Jobs at Djinni

Who We Are

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee.

Technology Stack:

Ruby, Ruby on Rails, Postgres, Redis, Sidekiq, GraphQl, RabbitMQ

Requirements:

- Practical experience building systems in Ruby on Rails

- At least 6 years industry experience or equivalent

- Experience building and maintaining backend APIs, including design, implementation, evolution, and maintenance

- Familiarity with TypeScript, or similar modern strongly-typed language

- Proficiency using a variety of database technologies, both relational and non-relational

- Strong understanding and familiarity with CI/CD pipelines and automated tests

- An ability to work in service-based architectures as well as well-factored Rails monolith applications

- Highly independent and able to effectively self-organize and prioritize work

- The ability to write clean code, and the discipline to write effective automated tests to deliver high-quality system improvements

- An ability to effectively break down larger bodies of work for delivery as a series of small, self-contained changes to the system

- Excellent spoken and written communication skills

- BS/MS degree in Computer Science, Engineering, or equivalent years of professional working experience

Bonus Points

- Experience with NodeJS and React

- Experience in the retail and/or fuel & convenience industries

- Experience working in distributed teams

- Experience with Nest.js and/or GraphQL

- Readiness to work in the ET (US) time zone

Responsibilities:

- Collaborate closely with other Engineers, design and implement new functionality based on product objectives and requirements.

- Work with the broader product engineering team to plan and coordinate feature and functionality improvements, as well as resolve bugs and execute technical enhancements, that cross-cut large parts of our platform.

- Work to continually learn, improve technology skills, expand knowledge of the our platform technologies, and gain increasing versatility across the breadth of our platform systems.

- Expand APIs and business logic, and as needed write or revise customer-facing API documentation.

- Work with our infrastructure team to enable and enhance highly-available, performant, and well-instrumented backend applications and services that run in our customer environments at substantial scale.

- Support operations and infrastructure teams for issue resolution on relevant applications or services running in production environments.

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Health insurance program;

- Flexible working hours;

- Sponsored company educational program, corporate library;

- Comfortable and cozy office;

- Funny celebrations, team outings, and company events;

- A unique and friendly environment where everyone can explore and learn new technologies.

Overview

We are looking for a C++ developer to join a FinTech startup building performance-critical financial systems. 

You will work closely with the lead architect to implement core system components in modern C++, contributing to reliable and efficient software that processes financial data and transactions. 

This role is ideal for an engineer who enjoys working close to the system layer and wants to deepen their understanding of high-performance software design. 

Comfortable working under technical guidance and code reviews. 

Mandatory Requirements

Hard skills: C++, multithreading, Linux and networking fundamentals 

• Solid proficiency in C++ programming 
• Good understanding of memory management, object lifetimes, RAII, and smart pointers. 
• Familiarity with networking fundamentals (TCP/IP, sockets) 
• Exposure to multithreading and concurrency 
• Solid experience developing on Linux using GCC and GDB

Nice to Have / Plus Skills 

• Experience with performance-oriented and low-latency programming Network programming (TCP/UDP, multicast) 
• Knowledge of CMake and vcpkg for build and dependency management 
• Experience with CI/CD pipelines and automated testing in C++ projects Interest in performance optimisation

We are looking for an experienced Middle QA Engineer to test an online casino web platform. We need a specialist who will take ownership of product quality, participate in test planning, and conduct in-depth problem analysis.

Requirements

Education & Experience:

• 2+ years of commercial experience in Manual QA.
• Experience in the full lifecycle of web application testing within product teams.
• Understanding of SDLC and Agile/Scrum methodologies.

Technical Skills:

• Deep knowledge of testing theory and test design techniques.
• Proficient experience with PostgreSQL or other relational databases (writing queries).
• Experience in REST API testing, understanding of HTTP/HTTPS protocol, and work with Postman/Swagger.
• Proficiency with Chrome DevTools and other browser developer tools.
• Experience with Jira and test management systems (Zephyr Scale, TestRail).
• Understanding of client-server application architecture.
• Experience in log analysis and working with monitoring systems (Grafana or similar).

