Jobs at Djinni

About us

Wildix is the first 100% secure, easy-to-use, professional web-based UC&C system, recognized as a Niche Player in the Gartner® Magic Quadrant™ for Unified Communications as a Service in 2021.

Founded in 2005 by two Italian brothers, Steve and Dimitri Osler, we are now among the fastest-growing companies in the UCaaS sector. Headquartered in Tallinn, Estonia, we have more than 250 staff members representing over 15 nationalities. Our team works across Europe, the UK, the Americas, and Ukraine, serving more than 135 countries through our partner ecosystem.

We created what we call the Blue Ecosystem: the way partners, end-users, the company, and our employees communicate with each other.

Our mission is to facilitate internal and external communication between companies and their customers worldwide, using web browsers and mobile applications, thereby increasing productivity and efficiency.

Who we are looking for

We are looking for a Middle AQA Engineer to join our team. You will work on an innovative Real-Time Collaboration Platform including Conferencing, Audio calls, Integrations and Chat as well as multiple other services.

Are you up for the challenge?

How You Will Make an Impact:

• Define test automation strategy
• Test data and test environment preparation
• Test case adjustments for automated testing needs
• Creating E2E regression, functional and Visual Regression Testing autotests
• Creating API autotests
• Analysis of regression reports and raising bugs effectively
• Maintaining and improving the automated testing framework
• Taking an active part in Kanban meetings, using Kanban/DevOps practices and techniques
• Using, analyzing, maintaining, and improving QA processes and practices, as well as implementing new practices that will optimize the delivery of work items on all stages

What You Bring to the Team 

• 3+ years of commercial experience as a QA Automation
• Advanced experience in auto-testing web and mobile apps using Javascript, Appium, and one of auto-testing frameworks (WebdriverIO, Playwright, Selenium etc.)
• Basic experience with Git
• Linux knowledge (user / confident user)
• Solid understanding of test design techniques and types of testing
• Good knowledge of QA Automation best practices
• Good communication skills, a strong sense of responsibility, attentiveness, and good learning skills
• At least intermediate level of English

Now, it would be fantastic if You 

• Have experience in test automation with WebdriverIO
• Have experience in CI/CD integration (Jenkins, Gitlab CI etc.)
• Have experience with cloud technologies (AWS)
• Worked with TestRail, JIRA

Why You’ll Love it here:

• Be part of the fastest-growing, talent-focused company in Unified Communications 
• Career growth opportunities
• Working hours (9:00-18:00 or 10:00-19:00)
• Paid vacations and sick leaves 
• English courses with native speakers
• Coverage of costs for certification and IT conferences
• We care about your health and well-being, which is why we offer a healthcare insurance
• Possible remote collaboration

Hiring process:

• Discovery Interview with Talent Acquisition Specialist (30 minutes)
• Technical interview with the Hiring Manager and QA Lead (60 minutes) to dive deeper into the role's specifics

We are Wildix:

Wildix is an equal opportunity employer. We value diversity and welcome all applicants regardless of race, gender, age, religion, or any other characteristic. Everyone is encouraged to apply and is welcome to join our Blue Ecosystem. 

Do you want to learn more about Wildix? Apply Now!

We are looking for a passionate Full-Stack Software Engineer with extensive experience in PHP and JavaScript who loves engineering and the product creation process. You will be responsible for developing new functionality, integrating different systems, optimizing, and modernizing the existing codebase.

The ideal candidate has experience in:

- PHP 8.X, multiple frameworks and libs;

- JavaScript from vanilla JS to React and ES14;

- HTML, CSS, SCSS, post-processing, scaffolding systems;

- relational databases, DB schema, and queries optimization;

- Linux, docker, CI/DI, bash;

- software engineering principles, architecture patterns, application scalability, low latency system availability;

- experience with cloud platforms such as AWS or Azure;

- problem-solving skills;

- communication and collaboration skills.

You will be responsible for:

- develop, architect, and maintain SaaS using PHP and its frameworks;

- implement frontend using JavaScript (from vanilla JS to modern libs and frameworks), HTML, SCSS;

- create and maintain RESTful APIs (SaaS and Proxy-APIs);

- design and optimize database interactions (PostgreSQL, AWS DynamoDB);

- write clean, testable, efficient, and maintainable code;

- test and debug your code to ensure the reliability and performance of the applications;

- collaborate closely with founders and service folks to deeply understand our customers/users.

