Jobs at Djinni

About Everstake
Everstake is the largest decentralized staking provider in Ukraine and one of the top 5 blockchain validators worldwide. We help institutional and retail investors participate in staking across more than 85 blockchain networks, including Solana, Ethereum, Cosmos, and many others. By building secure, scalable, and reliable blockchain infrastructure, we support the growth of the global Web3 ecosystem and enable the adoption of decentralized technologies worldwide.
 

About the Role
We are looking for a Head of Data Science to own and scale Everstake’s data science and analytics function. This is a hands-on leadership role with a strong technical focus. You will define the data science direction, lead senior-level engineers, and work closely with the CDO, product, engineering, and business teams to drive data-informed decisions across a complex Web3 infrastructure.
You will be responsible not only for analytics and modeling, but also for data architecture, orchestration, performance, reliability, and engineering standards in a fast-growing blockchain environment.

Key Responsibilities:

• Own and evolve data science and analytics architecture across Everstake
• Design and maintain scalable data pipelines, metrics layers, and analytical models
• Lead technical decision-making across data platforms, BI, and orchestration
• Translate blockchain, product, and business problems into clear data solutions
• Define data standards, best practices, and development guidelines
• Review code, data models, and pipelines for quality, performance, and correctness
• Mentor senior data scientists and analysts, provide technical leadership
• Partner closely with product, backend, infrastructure, and finance teams
• Ensure data reliability, observability, and correctness in production
• Actively contribute hands-on where technical depth is required

Requirements (Must-Have):
Seniority & Leadership

• 6+ years of professional experience in data-related roles
• Strong experience as a Senior / Lead Data Scientist or Analytics Engineer
• Proven ability to lead technically strong teams and initiatives
• Ability to balance hands-on execution with leadership responsibilities

Core Technical Skills

• Python — expert level (data processing, analytics, modeling, production code)
• Apache Airflow — 2–3+ years of hands-on experience
   (DAG design, dependencies, retries, backfills, monitoring, failure handling)
   

Databases & Warehouses

• ClickHouse (performance tuning, large-scale analytics)
• PostgreSQL
• Snowflake

BI & Analytics

• Power BI and/or Tableau
• Strong understanding of semantic layers, metrics definitions, and data modeling 

Infrastructure & Observability

• Docker
• Git
• Grafana (monitoring data pipelines and platform health)
   

Data & Systems Thinking

• Strong understanding of data modeling (facts, dimensions, slowly changing data)
• Experience designing KPIs and metrics that actually reflect business reality
• Ability to identify incorrect assumptions, misleading metrics, and data biases
• Experience working with high-volume, high-frequency, or near–real-time data
• Strong SQL skills and performance-oriented thinking

Blockchain / Crypto Domain (Required)

• Practical experience in blockchain, crypto, or Web3 products
• Experience working with blockchain-derived datasets or crypto-financial metrics
• Ability to reason about probabilistic, noisy, and incomplete on-chain data
• Understanding of: Blockchain mechanics (validators, staking, rewards, transactions)
• Wallets, addresses, and transaction flows
• On-chain vs off-chain data

Soft Skills:

• Systems and critical thinking
• Strong communication skills with technical and non-technical stakeholders
• Team-oriented mindset with high ownership and accountability
• Fluent English (B2+ or higher)

Nice-to-Have:

• Experience in staking, DeFi, or blockchain infrastructure companies
• Background in analytics engineering or data platform teams
• Experience building data systems from scratch or scaling them significantly
• Familiarity with financial or yield-related metrics
• Experience working in globally distributed teams

What We Offer:

• Opportunity to work on mission-critical Web3 infrastructure used globally
• Head-level role with real influence on data and technical strategy
• Fully remote work format
• Competitive compensation aligned with experience and seniority
• Professional growth in a top-tier Web3 engineering organization
• Strong engineering culture with focus on quality, ownership, and impact

What needs to be done:

• Development and optimization of automated scripts in BAS (Browser Automation Studio)/ZennoPoster for testing mobile services, bypassing security protections, and interacting with web and mobile interfaces;
• Integration of BAS logic with Python services, REST APIs, and databases;
• Working with anti-fraud solutions and mobile emulators;
• Analysis and bypass of CAPTCHA, anti-bot systems, and JavaScript protections

We are seeking a highly skilled Regular Web Graphics Developer to join our team in the oil and gas industry. The ideal candidate will have extensive experience in developing advanced web-based visualizations and a deep understanding of industry standards. This role requires proficiency in WebGL and Three.js, along with a strong grasp of the graphics rendering pipeline. Experience with Unity or VR is a plus. Additionally, the candidate should possess general cloud development skills and backend expertise, including microservices architecture and experience with AWS and Azure.

