Jobs at Djinni

 
About the Project:
We are launching a new product business unit – an HRM system. We are looking for a Full-stack Developer to join our team and work on developing this web-based solution. The ideal candidate should have extensive experience in Node.js, Nest.js, TypeORM, Webpack, React, PostgreSQL, Redis, and GraphQL.
 
Responsibilities:
 

• Design, develop, and maintain an advanced web-based HRM system.
• Work closely with the team to gather project requirements and develop technical solutions.
• Write high-quality, maintainable code following modern programming practices.
• Implement and maintain both front-end and back-end functionality.
• Work with PostgreSQL and Redis databases.
• Create and integrate GraphQL APIs.

 
Core Tech Stack:
 

• Node.js
• Nest.js
• TypeORM
• Webpack
• React
• PostgreSQL
• Redis
• GraphQL

 
Team Composition:
Our team of professionals includes a Product Manager, Product Designers, a Tech Lead, a Team Lead, several Senior Full-stack Developers (who are feature owners), and a QA Engineer.
 
Requirements:
 

• 5+ years of experience as a Full-stack Web Developer.
• Strong proficiency in JavaScript/TypeScript.
• Expertise in Node.js, Nest.js, TypeORM, Webpack, React, PostgreSQL, Redis, and GraphQL.
• Proven track record of writing clean, maintainable code.
• Experience with Agile development methodologies.
• Excellent communication and collaboration skills.
• Ability to work independently and remotely.
• Strong problem-solving and analytical skills.

 
Frequently Asked Questions:
Does the job come with a probation period?
Yes, there is a three-month probation period.
 
What is the expected work schedule?
Full-time, flexible, but please start no later than 11:00 AM (average 8 hours per day). The Kyiv office is open from 9:00 AM to 8:00 PM. You can work remotely or choose a hybrid mode.
 
How many vacation and sick days are provided?
 

• Annual paid vacation – 21 working days;
• Paid confirmed sick leave;
• 6 unconfirmed sick days/days off per year.

 
What benefits are offered?
 

• English courses (up to $80/month after the probation period);
• Compensation for a sports center subscription (up to $80/month after the probation period);
• Medical insurance (50% after the probation period) or $200 per year for healthcare;
• Corporate events.

 
Hiring Process:
 

1. HR call with a recruiter;
2. Interview with the hiring manager (1 hour);
3. Trial day (paid);
4. Offer for cooperation with Develux.

 
We believe that people with different perspectives and experiences drive innovation, helping us create unique solutions.
Note: Feedback regarding CV review results will be provided only if we decide to move forward with your application. Otherwise, your data will be retained in our database, and we will contact you if a suitable opportunity arises. The review process takes up to 10 working days.

What are we doing?
Develux is an IT software development company focused on the US market. Since 2014, we’ve excelled in four business units, growing to 250+ dedicated specialists ready for new challenges.

Project Overview
We operate in ed-tech, helping hundreds of thousands of students with academic needs. Our platform offers academic paper writing services, allowing clients to select work types, set requirements, and communicate directly with authors. We’re continuously expanding our product’s functionality to enhance customer experience and improve financial results.

We are looking for you if you have: 
- 3+ years in Product Management
- Experience with products in US market
- Proven track record of driving user and market research initiatives
- Proven process os 
- Track record of improving key product metrics

It would be an advantage if:
- EdTech industry background
- Background in implementing JTBD framework

Hard Skills:
1) Research & Analysis
- A/B Testing and experimentation
- User behavior analytics tools

2) Business & Metrics
- Unit economics
- Customer segmentation
- Monetization modeling
Responsibilities: 
1) Research & Discovery
- Analyze user behavior and identify improvement opportunities
- Map and validate customer archetypes and their needs
- Transform customer insights into actionable business value
- Drive research into educational market segments and requirements

2) Product Strategy & Planning
- Own product vision and roadmap for assigned area
- Set and track product metrics and KPIs
- Prioritize product opportunities based on user needs and business impact

3) Development & Delivery
- Collaborate with product designers, UX researchers, product analysts and developers
- Manage product backlog and sprint planning
- Monitor and optimize product performance

