Jobs at Djinni

Company
The company specializes in lead generation within the iGaming domain, primarily through SEO-driven solutions. They work on long-term client projects and are currently expanding their internal development team.

Position Overview

We are looking for a Lead / Senior Full-Stack Engineer who operates at a true senior / lead level — not by years of experience, but by depth of expertise and ownership.

This role is for someone who:

• takes full ownership of complex systems
• makes architectural decisions
• builds scalable solutions (not just features)
• sets and raises engineering standards within the team

Location & Format

• Remote
• EU time zone required
• Full-time, long-term cooperation

Language Requirements

• English — required for daily communication
• Strong English is a significant advantage

Team & Projects

You will join a stable team working on long-term lead generation platforms.

This is not a task-execution role. We expect you to:

• take ownership of complex technical decisions
• improve architecture and system performance
• raise the overall engineering bar within the team

Tech Stack

• PHP (Symfony)
• WordPress
• JavaScript
• HTML / CSS

Key Requirements

WordPress (must-have, advanced level)

• Experience building complex, large-scale WordPress systems (not content websites)
• Hands-on experience with WordPress Multisite (production)
• Strong experience with custom plugin development, including:
  • OOP
  • Composer / autoloading
  • Typed properties
• Experience with:
  • custom database structures
  • custom caching strategies (not plugin-based)
  • advanced use of WP_Query
  • improving developer & admin tooling

👉 If your experience is mostly theme customization or plugin usage — this role is not a fit.

PHP (strong senior level required)

• 5+ years with modern PHP (8+)
• Ability to design abstractions, libraries, and internal frameworks
• Experience with:
  • phpcs / phpcbf
  • custom sniffs OR PHPParser / AST
  • reflection & introspection
  • DTOs, Value Objects, clean architecture principles

Frontend / CSS

• Strong modern CSS skills (must-have)
• Understanding of browser rendering, layout, and performance

Performance & Optimization (critical)

• Deep understanding of Core Web Vitals
• Real experience with performance optimization (not just tools/plugins)
• Ability to identify bottlenecks and design custom solutions

Mindset & Approach

We are looking for engineers who:

• think analytically and architecturally
• deeply understand systems, not just tasks
• challenge “working solutions” and improve them
• proactively raise engineering standards

👉 If you mainly execute tasks and rely on predefined solutions — this role is not a fit.

AI Usage

• AI is allowed, but must not be a dependency
• Strong preference for engineers with deep system understanding
• AI-generated communication is discouraged

Start Date

• ASAP

Senior Python Engineer (AI-driven Recommendation Platform, iGaming domain)

About the Product

We are developing an AI-powered performance optimization platform for online casinos and sportsbooks. The solution helps operators improve key business metrics by increasing player engagement and loyalty through personalized recommendations and predictive analytics.

The platform collects and processes player behavior data across multiple systems, builds detailed user profiles, and generates actionable insights, including:

• identifying players who misuse bonus programs without long-term retention
• detecting patterns of risky or excessive gaming to support responsible play
• recommending relevant games and activities based on user preferences and behavioral history

You will join a team building scalable recommendation systems, working with large volumes of data, and implementing ML-driven personalization to enhance user experience within iGaming products.

Requirements

• 5+ years of backend development experience with Python
• Strong foundation in mathematics, statistics, or computer science
• Hands-on experience with FastAPI, Django, or Flask
• Solid knowledge of data structures, algorithms, and distributed systems
• Experience with SQL and NoSQL databases (PostgreSQL, Redis, DynamoDB, MongoDB, etc.)
• Practical experience with Kafka or RabbitMQ and asynchronous architectures
• Cloud experience with AWS (Lambda, S3, RDS, SQS, etc.)
• Experience designing and maintaining high-load, scalable systems
• English level — B2 or higher

Nice to Have

• Experience with recommendation systems, data analysis, or ML-based personalization
• Understanding of data pipelines and ETL processes
• Experience with Kubernetes, Docker, and CI/CD pipelines
• Familiarity with Elasticsearch and monitoring/visualization tools (Grafana, Kibana)

Responsibilities

• Design and develop scalable backend services for AI-powered recommendation systems
• Collaborate with data scientists and ML engineers to deploy models into production
• Optimize data storage, processing, and retrieval for large-scale user datasets
• Ensure system reliability, performance, and scalability
• Take part in architectural discussions, code reviews, and mentoring
• Contribute to new features aimed at increasing player engagement and retention

Tech Stack

Python, FastAPI, Django, Flask, Kafka, RabbitMQ, PostgreSQL, Redis, DynamoDB, AWS (Lambda, S3, RDS, API Gateway, CloudWatch), Kubernetes, Pandas, NumPy, SQLAlchemy, Celery, Elasticsearch, Prometheus, Grafana.