Responsibilities:

• Design, develop, and maintain interactive web-based visualization tools for oil and gas data.
• Implement advanced graphics rendering techniques using Angular, TypeScript, Three.js
• Collaborate with geologists, engineers, and other stakeholders to understand visualization requirements and deliver effective solutions.
• Ensure visualizations are optimized for performance and scalability.
• Stay up-to-date with industry standards and best practices in web visualization and graphics rendering.
• Integrate visualization tools with existing data management systems and workflows.
• Develop and maintain backend services using microservices architecture.
• Utilize cloud platforms such as AWS and Azure for deployment and management of visualization tools.
• Provide technical guidance and mentorship to junior developers.

Mandatory Skills Description:

• 3+ years in Graphics development, with a strong emphasis on web-based Visualization applications and tools.
• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Strong proficiency in Angular, TypeScript and WebGL, Three.js
• In-depth knowledge of the graphics rendering pipeline.
• Experience with backend development and microservices architecture.
• Proficiency in cloud platforms such as AWS or Azure.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.
• Ability to work independently and as part of a team.

Nice-to-Have Skills Description:

• Proven experience in web-based visualization development, particularly in the oil and gas industry.
• Familiarity with AI

BMC delivers software solutions that help IT transform digital enterprises for the ultimate competitive business advantage. We have worked with thousands of leading companies to create and deliver powerful IT management services. From mainframe to cloud to mobile, we pair high-speed digital innovation with robust IT industrialization—allowing our customers to provide amazing user experiences with optimized IT performance, cost, compliance, and productivity. We believe that technology is the heart of every business, and that IT drives business to the digital age.

Required skills:

3+ years of Java and Angular experience, developing distributed web systems.

Technical for Java:

• Core Java, RESTful Webservices, Jersey JAX-RS, Activiti BPMN, Eclipse Jetty, Jackson JSON processing, Apache HTTP client, OSGi Eclipse Equinox
• Practical fluency with SQL/DBs is a must and the ability to learn about the deep implementation of the data structure
• Understanding of how to manage expectations and ability to track down the different teams (R&D, DB, etc)
• Knowledge of SSL, SSO
• Linux hands-on experience – RHEL/CentOS preferred – the ability to configure a product on these platforms. Windows for DB side.
• Working experience with Jira/xWiki as tracking and reporting tools
• Knowledge of product lifecycle – the ability to log a bug/get a fix/test it/provide a hotfix for a customer

Technical for Angular:

• Product development experience with a proven track record of delivering high-quality commercial enterprise products
• Industry experience in writing front-end GUIs
• Proficiency in JavaScript, HTML 5 and CSS3
• Proficiency in Angular is a must
• Experience in Cypress, Playwright 
• Good understanding of troubleshooting multi-layered application
• Web Accessibility
• Exposure to, or participation in, user research and usability testing
• Visual design experience

Soft skills:

• Experience and ability to work closely with customers
• Upper-Intermediate English level (written and verbal skills)
• Excellent problem-solving skills and a strong customer service attitude
• Fast & self-learner, team player, organized and responsible, dynamic, and motivated
• Able to rapidly establish a good working relationship with clients, other professionals, and peers
• Ability to effectively work in a distributed team environment

Education:

• BS/BA in Computer Science or Software Engineering

Personal:

 Communication, ability to work to deadlines, result- and client-oriented professional

Desired Skills:

Continuous integration (Jenkins) / builds management experience (Maven)

Agile / Scrum / TDD / XP practice

BMC product experience is a plus

Job responsibilities

• Provide professional technical support by troubleshooting and solving bugs and general issues brought up by clients
• Implement workarounds and provide feedback to product and R&D
• Work closely with the R&D team in order to identify and solve clients’ needs and pain points
• Get familiar with the API, scripts and samples and interact with the client tech teams in order to solve potential issues
• Communication with clients

Looking for a Ukrainian developer in Europe

🚀 Project start: early February
✈️ Business trip: 1 week in Iceland right after start

💻 Tech stack: Next.js,  Vercel, TypeScript,  Node.js

🗣️ Strong English is a must + perfect Soft skills

ABOUT OUR CUSTOMER

We are a European company building exciting new products from scratch for startups and helping mature companies in their journey towards data-driven innovation and AI based solutions.

Our expertise refers to EnergyTech, FinTech,  ClimateTech,  EdTech,  PropTech, etc.  
 

Founded in Ukraine and developed based on Scandinavian culture, HBM is hiring both in Ukraine and the EU for our customers  located in Europe and USA.   

PROJECT  

Our customer provides tourist services in Iceland through several brand websites, all integrated with a CMS and booking systems. They are now rolling out a new web strategy to unify the technology  stack across all channels, migrate to modern solutions, and retire legacy components. The new platform will be built with Next.js, TypeScript, Vercel, Sanity CMS, Algolia, and Sokoni as the primary booking system.  