4) Optimization & Growth
- Drive improvements in core product value proposition
- Identify opportunities for product expansion
- Monitor and improve key metrics for assigned area

5) Communication & Collaboration
- Work closely with operations and support teams
- Communicate product updates and performance to stakeholders
- Collaborate with marketing on product positioning and acquisition
- Present product insights and recommendations to leadership
Working conditions
-Work life balance and flexible working hours (start of the day from 9:00 to 11:00 and 8 working hours + 1-hour lunch)
-Payment of income in USD every 1 of the month
-Compensation of trainings / courses up to 100%
-English Classes (up to 80 USD/month after successfully completing the probation period)
-Sports activities compensation (up to 80 USD/month after successfully completing the probation period).
⁃Medical insurance (50% after successful completion of the probation period) or $200 a year for health care.
-Pizza Fridays/teambuilding/corporate lunches
-Development in a team of experienced and open-minded professionals who are open to suggestions for process improvement
 
Questions and Answers:
-Do you have an office that works in the absence of light?
Yes, of course! Our office is equipped with everything necessary, ensuring uninterrupted work, even during blackouts.
 
-Can I work remotely from another country?
Yes. We understand the importance of being safe.
 
-Do you cooperate with Russia and its citizens?
No. Our company was founded in 2014, and even then, we understood that Russia is an aggressor country, and we do not want to have any relations with it.
 
Hiring process:
- Screening call with our recruiter (1 hour)
- Technical interview with the Hiring manager (1-1.5 hours)
- Final interview
- Reference check
- Proposal for cooperation with Develux
 
Please note that feedback with results of the CV review will be provided only in the event of a decision to further consider your candidacy.
Otherwise, your data will be retained in the company's CV database, and we will gladly contact you if a suitable vacancy becomes available. The consideration period is 10 working days.

We are the creators of a new fintech era!
Our mission is to change this world by making blockchain accessible to everyone in everyday life. WhiteBIT is a global team of over 1,200 professionals united by one mission — to shape the new world order in the Web3 era. Each of our employees is fully engaged in this transformative journey.
We work on our blockchain platform, providing maximum transparency and security for more than 8 million users worldwide. Our breakthrough solutions, incredible speed of adaptation to market challenges, and technological superiority are the strengths that take us beyond ordinary companies. Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT and VISA.

The future of Web3 starts with you: join us as a Data Analyst!

Requirements

— 3+ years of experience as a Data Analyst / Quant Analyst / Risk Analyst.
— Strong proficiency in Python (pandas, numpy, pyarrow, SQLAlchemy).
— Deep knowledge of SQL (analysis, aggregation, window functions).
— Experience with BI tools (Tableau, Grafana).
— Scripting experience in Python for automation and report integration.
— Solid understanding of trading principles, margining, VaR, and risk models.
— Proven ability to work with large-scale datasets (millions of rows, low-latency environments).
— Experience working with technical teams to deliver business-oriented analytics.

Responsibilities

— Build and maintain analytics for PnL, risk, and positions.
— Monitor key performance and risk metrics.
— Develop and optimize ETL/ELT pipelines (both batch and real-time).
— Configure and enhance BI dashboards (Tableau, Grafana).
— Support alerts and anomaly detection mechanisms.
— Work with internal databases, APIs, and streaming data pipelines.
— Collaborate closely with risk, engineering, and operations teams.
— Contribute to the development of the analytics platform: from storage to visualization.

Work conditions

Immerse yourself in Crypto & Web3:
— Master cutting-edge technologies and become an expert in the most innovative industry.
Work with the Fintech of the Future:
— Develop your skills in digital finance and shape the global market.
Take Your Professionalism to the Next Level:
— Gain unique experience and be part of global transformations.
Drive Innovations:
— Influence the industry and contribute to groundbreaking solutions.
Join a Strong Team:
— Collaborate with top experts worldwide and grow alongside the best.
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 30 calendar days of paid leave.
— Additional days off for national holidays.

With us, you’ll dive into the world of unique blockchain technologies, reshape the crypto landscape, and become an innovator in your field. If you’re ready to take on challenges and join our dynamic team, apply now and start a new chapter in your career!
Let’s Build the Future Together!

