Senior Full Stack/Web Performance Engineer Job at RTB House

Senior Full Stack/Web Performance Engineer

RTB House is a global company that provides state-of-the-art marketing technolog...

Location

Poland

Salary:

Not provided

RTB House

Expiration Date

Until further notice

Requirements

7+ years of hands-on experience in software engineering, including the understanding of Frontend Development fundamentals and its internal mechanisms
Practical experience and strong understanding of Web Performance optimization techniques and advanced loading strategies (caching, asset delivery)
Solid proficiency in JavaScript/TypeScript and modern frameworks like e.g., React. Experience with relevant build tooling (e.g., Webpack, Vite)
Experience with Real User Monitoring (RUM) and synthetic tools to analyze, debug, and improve performance issues
Good understanding of full-stack concepts, including working with backend APIs (Node.js, Python, or Java) and deployment/CI/CD pipelines

Job Responsibility

Implement and maintain high-quality frontend and full-stack solutions for displaying Ads globally, focusing on extreme performance and scalability
Providing tools, telemetry, and critical optimizations to drive measurable improvements in critical user performance metrics (such as LCP, INP/FID, CLS and more) for ad rendering and display
Write, test, and deploy robust, efficient, and well-documented code in JavaScript/TypeScript/Python, ensuring adherence to the highest coding and performance standards
Develop monitoring systems (RUM and Synthetic) to track crucial metrics like reliability or viewability and use data to diagnose and resolve performance bottlenecks
Collaborate closely with Ads Layouts specialists and backend engineers to ensure smooth data flow and optimal architectural alignment for performance-critical features
Participate in code reviews, knowledge sharing sessions, and help implement technical standards and best practices within the team

What we offer

Projects focused on extreme performance and high code quality – solid code reviews are our standard
Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers)
Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses)
Flexible working conditions – no core hours, fully remote cooperation possible

New

IT Training Lead

The IT Training Lead will drive technology learning and user adoption across the...

Location

United States , Delray Beach

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Experience in IT training, instructional design, technical enablement, or learning and development
Strong knowledge of Microsoft 365
Excellent communication, facilitation, and content development skills
Ability to translate technical concepts into practical, user-friendly training.

Job Responsibility

Design, develop, and deliver IT training programs in instructor-led, virtual, and self-paced formats
Take lead in the Microsoft Copilot and AI training strategy, including onboarding, advanced use cases, responsible AI usage, and ongoing enablement
Partner with IT leadership to support new technology rollouts, system upgrades, and digital transformation initiatives
Create and maintain training content, including videos, guides, tutorials, and job aids
Identify skill gaps and develop targeted learning solutions to improve adoption and productivity
Gather feedback and measure training effectiveness to continuously improve programs.

New

K Kitchen Representative

The position includes, but is not limited to, the following essential job duties...

Location

United States , New Albany

Salary:

Not provided

Circle K

Expiration Date

Until further notice

Requirements

Excellent communication skills
Team player who can work well with others or independently
Acts with integrity
keeps commitments
Contagious positive attitude
Focuses on achieving results while having fun
Frequently bend, twist at waist, kneel, squat, stand, and walk
Occasionally climb and descend ladders
Tolerate extreme cold and hot temperatures and work in and around fryers, ovens, grills, coolers, freezers, sharp objects, and loud noises
Reach, grasp, and manipulate objects with hands for entire shift, including reaching for objects overhead

Job Responsibility

Provides excellent guest service in a fast and friendly manner
Maintains a clean restaurant environment by cleaning and performing general housekeeping duties
Prepares and serves food items in accordance with all Brand, Company, and health department regulations
Ensures product quality, food safety, and operational standards are met
Keeps accurate cash, sales, and inventory control records
Follows all government laws and safety codes
Completes reports on all incidents following our 5-minute rule policy
Lives our Company values: One Team, Do the Right Thing, Takes Ownership, Play to Win

What we offer

Medical, Dental, Vision, Term Life and AD&D plans
Flexible spending and health savings accounts (FT)
Vacation paid time off
Company holidays paid at time and a half
Matching 401(k)
Tuition Reimbursement
Stock Purchase Plan
Employee Discount Program
Discount Meal Benefit
Wellness Plan

New

K Kitchen Representative

Location

United States , Decatur

Salary:

Not provided

Circle K

Expiration Date

Until further notice

Requirements

Excellent communication skills
Team player who can work well with others or independently
Acts with integrity
keeps commitments
Contagious positive attitude
Focuses on achieving results while having fun
Frequently bend, twist at waist, kneel, squat, stand, and walk
Occasionally climb and descend ladders
Tolerate extreme cold and hot temperatures and work in and around fryers, ovens, grills, coolers, freezers, sharp objects, and loud noises
Reach, grasp, and manipulate objects with hands for entire shift, including reaching for objects overhead

Job Responsibility

Provides excellent guest service in a fast and friendly manner
Maintains a clean restaurant environment by cleaning and performing general housekeeping duties
Prepares and serves food items in accordance with all Brand, Company, and health department regulations
Ensures product quality, food safety, and operational standards are met
Keeps accurate cash, sales, and inventory control records
Follows all government laws and safety codes
Completes reports on all incidents following our 5-minute rule policy
Lives our Company values: One Team, Do the Right Thing, Takes Ownership, Play to Win

What we offer

Medical, Dental, Vision, Term Life and AD&D plans
Flexible spending and health savings accounts (FT)
Vacation paid time off
Company holidays paid at time and a half
Matching 401(k)
Tuition Reimbursement
Stock Purchase Plan
Employee Discount Program
Discount Meal Benefit
Wellness Plan

New

Restaurant Assistant Manager

This position assists the Restaurant Manager (RM) with daily operations of the r...