We’re looking for a  Senior  Fullstack  Developer  with strong  Next.js/TypeScript  experience to work closely with the customer on delivering this strategy.  

WE PROVIDE YOU WITH THE FOLLOWING EXCITING CHALLENGES  

• Participate in end-to-end product development: from design and architecture to implementation and improvement  
• Collaborate with Technical Owner on Customer site to help define the technical vision and roadmap  
• Deliver high-quality code and documentation  
• Identify opportunities for process optimization and automation  
• Work closely with a distributed engineering team in an Agile environment  

WE EXPECT FROM YOU  

• Degree (bachelor or master) in computer science or a comparable course of study   
• 6+ years of software engineering experience using JavaScript/TypeScript   
• Experience with Next.js including API Routes, server components, server actions  
• Proficiency with TypeScript  
• Knowledge of Node.js and serverless architecture  
• Experience deploying on Vercel  
• Experience integrating APIs (REST/GraphQL)  
• Familiarity with CI/CD workflows  
• Familiarity with containerization tools, especially Docker   
• Understanding of caching strategies  
• Understanding of authentication & security best practices  
• High standards for code quality, performance, security, and user experience    
• Excellent communication skills, with the ability to clearly articulate ideas to both technical and non-technical stakeholders  
• English proficiency at an upper-intermediate level  

WOULD BE A PLUS  

• Building and optimizing integrations with Sanity CMS  
• Experience with Algolia (indexing, search queries, filtering)  

WE OFFER YOU  

• Modern technologies, new products development, different business domains.  
• Start-up agility combined with mature delivery practices and management team.  
• Strong focus on your technical and personal growth.  
• Transparent career development and individual development plan.  
• Flexible working mode (remote/work from office), full remote possibility.  
• Competitive compensation and social package  
• Private Entrepreneurs support  
• Focus on the well-being and human touch.  
• Flat organization where everyone is heard and is invited to contribute.  
• Work-life balance approach to work.  
• Passion and Fun in everything we do.  

• Building a risk applications and tools for innovative international top-tier hedge fund from the ground up, comprising the systems for traders, pre-trade checks and analysis, risks and limits management, reports of trading activities, FIX connectivity, market data providers connectivity (e.g. Bloomberg B-pipe), etc.

• Responsibilities:

  Deep Dive Troubleshooting (L3) - Investigate complex production issues. Analyze Unix logs, query databases (SQL), and trace order flows to identify root causes. You solve problems, not just escalate them.
  Technical QA & Testing - Validate technical tasks where standard QA teams might struggle. Test backend logic, data integrity, and complex trading scenarios (e.g., FIX message routing) before they hit production.
  Release Management - Assist with managing the release cycle, ensuring artifact preparation and readiness for the Prod deployment
  Automation & Scripting - Write / maintain scripts (Bash/Python) to automate routine checks, monitoring alerts, and data processing. We want to reduce manual toil.
  Technical Analysis - Translate business requirements into technical specs. You will help bridge the gap between non-technical Business Analysts and Java Developers.

• Mandatory Skills Description:

  6+ years pf exp in Tech Support
  Linux/Unix Proficiency - Comfortable working in the terminal (grep, awk, tail, navigating file systems).
  SQL Knowledge - Able to write queries to select, join, and analyze data (MySQL or similar) to verify system behavior.
  Scripting Basics - Ability to read and write scripts in Python or Bash for automation tasks.
  QA/Engineering Mindset - You verify things thoroughly. You ask "what if?" and try to break the system before the traders do.
  English - Upper-Intermediate (B2) or higher. Clear written and verbal communication is a must.
  Learning Agility - Ready to learn the Financial Domain (Trading, Orders, Allocations) and FIX protocol rapidly.

• Nice-to-Have Skills Description:

  AI-Enhanced Workflow - Experience using LLMs (ChatGPT, Gemini) and coding assistants (GitHub Copilot) to accelerate scripting, debugging, and log analysis. We value smart efficiency.
  FIX Protocol - Familiarity with Financial Information eXchange protocol (tags, messages like NewOrderSingle, ExecutionReport).
  Domain Knowledge - Understanding of the Trading/Hedge Fund lifecycle (Front Office operations).
  Java Literacy - Ability to read Java code to understand logic (coding is not required, but reading is helpful).
  Tools - Experience with Jira, Confluence, and monitoring tools (CloudWatch, Geneos).

• Languages:
  • English: B2 Upper Intermediate

About Us
Uitop is a design & development team that helps B2B SaaS products feel simple, modern, and easy to use.

