Jobs
6778-
Β· 44 views Β· 15 applications Β· 2d
AI Python Developer
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateIT Craft invites an AI/ML Python Developer to join the company. Requirements: Core Software Engineering: 5 + years Python 3.x; strong proficiency with FastAPI, Django or Flask; Git, unit testing, CI/CD, Docker; Generative AI & LLMs: Practical knowledge of...IT Craft invites an AI/ML Python Developer to join the company.
Requirements:
- Core Software Engineering: 5 + years Python 3.x; strong proficiency with FastAPI, Django or Flask; Git, unit testing, CI/CD, Docker;
- Generative AI & LLMs: Practical knowledge of leading models (GPT, Claude, Gemini, Mistral, Llama, Qwen, etc); working with them via public APIs, self-hosting or managed platforms (AWS Bedrock, Azure OpenAI, GCP Vertex);
- LLM Techniques: Retrieval-Augmented Generation (RAG), Supervised Fine-Tuning (SFT), Parameter-Efficient Fine-Tuning (LoRA/QLoRA/PEFT), Reinforcement Learning from Human Feedback (RLHF), prompt engineering and evaluation;
- Chatbots & Agents: Designing multi-turn conversational flows, tool invocation, agent routing/orchestration with LangChain, LlamaIndex, CrewAI, Semantic Kernel or similar;
- Vector Databases: Experience with FAISS, Milvus, Pinecone, Weaviate, Chroma, pgvector (indexing, similarity search, hybrid search);
- MCP Servers: Building and integrating Model Context Protocol (MCP) servers to securely expose domain tools/functions to LLMs;
- Automation Platforms: Advanced use of no-/low-code tools: n8n, Make (Integromat), Zapier (triggers, webhooks, custom modules);
- Soft Skills: Ownership mindset, rapid prototyping, clear technical writing; English at Upper-Intermediate (B2) or higher.
Key Responsibilities:
- Design & build end-to-end LLM workflows in Python (FastAPI, Django or Flask) β from data ingestion to inference APIs;
- Develop and fine-tune models (SFT, LoRA/QLoRA, RLHF) using PyTorch and modern open-source tooling;
- Implement RAG pipelines: document parsing, embedding generation, vector search and evaluation;
- Create chatbots / autonomous agents with frameworks such as LangChain, LlamaIndex, Semantic Kernel or CrewAI;
- Expose tools via MCP servers so that external LLMs can invoke domain-specific actions;
- Integrate no-/low-code automation (n8n, Make, Zapier) to orchestrate business workflows;
- Write clean, test-driven code; set up CI/CD; monitor, log, and continuously improve model performance and system reliability.
Nice to Have:
- Experience with data privacy & compliance (GDPR, SOC 2);
- Operate in cloud & on-prem (Docker, GPU instances, AWS Bedrock/Azure OpenAI, self-hosted LLMs, etc.);
- Hands-on experience with TensorFlow, PyTorch, NumPy, Pandas; ability to train, fine-tune, and evaluate ML/LLM models;
- Familiarity with front-end stacks (React/Next.js, TypeScript) for building AI-powered user interfaces;
- Bonus: Experience in Generative Graphics, including Stable Diffusion, Inpainting techniques, and ControlNets;
- Bonus: Experience in LLM hosting and working with llama.cpp.
IT Craft offers:
- Competitive compensation according to the qualifications;
- Flexible working hours, remote work;
- Opportunity for career growth;
- Reward for sport activities;
- In-house English training;
- A friendly team of open-minded people.
Please send your CV!
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By submitting your application, you consent to the processing of your personal data in accordance with IT Craftβs Privacy Policy, available at itechcraft.com/datenschutz. -
Β· 16 views Β· 3 applications Β· 1d
Affiliate Content Manager
Full Remote Β· Ukraine Β· Product Β· 1 year of experience Β· B2 - Upper IntermediateStudio 402 is a digital product team building in-house platforms and services. We craft exceptional digital experiences through custom software solutions. Our expertise spans web applications, mobile development, scalable infrastructure, and Web3...Studio 402 is a digital product team building in-house platforms and services. We craft exceptional digital experiences through custom software solutions. Our expertise spans web applications, mobile development, scalable infrastructure, and Web3 technologies.
We connect win-win partnerships, supported by strong product, marketing, and tech expertise!
We believe music is more than just sound β itβs a way to tell stories.
Our latest project is an AI-powered music application that transforms written narratives, moods, and prompts into original musical compositions.
Itβs going to be a thrilling ride β come build it with us!:)
About the Role
Weβre looking for an Affiliate Content Manager to take ownership of creator partnerships and ensure smooth operations with bloggers, influencers, and affiliates.
You will:
β’ Oversee content delivery by our influencers: timelines, formats, mentions, quality.
β’ Calculate and manage payouts for each partner.