Location

United States , Holly Springs

Salary:

Not provided

Circle K

Expiration Date

Until further notice

Requirements

Full time required
availability during all hours of operation and at least one hour pre-opening and post-closing required
Valid state Driver's License required
Excellent communication skills
Motivates, coaches, and leads team members
Acts with integrity
keeps commitments
Contagious positive attitude
Focuses on achieving results while having fun
Ability to gain control during stressful situations

Job Responsibility

Assists the Restaurant Manager with daily operations of the restaurant and supervises the team in their absence
Leads and coaches Restaurant Team Members and partners with the management team to maintain the Company and Brand operational standards
Provides excellent guest service in a fast and friendly manner
coaches and corrects team
Conducts second interviews for team members and shift leads
Maintains a clean restaurant environment by cleaning and performing general housekeeping duties
Assigns shift duties to team members and follows up to ensure completion
Directs team and ensures all food items are prepared and served in accordance with all Brand, Company, and health department regulations
Coaches team members to follow guidelines for food preparation and production management
Cascades relevant information to team members and assists with new product training

What we offer

Unlimited tip pooling
Medical, Dental, Vision, Term Life and AD&D plans
Flexible spending and health savings accounts
Short-Term Disability
Vacation paid time off
Company holidays paid at time and a half
Matching 401(k)
Tuition Reimbursement
Stock Purchase Plan
Employee Discount Program

Fulltime

New

Plant Operator - Crushing and Screen

Are you an experienced and ticketed Machine Operator looking for stable, high-ho...

Location

Australia , Petrie

Salary:

42.00 - 52.00 AUD / Hour

Randstad

Expiration Date

July 09, 2026

Requirements

Proven Experience working in a quarry, concrete recycling, or heavy industrial yard
Current tickets for Front-End Loader (LL) and Excavator (LE)
Truck License: Heavy Rigid (HR) or higher is highly regarded
Reliability with strong work ethic and punctuality
Own reliable vehicle and current driver's license

Job Responsibility

Safe and efficient operation of heavy machinery in a fast-paced recycling and quarry environment
Operating Front-End Loaders
Operating Excavators utilized as material handlers
Operating Moxy (Articulated Dump Trucks) and other yard machinery as required
Assisting with daily machinery pre-starts, basic maintenance, and ensuring the yard runs smoothly
Adhering strictly to site health and safety protocols

What we offer

Top Rates: $42.00 to $52.00 per hour + overtime penalties
Big Hours: Consistent 40 to 55-hour work weeks
Career Progression: Pathway from casual to permanent full-time employment within 3-6 months
Local Work: Convenient Brisbane Northside location (Petrie)
Immediate Start

Fulltime

Graduate Student Instructors

Location

United States , Ann Arbor

Salary:

Not provided

University of Michigan

Expiration Date

Until further notice

Requirements

Enrolled in good standing as a graduate student at the University of Michigan
Available to teach the scheduled section times
Have previously taken at least 1 philosophy course (or equivalent course) in this general area as an undergraduate or graduate student, and have demonstrated expertise and interest in subject area
Experience with Canvas
If the language of instruction at a student's undergraduate institution was not English, they must be evaluated by the English Language Institute (ELI) for English proficiency and either pass the GSI-OET or have this test waived by the ELI before they can be eligible for a GSI appointment in LS&A.

Job Responsibility

Attend all lectures and exams for your preferred course
Run discussion sections as scheduled
Hold at least 2 office hours each week
Grade assignments, per lead faculty instruction
Meet weekly with the lead instructor, and respond promptly to emails
Additional items listed in fraction calculation form

Parttime

Shift Supervisor

We're building a world of health around every individual — shaping a more connec...

Location

United States , Colorado Springs

Salary:

17.16 - 26.16 USD / Hour

CVS Health

Expiration Date

Until further notice

Requirements

Deductive reasoning ability, analytical skills and computer skills
Advanced communication skills and supervision skills
Ability to work a flexible schedule, including some early morning, overnight and weekend shifts, to work overtime as needed, and to respond to urgent issues at the store when they arise

Job Responsibility

Work effectively with store management and store crews
Supervise the store's crew through assigning, directing and following up of all activities
Effectively communicate information both to and from store management and crews
Assist customers with their questions, problems and complaints
Promote CVS customer service culture
Handle all customer relations issues in accordance with company policy and promote a positive shopping experience for all CVS customers
Maintain customer/patient confidentiality
Price merchandise
Stock shelves
Execute the displays, sign and inventory of weekly, promotional, and seasonal merchandise

What we offer

Dental
Vision
Wellness resources
Employee discounts
Access to certain voluntary benefits
Other programs

Parttime

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Senior Full Stack/Web Performance Engineer

Job Description

Job Responsibility

Requirements

Nice to have

What we offer

Looking for more opportunities?

Senior Full Stack/Web Performance Engineer

Senior Full Stack/Web Performance Engineer

IT Training Lead

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K Kitchen Representative

Restaurant Assistant Manager

Plant Operator - Crushing and Screen

Graduate Student Instructors

Shift Supervisor

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