WhiteBIT offers all candidates an equal opportunity to join the team. All hiring decisions are made without regard to race, national origin, gender identity or sexual orientation, age, religion, disability, medical condition, marital status, familial status, veteran status, or any other legally protected characteristic of an individual.

About Us:
Right now Snotor is looking for a Upwork Sales Manager. We offer IT-outsourcing services all over the world and give you an opportunity to work on interesting and powerful projects.

First of all, we need good, independent specialists. to take our lead generation and client acquisition to the next level.

Responsibilities:

• Manage and optimize the company’s Upwork profile(s).
• Search for relevant jobs and submit high-quality proposals.
• Communicate with potential clients, qualify leads, and close deals.
• Build and maintain long-term relationships with clients.
• Collaborate with internal teams (PMs, developers, designers) to prepare estimates and project proposals.
• Track performance and report on KPIs.

Requirements:

• Proven experience with Upwork (at least 1 year of active sales).
• Strong written English and excellent communication skills.
• Solid understanding of IT services / digital product development.
• Ability to write clear, engaging proposals tailored to client needs.
• Self-driven, organized, and result-oriented.

Nice to Have:

• Experience in other freelance platforms (e.g., Freelancer, Toptal).
• Background in project management or tech.
• Knowledge of CRM tools and lead tracking.

We Offer:

• Salary according to qualifications and experience;

• Official employment;

• 21 working days of paid vacation;

• 14 days paid sick leaves;

• Work on challenging web application projects which we deliver to our

clients from all over the world (North America, Europe, Australia, Asia).

📌 Job Title: Manual QA Tester (Part-Time / Freelance)

🛠️ Job Description: We are looking for a detail-oriented Manual QA Tester to help test our web application. Your role will be to perform testings, find bugs, and report issues clearly. 

🔍 Responsibilities: Manually test features based on provided test cases or functuonality review Report bugs with clear steps to reproduce Verify bug fixes and do basic regression testing Provide quick feedback on usability and issues 

✅ Requirements: Basic experience in QA testing

Ajax Systems is an international technology company and the largest developer and manufacturer of Ajax security systems with smart home capabilities in Europe. It’s a comprehensive ecosystem of 180 devices, mobile and desktop applications, and server infrastructure. Every year, we demonstrate exponential growth in both the size of our team and our global user base. Today, the company employs over 4,100 people, and Ajax devices protect 3.5 million users in more than 187 countries worldwide.

We are looking for a new team member to help us become even more effective! Behind the success and ambitions of our company stands a strong team of professionals. We are looking for a new player to join us and contribute to our growth!

Responsibilities:

• Provide administrative and/or technological support for contract administration, customer service, and order history management.
• Assist the Business Development Manager in driving sales.
• Register and forward contracts for the Business Development Manager, prepare presentations, work in 1C, and manage tasks using Jira.
• Oversee the process of delivering goods to customers in cooperation with logistics and production departments.
• Support he Business Development Manager in expanding and developing relationships with clients, as needed.
• Respond to customer inquiries.
• Build strong relationships with clients while maintaining high-quality customer service.

• Develop a deep understanding of all systems interacting with clients.

   

Requirements:

• Experience in working with 1C (a plus).
• Experience in export (a plus).
• Proficiency in English at the B2 level.
• Experience with Google Docs and MS Office.
• Experience with customer interaction and document management.
• Ability to work with numbers, attention to detail, and organizational skills.
• High level of responsibility.

• Ability to work well in a team and interact effectively with colleagues.

   

We offer:

• A dynamic team and a zero-bullshit culture.
• Flexible working hours at the office.
• Diverse projects and professional growth opportunities.
• English language lessons.
• Health insurance.

• Ajax security system kit (participation in the beta testing project—getting and testing new gadgets before their official release).

   

Join the Ajax Systems team to make Made in Ukraine synonymous with reliability!

