Jobs at Djinni

We are looking for a Strong Junior Manual QA Engineer with solid hands-on experience who can work independently, take responsibility for testing features, and actively contribute to QA process improvement.

Responsibilities

• Perform full-cycle manual testing of web applications
• Analyze requirements and create test cases and checklists
• Execute regression, smoke, and exploratory testing
• Report detailed bugs with clear reproduction steps
• Verify fixes and support release cycles
• Communicate closely with developers and PMs

• Participate in improving QA documentation and processes

   

Requirements

• 1.5+ years of experience as a Manual QA Engineer
• Strong understanding of QA fundamentals and testing methodologies
• Confident experience in test case design and execution
• High-quality bug reporting skills
• Understanding of client-server architecture and HTTP
• Experience with bug tracking systems (Jira or similar)

• English level: Intermediate or higher

   

Nice to Have

• Experience with API testing (Postman)
• Experience with mobile testing (iOS / Android)
• Basic knowledge of SQL and databases
• Understanding of Agile/Scrum processes

We’re a product powerhouse building a full-stack ecosystem for iGaming businesses. 40M+ players. 250 brilliant minds. One bet: our technology is so rock-solid that we stake our own business on it.
From our hubs in Ukraine, Georgia, the UK, and the Philippines, we blend real-world experience, a battle-tested Tech Radar, all within an open-door culture. 

Turnkey isn’t just our biggest team — it’s the engine room of everything we build.
It’s the tech our partners bet their business on: no patchwork, no plug-ins. Just one battle-tested ecosystem designed to launch, grow, and lead in the most dynamic markets.
Turnkey unites VeliHorizon (our core platform), VeliX (the experience layer), and VeliPayments — the trio powers every player's journey and operator’s next big leap.

We invite the Team Lead Node JS to join the VeliHorizon team.
VeliHorizon — our battle-tested platform built on real gaming floors. High-performance, microservices at its core, API-first by design — it keeps operations smooth, data sharp, and transactions flying.
Every click, spin, and payout runs through Horizon — proven in the toughest conditions, powering thousands of moments a second. Built by cross-functional teams who own every detail — from first idea to live performance.

In this role, you will:

• Hands-on contribution and leadership of team feature development, delivery and supervising in quality assurance
• Lead code, application and architecture design review, improvements and R&D activities
• Lead and participate in SRE practice, housekeeping, on-call, correction-of-errors, continuous improvement process and practice in a team
• Participate in cross-functional activities and collective leadership processes Team Lead Catch Up, Scala Community and Technical Board
• Manage and refine the technical tools, frameworks, and best practices used in the backend stack
• Continuously enhance the CI/CD pipelines to streamline development, testing, and deployment
• Support hiring new team members and invest in maintaining high level of technical experience of teams members
• Maintain comprehensive and up-to-date documentation for backend services and systems
• Constantly improve end-user experience, optimizing product performance

Skills and experience you will need:

Must have:

• At least 5 years of experience in backend development using JavaScript/TypeScript (NodeJs)
• Minimum of 2 years of experience as a Backend Team Lead.
• Strong experience with NestJs, Fastify
• Good knowledge of PostgreSQL
• Experience with Kafka
• Experience with Redis
• Understanding of Agile methodologies and DevOps best practices
• Expertise in performance optimization for backend services
• Strong proficiency in REST API gRPC API
• Experience with AWS, Docker, k8s
• Knowledge of architectural patterns and design patterns
• Experience with high-load
• Experience with building and maintaining CI/CD pipelines

Will be a plus:

• Experience with Clickhouse
• Experience with Sentry, Grafana, ELK
• Experience with WebSockets

Project Description:

Our Client is one of the largest in UK groceries and general merchandise retailer is in the middle of transformation to technology Company in retail. As part of this exercise renovation of technology landscape taking place across the Company. As a partner, we support our client in this journey and help to develop from scratch new applications for various departments (Supply Chain, Product Lifecycle Management, Finance, HR etc.). Our teams are responsible for development of platform components in an Agile environment together with client, based on event-based Microservices architecture. As a developer, you will work in team of professionals in your Country and collaborate with experts from all over the world to develop modern high-loaded application in a Cloud environment.