Seniority:

- university degree (non-courses/academies; only technical university education);

- minimum 7+ years of actual experience (non «freelance», no gaps, ONLY respect years after a university degree);

- your years in IT don’t guarantee your seniority;

- the slope of your learning is MORE important than your total years in IT, but don’t kid yourself;

- this job vacancy is not for newcomers/juniors/entry/majority-mid level, one framework developer, and ONLY for product development folks.

The position is ONLY for Ukraine citizens. We don’t consider outsourcing, out-staffing, freelancing, or man-in-middle schemes; we only hire in Core Team as Core Team Member.

Join us for a fabulous adventure!

We are currently hiring an expert-level WordPress developer to lead our project. This is a full-time role that requires full focus and dedication. If you're currently employed elsewhere or looking for a second job, this position is not a fit.

Our platform connects businesses with talent from all over the world so they can book, hire, and collaborate seamlessly.
 

This is not a standard WordPress role. We’re looking for someone with deep technical ability who can work across databases, write and integrate APIs, and develop advanced custom solutions—not just tweak templates. You should have experience building and scaling complex platforms beyond the basics of WordPress.
 

We are building what will become the operating system for the entertainment industry, and we need people who are ready to push hard, work with urgency, and take real ownership over what they build. If you’re someone who thrives in fast-paced environments, takes initiative without being asked, and wants to help drive a product forward—not just complete assigned tasks—this could be a great fit.

What We're Looking For:

• Hard Worker with Drive: You're not just looking for a 9–5 gig. You’re driven, committed, and not afraid to put in long hours when needed to help us hit important goals. You have the mindset and energy to push through product sprints and build something meaningful.
• Deep Technical Expertise: You go far beyond WordPress basics. You're comfortable working with PHP at a high level, managing and optimizing large databases, and building as well as integrating APIs from scratch.
• Proactivity and Initiative: You don’t wait for permission—you spot issues, propose improvements, and start building better solutions on your own.
• Product-Focused Mindset: You think beyond code and care about the user experience and business outcomes. You contribute thoughtful feedback that improves the product.
• Independent and Reliable: You don’t need to be micromanaged. You take ownership of your work and follow through with accountability.
• Thorough and Detail-Oriented: You test your own work, troubleshoot edge cases, and take pride in delivering clean, functional code.
   

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:
 

• Accelerate your career in an open, innovative product company.
• Work with a highly talented team to solve complex problems using the latest technologies.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities:
 

• Source and recruit candidates for IT roles (Developers, BAs, QAs, etc).
• Screen candidates resumes and job applications.
• Manage the interviewing process.
• Provide analytical and documented recruiting reports to the rest of the team.
• Develop & execute a recruitment strategy.

You will be joining a well-versed team if you have:
 

• University degree in Foreign Languages.
• Fluent in English.
• Currently live in Vinnytsia.

Inforce is a Software Development Company that provides a full range of top-quality IT services. Our mission is to develop first-class applications and Websites to provide our clients with the best solutions for maximizing their profits and converting their ideas into reality.

Required:

- B2+ English level

- Experience with React/Redux

- Experience with REST API/HTTP methods

- Experience with Git

Responsibilities:

- Development of new system functionality and introduction of changes to existing functionality

- Write program code according to defined application architecture

- Perform analysis, verification, and debugging of the software code at the level of application units

- Estimate and set up task completion terms independently

- Use a version control system to track code optimization progress and to merge or split program code entities

- Need to attend daily team meetings

We offer:

- Competitive salary

- Interesting and challenging projects

- Future career growth opportunities

- Paid sick leave and working day vacation

- A friendly team of professionals

- Delicious coffee biscuits and tea for your good mood

- The company covers 50% of the cost of courses you need

- Exciting team-building activities and corporate parties

- Office in the city center

We’re looking for a Technical UI/UX Designer to join our team! This role is multi-disciplined, requiring a blend of design and implementation skills to help bring our game’s interface and experience to life. The ideal candidate will be interested in working in a high-energy, creative, and collaborative environment. You are entrepreneurial in spirit and enjoy wearing many hats. You have a deep understanding of the UI/UX design process, including ideation, prototyping, and final implementation in Unreal. Your goal is to create engaging, intuitive, and visually compelling interfaces that enhance gameplay and improve user experience.