Job Summary
We are looking for a Sales Development Representative to join our sales team. You’re an open-minded, results-driven individual who takes initiative and enjoys testing different approaches to find the best leads!

You’ll be the first point of contact with potential clients, building relationships through LinkedIn, identifying opportunities, and moving leads through the sales funnel toward intro calls.

What you have:

• A curious and open-minded personality. You are naturally interested in the "why" and "how" of things; you bring energy to your work and avoid a robotic, monotone approach to sales.
• From 6 months of experience in pre-sales, sales, lead generation, SDR or outreach specialist positions.
• Experience in creating email and LinkedIn sequences.
• Proficient in LinkedIn; Experience with outreach automation tools.
• Effectively communicate the company’s value proposition and be able to read through objections and answer competitive questions.
• Understanding of Sales and Marketing principles.
• Intermediate/Upper Intermediate English.
• Proactive, analytical thinker with a sense of humor. We value people who can keep the atmosphere light and engaging.
• Ready to test new ideas; Open to experimenting and finding what works best.
• Results-oriented; Focused on achieving measurable outcomes and improving performance.
• Growth mindset; Committed to constant self-improvement and adapting based on feedback.

Responsibilities

• Manage LinkedIn profiles, create, share content and engage with people through comments and posts.
• Contact and communicate with potential prospects through LinkedIn, email, moving the leads through the sales funnel and move them to the intro call.
• Generate SQLs, effectively convert MQLs into SQLs.
• Craft personalized, high-converting outreach messages aligned with our ICP and services, continuously testing and optimizing to boost engagement and conversions.
• Propose new lead sourcing strategies, align with marketing and sales, and identify early client needs to support growth initiatives.
• Own your outbound process, drive improvements, and support growth strategy.

Analyze your approach and make decisions for scaling strategies.

Great to have, but not 100% necessary:

• Experience in the B2B segment, specifically Design & Development services.
• Experience in social selling on LinkedIn.
• Experience with sales enablement tools.
• Experience with writing posts.

We provide:

• Vacation - 18 working days per year, 10 Sick Days.
• 50% coverage of English language courses/any kind of courses.
• Constant feedback, working with a mentor, support and assistance from other experienced employees.
• Long-term employment with a competitive salary.
• Performance & Salary review constantly.
• Financial compensation of coworking 100% (during blackouts).
• Flexible work schedule, remote.

• We are executing a phased modernization program to migrate a legacy enterprise system built on Universe (UniVerse/UniData) database technology to a modern Java-based platform with a relational SQL backend for a big US insurance company.

• Responsibilities:

  This role focuses on Java-driven migration tooling and data validation, combined with deep expertise in Universe DB. The developer will build Java-based solutions to extract, transform, validate, and reconcile data and data-driven logic from Universe DB, supporting the core Java application team by ensuring data accuracy, consistency, and functional parity throughout the migration.

• Mandatory Skills Description:

  Java:
  - Strong experience with Java for backend development, batch processing, or tooling
  - Experience with Java frameworks (Spring / Spring Boot preferred)
  - Familiarity with data processing, concurrency, and error handling
  - Ability to build reliable, reusable migration and validation components
  
  Universe DB:
  - Hands-on experience with Universe DB (UniVerse or UniData)
  - Strong understanding of:
   > Multi-value data models
   > DICT files and metadata
   > Data extraction and access patterns
  - Experience supporting Universe-based systems or migrations
  
  Databases & SQL:
  - Solid SQL skills (PostgreSQL, Oracle, SQL Server, or similar)
  - Experience mapping multi-value data to relational schemas
  - Understanding of data integrity, transactions, and performance considerations

• Nice-to-Have Skills Description:

  - Experience in Universe DB to SQL migration projects
  - Familiarity with ETL concepts and data validation frameworks
  - Basic understanding of Java backend data access patterns
  - Experience working in phased or parallel-run migrations
  - Exposure to enterprise or regulated environments

• Languages:
  • English: B2 Upper Intermediate

📌 Please note that this position is open to Ukrainian candidates only. If you are not Ukrainian, please feel free to DM me, and I will be happy to share other open projects we may have for you.

Senior Backend Engineer (Go/Java)
Contract: 6 months with extension possibility

About our Customer: 

We are a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies across a wide range of industries.
 

About the Product

It is an advanced authorization platform that centralizes policy management and enforces dynamic, real-time access control across applications, APIs, and data. The platform combines centralized policy definition with decentralized enforcement points to deliver low-latency authorization at scale. PlainID integrates with leading IAM providers such as SailPoint, Okta, and Azure AD, and supports PostgreSQL, Elasticsearch, and MongoDB backends.

Serving over 100 enterprise customers in finance, healthcare, and other regulated industries, it processes millions of authorization requests daily, addressing the challenges of fragmented and static access control. The platform operates in a high-volume, data-intensive environment where reliability, security, and performance are critical.
 