Languages:

• English — B2+ level (reading documentation, writing bug reports).

   

Nice to Have

• Experience in the iGaming/Gambling industry (1+ year).
• Knowledge of payment systems, processing specifics, and financial transactions.
• Experience with monitoring systems (Grafana, Kibana, ELK) and security testing.
• Experience with DBeaver or similar database tools.
• Active use of AI tools (ChatGPT, Claude, Copilot) for optimizing workflows: generating test cases, writing SQL queries, analyzing logs, and creating documentation.
   

Benefits

• Format: Remote work (full-time, 40 hours per week).
• Schedule: Flexible working hours, national holidays observed.
• Impact: A responsible role with real influence on the quality of an international product.
• Tech Stack: Work with a modern technology stack and high-load systems.
• Growth: Professional development with opportunities to grow into a Senior QA / QA Lead role, or to move towards automation or team management.
• Processes: Participation in technical and architectural decision-making.

We’re looking for a Social Content Specialist – a person who understands social media beyond posting and captions.
You will research topics, shape ideas into posts, write short-form copy, and coordinate with designers and video editors to turn concepts into actual content.

💪 YOUR QUEST-LINE:
 

• Monitor the CS2 gaming space: updates, discussions, creator content, memes, and trends
• Identify interesting and relevant topics for social media (not obvious or recycled ones)
• Turn ideas into clear post concepts and formats
• Write short-form social copy (hooks, captions, 1-4 line posts, CTAs)
• Prepare copies for our SMM activities on social media platforms
• Adapt ideas to different platforms (X, Instagram, Facebook, Threads, later: + Discord)
• Prepare structured briefs for designers and video editors
• Participate in brainstorming and content planning with the SMM Lead
• Research and verify information before posting
• Assist with publishing and maintaining daily social activity 
• Interact with followers in the comment section under our posts

👨‍🚀 YOUR IN-GAME SKIN:
 

• Experience in SMM, social pages, communities, or content projects
• Understands how attention works in feeds and what makes posts perform
• Can explain why a post is interesting and not just write text
• Writes concise, natural English (no corporate tone)
• Thinks in formats and hooks, not long paragraphs
• Is curious and able to independently research topics and fact-check information
• Plays CS and understands the player perspective
• Follows internet culture, memes, and online communities
• Can come up with creative ideas and write clearly and fast

 🧜‍♀️ WILL BE YOUR BOOST:
 

• Familiarity with esports or CS and foreign influencers  
• Basic understanding of visual storytelling and how design/video supports a post
• Ability to quickly reference examples or visual direction

🥷 YOUR POWER-UPS SOURCE:
 

• Spontaneous weekend from the CEO;
• Support for professional development, including events (we went on a MAJOR trip to Copenhagen, for example), certifications, and educational materials;
• Start working at a time that’s comfortable for you;
• People Partner who will always support you in word and deed;
• Anniversary and performance bonuses;
• Input on project direction in a bureaucracy-free environment;
• Regular performance reviews and personal feedback sessions;
• 20 paid vacation days and 7 sick leave days;
• Assisting with the accounting and tax management for individual entrepreneurs;
• English language and Well-being benefit — so that you can improve your mental health the way you want;
• No time tracking;
• We purchase CHARGING STATIONS for our spacers;
• We help Ukraine: every month the company supports AFU and transfers donations for ammunition and supplies.

If you read everything carefully and exclaimed: “Oh, yeah, I’m good at everything and I want to do cool things together!”, then we are already looking forward to your resume and portfolio!

Send them as soon as possible! 🚀

We’re looking for an experienced Embedded Developer with Rust programming experience to join our embedded development team. You will work on a smart sleep-tracking device in the IoT domain, contributing to a high-impact product with complex technical challenges and strong engineering standards.

CUSTOMER

Our Customer is a major international company specializing in the development of smart sleep-tracking devices.

PROJECT

By joining this project, you’ll work with a team of experienced engineers to enhance the capabilities and performance of a smart sleep-tracking device. The device connects to a mobile application and provides users with a wide range of advanced analytical metrics.