Description

Aetion is a healthcare technology company that provides real-world evidence (RWE) solutions and analytics software to biopharmaceutical companies, payers, and regulatory agencies. Their platform helps organizations analyze real-world healthcare data to generate scientifically validated insights about the safety, effectiveness, and value of medical treatments, guiding critical decisions in product development, regulatory approval, reimbursement, and clinical strategy.

We are transitioning ownership of a highly sensitive, HIPAA and ISO27001–compliant AWS environment from a legacy operational model to centralized engineering standards. We are looking for a senior, autonomous infrastructure engineer to stabilize existing systems, work through legacy complexity, and lead critical migration efforts toward supported, standardized platforms.

Requirements

Must-Have

Candidates must be able to demonstrate real, hands-on CLI experience in the following areas:

AWS Infrastructure
– Working via CLI with core AWS services
– Solid understanding of networking, storage, IAM, and common AWS components

Kubernetes
– Accessing, managing, and troubleshooting Kubernetes clusters using CLI tools (kubectl, contexts, basic cluster operations)

Python
– Practical coding experience
– Ability to read, understand, and modify existing Python code (not scripting-only or theoretical knowledge)

Required Technologies & Skills
– Cloud: AWS (EC2, VPC, IAM, S3, Transit Gateway, SSM, CloudWatch, Route53)
– IaC: Terraform (modules, state, providers), Packer
– OS & Networking: Windows environments, WSL, VPN technologies (OpenVPN, GlobalProtect)
– CI/CD: GitHub Actions (workflows, runners, OIDC)
– Strong ownership mindset and ability to work independently

Job responsibilities

Infrastructure Stabilization & Migration
– Troubleshoot and repair Image Builder / Packer pipelines to ensure secure and reliable base image generation
– Manage patching for isolated Windows environments
– Execute final migration steps from OpenVPN to GlobalProtect, including troubleshooting edge cases involving WSL and DNS

Infrastructure as Code
– Manage, refactor, and modernize a complex Terraform codebase migrated from CloudFormation
– Improve state management, modularization, and long-term maintainability
– Safely import and standardize legacy resources

Platform & Environment Ownership
– Operate confidently in legacy systems with incomplete documentation
– Make technical decisions that prioritize security, stability, and delivery

Product Marketing Manager (Digital Products / AI)

Remote / Ukraine / Europe friendly

We are launching a new direction focused on AI-powered digital subscription products.

Our goal is to build and scale multiple digital products where users subscribe and pay monthly for access.

We are looking for an experienced Product Marketing Manager who can combine product thinking, market analysis, and content strategy to help define, launch, and grow new digital products.

This role sits at the intersection of product strategy, user psychology, and marketing.

You will work closely with the founders, technical architect, and operations team to turn product ideas into scalable digital businesses.

Responsibilities:

Product Strategy

• Define product hypotheses and help shape new digital products
• Identify user needs and translate them into product direction
• Prioritize the roadmap with the team
• Analyze markets, competitors, and opportunities

Product Marketing & Growth

• Develop product positioning and value proposition
• Design acquisition strategy (channels, funnels, messaging)
• Coordinate product messaging across product and marketing

Content & User Experience

• Create and iterate core product content (stories, flows, explanations)
• Design product communication that drives engagement and retention
• Improve user flows and interface clarity together with design and tech

Product Analytics

• Analyze user behavior (retention, engagement, conversion)
• Monitor product metrics and adjust strategy accordingly
• Run experiments and test variations (content, structure, messaging)

Cross-team Collaboration

• Work closely with founders and technical architect
• Align product output with user needs and business goals
• Coordinate product direction across different stakeholders
   

Ideal Candidate

We are looking for a senior specialist with strong product thinking.

You likely have experience in one of these areas:

• Product Marketing Manager
• Growth Product Manager

• Product Manager with strong marketing focus

   

Required experience

• Experience working with digital products
• Strong understanding of product marketing and user psychology
• Experience analyzing metrics, funnels, and user behavior
• Ability to translate product ideas into clear value propositions
• Experience collaborating with technical teams

Strong advantages

• Experience with AI products or AI tools
• Background in SaaS/subscription products
• Experience launching or scaling new digital products

• Basic understanding of technical architecture or development

   

What we are looking for in a mindset

• Strong product intuition
• Analytical thinking
• Ability to explore markets and dig into problems
• Ownership mentality
• Clear communication and strategic thinking

We are not looking for a junior specialist — we need someone who already understands their strengths and can help shape new products from early stages.