Required skills

• 5+ years of proven experience in Software development
• Strong knowledge of the Laravel framework is a must
• Deep understanding of SOLID principles, design patterns, and PSR standards
• Experience with SQL (MySQL), query optimization, joins, aggregations
• A clear understanding of TDD, BDD
• Experience with *nix
• Understanding Git versions control system
• A clear understanding of how to write DRY, KISS and optimized for high-load code
• Experience working with the Docker environment, container registry
• Event-driven architecture practical usage

• Development workflow knowledge (SDLC), Jira

   

As a plus

• Experience with Unit tests

• Experience with queues/messaging (RabbitMQ) 

   

Must have personal qualities like

• Ability to work in a team
• Good analytical skills and attention to details
• Ability to understand someone else’s code

• At least an Intermediate level of English

   

Opportunities

• Build a successful product that grows dynamically within the US market
• Professional and career growth
• Possibility to propose solutions to a project

• Realization of your innovative ideas in building new solutions and services

   

We offer

• Dynamic and challenging technical tasks
• Long-term employment
• Compensation for certifications, conferences, training, and other working events
• Work in a unique professional, friendly and supportive environment
• Informal style of leadership and communication

Reasons to join the team

• Build a successful product that grows dynamically within the US market
• Friendly and open-minded co-workers
• Career development opportunities
• The right tools you need to be successful

Position: Junior PHP Developer (Support & Maintenance – Crypto Projects)
Location: Remote 
Employment Type: Full-Time / Part-Time
Reports To: Lead Developer / Technical Manager

Overview:
We are seeking a motivated Junior PHP Developer to join our fast-paced development team working on cutting-edge crypto and fintech platforms. This role is ideal for someone eager to grow in web development while actively supporting users and maintaining live systems. You will primarily assist in resolving technical support tickets and performing small development tasks in our PHP-based infrastructure.

Key Responsibilities:

• Monitor and respond to technical support tickets, providing effective solutions to users in the crypto space.
• Troubleshoot and resolve minor bugs or inconsistencies in PHP codebases.
• Execute basic code updates, database queries, and content adjustments as needed.
• Collaborate with senior developers to escalate complex issues and maintain platform stability.
• Assist in testing new features, fixes, and integrations before release.
• Document common resolutions and contribute to internal knowledge bases.

Requirements:

• Solid foundation in PHP and object-oriented programming (OOP).
• Working knowledge of HTML, CSS, JavaScript, and MySQL.
• Familiarity with PHP frameworks like Laravel or Symfony is a plus.
• Ability to read and understand existing code and contribute to small features or fixes.
• Strong written and verbal communication skills.
• Experience with Git, basic Linux commands, and ticketing/project management tools.
• Understanding of blockchain, cryptocurrency ecosystems, wallets, and smart contracts is a must.

Preferred Qualifications:

• 0.5+ year of experience (academic, freelance, or professional) with PHP development.
• Exposure to DeFi platforms, exchanges, or Web3 technologies.
• Previous experience in technical support or QA roles.
• Knowledge of REST APIs and basic debugging tools.

What We Offer:

• Opportunity to work on real-world blockchain platforms and expand into full-stack development.
• Fast-moving, crypto-native work environment with mentorship and growth potential.
• Remote flexibility and results-driven work culture.
• Career path into backend, DevOps, or Web3 engineering roles.

Position: PHP Developer (Strong Middle – Crypto Platforms)
Location: Remote 
Employment Type: Full-Time
Reports To: Lead Developer / CTO

Overview:
We are looking for a skilled and reliable Middle PHP Developer with a strong understanding of crypto and blockchain ecosystems. You will play a vital role in maintaining and improving our production systems, handling escalated support issues, and contributing to new features across our PHP-based platforms. This role requires technical independence, attention to detail, and a proactive mindset.

Key Responsibilities:

• Investigate and resolve escalated support tickets, bugs, and performance issues.
• Develop and deploy new features, integrations, and modules in existing PHP codebases.
• Optimize code, improve database queries, and contribute to codebase maintainability.
• Collaborate with frontend developers, QA, and support teams to ensure smooth operations.
• Write and maintain clean, secure, and well-documented code.
• Participate in peer code reviews and provide feedback to junior developers.
• Test and deploy changes across staging and production environments.
• Work within agile workflows and contribute to project estimations and timelines.