β’ Handle creator communication: reminders, follow-ups, resolving edge cases.
β’ Monitor content rights and ensure access and ownership are in place.
β’ Maintain internal reporting: who delivered what, when, and how much they earned.
β’ Proactively find and onboard new affiliates and creators via platforms, directories, and CPA networks.
Requirements:
β’ Experience in affiliate marketing, influencer ops, or partner management.
β’ Solid understanding of YouTube, TikTok, Instagram environments.
β’ Confident user of Google Sheets, task managers (Notion, Trello, etc.), and CRM tools.
β’ Basic understanding of content licensing and contract structures.
β’ English β Upper-Intermediate (B2) or higher.
β’ Independent, detail-oriented, and organized.
β’ Proven experience in outreach and onboarding of new creators/affiliates.
What We Offer (aka: why youβll enjoy working with us)
We donβt like calling it a βsocial packageβ β we just create an environment where people feel motivated and empowered:
β’ A product with real users and growth.
β’ Fully remote work and a flexible schedule.
β’ Autonomy and trust β your decisions influence real outcomes.
β’ A creative and ambitious team of professionals.
β’ Official employment and full benefits.
β’ Access to all needed AI, analytics, and collaboration platforms.
Letβs build something amazing together π«
Join us and help shape the future of creator-driven content and AI-powered music!:)
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Β· 254 views Β· 65 applications Β· 7d
Operations Manager
Full Remote Β· Worldwide Β· Product Β· 3 years of experience Β· B2 - Upper IntermediateWeβre hiring an Operations Manager to bring structure, clarity, and execution power to our fast-moving team. If you love turning chaos into systems, driving execution through OKRs, and making sure no task slips through the cracks β we need you. Weβre a...Weβre hiring an Operations Manager to bring structure, clarity, and execution power to our fast-moving team.
If you love turning chaos into systems, driving execution through OKRs, and making sure no task slips through the cracks β we need you.
Weβre a fast-growing Web3 company building infrastructure for real-world asset tokenization and digital investment onboarding. Working at the intersection of blockchain, finance, and crowdfunding, we help businesses unlock new capital through innovative tech.
This role is key to scaling our internal operations and ensuring all parts of the company move in sync.
π§ Strategy & Ownership
- Own and optimize all core operational processes across departments
- Lead the implementation and execution of company-wide OKRs and KPIs
- Monitor cross-functional alignment to ensure strategic goals are met
- Proactively identify inefficiencies and build scalable solutions
- Collaborate closely with Product, Sales, Delivery, and Founders to keep everything on track
βοΈ Execution & Process Control
- Manage project and task tracking across the company (Jira and other tools)
- Ensure deadlines are met, blockers are removed, and teams stay accountable
- Maintain regular reporting on task progress and execution quality
- Run ops check-ins, team syncs, and retrospectives to keep teams aligned
- Oversee documentation of processes, workflows, and internal policies
- Set up and optimize internal dashboards for visibility and reporting
π Metrics, Reporting & Performance
- Track progress on OKRs/KPIs across teams and ensure timely delivery
- Maintain clear, structured reporting for leadership and stakeholders (weekly, monthly, quarterly)
- Build templates and automate recurring reports for operational visibility
- Audit team performance, task completion rates, and operational bottlenecks
- Drive continuous improvement initiatives based on data and feedback
β Requirements
- 3+ years of experience in operations, project management, or business performance roles
- Strong understanding of goal-setting frameworks like OKRs and KPI tracking
- Excellent organizational and prioritization skills
- Hands-on experience with project management tools (preferably Jira)
- Confident communicator with leadership presence
- Fluent in English (Upper-Intermediate or higher)
π― Nice to Have
- Experience in Web3, SaaS, or tech startups
- Familiarity with async team management and remote operations
- Background in business process automation or analytics
π° What We Offer
- Competitive compensation
- Performance-based bonuses
- Full remote flexibility
- Direct access to founders and strategic decision-making
- An opportunity to shape the core of a high-growth Web3 company
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Β· 17 views Β· 4 applications Β· 1d
Influencer Operations Manager
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 1 year of experience Β· B2 - Upper IntermediateStudio 402 is a digital product team building in-house platforms and services. We craft exceptional digital experiences through custom software solutions. Our expertise spans web applications, mobile development, scalable infrastructure, and Web3...Studio 402 is a digital product team building in-house platforms and services. We craft exceptional digital experiences through custom software solutions. Our expertise spans web applications, mobile development, scalable infrastructure, and Web3 technologies.
We connect win-win partnerships, supported by strong product, marketing, and tech expertise!
We believe music is more than just sound β itβs a way to tell stories.
Our latest project is an AI-powered music application that transforms written narratives, moods, and prompts into original musical compositions.