Responsibilities:

• Develop software components using C and Rust
• Contribute to the development of technical project documentation and user documentation
• Participate in conference calls and face-to-face meetings with the Customer and Customer partners
• Comply with the best engineering practices, technical standards, and quality criteria set forth on the project
• Report on status and progress according to the project and company demands
• Spot current deficiencies in the development process, adopted procedures, engineering practices, environment configurations, etc., and suggest improvements
• Escalate technical issues to the Architect, Team Lead, and Project Manager
• Improve your qualification within the areas of expertise by attending various training courses, seminars, and/or other educational organizations

Requirements:

• Strong C programming skills
• Good Rust coding skills
• Experience with networking and IoT device development
• Knowledge of ESP 32 MCU, interfaces, and protocols (UART, I2C, SPI, I2S)
• Good understanding of WebRTC, WebSocket, and FFmpeg
• Experience with Linux OS
• Experience in debugging and troubleshooting solutions for embedded systems. It should include software debugging on real hardware and debugging of hardware issues
• At least an Upper-Intermediate level of English

Will be a plus:

• Expertise in video transcoding (H264, H265, MJPEG) and streaming concepts
• Knowledge of audio transcoding (AAC, OPUS, PCM, G.711, G.722) and streaming concepts
• Experience with C++14 or higher
• Practical experience with Bash and Python
• Knowledge of Google Protobuf protocols

Personal Profile:

• Detail-oriented and quality-focused
• Strong problem-solving skills
• Ability to work independently and in a team
• Good communication skills
• Eager to learn and adapt to new technologies

As an ML Engineer, you'll work at the intersection of machine learning systems, knowledge representation, and reasoning infrastructure — building the foundational intelligence layer that powers our platform. This isn't about wrapping APIs or fine-tuning models in isolation. You'll be solving hard problems at the frontier of applied ML.

What you'll work on:

Designing ML pipelines that transform unstructured, proprietary information into semantically rich, queryable representations

Building and integrating models that enable probabilistic reasoning, multi-hop inference, and context-aware decision support

Developing agentic workflows where AI assists human judgment through explainable outputs, uncertainty quantification, and iterative feedback loops

Defining evaluation metrics and testing frameworks for high-stakes, information-led environments

Contributing to architectural decisions around ML infrastructure and model serving

Collaborating closely with backend engineers, product, and domain experts

What We're Looking For

Strong foundations in machine learning — NLP, information extraction, representation learning

Systems thinking mindset, not just model performance in isolation

Comfortable working in ambiguity and defining problems from first principles

Intellectually honest — willing to challenge assumptions, including our own

Pragmatic: ships working systems, iterates on real feedback, avoids over-engineering

Cares about reproducibility, clarity, and long-term maintainability

What We Offer

Work on genuinely hard, foundational problems at the intersection of ML and knowledge systems

Founder-led, deeply technical environment — low-ego, high-ownership

Fast feedback loops, strong opinions, high bar for clarity

Flexible/hybrid setup centred around London

Early-stage equity

Our Values

First-principles thinking. Human judgment matters. Intellectual honesty. Trust by default. Compounding advantage. Build infrastructure, not wrappers.

The Role

We are looking for a highly skilled Senior DevOps Engineer to strengthen our Cloud Platform team. This is a hands-on technical role critical to ensuring our operational excellence, security, and resilience.

You will help build a secure, scalable, and compliant cloud infrastructure that serves as the foundation for all our product teams. This role requires deep hands-on experience with AWS, Kubernetes, and Infrastructure-as-Code.

Crucially, you will be responsible for navigating the strict regulatory landscape of a financial institution. You must have successfully navigated environments requiring ISO 27001, PCI DSS, and DORA compliance. You will work closely with the Cloud Platform Manager and security teams to implement the controls and processes necessary to keep our platform secure and compliant.

While this is a remote-first role, you should be based in a CET-adjacent timezone to collaborate effectively with colleagues.