Requirements:

• 3+ years of professional PHP development experience.
• Strong knowledge of OOP, design patterns, and modern PHP practices.
• Experience with Laravel or Symfony frameworks.
• Solid understanding of MySQL and writing optimized queries.
• Hands-on experience with REST APIs, Git, and CI/CD pipelines.
• Strong familiarity with Linux command-line tools and server-side debugging.
• Crypto knowledge is a must – understanding of wallets, tokens, smart contracts, and Web3 interactions.
• Ability to take ownership of assigned tasks and deliver independently with minimal supervision.
• Strong English communication skills, especially in writing and technical documentation.

Nice to Have:

• Experience with frontend technologies (React, Vue, or plain JS).
• Familiarity with blockchain APIs, RPC nodes, or Web3 libraries.
• Experience integrating payment gateways or exchange systems.
• Background in fintech, crypto exchanges, or DeFi platforms.

What We Offer:

• Work on high-impact crypto and fintech products used by real users.
• Clear growth path into senior development, DevOps, or architecture roles.
• Remote-friendly culture, flexible hours, and collaborative environment.
• Competitive compensation based on experience and results.
• Opportunity to work alongside experienced blockchain engineers and founders.

We are looking for an AI engineer for Estonian startup Snoika - AI Search Engine Visibility and Optimization SaaS.

Snoika is the results-driven AI Marketing Engine that guarantees 5+ qualified inbound leads per week for B2B companies while making them visible in both AI and traditional search engines. Our platform fuses cutting-edge knowledge-graph analytics, large-language-model (LLM) optimization and high-quality content pipelines to out-rank expensive legacy SEO and GEO agencies at a fraction of the cost.

Why you'll love this role

As one of the first Data Scientists in our growing Data Science Guild, you'll sit at the heart of Snoika's product - building and shipping the models and agents that:

• Scan LLM memory for gaps in brand knowledge (Knowledge-Graph Gap Scan).
• Inject fresh structured signals (schema, Wikidata, press citations) into AI ecosystems at scale.
• Score synthetic Q&A prompts weekly to measure Share-of-Voice.
• Optimize a reinforcement loop that drives > 90% visibility for our customers in ChatGPT, Gemini, Claude, Perplexity, Grok and more.
• Generate high quality articles with images at scale.

Every sprint you'll see your work go live, creating measurable uplifts in traffic, leads and revenue for venture-backed SaaS brands, fintechs, deep-tech companies and Fortune 2000 enterprises.

What you'll do

• Design, build , and deploy end-to-end agentic pipelines using n8n, Python, Hugging Face plus LangChain for chain orchestration and LangSmith for debugging, testing, and live observability of LLM flows.
• Develop production-grade RAG systems with LangChain's retrieval templates and vector databases (Pinecone, Qdrant, Weaviate) to surface knowledge gaps and optimize keyword coverage.
• Run systematic prompt-engineering experiments —A/B tests on instructions, system messages, and few-shot examples—to maximize precision/recall and minimize hallucination.
• Deploy agentic frameworks (eg, LangChain Agents, autonomous task loops) that automate Knowledge-Graph Gap Scans, content generation with images, and weekly Share-of-Voice scoring.
• Integrate Anthropic's Model Context Protocol (MCP) so Claude, GPT, and Gemini can pull fresh structured data (schema.org, Wikidata, press citations) from secure endpoints.
• Architect scalable data workflows on modern cloud stacks (eg n8n, GCP/AWS, BigQuery, DuckDB, Polars, Spark).
• Partner closely with Product, Growth and Engineering in one-week Scrum sprints; demo results to the team and customers and iterate fast.
• Track and own model KPIs such as precision/recall of entity extraction, share-of-voice uplift, and lead-conversion impact.
• Contribute to our results-based culture: "If we don't hit the KPIs, we extend services at no cost - until we do."

