Jobs
213
Game Mathematician (iGaming / Slots)
Whimsy Games
$$$$
Part-time
Β·
Full Remote
Β·
Countries of Europe or Ukraine
Β·
4 years of experience
Β·
English - B1
Β·
Gambling
We are looking for a Game Mathematician to work on slot games within an iGaming product. This role is for someone who can turn mathematics into an engaging and well-balanced gaming experience, works confidently with probabilities, RTP, and simulations, and collaborates effectively with developers and QA.
Responsibilities
Design and calculate mathematical models for slot games (RTP, volatility, hit rate, max win).
Build and balance core game elements: paytables, reels / weights, wild & scatter logic, free...
More
72 views
Β·
11 applications
Β·
updated 19d ago
Web Designer
Ferla Bikes
$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
5 years of experience
Β·
English - B2
Β·
E-commerce / Marketplace
About Ferla
Ferla is a U.S.-based company with two growing brands: Ferla Bikes, focused on commercial and specialty bikes, and Ferla Family Bikes, focused on premium electric cargo and family bikes.
We are looking for a talented Part-Time Web Designer to join our team remotely and help us continuously improve both websites.
This is an ongoing position for someone who is creative, detail-oriented, and comfortable working directly inside Shopify and WordPressβnot just creating mockups.
What You'll...
More
87 views
Β·
15 applications
Β·
updated 20d ago
Crypto Content Creator (Video first)
Solus Group
$
Part-time
Β·
Full Remote
Β·
Ukraine
Β·
2 years of experience
Β·
English - B1
Β·
Advertising / Marketing
SOLUS GROUP is a Web3-native growth syndicate that unites marketing, venture, institutional LP, and M&A expertise. Born in the wild 2017 Web3 market and matured in the institutional space.
The role
You own the page: what goes out, when, and how it performs. That includes producing content yourself, and video is the biggest part of it - Reels, TikToks and Shorts, filmed and edited by you.
Not everything on the page will be made by you. Influencers, our design team and the rest of the content team also...
More
76 views
Β·
3 applications
Β·
updated 20d ago
Link Builder (B2B SEO)
Devox Software
$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
2 years of experience
Β·
English - None
We're looking for an experienced Link Builder to drive backlink growth for our B2B portfolio (IT/SaaS, software development, logistics, fintech, and industrial services), working closely with our SEO and content teams.
Project
B2B websites across multiple industries, each with distinct service, product, and content page clusters that need targeted link-building strategies.
Responsibilities
Source and vet relevant donor sites, then run personalized outreach to webmasters and editors to negotiate guest...
More
66 views
Β·
22 applications
Β·
updated 20d ago
Media Buyer Team Lead
Ukraine Tech
$$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
3 years of experience
Β·
English - B1
Β·
Gambling
We are looking for an experienced Media Buyer Team Lead to lead our performance marketing team and drive paid user acquisition across multiple digital channels. This role combines strategic leadership with hands-on campaign oversight, ensuring the team consistently delivers growth while meeting ambitious performance targets.
The ideal candidate has proven experience managing high-performing media buying teams, deep expertise in performance marketing within Tier1 and LATAM markets, and a strong analytical...
More
47 views
Β·
13 applications
Β·
updated 20d ago
Chief Financial Officer (CFO)
MediaAlta
$$$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
4 years of experience
Β·
English - B2
Β·
Advertising / Marketing
We are a fast-growing fintech company with over 8 years of experience building financial infrastructure for digital advertising businesses. We provide solutions that help media buyers and advertisers run campaigns efficiently and without interruptions.
We are seeking a strategic and hands-on Chief Financial Officer (Part-time or as a consultant) to lead the financial function across multiple international entities. This role suits someone who combines high-level strategic thinking with a solid operational...
More
84 views
Β·
20 applications
Β·
updated 20d ago
Content Writer / Content Manager (Freelance)
Ekreative
$
Part-time
Β·
Full Remote
Β·
Countries of Europe or Ukraine
Β·
2 years of experience
Β·
English - B2
Β·
SaaS
About the role
We're hiring a freelance content writer to produce the content that supports our inbound engine β website content, case studies, and guest posts on external publications.
This is a fractional engagement covering the ongoing content output for our website and external placements.
You'll work from briefs supplied by our SEO specialist. The strategy layer (keyword targeting, search intent, technical SEO) sits with them. Your focus is voice, craft, and execution.
Our writing covers a mix of...
More
223 views
Β·
77 applications
Β·
updated 20d ago
Technical Integrator (Affiliate Network)
97calls
$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
2 years of experience
Β·
English - B1
Β·
Advertising / Marketing
Tech Integration Specialist - US Affiliate Network
About the company
Weβre a US-based affiliate network working with legitimate, white-hat verticals and performance-based lead generation.
Our business involves multiple partners, platforms and technical integrations, so the role is varied and highly practical. Youβll have the opportunity to work directly with real business systems rather than focusing on repetitive technical support.