What You'll Do

• Build Cloud Infrastructure: Design, implement, and maintain our AWS-based infrastructure (EKS, EC2, RDS, IAM, VPC, KMS, networking).
• Infrastructure as Code (IaC): Develop and manage our infrastructure using Terraform/Terragrunt, Helm, and Kubernetes manifests.
• CI/CD & GitOps: Build and optimize CI/CD pipelines (GitHub Actions/GitLab CI) and operate GitOps workflows using ArgoCD or Flux.
• Compliance Implementation: Implement and maintain the specific technical controls and processes required for ISO 27001, PCI DSS, and DORA.
• Security Operations: Apply best practices for cloud security, encryption, access control (IAM, RBAC, Zero Trust), and support incident response.
• Observability: Configure and maintain our observability stack using Prometheus, Grafana, Loki, Alloy, and OpenTelemetry.
• Documentation: Create clear technical documentation, standards, and security policies to support audits and internal knowledge sharing.

• Disaster Recovery: Support Disaster Recovery (DR) and Business Continuity planning and testing.

   

What We're Looking For

• Experience: 5+ years of professional DevOps experience, with a proven track record of building secure cloud environments.
• Compliance Expert: Mandatory hands-on experience implementing and passing audits for ISO 27001, PCI DSS, and DORA. You must understand the technical reality of these frameworks.
• AWS Mastery: Deep experience with AWS services, particularly EKS, networking, and security.
• Certification: AWS Certified Solutions Architect – Associate (Mandatory).
• Container Orchestration: Expert-level knowledge of Kubernetes (EKS), including autoscaling, IRSA, network policies, and cluster security.
• IaC Expertise: Strong proficiency with Terraform / Terragrunt and GitOps methodologies.
• Observability: Experience with monitoring, logging, and distributed tracing tools (Prometheus, Grafana, Loki).
• Security Mindset: Solid understanding of networking (TLS, VPN, WAF) and identity management (IAM, RBAC).

• Soft Skills: Strong ownership mentality, proactive problem-solving, and the ability to communicate effectively with auditors and stakeholders.

   

Bonus Points

• Certifications: AWS Security Specialty, AWS DevOps Engineer (Professional), or CKA/CKAD (Kubernetes).
• Familiarity with MiCA (Markets in Crypto-Assets) regulations.
• Experience with Vault, AWS Secrets Manager, or SSM Parameter Store.
• Experience building AWS Landing Zone / Control Tower architectures.

• Background in FinTech, RegTech, or enterprise banking environments.

   

What We Offer

• Foundational Role: A key role in building the compliant infrastructure backbone for a major European crypto platform.
• High Standards: The opportunity to work in a high-compliance, high-security environment that values technical excellence.
• Clear Ambition: The chance to join a company with a clear goal of becoming the #1 crypto platform in the EU.
• Greenfield Culture, Brownfield Code: A rare chance to join a new company culture with no baggage, while solving the interesting technical challenges of a mature product.
• Flexibility & Connection: A 100% remote-first role with periodic, all-expenses-paid team gatherings and a new hub in Ticino, Switzerland.
• Compensation: A competitive salary and benefits package.

The Role

As an  IT recruiter in our fast-growing company you will be the one who specializes in sourcing, screening, and hiring candidates for our various open IT positions. You will identify and attract highly skilled candidates with relevant technical expertise and experience required. You will work closely with CTO and developers to understand the specific requirements of the positions we want to recruit and hire candidates who fit perfectly with the open positions.

An IT recruiter needs to evaluate candidates’ qualifications, assess their technical skills, conduct interviews, and negotiate job offers. 

What You'll Do

• Sourcing & Attraction: Write compelling technical job descriptions and post them; use headhunting/networking to find candidates.
• Screening & Interviewing: Review resumes, conduct initial interviews (behavioral/technical), and shortlist qualified applicants.
• Candidate Management: Build and maintain talent databases (ATS) and keep candidates informed.
• Collaboration: Work with CTO and the team to understand specific tech requirements and company culture.
• Market Knowledge: Stay updated on tech trends, salaries, and hiring practices.