About the Role

We are looking for a Senior Backend Engineer (Go/Java) to drive the evolution of the PlainID authorization platform.

In this role, you will own the design and implementation of critical backend components, working with existing Go and Java microservices to deliver new features, migrate legacy code, and optimize performance. You will collaborate closely with product managers, frontend developers, QA engineers, and R&D teams to translate customer requirements into production-ready solutions.

Given the platform’s complexity, fast release cadence, and multi-tenant cloud architecture, you are expected to onboard quickly, work autonomously within cross-functional teams, and leverage AI-assisted development tools to accelerate delivery.

Your work will have a direct impact on platform scalability, security, and customer satisfaction.
 

Key Responsibilities

• Design and develop custom backend solutions in Go and Java to meet customer and product requirements
• Collaborate with R&D, product, frontend, and QA teams to transition custom implementations into production-grade features
• Write high-performance, maintainable, and reusable code following established design patterns
• Build and maintain a scalable multi-tenant cloud architecture on AWS and GCP
• Define, monitor, and meet backend performance metrics and KPIs
• Integrate and manage data storage solutions (PostgreSQL, Elasticsearch, MongoDB)
• Deploy and operate containerized applications using Docker and Kubernetes
• Use AI-assisted development tools (e.g., Copilot, Cursor) to improve productivity and code quality
• Mentor team members and contribute to a fast-paced monthly release cycle with rigorous quality standards
   

Required Skills & Experience

• Bachelor’s or Master’s degree in Computer Engineering or a related field
• 7+ years of hands-on experience in backend development using  Java
• 5+ years of experience with Spring Boot for Java microservices
• 5+ years of experience with Docker and Kubernetes
• 3+ years working with relational and NoSQL databases (PostgreSQL, Elasticsearch, MongoDB)
• Proven experience designing and operating multi-tenant architectures on AWS and GCP
• Strong proficiency in Unix/Linux environments and command-line tools
• Demonstrated ability to write scalable, maintainable, and high-performance code

Nice to Have

• Experience with authorization and authentication systems
• Strong understanding of cybersecurity principles and policy-based access control
• Hands-on experience with AI-driven development tools (Copilot, Cursor)

Interview Process

• 45-minute HR interview 
• First technical interview
• Second technical interview
• Final interview

📌 Super critical – High level of spoken English and perfect soft skills

To apply for this position, please answer the questions in the following format:

• “Yes, I work(ed) with…” / “I use the following technologies…” / “I have developed…”, etc.
• or simply “No, I don’t have such experience / knowledge.”
   

Senior / Principal Backend Engineer 

About the company: 
It is a startup. They are building an AI-native CRM platform that completely redefines how sales automation works.

By structuring data for intelligent automation, they enable agentic AI to design workflows, assist Sales Leaders and Reps in real time, and generate predictable sales funnels – all through a simple, chat-driven interface.

Mission: to build a CRM that works for User, not the other way around.
 

About the Role

The company is looking for a Senior / Principal Backend Engineer who thrives in dynamic environments, enjoys solving complex data challenges, and wants to shape a product from its early stages.

They focus on goals, not ceremonies – no endless grooming sessions or heavy planning rituals.

This role will be in a core team.

You’ll have a direct influence on architecture, product decisions, and data design. Decisions are made quickly through open discussion and collaboration, without corporate bureaucracy. 
 

What You’ll Do

- Design, develop and maintain backend services and APIs using Python / FastAPI

- Work with structured and unstructured data

- Implement AI-driven features into backend logic and APIs

- Ensure DevOps best practices (testing, CI/CD, security, Docker/Kubernetes)

- Collaborate closely with product, data, and frontend engineers to deliver business value fast

- Ability to travel a few times a year
 

What We’re Looking For

- 7+ years of experience as a Python Backend Developer

- Strong Python experience, ideally with FastAPI, async programming, proven capacity to write production-ready code with speed and precision.

- Experience with SQL (PostgreSQL) and data processing frameworks (Pandas, ETL/ELT)

- Hands-on experience with Docker, Kubernetes, and Azure Cloud

- Understanding of data architecture, performance optimization, and scalability

- Experience with CI/CD pipelines, Git, and code review culture

- Excellent teamwork skills – constructive feedback, collaboration, and ownership mindset

- English B2+
 

Nice to have

- Experience with OpenSearch, Kafka, or Azure Data Services

- Exposure to DevSecOps and advanced debugging

- Knowledge of Generative AI integration into backend systems

- Develop and maintain data flows, ETL/ELT pipelines, and integrations between internal and external systems

Why Join Us

- Remote-first culture – work from anywhere

- Flexible schedule aligned with European time zone

- Direct impact – your work is visible in the product from day one

- Professional growth – as we scale, you can own a technical domain or lead a module

- Core team – become one of the people who know the product best and grow together with it

- Competitive compensation
 

Hiring process:

- Call with a recruiter of the recruitment agency

- Interview with a team

- Technical interview

- Final interview

- Offer

__
We are a recruitment agency helping our client find a Senior / Principal Backend Engineer. If you have any questions or would like to learn more about the company, feel free to reach out to us.
All applications will be reviewed and responded to.