What we're looking for

• 1+ years of hands-on experience in AI / ML engineering or data science
• Fluency in Python or NodeJS plus modern LLM tooling: LangChain / LangSmith, prompt-engineering, major LLM APIs (OpenAI, Anthropic, Gemini); experience fine-tuning or deploying models is a big plus.
• Know-how with vector embeddings and search (Pinecone, Qdrant, Weaviate) and solid data-engineering chops: SQL, data modeling, orchestration (Airflow, n8n, Prefect, dbt).
• Comfort working in an Agile/Scrum environment, shipping to production every sprint.
• Familiarity with RAG workflows, marketing analytics, SEO / GEO / AIVO, ranking or recommender systems is highly valued.
• Familiarity with Text-to-Image models is a big plus.
• Startup DNA: you bias to action, navigate ambiguity and own outcomes end-to-end.
• Good spoken English; any other language is a bonus.

What we offer

• Impact from day one - your models directly drive our customers' leads and revenue.
• Competitive salary and opportunity for career growth.
• Senior peers & advisors - work alongside PhDs who've worked with NASA, Google, Microsoft, Bosch and more.
• Fast growth - startup scaling revenue and product lines quarter-over-quarter.
• Remote autonomy & flexible hours - we care about output, not chair time.

If you're excited to push the boundaries of AI Search Engine Visibility and Optimization, and want to help shape the future of marketing technology, we want to hear from you!

UNIGOX is building a marketplace that enables trustless and automated person-to-person crypto-to-cash exchange.
 

We're founders with a proven track record (Paxful, BabyDoge - millions of users, serious volume). 
 

You should apply if:

• You've shipped real React Native apps to production (App Store/Play Store links required)
• You've integrated Web3 wallets into mobile apps. Show us you have a Web3 wallet you've used for development (we need PROOF you have skin in the game)
• You're ready to own your work 100% (when it breaks at 2 AM, YOU fix it)
• You deliver results, not excuses
   

Don't apply if:

• You think you're too good to use AI for development
• You need a babysitter to test your code
• You can't handle brutal honesty and direct feedback
• You value comfort over growth
   
• OUR PRINCIPLES:
• Security first (we handle money, not cat photos)
• Impact > Effort (we don't care how hard you tried, we care what you DELIVERED)
• Product thinking IS EVERYTHING
• Dive DEEP into details and understand the WHY behind decisions
• Build for regular humans (if they have to think, you failed)
• Keep your team informed about your work, challenges, and solutions
   

Tech stack:

• React Native
• Web3 integrations (ethers.js, wallet connect)
• Native modules (biometrics, secure storage, camera)
• MobX for state management
• Firebase, push notifications, deep linking
• iOS and Android deployment
   

THE REWARDS:

• Double your salary in MONTHS, not years! Show your worth, then ask!
• Equity upside (we win, you win!)
• Work with people who push boundaries and refuse mediocrity
• Build something that will change finance forever
   

We're not for everyone. We're for builders who want to create something meaningful with a team that won't settle for average.
 

If you're ready to own your work, push your limits, and help build the future of finance, let’s talk TODAY!
 

About UNIGOX

UNIGOX is your fastest way to buy, sell, swap, or receive crypto at the best rates. 

Under the hood, we use blockchain rails as well as ZK technology to verify payments

 We’re looking for a  Motion Designer/ Creative manager for a product IT

company that creates AI and neural network-based tools to help professional

photographers work more efficiently.

The product has been recognized by customers in over 50 countries around the

world.

Company products: a desktop application for Windows and macOS for photographers (B2C)  

The  performance marketing team  UA( Meta/Google) & creative producer 

Main market - Tier1, Tier 2

Location: Remote from any country or office Kyiv 

Сonditions: Competitive salary, remote mode (Full-time), career and financial  growth, 

 paid vacation and sick leave and many other benefits.

Requirements: 

• 2+ years of experience in creative development in product companies operating in the international market.
• Experience working in acquisition teams and understanding the principles of interaction in them.
• Ability to independently organize workflow for daily production of 20-30 creatives per week.
• Proficiency in Adobe After Effects for editing video for Meta/TikTok formats, ability to apply effects.
• Hands-on experience with AI tools for voice/narrator generation 
  
   

Will be a plus:

• Proficiency in Photoshop, basic skills in Lightroom and Capture One
• An understanding of professional portrait post-processing.