What We're Looking For

• Proven experience in IT recruitment more than 1 year 
• Strong understanding of IT roles (e.g., software development, cloud, cybersecurity).
• Excellent communication, networking, and relationship-building skills.
• Ability to work in a fast-paced, metrics-driven environment. 
• English - Fluent

What We Offer

• Foundational Role: A unique opportunity to be a part of the team building the entire developer platform for a high-growth FinTech.
• Clear Ambition: The chance to join a company with a clear goal of becoming the #1 crypto platform in the EU.
• Greenfield Culture, Brownfield Code: A rare chance to join a new company culture with no baggage, while solving the interesting technical challenges of a mature product.
• Flexibility & Connection: A 100% remote-first role with periodic, all-expenses-paid team gatherings and a new hub in Ticino, Switzerland.
• Compensation: A competitive salary and benefits package.

DTeam is looking for an independent Middle Manual QA Engineer who is ready to take full ownership of product quality across web and mobile applications.

Requirements

• 3+ years of experience in Manual QA / Software Testing
• Strong understanding of the full QA lifecycle within SDLC
• Ability to independently design effective test coverage
• Hands-on experience creating test cases, checklists, and test scenarios
• Practical experience with functional, regression, integration, end-to-end, exploratory, and acceptance testing
• Experience testing web applications
• Experience testing mobile applications (iOS & Android) on real devices and cloud device farms (e.g., BrowserStack or similar)
• Strong API testing skills using tools such as Postman and Swagger
• Solid understanding of client–server architecture, data flows, and web communication protocols (HTTP, WebSocket, webhooks)
• Experience with risk-based and research-based testing approaches, including edge-case identification

• Strong analytical thinking, attention to detail, and ownership mindset

   

🎁 What We Offer:
Remote-friendly, full-time role with flexible working hours
21 vacation days + 5 paid sick days per year
Corporate English language courses
Supportive and professional team
A modern work environment with opportunities for growth
Involvement in large-scale and innovative outstaffing projects

📩 Interested? Send us your CV — we’re excited to get to know you!

Our client  is a Shopify App that helps e-commerce businesses advertise their products on the biggest advertising platforms. 

We’re looking for a Senior Full Stack Engineer to join our team full-time. As a core part of the engineering team, you will contribute to building and maintaining the backend/front-end systems that power our platform, ensuring scalability, performance, and reliability.

What you’ll do

• Design, develop, and maintain backend/front-end services, APIs, and systems to support Adwisely’s platform.
• Write clean, efficient, and scalable code using Python 3/Django, and JavaScript/React.
• Optimize database performance and work with SQL, PostgreSQL, and no-SQL databases.
• Implement and maintain infrastructure and deployment pipelines using AWS and Docker.
• Ensure the reliability and performance of the platform, troubleshooting and resolving issues as needed.
• Collaborate with the product team to understand business requirements and translate them into technical solutions.
• Conduct thorough code reviews and enforce coding standards to maintain a high-quality codebase.
• Continuously improve existing backend systems, identifying opportunities for optimization and refactoring.

This role is perfect for you if you...

• Have strong experience with Python 3 and Django.
• Have experience with JavaScript and front-end frameworks.
• Are skilled in database management, including SQL, PostgreSQL, and no-SQL technologies.
• Have a deep understanding of web technologies and protocols, including HTTP.
• Are experienced with containerization tools like Docker and managing deployments.
• Have a solid understanding of building scalable and maintainable backend architectures.
• Are comfortable working in a Linux-based environment.
• Enjoy solving challenging technical problems and optimizing systems for performance and scalability.
• Pay close attention to detail in your work, especially in writing code and conducting code reviews.
• Thrive in a collaborative team environment and enjoy contributing to team success.

Will be a plus if you...

• Are familiar with GoLang and GraphQL.
• Have worked with Facebook Marketing API, Google Ads API, or Shopify APIs.

Why Join Adwisely?

• Impact: Your work will directly contribute to the success of Adwisely’s platform and help e-commerce businesses grow.
• Focus on Engineering: Work on exciting backend challenges while collaborating with a team of like-minded professionals.
• Culture: Join a small, collaborative team where your contributions are valued and you can grow professionally.
• Growth: Be part of a fast-growing company, with opportunities for career progression as we scale.