Itβs going to be a thrilling ride β come build it with us!:)
About the Role
Weβre looking for an Affiliate Content Manager to take ownership of creator partnerships and ensure smooth operations with bloggers, influencers, and affiliates.
You will:
β’ Oversee content delivery by our influencers: timelines, formats, mentions, quality.
β’ Calculate and manage payouts for each partner.
β’ Handle creator communication: reminders, follow-ups, resolving edge cases.
β’ Monitor content rights and ensure access and ownership are in place.
β’ Maintain internal reporting: who delivered what, when, and how much they earned.
β’ Proactively find and onboard new affiliates and creators via platforms, directories, and CPA networks.
Requirements:
β’ Experience in affiliate marketing, influencer ops, or partner management.
β’ Solid understanding of YouTube, TikTok, Instagram environments.
β’ Confident user of Google Sheets, task managers (Notion, Trello, etc.), and CRM tools.
β’ Basic understanding of content licensing and contract structures.
β’ English β Upper-Intermediate (B2) or higher.
β’ Independent, detail-oriented, and organized.
β’ Proven experience in outreach and onboarding of new creators/affiliates.
What We Offer (aka: why youβll enjoy working with us)
We donβt like calling it a βsocial packageβ β we just create an environment where people feel motivated and empowered:
β’ A product with real users and growth.
β’ Fully remote work and a flexible schedule.
β’ Autonomy and trust β your decisions influence real outcomes.
β’ A creative and ambitious team of professionals.
β’ Official employment and full benefits.
β’ Access to all needed AI, analytics, and collaboration platforms.
Letβs build something amazing together π«
Join us and help shape the future of creator-driven content and AI-powered music!:)
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Β· 8 views Β· 0 applications Β· 1d
AI/ML Engineer
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateAbout the Project: Weβre looking for a skilled AI/ML Engineer to lead the development of intelligent components for a conversational chatbot and advanced search system. This includes everything from building solid data pipelines to integrating LLMs and...About the Project:
Weβre looking for a skilled AI/ML Engineer to lead the development of intelligent components for a conversational chatbot and advanced search system. This includes everything from building solid data pipelines to integrating LLMs and optimizing semantic search.π§ What Youβll Be Working On:
- Review and analyze existing data sources and schemas.
- Design and implement ETL pipelines for both structured and unstructured data.
- Generate embeddings and manage vector databases (PGVector/PostgreSQL).
- Build and optimize similarity search and ranking algorithms.
- Fine-tune LLM prompts for chatbot interactions and contextual replies.
- Develop logic for user intent detection and dynamic response generation.
- Collaborate with the engineering team on deployment, APIs, and testing.
- Implement feedback loops to continuously improve model performance.
- Ensure role-based access, metadata tracking, and performance tuning.
- Deliver scalable, production-ready AI/ML components.
β Weβre Looking For Someone Who Has:
- 5+ years of hands-on experience in AI/ML engineering, ideally in production environments.
- Strong Python skills: Pandas, NumPy, FastAPI, Langchain, etc.
- Practical experience working with LLMs (OpenAI, AWS Bedrock) and prompt engineering.
- Deep knowledge of embeddings, semantic search, and NLP techniques.
- Solid background with ETL workflows from diverse sources (APIs, SQL, documents, images).
- Experience working with vector databases β PGVector is a strong plus.
- Familiarity with unstructured data handling and metadata management.
- Hands-on deployment experience in Dockerized environments.
- Understanding of role-based access control and personalization logic.
- Strong communication and team collaboration skills, with the ability to lead technical decisions.
π¬ If you're excited about building LLM-powered systems and solving real-world search + chatbot challenges β weβd love to talk.
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Β· 4 views Β· 0 applications Β· 1d
Senior AI/ML Engineer
Full Remote Β· EU Β· 5 years of experience Β· B2 - Upper IntermediateAbout the Opportunity Weβre hiring a Senior AI/ML Engineer for a full-time, long-term engagement in the Mobility & Transportation Technology domain. You'll be part of a high-impact team working on distributed, scalable back-end systems that power...π About the Opportunity
Weβre hiring a Senior AI/ML Engineer for a full-time, long-term engagement in the Mobility & Transportation Technology domain. You'll be part of a high-impact team working on distributed, scalable back-end systems that power smarter logistics across aviation, shipping, and railway sectors.
π’ About the Company
Our client is a trusted outsourcing and outstaffing company with over 8 years of experience in web and mobile development. With 120+ experts across 6 countries, theyβve delivered tailored solutions in healthcare, real estate, e-commerce, fintech, and real-time communications.
They also build their own products, including:
- VidRTC β a WebRTC video conferencing engine
- Apartmii β a real estate rental platform
πΌ About the Project
The project focuses on building serverless, event-driven infrastructure for global transportation services. Youβll join a cross-functional team working on distributed backends, micro/macroservices, and forecasting models that optimize supply chains and reduce costs.