IN THIS ROLE, YOU WILL

• Design and implement UI features using Unreal Engine’s tools (Blueprints, UMG) focusing on usability.
• Create wireframes, mockups, and prototypes that illustrate user journeys and UI/UX concepts.
• Work with engineers and artists to bring UI to life, balancing technical constraints and design goals.
• Collaborate with multiple departments to ensure a cohesive and high-quality user experience.
• Strong attention to detail with analytical thinking combined with strong initiative and responsibility.
• Provide feedback on UI/UX design improvements and refine designs based on user testing and project.
• Scope UI/UX requirements for features and help define execution plans to ensure timely implementation.

• Implement improvements to UI workflows and processes to enhance efficiency across the team.

   

EXPERIENCE AND SKILLS

• 5+ years of experience as a UI/UX Designer working on game projects for PC or console.
• Strong design principles and experience creating intuitive, responsive, and visually appealing interfaces.
• Proficiency with Unreal Engine 4 or newer (Ideally UE5+), including UMG and Blueprint scripting.
• Familiarity with version control systems such as Perforce.
• Experience in creating wireframes, prototypes, and final UI elements.

• Intermediate English+; (Part of the team speaks only English)

   

PLUSES

• Knowledge of API and backend integration for dynamic UI elements.
• Experience working with Unreal Engine 5.
• Familiarity with tools like Figma, Adobe XD, or equivalent.
• Experience with Jira and Confluence or equivalent.
• Degree in design, computer science, or equivalent.

WHY WORK WITH US?

• We are a fully remote studio!
• We are genuine – and we want you to be yourself and seek to foster an inclusive environment with us.
• We embrace diversity and desire to build a team of open-minded individuals with different perspectives.
• We have a sense of humor and while we take the work seriously, we take ourselves less so.
• You'll be hard-pressed to find a happier group of people to work alongside.
• More about the project can be explained under NDA!

Globy, an innovative product company, is seeking a skilled Middle Node.js Developer to join our dynamic team. In this role, you will contribute to the development of cutting-edge backend systems using modern technologies. Your expertise will drive the creation and optimization of scalable services, with a particular focus on developing new features and subscription-based payment systems using Stripe.

Key Technologies:
 

• NodeJS

• ExpressJS

• MongoDB & Mongoose

• Redis

• HTTP

• Socket.io

• Microservices Architecture

• Docker

Responsibilities:
 

• Design, develop, and maintain high-performance backend systems.

• Implement and enhance subscription functionalities using Stripe.

• Build RESTful APIs and integrate middleware solutions.

• Collaborate with cross-functional teams to design robust, scalable applications.

• Optimize database design and queries (SQL and NoSQL).

• Ensure adherence to backend security and authorization best practices.

• Troubleshoot, debug, and upgrade existing software.

Requirements:
 

• 4+ years of professional experience in Node.js development, demonstrated through both commercial projects and personal initiatives.

• Strong proficiency in ExpressJS, middleware integration, and asynchronous programming.

• Deep understanding of HTTP, RESTful APIs, and API documentation standards (e.g., Swagger).

• Proven experience working with databases (both SQL and NoSQL), including design and optimization.

• Solid background in backend security principles and authorization practices.
 

 Essential: 

• Demonstrated experience in developing subscription-based payment systems using Stripe or similar. 

• Exceptional problem-solving skills, keen attention to detail, and a passion for continuous learning.

Benefits:

• Completely Remote Position 

• Competitive Salary in USD

• Professional Growth 

• Collaborative Environment

We are seeking a Senior Angular Engineer to join our team. 
Requirements:
 

• 8+ years of professional experience in frontend software development.
• Expertise of Angular migration for updating the version (Angular 17+).
• Architecture and systems experience: must be able to build modules that are scalable and fault-tolerant, as well as designing architectures that are intuitive and extensible for other engineers.
• Experience at the development with the SSR support.
• Experience with Material Design or similar Frontend Frameworks.
• Experience of developing multi-language, SEO-optimized projects.
• Multi-browser optimization and adaptive layout development.
   

Responsibilities:
 

• Design and develop product functionality.
• Refactor/optimize the existing solution.
• Performance review and optimization of the services.
• SEO optimization at the components.
• Taking part in design planning for Epics.
• Taking care of KISS and DRY principles to prevent complexity from growing.
• Taking part in testing coverage for existing functionality.
• PR's review for the team.
  
  
   

About Us: InnovatelU is a dynamic tech company delivering cutting-edge solutions. We're looking for a passionate Java Developer to join our team. If you have a solid Java foundation, are eager to grow, and learn quickly, we want to hear from you! 