What we offer

• opportunity to earn equity in the company, giving you ownership and a stake in Adwisely’s success
• possibility to make architecture decisions
• opportunity to lead development process and deliver value directly to paying clients
• flexible schedule and ability to work remotely
• competitive salary
• paid vacation

We are passionate about our Team and the product we create, we never stop learning and always stay curious. Come join us to grow together!

We are looking for a System Analyst with experience in telecom and IT projects to join a project for a telecom operator. You will be responsible for analyzing business needs, designing system architectures, and working closely with cross-functional teams to deliver effective solutions.

Key Responsibilities:

• Study and analyze the architecture and interaction of existing telecom, IT, and BSS systems
• Analyze business needs of internal/external clients, consider possible limitations, and design solution architecture
• Provide expert evaluation of project documentation (briefs, concepts, etc.)
• Align requirements between internal/external stakeholders and other involved parties
• Analyze complex business processes and model them using UML or BPMN

• Design system architecture and define detailed system requirements

   

Qualifications:

• Higher education, preferably in Information Technology, Computer Science, or Applied Mathematics
• Experience in telecom domain
• Experience working with systems such as Billing, CRM, DWH, and others
• At least 3 years of experience as a System Analyst in IT projects
• Knowledge of telecommunications networks (GSM, GPRS, EDGE, CDMA, etc.) and TCP/IP, Ethernet, IP infrastructure is a plus
• Understanding of REST architecture and basics of DBMS
• Experience with Jira, Confluence, and Enterprise Architect
• Strong analytical thinking, ability to gather, formalize, and document business requirements within a project/task
• Ability to adapt quickly to changing requirements and technologies
• Project management skills: project planning, RACI matrices, conducting meetings, documenting meeting notes
• Ability to effectively collaborate with different company departments (emails, meetings, tasks) and take responsibility for delivering results

• Strong communication and stakeholder management skills

   

Would be a plus:

• Experience with MS Project
• Experience with large-scale projects and working with multiple enterprise-level systems

We are Nordcurrent Dnipro, a Lithuanian-Ukrainian gamedev company. We don’t just love mobile games—we create them in the casual genre. We are currently looking for a talented 2D Artist to join a new mobile project within the company. You will join the project at a stage where a clear vision and core foundations are already established, but there is still significant space for creative influence and shaping the final look of the game. Your decisions will directly impact the player experience for millions of future players.

Your Key Responsibilities:

• Work closely with the Art Team and other departments to ensure high-quality development and smooth project operation;
• Create diverse in-game assets, including characters, backgrounds, mechanics, props, and more;
• Ensure a high level of art quality and consistency across the project.

A Successful Candidate Must Have:

• 2+ years of experience as an Artist on game projects;
• Understanding and ability to apply the principles of visual player interaction;
• Solid understanding of natural light, color theory, spatial reasoning, and knowledge of anatomy;
• Professional proficiency in Photoshop;
• Understanding of the game development process and pipeline;
• Experience working with AI tools (e.g., for concept ideation and workflow efficiency).

Extra Great to Have:

• Awareness of industry trends and tendencies;
• Ability to work in various art styles;
• Higher or specialized secondary education in the fields of Art or Architecture.

We Offer:

• Work within an experienced and professional team;
• A long-term project with strong potential;
• Direct communication and collaboration with Game Designers, Animators, and other specialists;
• An office in the center of Dnipro, equipped to meet military realities;
• Official employment, paid vacation, and sick leave;
• A friendly atmosphere and a culture where it is pleasant to work and rest;
• Opportunities to participate in various company events and show initiative;
• Support for professional growth and training opportunities.

How to Apply:

• If you are interested in the position, please apply. Please note that applications without a portfolio will not be considered.
• Our HR specialist will contact you.
• The next steps include interviews and meeting team specialists (Artist, Manager), as well as a test assignment for a better understanding of the project’s visual style.
• If both you and we are happy with everything—we start working!

Job description

Infineon’s Power System IC (PSI) Software Development team is seeking a Principal Firmware Engineer to contribute to the design and development of embedded firmware for our advanced DC/DC power conversion ICs. If you have a strong foundation in embedded systems programming and are eager to learn and grow your skills, we’d love to hear from you. Apply now and join us in Lviv!