π€ Who Weβre Looking For
Must-have experience:
- 5+ years of hands-on experience with Python in distributed, serverless environments (preferably on AWS)
- Strong knowledge of AWS tools: Lambda, RDS, ECS, SageMaker Pipelines, Endpoints, Studio
- Solid understanding of microservices architecture
- 2+ years working with SQL or NoSQL databases in performance-critical applications
- Practical experience with time series forecasting (ARIMA, Prophet, XGBoost, DeepAR)
- Strong practice with A/B testing, model tuning, and real-world deployment
- Upper-Intermediate or better English communication skills
Nice-to-have:
- Familiarity with .NET Core
π οΈ What Youβll Be Doing
- Design, build, and maintain scalable serverless systems
- Develop and deploy predictive models and time series analytics pipelines
- Collaborate with other engineers, QAs, POs, and the clientβs CTO
- Ensure smooth CI/CD pipelines and high-performance deployment flows
- Follow development best practices, write clean and testable code
- Contribute to high-load backend systems in a fast-moving environment
π What Youβll Get
- Remote full-time work within the EEA
- 21 paid vacation days + 5 sick days per year
- 50% co-funding for courses, conferences, and English classes
- Personalized development plan and mentorship support
- Fast, efficient communication and quick decision-making processes
- Flexible hours, empathetic HR, and volunteering opportunities
- A strong team with a collaborative and growth-focused culture
π¬ Interested? Letβs connect β this is a great opportunity to join a future-focused team building real-world ML solutions in a high-demand industry.
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Β· 127 views Β· 34 applications Β· 8d
IT Sales Development Representative (SDR) to $1500
Full Remote Β· Countries of Europe or Ukraine Β· 1 year of experience Β· B2 - Upper IntermediateHi! We're looking for a proactive and results-driven SDR to fuel our client pipeline and support our sales growth. Responsibilities: -Lead Generation: Identify and qualify leads through platforms like LinkedIn, Upwork, and more -Outbound Outreach:...Hi! We're looking for a proactive and results-driven SDR to fuel our client pipeline and support our sales growth.
π Responsibilities:
-Lead Generation: Identify and qualify leads through platforms like LinkedIn, Upwork, and more
-Outbound Outreach: Craft targeted messaging and engage decision-makers
-Sales Enablement: Support strategic planning and coordinate intro calls
-Event Participation: Represent the company at tech conferences (online/offline)
-CRM Engagement: Maintain lead data and track interactions
β Requirements:
-Experience in IT outsourcing/outstaffing
-Strong English (spoken and written)
-Excellent communication and analytical skills
-Persistent, self-motivated, and adaptable in a fast-paced setting
β Nice to Have:
-CRM and LinkedIn outreach experience
-Familiarity with lead generation tools and workflows
π What We Offer:
-Competitive salary + performance bonuses
-Dynamic startup culture & expert teammates
-Room for career growth
-100% remote flexibility
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Β· 68 views Β· 10 applications Β· 22d
Senior ML/NLP Engineer
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateWho We Are OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments,...Who We Are
OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments, leading StratCom agencies, and research institutions.
Our expertise lies in accessing restricted and high-risk environments, including conflict zones and closed platforms.
We combine ML technologies with deep local expertise. Our team, based in Kyiv, London, Ottawa, and Washington, DC, includes behavioural scientists, ML/AI engineers, data journalists, communications experts, and regional specialists.
Our core values are: speed, experimentation, elegance and focus. We are expanding the team and welcome passionate, proactive, and resourceful professionals who are eager to contribute to the global fight in cognitive warfare.
Who weβre looking for
OpenMinds is seeking a highly skilled ML/NLP Engineer with expertise in designing and implementing machine learning models for semantic search, sentiment analysis, text clustering, and text summarisation tasks.
The ideal candidate should possess a strong background in ML, NLP, and deep learning techniques, along with proficiency in Python, using of LLMs, experience with popular ML libraries/frameworks such as TensorFlow, PyTorch, or Keras, and capable of delivering solutions end-to-end β from development to deployment (MLOps).