Our ideal Candidate is passioned smart individual with a strong engineering background, who is ready to work in a self-managed team, accept challenges and take an active role in their resolutions. Successor will not only solve engineering tasks but take responsibility for the technology Company business goals resolution together with the Product owner and business stakeholders. Your effort will help our client to meet their passion to satisfy the most demanded client and to become the number one technology company in retail. In return, you will have ability to grow your technical skills, extend your network and share knowledge with experts all over the world.

Responsibilities:

Collaborate early with engineering teams, participating in refinement sessions to influence requirements and define test strategies.
Design, develop, and execute comprehensive test suites for functional and regression testing.
Automate tests using modern frameworks such as Playwright for both UI and API testing.
Conduct performance and load testing using tools like Gatling or k6, and interpret the results to ensure system scalability.
Perform cross-browser and cross-device testing to validate consistent user experience across platforms.
Set up and maintain test environments and contribute to CI/CD integration for automated test execution.
Prepare and present clear test reports, documenting test coverage, results, and any identified defects.

Mandatory Skills Description:

Strong understanding of Quality Assurance methodologies, with a holistic approach to testing across the development lifecycle.
Hands-on experience with Playwright
Knowledge of performance testing tools such as Gatling or k6.
Proficiency in test infrastructure setup, including working knowledge of CI/CD pipelines.
Good understanding of HTTP protocols and browser developer tools for debugging and analysis.
Familiarity with cross-browser/device testing strategies.

Nice-to-Have Skills Description:

Azure cloud hands-on experience
Experience with the latest versions of Java
Technical team management experience

Languages:

English: B2 Upper Intermediate

We’re hiring: Data Scientist / ML Engineer
Product: E-commerce solution with AI integration
Format: Remote

What you’ll do

• Build and improve ML models (risk/anomaly-style scenarios)
• Analyze patterns, validate hypotheses, and iterate on models
• Support deployment and monitoring in collaboration with engineering/product

Requirements

• 3+ years of experience
• Hands-on ML/DS workflow experience (data prep, modeling, evaluation)
• Ability to work with production data and deliver measurable outcomes.

What we offer

• 24 paid vacation days/year (after probation)
• Paid sick leave (after probation)
• Remote work option
• Company-supported English courses

Vacancy: Media Buyer (Middle / Senior) – Arbitrage Team

We are looking for a Middle or Senior Media Buyer to join our arbitrage team.

Key Responsibilities in the Arbitrage Team:

• Managing advertising campaigns on Facebook (Feed, Reels, Lead Ads, Advantage+) to drive traffic and conversions.
• Developing and adapting creatives for arbitrage campaigns: either ordering from a designer or creating them independently.
• Optimizing ad campaigns with a focus on ROI, CPA, and other key performance indicators.
• Conducting A/B testing of creatives, offers, and traffic acquisition strategies.
• Working with analytics tools and trackers (Keitaro, Binom, AppsFlyer, GA, Amplitude).
• Analyzing campaign performance and providing suggestions for efficiency improvement.
• Potential future opportunity to manage a team and advance to Team Lead / Senior Buyer.

Requirements:

• Proven experience in Media Buying specifically in arbitrage.
• Experience with Facebook Ads.
• Experience managing budgets:
  • Middle: $30k–$70k per month, ROI ≥25% (ideal ≥30%)
  • Senior: $70k+, ROI ≥30%
• Ability to work with creatives, preferably developing or adapting them independently.
• Advanced skills in campaign optimization, including A/B testing, ROI/CPA analysis, budget and strategy optimization.
• Tools & Analytics:
  • Required: Keitaro
  • Preferred: Binom, AppsFlyer, GA, Amplitude

Conditions:

• Salary: 650 USDT + bonus
• Bonus system: very attractive, with the potential for significant income increase depending on campaign results and ROI.

