECT COUNT(DISTINCT t.id) as cnt
FROM 
`t_thread` `t`
INNER JOIN `t_message` `mON `t`.`id` = `m`.`thread_id`
INNER JOIN `t_message_employer` `eON `m`.`id` = `e`.`message_id`
LEFT JOIN `t_thread_misc` `miscON `t`.`id` = `misc`.`thread_id`
WHERE `t`.`job_id` = 1660188
AND `misc`.`idIS NULL 
0.0005   SELECT e.business_namee.logoe.websitee.rebill_datee.date_added member_datehitsDATEDIFF('2026-06-20',ej.date_added) duration_daysDATEDIFF('2026-06-20',e.rebill_date) duration_rebillej.*, e.deactivate FROM employers eemployer_jobs ej WHERE e.employer_id ej.employer_id AND
                                   ((
e.user_level >= '500' AND ej.date_added <= e.rebill_date)
                                   OR 
e.employer_id '' OR (ej.date_approved <> '2000-01-01' and DATEDIFF('2026-06-20',ej.date_added) <= 14 ))
                                   AND 
e.deactivate != AND ej.deleted AND job_id '1660188' 
0.0003   SELECT *
FROM `employer_jobs_skills` `ejs`
LEFT JOIN `skills_categories` `scON `ejs`.`skill_id` = `sc`.`id`
WHERE `job_id` = 1660188 
0.0007   UPDATE employer_jobs SET hit_counts '***Jun-02-2026=329***Jun-03-2026=148***Jun-04-2026=38***Jun-05-2026=27***Jun-06-2026=17***Jun-07-2026=10***Jun-08-2026=19***Jun-09-2026=12***Jun-10-2026=19***Jun-11-2026=25***Jun-12-2026=9***Jun-13-2026=12***Jun-20-2026=1' WHERE job_id'1660188'  
0.0007   UPDATE employer_jobs SET monthly_hits '***Jun-2026=666' WHERE job_id'1660188'  
0.0008   SELECT date_sent FROM jobseeker_sent_emails WHERE jobseeker_id '' AND job_id '1660188' AND status LIKE 'sent%' ORDER BY id DESC  
0.0003   SELECT *
FROM `employer_jobs_skills` `ejs`
LEFT JOIN `skills_categories` `scON `ejs`.`skill_id` = `sc`.`id`
WHERE `job_id` = 1660188 
0.0003   SELECT COUNT(*) AS `numrows`
FROM `employer_jobs`
WHERE `employer_id` = '940971'
AND `date_added` >= '2022-06-08' 
0.0003   select from teasers 
0.0002   SELECT FROM skill_categories WHERE skill_cat_id='' 
  HTTP HEADERS  (Show)
  SESSION DATA  (Show)
  CONFIG VARIABLES  (Show)