Responsibilities: 

• Create video and graphic ad creatives for performance campaigns (Meta, TikTok, etc.).
• Maintain a steady output of 5 unique creatives and  25 variations of them per week, aligned with the team’s goals.
• Test and iterate on new creative concepts, formats, and advertising approaches.
• Edit video, apply effects, and use AI-generated voiceovers or narrators when applicable.
• Collaborate closely with the acquisition team to brainstorm, analyze performance, and optimize creatives.

Description

The client is one of the world’s leading providers of elevators, escalators, and moving walkways, as well as maintenance and modernization services. The group operates in over 100 countries and has production sites and research and development facilities in the US, Brazil, Europe, China, and India. In other words, we all use their products on a daily basis.

Requirements

Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field
2-3+ years of experience in software testing with a solid understanding of QA fundamentals
Strong experience in writing and executing test plans, test scenarios, and test cases
Experience creating test automation libraries and test suites for REST APIs
Experience with cloud-based application deployments and troubleshooting
Experience working in an Azure environment will be a big plus
Knowledge of source control management, coding standards, code review, and build and release processes
In-depth practical knowledge of Pytest and Playwright and experience in data mocking
Upper-intermediate level of English
Knowledge of communication protocols is required: MQTT
Experience with embedded software testing is desired

Job responsibilities

The expectation from this position is to help build an automated test platform.

• Learn about elevators and escalators world
• Design automated test cases for elevators and escalators
• Participate and assist in project planning
• Collaborate closely with Architects, Developers, DevOps, Product Owners, and other QA team members to produce high-quality products
• Be responsible for the quality of the delivered functionality/product

Learn about elevators and escalators world
Design automated test cases for elevators and escalators
Participate in project planning

Our mission is to break down the barrier between traditional and decentralized finance. We aim to create an environment where trust in decentralized financial services is taken to a whole new level.

About your future job: Complete Independence We operate on our own capital, without pressure from external investors, allowing us to make decisions solely in the users’ best interest. High-Stakes CTO Role You’ll have the opportunity to implement cutting-edge technologies and collaborate with top-tier teams in both CeFi and DeFi markets. Ownership Culture You will make critical decisions and build everything “from scratch”—from team composition to system architecture. Global Scale Our architecture is designed to serve users across Europe, the United States, and the APAC region. Participation in Major Conferences & Global Community We regularly represent the company at world-class events (Blockchain Life, TOKEN2049, ETHGlobal) and build a network of industry leaders.

Main Responsibilities

System Architecture Design Design high-performance micro- and nano-services with sub-50 ms latency, ensuring security, fault tolerance, and horizontal scalability.

Algorithmic Order Routing Build distributed systems for routing orders between DEXs and CEXs (AMM, RFQ, order books). This includes route optimization, liquidity aggregation, and slippage management.

On-Chain Collateral Mechanisms Develop Solidity smart contracts for collateral management: deposits, LTV calculations, and automatic liquidations via Chainlink (with fallback execution).

Custodial Infrastructure Implement MPC/threshold-signature protocols, set up robust hot and cold wallet infrastructure, and establish off-site recovery procedures for rapid restoration of access.

Hard Skills

Blockchain & DeFi

Production-Ready Smart Contracts in Solidity. Experience with Collateral, Liquidity, Perpetual modules, and other DeFi components.

Deep Understanding of DEX Architecture, AMM, RFQ, order books; DeFi derivatives; integration and interaction with oracles
(Chainlink, Pyth, etc.).

Experience Building Hybrid On-Chain/Off-Chain Solutions, Fallback execution mechanisms, delay logic, and fee optimization.

Banking Protocols & Integrations SWIFT, SEPA, ISO 20022.
Implementation of settlement windows, clearing processes, and reconciliation procedures.

Designing Resilient, High-Volume Pipelines Ensuring uninterrupted transaction processing and real-time monitoring.

Direct Integration with Exchange and Banking APIs. Setting up monitoring, alerts, and SLA controls.

C++ & Low-Latency Systems

Development of Micro- and Nano-Services, achieving sub-50 ms latency for routing and order execution between DEXs and CEXs.

Experience with Kafka, ZeroMQ, DPDK, RDMA. Optimizing trading components for ultra-low latency.