Requirements: 
- Strong knowledge of Java 
- Knowledge of Spring (Spring Core, Spring AOP, Spring MVC, Spring Security, Spring Boot) 
- Familiarity with REST APIs, web services 
- Proficiency in version control tools (Git) 
- Experience with build tools like Maven and Gradle 
- Experience with relational databases (PostgreSQL) 
- Expertise in containerization (Docker) 

- Experience in unit and integration testing 
- Strong communication skills and teamwork ability 
- English level: Intermediate or higher 

Will Be a Plus: 

- Solid understanding of design patterns 

- Experience with NoSQL databases like MongoDB and Redis 

- Familiarity with messaging systems like Kafka and RabbitMQ 

- Experience with microservices architecture 

Responsibilities: 

- Collaborate with senior developers and project managers 

- Assist in designing, coding, and testing applications 

- Write well-designed, efficient, and testable code 

- Participate in code reviews 

- Debug and resolve technical issues 

- Contribute to application documentation 

Interview Stages: 

1. Test Task: 30 minutes 

2. HR Interview: 30 minutes 

3. Technical Interview: 1 hour 

We Offer: 

- Full Remote 

- Constant support and mentoring 

- Paid 5 working days of sickness per a year; 

- Paid all official Ukrainian holidays; 

- 18 working days of vacation per a year; 

- Opportunity for professional growth and career development 

If this sounds interesting to you, let's talk!

Location: Remote
Company: PayPro Global

About Us:
At PayPro Global, we’re a leading provider of Merchant of Record services, delivering complete payment solutions with tax compliance for software, SaaS, and video game companies. We’re looking for a dedicated Sales Assistant to support our VP of Sales in ensuring efficient sales pipeline management and smooth coordination of sales activities.

Position Summary:
We’re seeking a highly organized and proactive Sales Assistant to our VP of Sales. This entry-level role is ideal for someone with a keen interest in sales operations who thrives in a fast-paced environment. 
You’ll help qualify early-stage deals, monitor and report on sales activities in HubSpot, and manage the day-to-day needs of the VP of Sales. Previous experience is not required, but familiarity with sales tools, particularly HubSpot, is a plus. If you’re passionate about sales, detail-oriented, and ready to contribute to a high-performing team, we’d love to hear from you!

Key Responsibilities:
1. Deal Qualification: Work closely with the VP of Sales to qualify potential deals early in the pipeline based on provided instructions and criteria.
2. Sales Reporting: Monitor reports and activities in HubSpot, ensuring accurate tracking and assisting in maintaining an updated sales funnel.
3. Sales Coordination: Coordinate meetings, activities, and follow-ups, ensuring smooth communication and organization across the team.
4. Administrative Support: Attend to the daily needs of the VP of Sales, offering support in various tasks that drive sales efficiency and effectiveness.

Who You Are:
Organized and Detail-Oriented: You enjoy creating order and thrive on managing multiple priorities.
Proactive: You anticipate needs and act without constant guidance.
Adaptable: You are comfortable working in a fast-changing environment and can quickly adjust to new tasks and challenges.
Interest in Sales: You have a genuine curiosity about the sales process and want to support an executive in growing our business.

Requirements:
- Entry-level position; no prior experience required, though experience as a sales researcher or SDR, or working with tools like HubSpot, is an advantage.
- Strong communication and coordination skills.
- Ability to work remotely and maintain a high level of productivity and accountability.

Why Join Us?
- Work remotely and have a flexible work environment.
- Gain valuable exposure to sales operations and mentorship under an experienced VP of Sales.
- Join a supportive team focused on growth and innovation in the digital payments space.
- Become a part of a company when you will feel a priority
- Benefit package + paid vacation/sick leave
 

Join Burny Games — a Ukrainian company that creates mobile puzzle games. Our mission is to create top-notch innovative games to challenge players' minds daily.

What makes us proud?

• In just two years, we've launched two successful mobile games worldwide: Playdoku and Colorwood Sort. We have paused some projects to focus on making our games better and helping our team improve.
• Our games have been enjoyed by over 8 million players worldwide, and we keep attracting more players.
• We've created a culture where we make decisions based on data, which helps us grow every month.
• We believe in keeping things simple, focusing on creativity, and always searching for new and effective solutions.

We are seeking an experienced software engineer to create a high-performance, scalable, and flexible real-time analytics platform.
You will be a key member of our team, responsible for the architecture, development, and optimization of services for processing and analyzing large volumes of data (terrabytes).
 