We’re hiring: Site Reliability Engineer / DevOps
Product: E-commerce solution with AI integration
Format: Remote

What you’ll do

• Own and operate cloud infrastructure
• Build monitoring/logging/alerting and reliability automation
• Troubleshoot incidents and harden the platform for peak loads

Requirements

• 3+ years of experience
• Production experience with containers and orchestration (Docker, ECS, or Kubernetes)
• CI/CD experience
• Observability/monitoring experience
• Strong collaboration and incident-handling skills

What we offer

• 24 paid vacation days/year (after probation)
• Paid sick leave (after probation)
• Remote work option
• Company-supported English courses

Project Description:

We are looking for a senior software engineer to join our team in a derivatives trading company with a broad product portfolio, with specific emphasis on interest rates, currency, and related derivative products.
The candidate will be a key contributor to enhance and maintain our trading system. The role will interact with the larger development team, share design and solutions, and contribute to the overall objectives of the development team.
All the newly built programs, including the Modernisation projects, are developed in C#. For enhancing legacy programs or developing new features of legacy functions, the developers will have to develop in C.

Responsibilities:

- This role will be part of the trading system development team to enhance post-trade processing functions such as payment processing or trade regulatory reporting.
- The role will take responsibility to design and develop applications to enhance existing business functions.
- The role will be involved in projects to migrate legacy systems into new platforms, and as such, he or she has to be a quick learner and also be adaptive to new technologies.
- This role will take responsibility for supporting the trading systems, including providing answers to users' enquiries or resolving batch job issues.
- The role will be part of the development team. He or she will need to follow development standards and contribute to the overall agenda of the team.

Mandatory Skills Description:

- 6-7 years of experience in a large & complex application development environment involving complicated data schemas with C#
- Experience with C/C++ min. 3 years
- 2+ years of experience with leading a team (tech lead, team lead)
- Experience in application designs for complicated process flows
- Experience in analysing and designing complicated Data/Object Relations
- Experience in OOD/OOP, especially in C#
- Strong SQL knowledge
- 2+ years in financial industry, experience with trade flows, trade process, fixed income products
- Experience working with global team, good communication and transpersonal skills
- Must be a good team player and can work cooperatively or independently
- Quick learner and problem solver

Nice-to-Have Skills Description:

- Python knowledge highly preferred
- FIX protocol experience
- messaging systems experience

Languages:

English: B2

Job Opening: Media Buyer (YouTube / TikTok) – Gambling (Remote)

We are looking for an experienced Media Buyer to manage advertising campaigns on YouTube and TikTok in the gambling industry. Our client is a product company that independently develops and promotes its own products, providing unique opportunities to directly impact results and scale campaigns.

What we offer:

• Salary: very competitive, reflecting your experience and skills.
• Bonuses: additional performance-based incentives.
• Work in a professional team with opportunities for career growth.
• The chance to test creatives and strategies across different geos and verticals.

Responsibilities:

• Setting up, managing, and optimizing campaigns on YouTube and TikTok Ads.
• Working with various ad formats: In-Feed, Story, Skippable and Non-Skippable Ads, TrueView, Bumper Ads, etc.
• Analyzing campaign metrics: CTR, CVR, CPI, ROAS, LTV, CPM.
• Testing creatives and hypotheses, audience targeting, segmentation, and remarketing.
• Using trackers and analytics platforms to monitor ROI and optimize spending.
• Preparing reports on campaign performance and suggesting ways to improve efficiency.
• Monitoring advertising trends, platform algorithms, and competitors.

Requirements:

• At least 2 years of experience in Media Buying on YouTube and TikTok.
• Deep understanding of ad tools and formats on YouTube and TikTok.
• Experience in the gambling niche or with verticals with high conversion rates.
• Understanding of CPA, CPI, LTV, ROAS, and other key performance metrics.
• Experience with trackers and analytics tools (Adjust, Appsflyer, Voluum, or similar).
• Ability to test and scale campaigns across Tier 1 / Tier 2 / Tier 3 geos.
• English proficiency sufficient for reading professional documentation and communicating with platforms.

Nice-to-have:

• Experience with dynamic creatives and video content generation.
• Skills in campaign automation and optimization scripts.

We are looking for someone who:

• Loves experimenting with traffic and creatives.
• Can make quick decisions and scale successful campaigns.
• Takes a systematic approach to campaign analysis and optimization.

Location: fully remote.

If you are ready to take YouTube and TikTok campaigns to the next level and earn a rewarding salary with bonuses — we are waiting for you!

Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the client:
Our client is the AI operator for SMBs. The company finds missed opportunities and follows up on signals you didn’t catch - knowing your business better than you do, acting on every lead ready to buy and every customer about to leave.
Built by the team behind leading AI startups with over 20 years of experience, the company is your always-on autopilot for prioritizing and acting on the most important messages.

About the role:
As Head of Operations, you will design, build, and run a shared operational foundation across the group. Your mandate is to create scalable systems, eliminate inefficiencies, and ensure that operations run predictably as the companies grow.

Responsibilities:
- Improve and scale core operational functions, including HR, recruiting, legal operations, security, and internal processes across all companies.
- Design repeatable systems and workflows that support rapid growth without increasing executive overhead.
- Own HR operations, including onboarding, offboarding, people policies, and performance processes.
- Establish and manage recruiting operations across product, engineering, and service teams.
- Coordinate legal operations by working with external counsel and managing contracts, documentation, and corporate workflows.
- Support operational security and compliance processes, including audit preparation and ongoing evidence management.
- Partner with finance leadership to support invoicing, payroll workflows, and vendor operations.
- Translate leadership priorities into clear execution plans and ensure consistent follow-through across teams.
- Build, improve and maintain SOPs, documentation, and clear ownership across all operational areas.
- Identify operational risks, bottlenecks, and single points of failure and resolve them proactively.
- Standardize tools, processes, and execution where appropriate across the group to reduce duplication and improve efficiency.
- Ensure leadership experiences operations as reliable, predictable, and low-friction.

Requirements:
- 5+ years of experience in Operations, Business Operations, Chief of Staff, or similar roles in fast-growing companies.
- Proven experience building or improving HR, recruiting, and legal processes from scratch and scaling them over time.
- Experience working directly with founders or executive leadership teams.
- Strong systems thinking with the ability to design processes that scale across multiple teams or companies.
- Comfort operating across multiple functions and priorities in a fast-paced, evolving environment.
- High level of ownership, discretion, and integrity when handling sensitive information.
- Strong written and verbal English communication skills.

Nice to have: 
experience in service-based or hybrid product-and-service companies.

We are looking for a Financial Analyst for a remote work to support and oversee accounting, financial control, and reporting processes for our operations in Poland. The ideal candidate has strong knowledge of Polish accounting and tax regulations, experience in corporate finance or accounting, and is comfortable working in a fast-paced fintech/crypto environment. Fluency in Polish and Russian is required, with English being a strong plus.

Key Responsibilities:

• Oversight of the external accounting provider (outsourcing)
• Review and verification of the accuracy and completeness of financial reports provided by the outsourced provider
• Coordination of financial and tax accounting treatment for various operations
• Preparation of management reports and ad-hoc financial analysis for HQ
• Financial monitoring of cryptocurrency-related operations (exchanges, accounting, compliance)
• Communication with tax authorities and other regulatory bodies in Poland on matters related to finance, economics, taxation, and reporting (in Polish)
• Support of internal and external audits
• Participation in budgeting and forecasting
• Internal document control and compliance monitoring

Requirements:

• University degree in Finance, Accounting, or Economics
• Solid understanding of Polish accounting and tax regulations
• At least 3 years of experience in corporate accounting and tax as well as financial control or analysis
• Proven experience working with outsourced accounting providers
• Knowledge of Polish and Russian (both written and spoken)
• Proficiency in Excel, Power Query and Google Sheets; knowledge of BI tools is a plus
• Ability to work in a dynamic, fast-changing environment involving crypto assets

Nice-to-Have Qualifications:

• Experience in the crypto or fintech industry
• Understanding of cryptocurrency accounting specifics
• ACCA, CPA, or similar certification
• Experience in international companies
• Knowledge of English language

Vacancy: FB Media Buyer (Experienced, Arbitrage Team)
Work format: Remote

Our client is a professional arbitrage team with media buying experience since 2014 and iGaming experience since 2019. They are currently looking for an experienced Facebook Media Buyer who can deliver profit from day one and is ready to grow with the team.