Knowledge of Multithreading Patterns and Lock-Free Structures. Familiarity with system calls and performance profiling/debugging.

Networking & Architectural Solutions

Routing Algorithms Between DEX and CEX and accounting for liquidity depth, slippage, and fees when choosing optimal routes.

CI/CD and Monitoring, setting up GitHub Actions pipelines and Prometheus + Grafana for metrics tracking.

Secure Custodial Infrastructure: Implementing MPC, threshold signatures, fallback plans, and designing hot/cold wallet
architecture.

Artificial Intelligence & Automation

Understanding of LLMs and Hands-On AI Experience Integrating GPT-like or other large language models into business processes.

Process Automation with AI Building data-analysis, forecasting, and optimization pipelines using AI.

Other requirements

Leadership Qualities & Result Orientation Think like a business owner: strive for maximum impact both in short-term profit and in growing the company’s P&L and strategic stability.

Entrepreneurial Mindset No “9-to-5 office” approach: work when it’s truly necessary to push the project forward. Value not just research for its own sake, but the implementation of solutions that generate real business value. Aim to make the product a technological and financial leader, competing with the largest DeFi projects and traditional banking institutions.

Strategic & Financial Thinking Clearly understand how “banking processes ↔ DeFi” fit into the business model and how to scale the P&L.

Teamwork & Communication Able to clearly and persuasively convey complex technical concepts to non-technical teams (compliance, finance). Enjoy collaborating—whether with engineers, traders, or analysts—and take responsibility for what’s needed, not just what falls within “your zone.”

Ambition to Be at the Top Desire to be the best and work with the best: embrace complex challenges, high stakes, expansion into new markets, and adoption of cutting-edge technologies.

Would Be a Plus

Experience at early-stage fintech startups (USA/Europe) and knowledge of VC processes (Series A/B)

A successful ICO or Seed/Series A case: understanding of tokenomics and legal nuances

Hands-on experience with DeFi derivatives (perpetuals, options)

Experience building multi-cloud architectures (AWS, GCP, Azure) and global deployments

About Us

Magic Advertising is an Israeli company that's reshaping the online dating industry worldwide. We're growing rapidly, constantly experimenting, unafraid of new challenges, and looking for strong team players. We are currently hiring a Senior Performance Marketing Manager who is ready to take full ownership of strategy and scaling paid traffic across global markets.

Who We're Looking For

We're seeking an experienced, results-driven professional for whom digital marketing is more than just a job—it's a business growth tool. If you think strategically, confidently manage large budgets, stay up to date with marketing tools, and are ready to take responsibility for outcomes—welcome aboard.

Responsibilities:

• Develop, implement, and scale performance marketing strategies on platforms such as Google Ads (mandatory), Facebook, TikTok, Bing, Snapchat, and others.
• Confidently manage high budgets with a focus on ROI and profitability.
• Create acquisition funnels, test hypotheses, and run A/B tests.
• Analyze user behavior, market trends, and competitors using Google Analytics, BI tools, and Excel/Google Sheets.
• Produce effective creatives and prepare technical briefs for designers and copywriters.

• Generate reports, analytics, and insights for senior management.

   

Requirements:

• 3+ years of relevant performance marketing experience with a strong focus on Google Ads.
• Hands-on experience with multiple paid traffic sources (Google Ads is required, plus at least one of: Facebook, TikTok, Bing, or Snapchat).
• Experience working with international markets (US, Europe, UK) is required.
• Proficient in handling large data sets, working with Google Sheets, Excel, Google Analytics.
• Understanding of unit economics, CPL, CPA, LTV, ROAS, ROMI.
• Experience in developing creative concepts for banners, videos, and landing pages.

• Ability to think strategically, propose new approaches, and carry them through to execution.

   

We Offer:

• Fully remote work and flexible hours.
• Competitive salary paid in USD, always on time.
• 20+ paid vacation days per year.
• Opportunities for professional growth and implementation of your own ideas.
• Access to learning platforms like Udemy, and more.

• A team of strong, ambitious professionals who are a pleasure to work with.

   

Additional Information:

• A trial task will be required to assess candidate skills.
• During the onboarding period (6–12 months), a screenshot monitor is used to track productivity