In the position you will:
- Design, develop, and implement machine learning models and algorithms for semantic search, sentiment analysis, text clustering, and text summarisation tasks
- Train and fine-tune large language models using transformer architectures like GPT, BERT, or RoBERTa
- Extract and process social media data as a source for training and evaluating NLP models
- Build and deploy semantic search systems, sentiment analysis models, text clustering algorithms, and text summarisation tasks
- Utilise techniques such as graph-based ranking, attention mechanisms, and sequence-to-sequence models for text summarisation
- Ensure scalability of ML models within Google Cloud Platform
We are a perfect match if you have:
- 4+ years of experience in machine learning, natural language processing, and deep learning techniques
- Proficiency in Python and experience with ML libraries/frameworks like TensorFlow, PyTorch, or Keras
- In-depth knowledge of large language models, including transformer architectures like GPT, BERT, or RoBERTa
- Familiarity with state-of-the-art NLP libraries and frameworks, such as HuggingFace
- Experience in training and fine-tuning language models
- Solid understanding of contextual word embeddings and their applications in NLP tasks
- Familiarity with data preprocessing techniques like tokenisation, stemming, lemmatisation, and named entity recognition
- Proficient in cloud computing platforms (GCP is preferred) for ML model development and deployment (MLOps)
- English level: B2+
We offer:
- Work in a fast-growing company with proprietary AI technologies, solving the most difficult problems in the domains of social behaviour analytics and national security
- Competitive market salary
- Opportunity to present your work on tier 1 conferences, panels, and briefings behind closed doors
- Work face-to-face with world-leading experts in their fields, who are our partners and friends
- Flexible work arrangements, including adjustable hours, location, and remote/hybrid options
- Unlimited vacation and leave policies
- Opportunities for professional development within a multidisciplinary team, boasting experience from academia, tech, and intelligence sectors
- A work culture that values resourcefulness, proactivity, and independence, with a firm stance against micromanagement
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Β· 150 views Β· 20 applications Β· 27d
Senior Full-stack Engineer (React \ Python))
Full Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateWho We Are OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments,...Who We Are
OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments, leading StratCom agencies, and research institutions.
Our expertise lies in accessing restricted and high-risk environments, including conflict zones and closed platforms.
We combine ML technologies with deep local expertise. Our team, based in Kyiv, London, Ottawa, and Washington, DC, includes behavioural scientists, ML/AI engineers, data journalists, communications experts, and regional specialists.
Our core values are: speed, experimentation, elegance and focus. We are expanding the team and welcome passionate, proactive, and resourceful professionals who are eager to contribute to the global fight in cognitive warfare.
Who weβre looking for
Weβre looking for a Full-stack Engineer (React + Python) to help us build and scale a robust message delivery platform. This role will be central in developing end-to-end systems that enable secure, efficient, and high-volume communication across multiple channels. Youβll deliver scalable backend services, intuitive interfaces, and real-time delivery pipelines.
In the position you will:
- Own the development of a scalable full-stack system for multi-channel message delivery, ensuring reliability across diverse formats such as SMS, voice, social media, and messenger platforms
- Develop interfaces to support informational campaign creation, scheduling, targeting, and performance monitoring
- Implement real-time data pipelines and backend services for dynamic audience segmentation, automation triggers, and delivery status tracking
- Integrate third-party APIs (e.g., Telegram, Facebook, TikTok) and manage communication flows with attention to speed, fault tolerance, and localization
- Collaborate with cross-functional teams to introduce personalization capabilities, AI-assisted content tools, and multilingual support into messaging workflows
- Optimize the platform for high-throughput environments, with a focus on system resilience, observability, and load management
- Maintain a secure and robust infrastructure within Google Cloud Platform
We are a perfect match if you have:
- 5+ years of hands-on experience in full-stack development using ReactJS (TypeScript), FastAPI (Python)
- Strong grasp of OOP, design patterns, RESTful APIs, database design, and cloud infrastructure (GCP is preferred)
- Track record of delivering production-ready, enterprise-level applications
- Strong skills in debugging, performance optimization, and writing clean, secure, maintainable code
- Experience in modular architecture, building reusable components and UI Kits
- Experience in DevOps (docker/k8s, IaaC, CI/CD)
- English B2+
We offer:
- Work in a fast-growing company with proprietary AI technologies, solving the most difficult problems in the domains of social behaviour analytics and national security
- Competitive market salary
- Opportunity to present your work on tier 1 conferences, panels, and briefings behind closed doors
- Work face-to-face with world-leading experts in their fields, who are our partners and friends
- Flexible work arrangements, including adjustable hours, location, and remote/hybrid options
- Unlimited vacation and leave policies
- Opportunities for professional development within a multidisciplinary team, boasting experience from academia, tech, and intelligence sectors
- A work culture that values resourcefulness, proactivity, and independence, with a firm stance against micromanagement
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Β· 27 views Β· 8 applications Β· 4d
Lead Blockchain Developer
Full Remote Β· Worldwide Β· 5 years of experience Β· B2 - Upper IntermediateTop Netics is a venture builder. We create and launch our own tech products across the MENA region, the United States, Europe, and Africa β products that solve real-world problems and scale fast. We also work as a technical partner to select clients β...Top Netics is a venture builder. We create and launch our own tech products across the MENA region, the United States, Europe, and Africa β products that solve real-world problems and scale fast.