Weβre looking for a strong Technical Integration Specialist to join a...
More
113 views
Β·
41 applications
Β·
updated 20d ago
Media Buyer (Google Ads / Meta Ads)
97calls
$$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
3 years of experience
Β·
English - B2
Β·
Advertising / Marketing
Media Buyer
Google Ads | US Market | Pay-Per-Call
We are looking for an experienced Media Buyer to join our growing performance marketing team and take ownership of Google Ads campaigns for the US market.
Our focus is Pay-Per-Call / Lead Generation, with campaigns across high-intent verticals such as Home Services, Insurance, Finance, Legal, and Healthcare.
Work format
We are looking to start with a part-time engagement, with the opportunity to transition into a full-time role and build a long-term...
More
85 views
Β·
15 applications
Β·
updated 20d ago
Analyst (crypto)
GT Protocol
$$$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
3 years of experience
Β·
English - B2
Β·
Blockchain / Crypto
CRYPTO TRADER
Hi! Weβre GT Protocol β an AI-powered crypto trading ecosystem that helps traders automate and optimize their trading with AI.
Weβre currently looking for experienced traders to partner with us on AI Hedge Fund β our public experiment exploring how AI models perform when managing investment portfolios.
Five leading AI models β Claude, GPT, Gemini, DeepSeek, and Grok β manage separate virtual portfolios and compete across profitability, decision quality, and risk management. Weβre also...
More
85 views
Β·
18 applications
Β·
updated 20d ago
DTC Growth / Performance Manager
TALENTS BOUTIQUE
$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
2 years of experience
Β·
English - B2
Β·
Advertising / Marketing
Kleem Organics is an established Amazon seller in the skincare space, now expanding into a full DTC growth model on Shopify - built around our hero acquisition product, the Kleem Organics Retinol Cream. We're looking for a hands-on growth operator to take full ownership of the funnel and turn this single product into a scalable, profitable acquisition engine.
The Mission
Take Kleem Organics' Retinol Cream from ~$300K/year to $10M/year on Shopify within 2 years. You'll own the entire funnel β Creative β...
More
67 views
Β·
7 applications
Β·
updated 21d ago
2D Artist / Spine Animator (Casual Games)
Penalty Crash
Responds Quickly
to $1500
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
1 year of experience
Β·
English - A1
Β·
Gamedev
We are Penalty Crash, a small studio creating casual mobile and web games. We are looking for a 2D artist who not only draws but also brings characters and objects to life in Spine.
Responsibilities:
Create modern 2D designs for game screens, UI, characters, objects and effects.
Prepare assets for animation (slicing, rigging, layers).
Animate characters, objects and UI in Spine 2D (idle, win/lose, transitions, effects).
Export animations for game engines and coordinate with developers.
Keep a consistent...
More
120 views
Β·
18 applications
Β·
updated 22d ago
Lead Generation Manager for Design Agency (Upwork Proposals)
Creava
$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
1 year of experience
Β·
English - C2
About us
We're Creava, a small design agency focused on SaaS, B2B platforms, dashboards, admin panels, and AI-powered interfaces. We're looking for someone to help us find and win the right client work on Upwork.
What you'll do
Search Upwork daily for relevant job posts that match our design services (SaaS/B2B UX-UI, dashboards, admin panels, AI-powered interfaces, MVPs, Figma design systems)
Review each post carefully and use judgment to apply only to jobs that are a genuine fit for our agency
Quickly...
More
62 views
Β·
7 applications
Β·
updated 22d ago
Technical Content Writer
CUDEV
$$
Part-time
Β·
Full Remote
Β·
Worldwide
Β·
2 years of experience
Β·
English - B2
Β·
E-commerce / Marketplace
Requirements:
β’ 2+ years of experience as a Content Writer in an IT company or software development industry;
β’ Proven experience writing technical articles about software development;
β’ Portfolio with published technical articles on websites (links are required);
β’ Understanding of software development concepts and technologies;
β’ Excellent research skills with the ability to quickly understand new technical topics;
β’ Ability to write clear, engaging, and well-structured articles;
β’ Strong attention to...
More
225 views
Β·
45 applications in 30 days
Β·
updated 22d ago
WordPress developer
Waterfall
$
Part-time
Β·
Full Remote
Β·
Ukraine
Β·
2 years of experience
Β·
English - B1
Β·
Advertising / Marketing
Waterfall is looking for Wordpress Developer, who will be responsible for the landing page on working websites.
Key Qualifications:
2+ years of WP Development experience;
English (Intermediate)
Skills in responsive, valid, cross-browser layout (HTML5, JS, CSS3);
Good understanding of PHP back-end development.
Duties and responsibilities will include:
Website development of different levels of complexity (adaptive and cross-browser are musts);
CMS integration;
Current projects support and...
More
576 views
Β·
172 applications in 30 days
Β·
updated 25d ago