What you will get

• Opportunity to build new AI-driven digital products from scratch
• Direct collaboration with founders
• Freedom to influence product strategy

• Work on multiple product ideas and experiments

   

Hiring process

1️⃣ Initial screening resume and hr interview

2️⃣ Discussion with founders

3️⃣ Final decision

💡 How to apply

Please include:

• Examples of digital products you worked on
• Your role in launching or growing them

Links to portfolio/case studies (if available)

We offer

• A modern office in central Warsaw/Poland, and Budva/Montenegro
• Opportunity to influence the company’s key processes and product development
• Competitive compensation
• Professional growth and participation in large-scale projects
• Access to top AI tools, templates, and analyst support
• Compensation for the cost of group English training
• Fully remote work
• Flexible schedule
• Long-term collaboration
• Compensation for sick leave and paid leave

We are looking for a Web Designer to join our remote team.

You will work on website designs and redesigns, logos, banners, and other visual assets. We need someone proactive — who researches, proposes solutions, and takes initiative, not just executes tasks. You will communicate directly with clients and work closely with our development team.

Please note: Part of our work involves projects in the adult industry. We value transparency, so we want to be upfront about this from the start.

Location: Remote (Outsourced)

Necessary skills:

• Proficiency in Figma — experience at least 1 year
• Strong UI/UX skills: wireframing, prototyping, user flows
• Experience designing websites, landing pages, logos, banners, and marketing visuals
• Ability to conduct design research and propose creative solutions independently
• Effective communication in English for client meetings and team collaboration
• Experience with project management tools such as Jira

Will be a plus:

• Proficiency in Adobe Photoshop and/or Illustrator
• Basic understanding of HTML/CSS
• Experience with motion graphics or UI animations
• Experience designing for video streaming or video-focused websites

Responsibilities:

• Design new websites and landing pages from scratch, as well as redesigns of existing ones
• Create logos, banners, and graphic assets for web and marketing use
• Build wireframes and interactive prototypes in Figma
• Conduct visual and UX research, propose and present design solutions
• Communicate directly with clients to gather requirements and align on direction
• Collaborate with the development team to ensure accurate implementation
• Participate in projects managed through Jira
• Log working hours accurately using a time tracker

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

What You’ll Do
 

Team Leadership & Organization

• Lead, organize, and scale the sales team to meet growth targets.
• Own hiring, onboarding, and ramp-up of new sales representatives.
• Define clear roles, responsibilities, and expectations across the team.
• Build and maintain sales playbooks, scripts, and documented processes.
   

Coaching, Training & Quality Assurance

• Provide ongoing coaching, feedback, and performance improvement plans.
• Run regular call reviews, QA sessions, and one-on-one coaching.
• Ensure high and consistent quality across cold calls, discovery calls, demo confirmations, and demos.
• Identify skill gaps and address them through targeted training and enablement.
   

Performance Management & Reporting

• Own team-level performance metrics and reporting (pipeline health, activity, conversion rates, revenue).
• Conduct regular performance reviews for individual reps and the team.
• Document performance trends, risks, and improvement actions.
• Be accountable for team results, with compensation tied to the team meeting defined performance criteria.
   

Supporting Sales Execution

• Spend time reviewing and shadowing sales reps, particularly during the first months in the role, to understand workflows, strengths, and gaps.
• Step in selectively to support sales activities when it directly helps team performance (e.g., onboarding periods, coverage gaps, or complex opportunities).
• Reinforce best practices by example, without owning a permanent individual quota or day-to-day rep responsibilities.
• Use hands-on involvement to inform coaching, process improvements, and training—not as the primary focus of the role.

Cross-Functional Collaboration

• Partner with Marketing to improve lead quality and funnel performance.
• Work closely with Implementation and Customer Success to ensure smooth handoffs and aligned expectations.
• Share customer feedback and market insights to improve messaging and sales strategy.

What You’ll Bring

• 5+ years of experience in B2B SaaS sales.
• Experience leading, mentoring, or managing sales representatives.
• Strong understanding of the full sales cycle and modern sales processes.
• Proven ability to coach and improve individual and team performance.
• Comfort managing performance, accountability, and difficult conversations.
• Data-driven approach to sales metrics and reporting.
• Excellent communication and organizational skills.
• Hands-on experience with CRM systems (HubSpot, Salesforce, Pipedrive).