We also work as a technical partner to select clients β helping them design, build, and bring their digital products to market. From first prototype to full rollout, we stay hands-on and delivery-focused. We collaborate with both private companies and government organizations.
If you're looking to join a team that builds with respect, clarity, and purpose β you're in the right place.
Job Overview
We are seeking a highly skilled Lead Blockchain Engineer to drive the architecture, development, and performance optimization of blockchain systems across our products. This role focuses on Solana, high-performance DEX infrastructure, and real-world asset (RWA) tokenization, with an emphasis on backend systems supporting low-latency data flows and trading logic.
You will play a critical role in shaping protocol-level implementations, managing validator operations, designing performant smart contracts, and aligning blockchain architecture with overall product and system requirements.
Key Responsibilities
- Develop, test, and deploy smart contracts on Solana and EVM-compatible chains.
- Take ownership of the entire blockchain implementation, ensuring seamless interaction between blockchain components and backend systems.
- Collaborate closely with product and engineering teams to define tokenomics, integration flows, and feature development.
- Design and implement high-performance, low-latency infrastructure for DEX operations and trading logic.
- Set up and maintain Solana validator nodes, including low-level modifications as needed.
- Conduct blockchain code audits, performance analysis, and optimization.
- Stay ahead of emerging protocols, tooling, and best practices to ensure system excellence.
Skills & Qualifications
- 5+ years of software engineering experience, with 3+ years in blockchain-focused roles.
- Strong proficiency in Rust; deep knowledge of Solanaβs architecture and smart contract development; experience with Solana validator setup and modification.
- Experience with DEX protocols such as Raydium, Orca, Meteora (V2-V4); familiarity with Uniswap is a plus.
- Knowledge of Jito, Turbine protocol, and cryptographic patterns used in DeFi.
- High-performance backend development experience including Kafka, socket-level networking, and high-throughput databases.
- Familiarity with RWA tokenization patterns and regulatory-aware blockchain designs.
- Solid grounding in algorithms and optimization techniques.
- Experience with Web3 tools, blockchain SDKs, and cross-chain architecture.
- Hands-on experience deploying and managing smart contracts on EVM-compatible chains.
- Comfortable with Linux environments and basic DevOps practices.
- Strong analytical and problem-solving skills, proactive communication, and effective team collaboration.
What We Offer
- Competitive market-level salaries that reflect your skills and experience.
- A supportive and inclusive community that values collaboration and mutual growth.
- Dedicated mentorship programs led by senior developers to support your personal and professional development.
- Opportunities to work on cutting-edge blockchain technologies with real-world impact.
- Flexibility and resources to help you grow your expertise and advance your career.
Please Note:
To help us better understand your expectations, please include your salary expectations in your CV, motivation letter, or email when applying. This information is important for us during the recruitment process.
We understand no candidate will check every box β if you bring deep Solana experience and a passion for performant, scalable systems, we encourage you to apply.
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Β· 120 views Β· 8 applications Β· 17d
Digital Screen Content Manager to $2000
Full Remote Β· Worldwide Β· Product Β· 2 years of experience Β· B2 - Upper IntermediateWe are seeking an experienced Digital Content Manager to join company's team. Responsibilities Launch advertising campaigns from scratch Manage ads for digital screens to ensure quality and performance Upload and manage content across advertising...We are seeking an experienced Digital Content Manager to join company's team.
Responsibilities
β Launch advertising campaigns from scratch
β Manage ads for digital screens to ensure quality and performance
β Upload and manage content across advertising screens and platforms
β Approve and review programmatic advertisements
β Collaborate with designers to create digital screen banners and other promotional
materials
β Maintain regular communication with the companyβs clients
Requirements
β English level - at least Upper-Intermediate (preferably Advanced level)
β At least 2 years of experience as a Content Manager or Marketing Manager
β Experience in marketing is a must-have
β Experience in managing and creating digital screen ads is obligatory
β Strong analytical and multitasking skills
β High level of responsibility and commitment to quality work
β Experience working with social media platforms and websites (Instagram, Facebook,
LinkedIn, etc.)
β Willingness and ability to work in the New York time zone (9 am - 6 pm New York
Time)
Additional Clarification
β We are open to candidates from any country, as long as they can work within the set
New York working hours.
β Experience working in the US market (media, publishing, advertising, or B2B/B2C) is a
strong advantage but NOT mandatory.
β Social media experience is required.
β Trial Period: 1 week.
β Interview Process: 1 main interview with the CEO and marketing team.