In this role, you will create control firmware for a family of MCU-based digital power controllers for various DC/DC power supply topologies. This will enable real-time control, configuration, and communication with external systems through serial protocols such as I2C, PMBus and UART.

In your new role, you will:
 

• Write and test embedded firmware for power IC applications using C
• Implement real-time control and configuration firmware for embedded systems
• Interface with serial communication protocols such as I2C, PMBus, and UART
• Conduct firmware development for peripherals such as ADC, DAC and communication interfaces
• Assist in debugging and validating embedded firmware with mixed-signal hardware in a lab environment
• Collaborate with hardware and software engineers to ensure seamless functionality
• Create and maintain documentation, including feature descriptions, user guides, and firmware design specifications
• Contribute to new ideas for firmware improvements and participate in code reviews to maintain quality standards

Your profile
You are a hands-on engineer with a strong interest in embedded firmware development. You coordinate effectively with colleagues, share insights proactively, and take initiative to overcome technical challenges. You have high standards and a commitment to continuous improvement.

You are best equipped for this task if you have:
 

• A bachelor’s or master’s degree in electrical engineering, Computer Science or similar
• At least 3 years of experience in embedded firmware development
• Experience in DC-DC power conversion systems, with basic understanding of mixed-signal systems (good to have)
• Proficiency in C programming for embedded systems, and familiarity with Python is a plus
• Familiarity with serial communication protocols such as I2C, UART, or PMBus and experience debugging firmware with hardware circuits
• Familiarity with version control systems (e.g., GIT) and debugging tools (e.g., JTAG) and bug tracking systems like JIRA is a plus
• Knowledge of bare-metal, RTOS environments, and device drivers is a plus
• Strong problem-solving and collaboration skills, as well as good communication skills in English

Please send us your CV in English

Responsibilities

• 3+ years of experience with retention campaigns in iGaming (casino/betting);
• Knowledge of key metrics: Retention rate, LTV, ARPU, Churn, DAU/WAU, Bonus cost, deposit statuses, and behavioral triggers;
• Skills in audience segmentation and building hypotheses for different segments (new, active, dormant, VIP);
• Experience working with CRM systems (e.g., Optimove, Exponea, Salesforce Marketing Cloud, etc.);
• Ability to independently launch, test, and optimize campaigns;
• Strong proficiency in Excel/Google Sheets, data analysis, and result visualization;
• Understanding of compliance and responsible gaming requirements within retention communications;
• Experience running A/B tests.

Requirements

• Experience in launching a retention function from scratch or participating in the launch of a new product;
• Skills in working with BI tools (Power BI, Tableau, Looker);
• Experience with push, in-app, SMS, call center, and offline activations;
• Experience communicating with product, VIP, marketing, and support teams;
• English level: Upper-Intermediate or higher;
• Understanding of seasonality, behavioral patterns, and specifics of different GEOs;
• Experience in identifying and localizing problems.

Requirements:
 

- At least 3-5 years of experience as an Automation QA engineer;

- Strong Python knowledge;

- Experience in AI testing or AI-assisted QA tools;

- Practice in testing LLM and RAG applications, including prompt validation;

- Strong knowledge of theory and best practices in testing of web applications;

- Proven track record of building UI and API test frameworks from scratch;

- Hands-on experience with Selenium WebDriver;

- Experience with CI/CD and Docker;

- Experience with non-relational and relational databases;

- Experience with CLI and HTTP(s)/SSH protocols;

- Experience of API testing;

- Good analytical skills and attention to detail.

Will be a plus:

- Knowledge of ML workflows and frameworks; 

- Experience with Elasticsearch, Kibana;

- Experience in Cyber Security.

Responsibilities:

- Design, develop, and maintain automated API and functional tests to ensure product quality and reliability;

- Implementation of AI tools for product testing;

- Build tooling and CI/CD integrations (GitLab CI/CD, Jenkins) to enable faster feedback cycles and scalable test coverage;

- Managing defects: investigating, reporting, and tracking them to resolution;

- Collaborating with the development team, QAs, DevOps, and the management team;

- Define and drive key quality metrics; deliver actionable insights through dashboards and reports.