Who we are looking for:

• A buyer with deep expertise in FB Ads, capable of independently launching, optimizing, and scaling campaigns
• Someone who focuses on results "here and now" and leverages them for growth
• A professional ready to test ideas, find solutions, and actively contribute to the team

Personal qualities:

• Responsibility: available online during working hours, punctual
• Hardworking: willing to put in the effort to achieve ambitious goals
• Proactivity: testing hypotheses, making independent decisions, communicating effectively with colleagues
• Curiosity: interest in media buying and affiliate marketing, eagerness to learn and share knowledge

Professional skills:

• Creating and generating creatives, preparing briefs for designers, and using modern AI tools
• Working with trackers, auto-uploads, and payment models
• Deep understanding of Facebook ad interfaces
• Analytics: identifying cause-and-effect relationships, making quick campaign adjustments, and maximizing ROI

What we offer:

• First 6 months: 50% of net profit with no limits
• Afterwards:
  • 30% of net profit — base
  • 40% — when profit reaches $20–30k
  • 50% — when profit exceeds $30k
• Career growth opportunities up to Team Lead, who earns 10% of their team’s profit

No fixed salary, but profit share is significantly above market rates for experienced buyers.

Project Description:

We are looking for a detail-oriented and proactive QA Manual Tester to join our Capital Markets QA team. This role focuses on testing Fixed Income Sales and Trading applications, ensuring the accuracy, reliability, and performance of systems that support front-office trading, order management, pricing, and risk.
 
You will work closely with developers and business analysts from different regions to validate complex workflows and ensure high-quality software delivery in a fast-paced financial environment.

Responsibilities:

Analyze business and functional requirements related to fixed income sales and trading workflows.
Design, document, and execute comprehensive manual test cases for front-office applications.
Perform end-to-end testing of trade lifecycle events.
Validate pricing, risk, and P&L calculations for various fixed income instruments.
Conduct regression and new feature testing.
Log, track, and retest defects using JIRA.
Collaborate with developers, BAs, and QA automation engineers to ensure test coverage and quality.
Participate in Agile ceremonies and contribute to continuous improvement of QA processes.

Mandatory Skills Description:

5+ years of experience in manual QA testing, preferably in capital markets or investment banking.
Previous experience plus strong understanding of Fixed Income products and trade lifecycle (ideally interest rate swaps, swaptions, cap flor or bonds)
Experience testing Sales & Trading platforms and/or risk systems.
Experience with test management and defect tracking tools.
Excellent analytical, communication, and documentation skills.

Nice-to-Have Skills Description:

Experience working in Agile/Scrum environments.
Understanding of front-office trading desks and real-time systems.

English B2

Rivex Software is an outsourcing company founded by experienced developers. For over 5 years, we’ve been building production-ready web tools for advertising and workflow automation.

We’re looking for a strong Middle Full-stack Developer to join an existing team and work on a real product — a platform for storing, managing, and uploading advertising creatives to multiple ad networks.

You’ll work on an already launched system used daily by internal teams and clients, improve existing functionality, and help build new features.

What you’ll do:

• Develop and maintain backend and frontend parts of the platform (Node.js / NestJS, React)
• Work with PostgreSQL and improve existing data models
• Integrate external APIs (ad networks, analytics, internal services)
• Develop frontend using React, Tailwind CSS, and TanStack Query
• Refactor and improve existing codebase together with the team
• Work with Google Cloud infrastructure (Cloud Run, related services)

What we expect:

• 4+ years of commercial experience in web development
• Confident experience with Node.js and PostgreSQL in production
• Solid frontend experience with React and modern data/state management
• Good knowledge of TypeScript and modern web application architecture
• Ability to work independently on tasks and collaborate within a team
• English at an Intermediate level or higher

Nice to have:

• Experience with Google Cloud Platform
• Experience working on long-living products

What we offer:

• Fully remote work
• Full-time, stable workload
• Interesting product focused on automating user acquisition workflows
• Opportunity to grow into a senior role

We’re looking for a passionate copywriter with a background in SEO to help create captivating content to grow Beetroot.

We seek a freelance SEO/Marketing Copywriter for project-based cooperation to help us grow. You’ll work on B2B copywriting in the tech/IT area using our SEO briefs and create content for Beetroot’s landing pages. You will use your skills to reinforce and extend our presence on the web and create inspiring content that converts.