Working Conditions
β Salary: From $1,200 per month, paid reliably and on time
β Fully remote position, work from anywhere in the world
β Schedule: 9 am - 6 pm New York Time (4 pm - 1 am Ukraine Time), MondayβFrida
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Β· 437 views Β· 153 applications Β· 15d
Frontend Developer (Next / Angular)
Full Remote Β· Countries of Europe or Ukraine Β· 4 years of experience Β· B2 - Upper IntermediateWeβre looking for a Frontend Developer who has experience dealing with large volumes of real-time data on the frontend with a strong knowledge in state management and in balancing SSR and CSR - optimizing both in cost and UX. What you will do Work...Weβre looking for a Frontend Developer who has experience dealing with large volumes of real-time data on the frontend with a strong knowledge in state management and in balancing SSR and CSR - optimizing both in cost and UX.
What you will do
- Work with large volumes of real-time data, implementing techniques for efficient rendering and smooth UX under high load
- Develop and maintain user-facing features using Next.js or Angular, ensuring performance, responsiveness, and scalability.
- Build clean, reusable UI components.
- Transform detailed UI/UX mockups into performant, maintainable front-end components.
- Collaborate closely with backend developers to ensure seamless, non-painful integration, following best practices for API design and data exchange.
Requirements
- 4+ years of experience in frontend development using modern frameworks such as Next.js or Angular.
- Strong experience with state management
- Experienced in rendering and handling large volumes of realtime data
- Understanding of balancing between SSR and CSR for optimal performance.
- Experience following structured development processes.
Work Approach
- You care about the developer experience as much as the end-user experience.
- You work well in cross-functional teams and enjoy turning complex ideas into clear, functional UI.
- You find the balance between moving fast and building for the long term.
- You think critically about build-vs-buy decisions balancing speed, cost and control.
Bonus Points
- Experience with backend tools such as:
- Nest.js, PostgreSQL.
- Understanding of API architecture, event-driven systems, distributed services.
- Angular experience is a significant advantage - we prioritize candidates comfortable with both ecosystems.
- Experience working on high-load systems with performance in mind.
- Hands-on experience with D3.js for building dynamic, data-driven visualizations.
- Experience working in FinTech, WEB3 or other fast-paced, data-heavy domains.
How to apply - Only apply if this role genuinely excites you - we arenβt just hiring a position. If you are simply looking for a job, this probably isnβt the right place.
- Take a moment to explore what Balancify is building. If youβre curious, if our mission speaks to you and you see yourself growing with us - wed love to hear from you.
- Write us a short, honest note about why you see your future at Balancify.
- Please donβt use AI to write cover letter. We are looking for people who think independently and care deeply - not just about what they do, but why they do it.
- We care most about: your tight focused skills - the ones that fit today.
- Your soft skills and mindset. The value you able to bring into the room.
- Even if your breakdown doesnβt obviously match, help us understand how it does - or could.
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Β· 217 views Β· 39 applications Β· 12d
Junior Digital Marketing Specialist
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 0.5 years of experience Β· B1 - Intermediate Ukrainian Product πΊπ¦ABOUT US: BetterMe is a health & wellness platform providing a tailored holistic approach to well-being. Since 2017, we have been on a mission to create a healthier world for everyone, regardless of age, sex, physical ability, or background. Our goal is...ABOUT US:
BetterMe is a health & wellness platform providing a tailored holistic approach to well-being. Since 2017, we have been on a mission to create a healthier world for everyone, regardless of age, sex, physical ability, or background. Our goal is to make a healthy lifestyle accessible to everyone so they can achieve long-term health benefits.
YOUR IMPACT:- Assist marketing team with operational tasks;
- Deliver research on marketing activities and analyze content within the Health & Fitness sphere;
- Generate ideas for new advertising campaigns;
- Reviewing advertisements to ensure alignment with company policies and guidelines;
- Configure, launch, conduct advertising campaigns on Facebook/Google/etc;
- Monitor performance of marketing campaigns, look for the causes of deviations and opportunities for growth;
- Set technical task for creative and content teams.
ABOUT YOU:
- Junior marketing specialist or fresh graduate (degree in Marketing/ Economy/ Business/ Analytics);
- Intermediate or higher level of English;
- Desire to start/continue career in digital marketing in one of the biggest Health&Fitness Ukrainian Tech companies;
- High attendance to details, good analytical & research skills;
- Quick and self-motivated learner;
- The most important thing is your mindset and desire to generate ideas, come up with solutions to given tasks.
WILL BE A PLUS:
- Experience in any area of digital marketing;
- Experience of working with Facebook Ads Manager or Google Ads Manager or certification in digital advertising platforms.