 

CodeIT is a service product development company that helps businesses turn ideas into successful, scalable IT products.
We are looking for an experienced Senior PHP Developer (contractor) to join a long-term product team working on a global hybrid workplace management platform used by 250+ companies worldwide.
The product is a modern, scalable solution that helps organizations manage hybrid work by coordinating people, meetings, and office spaces in a single system. It integrates seamlessly with popular workplace tools and supports flexible, data-driven workflows for distributed teams.
This role is ~90% backend (PHP/Symfony) and ~10% Angular. 
You will work with a mature tech stack including PHP 8.3, Symfony 7, Angular 21, AWS, and Kubernetes, contributing to a stable and evolving product with real users and a long-term roadmap.
Key product features:

• Desk booking
• Room booking
• Space management
• Workplace events

YOUR RESPONSIBILITIES 

• Build highly performant scalable PHP based SaaS applications.
• The main responsibilities will focus on the latest Angular, with occasional involvement in crafting backend features using PHP 8.3 and Symfony.
• Develop solutions to deliver new innovative products for web and mobile platforms using the project RESTful APIs running in AWS.
• Work closely with the wider engineering team (full-stack, backend), designers, and product.
• Be included in decisions and challenge our technical direction.
• Design and develop code with performance, usability, maintainability, and security in mind.
• Resolve technical issues through debugging, research, and investigation.
• Write and maintain automated tests to ensure we deliver quality work for our customers.
• Create and maintain internal technical documentation for deliverables.

YOUR SKILLS AND EXPERIENCE 

• 4+ years of relevant experience in a software engineering role.
• Experience building large-scale consumer web/mobile applications and distributed systems.
• Knowledge of PHP + Symfony framework.
• Knowledge of TypeScript (Angular preferred) to create interactive user interfaces.
• Up to date with the latest frontend libraries, frameworks, and practices.
• Passionate about writing clean code.
• You must be a quick learner and be flexible about what technologies you use. 
• Good understanding of MVC and SOLID principles.
• Experience with multi-tenancy would be a plus.
• Experience in implementing web services with a REST and Web API architecture
• You must be comfortable with rapid development in a Scrum / Agile environment and iterating based on market and customer feedback.
• Knowledge of Unit testing
• English level: upper-intermediate and higher
• Excellent collaborator and communicator within your team and the wider company.

• BSc in a related field such as Computer Science, Computer Engineering, or other software/design discipline.

   

Our current stack is: 

• Front-end: TypeScript, Angular 21; 
• Backend: PHP 8.3 / Symfony 7.2, REST, API Platform, Lambda (Node.JS); 
• Database: PostgreSQL, Redis (ElastiCache); 
• Development tools: Jira, Jenkins, GitHub, Automated Testing; 
• Cloud: AWS (20+ services), Kubernetes, Docker; 
• Mobile: Android (Kotlin, Java) and iOS (Swift).
• AI-friendly: Cursor, ChatGPT, Junie. Find and fix bugs, write tests.

We are looking for a Full-Stack Developer (PHP + HTML/CSS/JS) to join our remote team and work primarily on the development and maintenance of a custom Laravel-based CMS and web applications.

At the same time, experience with maintaining and extending existing PHP projects is important, as part of the workload will include supporting legacy systems alongside our Laravel platform.

The ideal candidate is comfortable switching between a modern Laravel environment and other PHP-based solutions, depending on the project needs.

Location: Remote (Outsourced)

Necessary skills:

— Strong experience with Laravel framework – at least 3 years
— Strong skills in HTML/CSS, JavaScript, PHP – at least 3 years
— Experience with project management tools such as Jira
— Effective communication in English for meetings and client interactions
— Proficiency with version control using Git

Will be a plus:

— Experience with other PHP frameworks
— Experience with CMS platforms
— Familiarity with REST APIs and third-party integrations

Responsibilities:

— Develop and maintain websites and applications built on Laravel and custom PHP solutions
— Create responsive web pages using HTML/CSS
— Implement client-side functionality using JavaScript and server-side logic with PHP/Laravel
— Participate in projects managed through Jira
— Collaborate remotely with the team and clients, conducting meetings and discussions in English
— Troubleshoot technical issues and provide effective solutions

Application Process: We will review your resume and any additional materials within five business days. If your experience aligns with our needs, we’ll arrange a call to learn more about each other. If not, don’t worry — our journey together may just be beginning. We’d love to keep in touch as our team grows and more opportunities arise.