Required professional experience:

• 5+ years of experience in developing distributed systems or systems at scale.
• Willingness to upskill on Go, proficient in one of languages: Go, Python, Java/Scala/Kotlin, Rust.
• Rock solid computer science fundamentals.
• Experience with any NoSQL (preferably Cassandra) and OLAP (preferably ClickHouse) databases.
• Experience with distributed log-based messaging system (one of: Kafka, NATS JetStream, etc)
• Experience with Kubernetes (Helm, ArgoCD).
   

Desired Skills:

• Experience with common networking protocols.
• Experience working with observability tools, such as metrics and traces.
• Database fundamentals.
• Understanding of scalable system design principles and architectures for real-time data processing.
• Experience with distributed processing engine (one of: Flink, Spark).
• Experience with open table format (one of: Apache Iceberg, Delta Lake, Hudi).
• Experience with cloud platforms (one of: Google Cloud, AWS, Azure).
   

Key Responsibilities:

• Design and develop the architecture of an behavioral analytics platform for real-time big data processing.
• Implement key engine systems (data collection, event processing, aggregation, prepare data for visualization).
• Optimize the platform performance and scalability for handling large data volumes.
• Develop tools for user behavior analysis and product metrics.
• Collaborate with data analysts and product managers to integrate the engine into analytics projects.
• Research and implement new technologies and methods in data analysis.
   

What we offer:

• 100% payment of vacations and sick leave [20 days vacation, 22 days sick leave], medical insurance.
• A team of the best professionals in the games industry.
• Flexible schedule [start of work from 8 to 11, 8 hours/day].
• L&D center with courses.
• Self-learning library, access to paid courses.
• Stable payments.
   

The recruitment process:

CV review → Interview with talent acquisition manager → Interview with hiring manager → Job offer.

If you share our goals and values and are eager to join a team of dedicated professionals, we invite you to take the next step.

Our client specializes in building Crypto, Web3, and various White-Label Solutions. The DevOps Engineer will be primarily responsible for supporting the firm's general infrastructure through the automation of established systems. Our ideal candidate for this position is enthusiastic, has a solid technical foundation, learns quickly, and can communicate well across teams. This is an excellent opportunity for a candidate looking to gain hands-on experience with a rapidly growing organization. If you are already in the crypto space, or if you want to get in, this could be the opportunity you’ve been waiting for.

Technical stack:

● Terraform CDKTF

● Typescript

● Linux

● AWS

Nice to have:

● Puppet, Packer

● CI/CD pipelines (GitHub Actions, Travis)

● Serverless, ECS

Responsibilities:

● Work with the development teams to deliver infrastructure using CDKTF. Cross-team communication is a key part of the job!

● Maintain and extend the build pipeline. There are several components to this: the CI architecture in GitHub Actions, building container images with Puppet and Packer, and resolving service issues working with the development team.

● Develop Typescript CLI tooling to automate everything involved in the job responsibilities.

Qualifications

● 5+ years of experience working with AWS

● 5+ years of experience in Platform Engineering, DevOps, or other related field

● Experience of using Typescript/JavaScript for DevOps

● English is our global team’s common language, so strong verbal and written communication skills in English are required.

We thank all those who apply, however, there is a possibility from our side, of not responding to some candidates who do not match the requirements, due to a large number of applicants. Thank you for your understanding.

🎁 We offer:

- Daily support for your technical and personal growth;

- Professional and very friendly team, that is always ready to help and support;

- Medical Insurance;

- Flexible working hours;

- Offices in Ukraine and Poland;

- All official holidays;

- Paid vacation and sick days;

- Legal services and 24/7 lawyer protection;

- Tax & accounting services;

- The company provides all the necessary equipment;

- Fitness support upon request;

- English classes up to three times a week;

- The company pays 50% of the cost of refresher courses for any employee of the company;

- Workstation space;

- Mentoring and Educational Programs;

- Regular Activities on a Corporate level (Team Buildings, Sports Events, Table Games, Tech Events);

- Advanced Bonus System.

The company is a global marketing tech company, recognized as a Leader by Forrester and a Challenger by Gartner. We work with some of the world's most exciting brands, such as Sephora, Staples, and Entain, who love our thought-provoking combination of art and science. With a strong product, a proven business, and the DNA of a vibrant, fast-growing startup, we're on the cusp of our next growth spurt. It's the perfect time to join our team of ~450 thinkers and doers across NYC, LDN, TLV, and other locations, where 2 of every 3 managers were promoted from within. Growing your career with the company is basically guaranteed.