Our mission is creating happiness within since we believe that having your mind and body in complete harmony is key for overall health and quality of life. We plan to capture the growth of the Global Health Market, and our ideal candidate will focus on building the largest healthtech company in the world. πͺ
The success of the product became possible through the hard work and dedication of 400+ talented and forward-thinking employees who are true experts in their field. We're one of the biggest partners of Facebook, Google, Snapchat & Twitter within the CEE region.π
Our company is built on the ability to find the best people and provide them with everything needed to stay focused on whatβs important to make our users even healthier, sportier, happier and better! We create a business environment that brings up best in everyone. We have no bureaucracy, and we give our colleagues complete freedom to make decisions and achieve brilliant results.π
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Β· 38 views Β· 4 applications Β· 5d
Sales Development Representative (Polish Speaking)
Full Remote Β· Ukraine, Poland Β· Product Β· 1 year of experience Β· B1 - IntermediateHi there! Looking for a career in B2B sales? Do you want to work with European markets and enhance your skills in multichannel client acquisition? At giftmall, we are looking for a Sales Development Representative (SDR) to help us expand our presence in...Hi there!
Looking for a career in B2B sales? Do you want to work with European markets and enhance your skills in multichannel client acquisition?
At giftmall, we are looking for a Sales Development Representative (SDR) to help us expand our presence in the Polish market. If you enjoy market research, testing various client engagement strategies, and working with international companies, weβd love to meet you!
Whatβs most important for this role?
β Fluency in Polish β both written and spoken. This is a key requirement, as you will be working with Polish clients.
β Experience in client acquisition β at least 1 year in SDR, Lead Generation, or B2B sales. We are looking for someone who understands the principles of identifying and engaging potential clients.
What will you be doing?
πΉ Conducting market research and analyzing potential clients.
πΉ Using LinkedIn, email, and other tools for client acquisition.
πΉ Testing various engagement strategies β A/B testing, automation, etc.
πΉ Managing CRM (HubSpot) and keeping data up to date.
πΉ Actively collaborating with the Sales team.
What would be a plus?
β Experience with CRM systems (HubSpot, Pipedrive, Salesforce).
β Knowledge of automated client acquisition tools.
β English language skills at Intermediate+ level.
What do we offer?
π° Competitive salary β tailored to your skills and experience.
π‘ Flexible remote work model.
π Training & mentorship β we provide access to courses and webinars to help you grow as a professional.
π Annual Performance Review meetings β to discuss your achievements and progress, ensuring your career growth and job satisfaction.
π Official employment, paid vacations, and sick leave β we care about your well-being and work-life balance.
π Discounts and corporate gifts β extra perks to make your work even more enjoyable.
How does the hiring process work?
1οΈβ£ HR interview.
2οΈβ£ Interview with the Head of Sales.
3οΈβ£ Test assignment.
4οΈβ£ Job offer! π
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π© Interested in joining us? Send us your CV β weβd love to meet you! -
Β· 441 views Β· 53 applications Β· 19d
Trainee AI Business Analyst
Full Remote Β· Ukraine Β· B1 - IntermediateQATestLab is an international provider of independent testing services with over 20 years of experience in delivering quality assurance support across various industries β from e-commerce, banking, and healthcare to gaming, media, and telecommunications....QATestLab is an international provider of independent testing services with over 20 years of experience in delivering quality assurance support across various industries β from e-commerce, banking, and healthcare to gaming, media, and telecommunications. Our service portfolio includes manual testing and test automation for web, desktop, mobile, and cloud applications.
Within our internal development department, we are building a new division focused on implementing AI tools and automating internal processes. We are currently looking for a Trainee AI Business Analyst to join this team β someone who can help transform ideas into practical AI-driven business solutions focused on marketing.
We expect that you:
- Have experience using ChatGPT, Claude AI, Gemini, or other alternative AI models
- Work confidently with prompts, understanding semantic structure and logical flow (Question β Context β Action)
- Understand key AI concepts such as LLMs, RAG, Web Search, Deep Research, AI assistants, and AI agents
- Have basic knowledge of tokenization and the limitations of modern LLMs
- Possess English language skills (written and spoken) at B1+ level or higher
Nice to have:
- Basic theoretical background in any programming language and familiarity with JSON format
- Basic understanding of SQL
- Basic knowledge of Git
- Basic knowledge of marketing fundamentals
Main responsibilities:
- Write, structure, and test prompts for major trending AI models professionally
- Evaluate the accuracy, clarity, and quality of AI outputs, and improve them quickly when needed
- Create, maintain, and migrate knowledge bases for AI assistants and agents focused on the marketing domain
- Use AI models to process marketing materials β textual, visual, and analytical
- Maintain a library of βbest prompts,β document logic, tags, and variables
- Integrate prompts into software solutions
- Use, integrate, and configure AI agents on no-code platforms (n8n, OpenWebUI, Chatbase, etc.)
- Independently or collaboratively determine business needs through direct communication with company management
We offer:
- Flexible working hours: starting from 8 to 11 AM; full-time
- Possibility to work remotely
- Decent compensation with regular reviews based on the results
- 100% reimbursement with sick leave letter, 18 days off
- Mentor support at the beginning
- Free English and QA courses
- Developed corporate culture, loyalty, and assistance programs
We will be glad to see you as part of the team!
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