    Nice to Have

• Experience in the landscaping, arbor, or field services industries.
• Background in fast-growing or scaling SaaS companies.
• Experience building onboarding or training programs.
   

What We Offer

• Competitive base salary + team-performance-based bonus.
• Fully remote role with flexibility across North American time zones.
• Opportunity to lead and shape a growing sales team.
• Direct impact on company growth and sales operations.
• The chance to work in the green industry, helping tree care and landscaping businesses operate more efficiently while supporting healthier urban forests and a more sustainable planet.

We are looking for an experienced Cloud & Virtualization Engineer to strengthen our team with deep expertise in Microsoft Azure and Hyper-V. In this role, you will design, implement, and optimize cloud and virtualized infrastructure.

Join the team! 

Experience and Skills:
 

• Solid knowledge and hands-on experience with Microsoft Azure, including Virtual Machines, Virtual Networks, Azure Active Directory, and other core services.
• Experience with Microsoft Hyper-V and its ecosystem: Hyper-V Manager, Virtual Machine Manager (VMM), Failover Clustering, SCOM, MOM, etc.
• Familiarity with Azure Stack / Azure Local solutions.
• A strong grasp of virtualization concepts, including designing, deploying, configuring Hyper-V environments, resource allocation, migrations, and high availability.
• Understanding how to optimize Hyper-V resource management for maximum hardware efficiency and performance.
• Knowledge of Microsoft licensing models and requirements.
• Confidence in deploying, configuring, and managing virtual machines and cloud resources in Azure.
• Familiarity with Azure Site Recovery for VM backup and disaster recovery.
• Experience working with container technologies (Docker) and Kubernetes: deploying, managing, and maintaining containerized workloads.
• Scripting and automation skills: PowerShell, Python, Terraform (others are a plus).
• Ability to write scripts for automating installation, configuration, and operations in both Azure and Hyper-V.
• Understanding of configuration management tools like Ansible for task automation.

 
What You’ll Be Doing:
Cloud & Virtualization Projects:

• Develop and implement strategies for migrating workloads to Microsoft Azure.
• Work with Azure services — deployment, configuration, maintenance, and upgrades.
• Design and maintain solution architecture using Azure Local and Microsoft Hyper-V.
• Configure and optimize Hyper-V networking: virtual networks, VPNs, routing, load balancing.

Architecture & Implementation:

• Take part in planning and executing projects based on Hyper-V and Azure.
• Define optimal configurations for Hyper-V and Azure environments based on project/business needs.
• Design and implement secure, reliable, and high-performance solutions using Hyper-V and Azure.

Automation & Monitoring:

• Build and maintain automation for cloud and virtualization environments (PowerShell, Terraform).
• Develop monitoring solutions and ensure service quality for Hyper-V and virtual machines.
• Create and maintain technical documentation and architectural diagrams.
   

We offer you:
 

• Having the capability to create something new and witness your own input 
• You can find confidence in the future here, but rest assured it won't be dull 
• Join a dynamic and expanding community. Our company is experiencing growth and expanding into Europe. Currently, we have offices in Kyiv, and Warsaw and plan to open additional locations in other countries. 
• Join our experienced team that values professional development and embraces new opportunities 
• Full-time employment contract 
• Multisport (light) 
• Paid vacation, sick leave 

We are looking for an IT Security Analyst with hands-on experience working with IT infrastructure and understanding cybersecurity compliance requirements.

The primary objective of the role is to conduct technical audits of security systems, infrastructure and processes, verify compliance with standards requirements and help departments implement secure practices. 
 

Main responsibilities:
 

• Conducting technical audits of IT infrastructure (servers, network, cloud services, access systems);
• Checking compliance with standards and regulatory requirements: ISO 27001,PCI DSS, NIST, internal security policies;
• Analysis of system configurations (Windows/Linux, network devices, IAM);
• Verification of: logging and monitoring, access management, network segmentation, backup, vulnerability management;
• Assessing the security architecture of IT systems;
• Preparing technical audit reports and recommendations;
• Interacting with IT teams to address identified risks;
• Participating in the implementation of security processes.
   

Main requirements:
 

• 4+ years in IT administration;
• 1–2 years in cybersecurity;
• Experience working in a company with formal security compliance requirements.
   

Technical knowledge:

• Windows Server / Linux, VMware;
• Networking (TCP/IP, VLAN, VPN, firewall);
• Active Directory / IAM;
• Logging and SIEM;
• Cloud infrastructure (AWS / Azure / GCP would be a plus);
• Basic knowledge of DevOps / containers would be a plus.
   