Best of luck with your career pursuits!

Gamzix company, a dynamic player in the iGaming industry:

• Was founded in March 2020 with a vision to redefine the world of online slot games
• Has already successfully produced 60 slot games
• The team has grown to over 120 skilled professionals, and we continue to grow
• Our main hub is in Warsaw — right in the heart of Europe
• With a strong focus on quality and compliance, we hold the prestigious MGA B2B Critical Supply License and certifications from industry leaders iTechLabs and GLI, ensuring the highest standards

Hey there! 👋
The Gamzix team is growing, and we’re looking for an experienced 2D Spine Animator to help us deliver high-quality, production-ready 2D animations for slot games while maintaining strong performance and visual standards.

Responsibilities:

• Produce high-quality 2D animations in Spine for slot games (H1—H5, Royals, Wild/Scatter/Bonus, Big/Mega/Epic/Grand Win, FSS, transitions, infographics, etc.).
• Optimize: grids, meshes, constraints, skins, atlases; control project footprint.
• Production hygiene: naming, structure, event timing, clean JSON/atlas exports, dev pipeline compatibility.
• Mentoring: review mid/junior work, provide constructive feedback, raise standards.
• Cross-team collaboration: align with art lead, product/game design, and devs; iterate fast.

Requirements:

• 4+ years of Spine 2D in gamedev (slots/casual/mobile).
• Strong portfolio with production examples (ideally shipped builds/projects).
• Proven optimization for engine/device constraints; experience with large symbol & pop-up sets.
• Understanding of export/integration pipelines.
• Solid grasp of composition, rhythm, timing, secondary motion, and readability.

What we offer:

• Market-level salary in the IT/Gaming industry
• Relocation support to Warsaw
• Referral bonus — bring in awesome people and get rewarded
• Home-Office coverage
• 7-hour working day 10:00–18:00 (including lunch break)
• Hybrid model in Warsaw; full remote — for other locations
• Paid Sick Leave: up to 10 working days per year
• Paid Time Off: 18 vacation days, 10 days off, paid state holidays
• Corporate benefits: medical coverage, sport compensation, compensation for psychological services
• Professional Development Support: reimbursement for external courses, training & certifications
• Corporate English classes (Business or General) — flexible timing
• Buddy Program
• Internal Gamzix Store (earn coins & exchange for branded gifts)
• Corporate team building and activities
• Open and friendly communication

Please note that feedback on your application will be provided within two weeks if a positive decision is made regarding your candidacy.
I give my consent in accordance with the Law on the Protection of Personal Data dated June 1, 2010, No. 2297, effective from January 1, 2011, for the processing of information classified as personal data.

We are the creators of a new fintech era!
Our mission is to revolutionize the world by making blockchain technology accessible to everyone in everyday life. WhiteBIT is a global team of more than 1,200 professionals united by a shared vision of shaping the Web3 future.
We are building our own blockchain ecosystem, ensuring maximum transparency and security for over 8 million users worldwide. Our cutting-edge solutions, rapid adaptation to market challenges, and technological excellence set us apart from traditional 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 CPA Account Manager!

Experience & language:

- 2+ years of experience in similar roles (in-app traffic management, mobile performance marketing, UA, affiliate/in-app partner management).
- English level B2 or higher — for communication with partners, reporting, and negotiations.

In-app traffic & advertising cycle:
- Understanding of in-app traffic.
- Understanding of the full cycle of in-app advertising: from media buying to post-install events.
- Knowledge of main in-app traffic sources: SDK networks, DSPs, arbitrage teams, media buying agencies, in-app publishers.

Analytics & traffic quality evaluation:
- Ability to analyze and evaluate traffic quality using key metrics: CTR, CR, Retention, ROMI, LTV, fraud indicators.
- Experience with mobile attribution.
- Confident use of Adjust and AppsFlyer.

Attribution mechanics:
- Understanding of IDFA/GAID, SKAdNetwork, fingerprinting, probabilistic matching.
- Anti-fraud skills.
- Ability to analyze fraud metrics: click spamming, click injection, bot traffic, anomalous behavior.
- Experience working with MMP anti-fraud dashboards (Protect360, Adjust Fraud Suite).
- Ability to run weekly/monthly reconciliations, request partner reports, and compare MMP data with partner reporting.

Partner acquisition & onboarding:
- Skills in sourcing new in-app traffic providers: publishers, networks, arbitrage teams, thematic communities, partner catalogs.
- Ability to conduct initial partner checks: cases, volumes, GEOs, quality, tracking setup.
- Negotiation skills: terms, KPIs, test volumes, payment format (CPA/RevShare).
- Understanding of technical requirements for partners (MMP setup, postbacks, event mapping).