What you'll do in this role  

• Project-based cooperation with the potential for ongoing work.
• Typical assignment: Assignments vary from shorter assets (up to 2000 words) to landing/pillar pages and downloadable assets (up to 6000 words) in the tech B2B niche. 
• Work with SEO briefs provided by Beetroot’s SEO Specialist.
• We look for white-label services. 

We're looking for

• Proven experience writing for SEO/marketing landing pages in the Tech/IT area.
• Strong understanding of SEO principles and keyword strategy.
• Excellent communication and time management skills for remote collaboration.
• Excellent English skills. 

How to knock our socks off

• Ability to adapt to different tones and styles.
• Experience with B2B copywriting in the tech/IT field. 
• Naming five or more dishes that include beetroot, besides borshch.

✔ Not checking every box?

This job looks very exciting, but you hesitate to apply because of the confidence gap? Reach out to us anyway! Beetroot is an inclusive workplace that considers all applicants. Equality is one of our core values. We're committed to providing equal opportunity and a sense of belonging for all Beetroot consultants and candidates. So let's discover together whether we could be an excellent fit for each other. 

If this sounds like a good fit, please apply with your relevant work samples and rates.

Project Description:

Project is related to regulatory reporting for one of Clients from Investment Banking area. We are seeking a highly skilled Senior QA Automation & Performance Test Engineer to join our dynamic crew. The ideal candidate will be responsible for designing, developing, maintaining, and executing automated and performance test scripts to ensure the quality, reliability, and scalability of our software products. This role requires a strong background in software development, test automation frameworks, performance testing, and a passion for delivering high-quality solutions.

Responsibilities:

· Collaborate with cross-functional teams to understand software requirements and develop comprehensive test plans, cases, and scenarios.
· Design, develop, and maintain automated and performance test scripts using industry-standard tools and frameworks.
· Own and manage all non-functional testing activities, including performance, stress, load, and regression testing.
· Continuously research and evaluate new testing technologies, tools, and methodologies to improve efficiency and effectiveness.
· Advocate for best practices in testing and quality assurance, contributing to process improvement.
· Develop custom tools and integrate with existing tools to increase engineering productivity.
· Ensure quality, security, reliability, and compliance by testing both functional and non-functional requirements.
· Coordinate test activities within the pod and across other test managers as required.
· Enable and drive a culture of 'automation-first' in the QA space.
· Perform in-sprint automation testing and build regression test suites.
· Analyse errors using logs, database queries, legacy and Unix file systems, etc.
· Expertly manage the complete test and defect lifecycle across agile and waterfall methodologies.
· Generate test reports and share status across multiple levels.
· Capacity planning and management of web, microservices, and mobile applications.
· Performance monitoring and tuning of applications using tools like AppDynamics, AppInsights, Splunk.
· Use quantitative methods to identify performance and throughput bottlenecks.
· Work on large-scale migration projects for financial institutions’ core platforms.

Mandatory Skills Description:

· Strong proficiency in programming languages such as Java and C ( ideally).
· 10+ years’ experience in Testing ( Automation and Performance)
· Experience with test automation frameworks such as Selenium, Cucumber, or similar BDD frameworks.
· Hands-on experience with automation testing for desktop, web, data services, microservices, database, ETL, cloud-based applications, middleware, and OS.
· Experience with CI/CD pipelines.
· Expertise in building frameworks for performance and load tests using tools like Gatling, Locust, LoadRunner.
· Experience with logging and APM tools (AppDynamics, AppInsights, Splunk).
· Good understanding of Linux performance tuning and database optimisation techniques.
· Experience with WebSphere and Tomcat application servers.
· Strong analytical skills, proactive, detail-oriented, and comfortable working in dynamic, fast-paced environments.
· Excellent communicator with strong written and verbal English skills.

Nice-to-Have Skills Description:

Personal Attributes
· Logical problem solver, passionate about excellence, learning, and integrity.
· Team player who values collaboration and delivering business value.
· Self-sufficient, quick learner, able to work independently and in a team.

Languages:

English: B2 Upper Intermediate