We're seeking a talented Senior Fullstack Developer to join our team. As a key member of our engineering team, you'll play a pivotal role in developing and maintaining critical features for our campaign orchestration platform. You'll work in an agile environment, contributing to iterative development and continuous improvement.

Responsibilities:
 

• Develop end-to-end features in a complex, data-intensive web application.
• Focus on high-quality client-side development (about 60% client).
• Take part in the design and implementation of client-side infrastructure.
• Write clean and maintainable code, including high coverage of unit and E2E tests.
• Provide guidance and mentoring for other team members.

• Initiate and lead infrastructure improvements and strive for excellence.

   

Requirements:
 

• B.Sc. (or higher) in computer programming (or equivalent).
• 5+ years of total experience in Web Development
• 3+ years of professional experience with client-side development in Angular.
• 2+ years of experience with backend development (in C#, Node.js or TypeScript).
• Hands-on experience with relational databases (SQL).
• Hands-on experience in designing and developing large-scale highly performing applications - a must.

• Strong background in computer science fundamentals - data structures, object-oriented programming, and multi-threading.

   

Advantages:
 

• Good understanding of micro-services architecture, experience with Docker and orchestration infrastructures (K8S).
• Experience with cloud databases such as Snowflake.
• Experience with automation frameworks such as Cypress and Cucumber.
• Experience with NoSQL databases.
• Experience with working in a global organization or with offshore teams.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Ajax already released and continuously improves Malevich OS, which is a heart of our Hub’s. Now we are looking for Embedded Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills: 
 

• Proven experience in developing embedded real-time applications for commercial products.
• Excellent knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems
• Strong skills in various build systems.
• Excellent knowledge of C programming language
• Experience in debugging and validating complex embedded systems and protocol stack
• Understanding of operating systems: embedded developers usually need experience in programming in embedded Linux or similar embedded operating systems
• Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.

Would be a plus:

• Experience with STM, Realtek MCU's
• Experience with programming RF modules and development low-energy wireless solutions.
• Scripting languages Python, Bash
• Commercial experience with specific real-time operating systems.
• Leading of software engineers teams.
• Ability to multitask effectively among different projects in a fast-paced environment
• Basic electronics: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging
• Experience in commercial IoT projects.

Responsibility zone: 

• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation
• Analysis and systematic problem solving for SW reported issues
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design
• Delivery highly reliable Malevich OS releases
• Work with high-level and technical requirements for research and development new features
• Participate in making design decision to develop high performance and reliable embedded systems
• Create unit and functional tests
• Be ready to mentoring of newcomers|trainee coworkers
• Be ready to lead a feature team of software engineers to achieve goals and challenges.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The team is distributed among 2 offices in Kyiv and Lviv, all technical and product decisions are made locally.

Ajax already released and continuously improves Malevich OS, which is a heart of our Hub’s. Now we are looking for  Embedded Radio Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.


Required skills:

• Proven experience in short range devices development for commercial products;
• Understanding wireless technologies (e.g. Wi-Fi, Bluetooth, Zigbee, LoRa, NB-IoT) and protocols stack;
• Work with RF tools to capture, transmit and analyze RF signals from/to radio broadcast. Vector network analyzer, signal generator, spectrum analyzer, software defined radio;
• Knowledge about circuit/block design of RF receiver/Transmitter, frequency synthesizer, mixers, digital signal processing, antennas arrays. Understand interferer and collision in RF, methodology of resolve conflicts in RF;
• Understands different modulation techniques (AM, FM, PM, ASK, FSK, PSK, QAM), understands emit RF spectrums depend of modulation, understands receiver sensitivity, budget of RF channel;

• Knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems.
   

  Would be a plus:

   

• Experience with ARM Cortex M (STM, Realtek, TI etc);
• Scripting languages Python, Bash;
• Commercial experience with specific real-time operating systems;
• Understanding regulatory of usage radio frequency;
• Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.

    Responsibility zone: 

• Participate in the full embedded software life cycle for RF solutions: choise, design, implementation, code reviews, documentation, testing and validation;
• Fine tune RF chips for best performance;
• Create test environment to validate quality gates for radio solutions;
• Analysis and systematic problem solving for reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from radio perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Be ready to mentoring of newcomers|trainee coworkers.

   With us you will enjoy:

• Working with a team to build an industry’s future;
• The opportunity to propose and implement own ideas that have an impact on the product and production;
• Work in a motivated team and zero bullshit culture;
• Non-trivial challenges and various range of interesting tasks;
• Competitive salary;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.