Contacts & market knowledge:
- Existing network of partners or personal contacts among in-app traffic suppliers is a strong advantage.
- Understanding of the market: GEO coverage and formats of different networks/publishers, specifics of individual suppliers.

Data work:
- Strong Excel/Google Sheets skills: pivot tables, working with large datasets.
- Ability to interpret data and draw actionable conclusions.

Responsibilities

Analytics & tracking:
- Create tracking links and postbacks.
- Analyze installs, events, cohorts, and advertising channels.
- Monitor metric deviations and identify root causes.

Attribution & anti-fraud:
- Apply knowledge of attribution mechanics (IDFA/GAID, SKAdNetwork, fingerprinting, probabilistic matching).
- Analyze fraud metrics: click spamming, click injection, bot traffic, anomalous behavior.
- Work with MMP anti-fraud dashboards (Protect360, Adjust Fraud Suite).
- Run weekly/monthly reconciliations, request and verify partner reports, compare MMP data with partner reporting.

Partner management:
- Search for and onboard new partners: publishers, SDK networks, DSPs, media buying agencies, arbitrage teams.
- Perform initial partner validation (cases, volumes, GEOs, quality, tracking).
- Negotiate terms, KPIs, test volumes, payment structures.
- Ensure correct setup for partners: MMP integration, postbacks, event mapping.

Data & reporting:
- Work confidently with large datasets in Excel/Google Sheets.
- Interpret data and prepare insights for optimization and decision-making.

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.
- 24 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!

We are looking for a responsible and energetic Project Manager. The ideal candidate has solid theoretical knowledge, basic experience in managing web development or data science projects, excellent communication skills, and is eager for continuous professional growth. 

About the company:
GroupBWT is a consulting firm specializing in data management and the construction of data platforms. Our approach combines classical data warehousing with robust visualization tools, ETL processes, and business intelligence.The platforms we create are designed to collect, analyze, distribute, and leverage internal data, providing actionable insights and value to our clients in the Retail, Manufacturing, Financial, and Market Research industries. Unlike off-the-shelf software, our solutions are not one-size-fits-all. We believe every business is unique, and so should be its data management system. 

What you may do
-End-to-end project oversight including tracking tasks and milestone progress, timely execution, financials and team engagement;
- Maximise income from projects through good management and efficient delivery;
- Measure project performance using appropriate systems, tools and techniques;
- Create and maintain comprehensive project documentation;
- Serve as primary person of contact for the client, meetings with worldwide customers;
- Understand the client’s business to add value to projects;
- Build strong relationships with clients and internal teams;
- Ensure agreed processes are used;
- Report on project performance as appropriate;
- Contribute to the growth of the accounts;
- Decision-making in risk situations.

Requirements
- Experience working with Jira and Confluence;
- English Fluent or Upper-Intermediate (very strong);
- From 2-3 years experience managing projects in web development or data science or both in IT outsource company;
- Knowledge of web development processes;
- Experience working with and leading dispersed cross-functional teams;
- Knowledge of budgeting, project financial management, and resource allocation procedures;
- Excellent written and verbal communication skills with a focus on detail, organization, and responsiveness;
- Successfully able to manage multiple fast-paced projects simultaneously;
- Strong problem-solving and analytical thinking skills to troubleshoot technical challenges;
- Experience in managing an international teams;
- Ensure agreed processes are used;
- Report on project performance as appropriate;
- Contribute to the growth of the accounts;
- Decision-making in risk situations.

What We Offer:

• Cooperation with a company trusted by renowned clients - work in a company with extensive experience, a diverse portfolio of cases, and a client base that includes well-known and respected brands
• Opportunities for professional and financial growth- we offer a clear path for development in a leading niche market, helping you grow both professionally and financially
• Collaboration with technical experts - You’ll work alongside highly skilled technical specialists who will provide the necessary support to achieve your goals 
• Corporate learning and professional development - access to internal training programs, workshops, and mentorship, as well as financial support for external courses, certifications, and professional growth.
• English Speaking Club — we invest in our team’s growth through regular sessions with a native speaker to enhance conversational and professional English skills
• Corporate sports benefits - exclusive discounts for employees and their families at one of the largest gym networks in Ukraine, along with special offers from our wellness and fitness partners.
• 21 paid vacation calendar days, 15 paid sick leaves and additional days off – enjoy a well-balanced work-life schedule with paid vacation, sick leave, and extra days off when needed.
• Support for the Armed Forces of Ukraine – the company contributes to donations and initiatives supporting the Ukrainian Armed Forces.