Security knowledge:

• System hardening;
• Access management;
• Vulnerability management;
• Security monitoring;
• Network security.
   

Standards:

• ISO 27001;
• PCI DSS;
• NIST.
   

Would be a big plus:
 

• Experience in technical audits;
• Work in a SOC;
• Experience in pentests or vulnerability scanning;
• Certifications: CISSP, CISA, CEH, ISO 27001.
   

What we offer:
 

• Having the capability to create something new and witness your own input;
• You can find confidence in the future here, but rest assured it won’t be dull;
• Join a dynamic and expanding community. Our company is experiencing growth and expanding into Europe. Currently, we have offices in Kyiv, and Warsaw and plan to open additional locations in other countries;
• Join our experienced team that values professional development and embraces new opportunities.
   

Requirements:

• 1–3 years of commercial development experience;
• Strong knowledge of JavaScript and TypeScript;
• Experience with Node.js and/or Bun.js;
• Experience with Vue.js is preferred; React is also acceptable;
• Good understanding of full-stack web application development;
• Understanding of WebSockets and real-time communication;
• Experience working with PostgreSQL;
• Good understanding of asynchronous programming;
• Confident working with the Git version control system;
• Strong analytical and problem-solving skills;
• Intermediate level of English.

Would be a plus:

• Experience with modern backend architecture and API design;
• Experience working with ORMs or query builders;
• Familiarity with deployment, CI/CD, and cloud environments;
• Experience building scalable products or SaaS platforms.
• Experience using AI tools for coding to improve productivity;

Responsibilities:

• Develop and maintain full-stack product features with attention to quality and performance;
• Participate in end-to-end development, from idea to production;
• Build both backend and frontend parts of the application;
• Work with real-time features using WebSockets;
• Deliver features quickly and efficiently.

About the Company:
 

We are an international iGaming startup operating in Tier-1 markets (DE, AU) with large advertising budgets. As part of expanding our performance marketing department, we are looking for a Senior Media Buyer who will be responsible for efficient traffic acquisition, consistent growth of key performance metrics, and the systematic development of the company’s advertising channels.
 

Responsibilities:

• Launch, manage, and scale advertising campaigns in Facebook Ads (Gambling / iGaming);
• Work with Tier-1 GEOs (DE, AU);
• Search for, test, and scale effective combinations (creatives, offers, landing pages, funnels);
• Optimize advertising campaigns based on ROI, CPA, and LTV metrics;
• Analyze performance, work with analytics tools, pixels, events, and attribution systems;
• Develop hypotheses and run A/B tests;
• Collaborate with the creative and product teams;
• Monitor profitability and scale successful strategies.
   

Requirements:

• At least 2 years of experience as a Media Buyer (mandatory in Gambling / iGaming);
• Proven experience working with Tier-1 GEOs (DE, AU, etc.);
• Strong expertise in Facebook Ads and campaign scaling strategies;
• Solid analytical skills and experience working with key metrics (ROI, CPA, LTV, CR);
• Understanding of funnels, offers, creatives, and hypothesis testing approaches;
• English level B2 or higher;
• Self-driven, responsible for results, and performance-oriented.
   

What We Offer:

• Fixed salary starting from $1,500 + performance-based bonuses (final conditions discussed individually);
• Fully remote work format;
• Work with Tier-1 markets and large advertising budgets;
• International team and modern tools;
• Opportunities for professional and financial growth;
• Participation in the development and scaling of the company’s products.

🚀 About Awesomic

We are a web app that matches businesses from around the world with the best-fit talents using an AI-driven algorithm. Since our founding in 2020, we’ve completed 14,000+ tasks for 4,000+ clients, including Reface, Lift99, SilviaTerra, Y Combinator startups, and various VC funds.

Now Hiring: AI-Native Growth Marketer to join our core team, own our performance marketing engine, and drive enterprise lead generation — powered by AI from day one.

Location: Europe; must be able to cover up to 12 PM PST.

🧑‍💻 What You'll Do:

• Own end-to-end performance marketing campaigns — set up, test, and iterate using AI-powered workflows (Claude or equivalent tooling)
• Drive enterprise lead generation as your north star metric — quality pipeline over vanity numbers
• Test hypotheses independently, track experiments rigorously, and bring clear metrics to every decision
• Do product marketing — translate Awesomic's positioning into sharp ad creative and messaging that converts
• Build automated marketing workflows using APIs (Meta Ads, Google Ads, LinkedIn, etc.) without waiting for engineering support

🧑‍🚀 About You:

• You think of AI agents as teammates, not novelties — you have a working stack of AI tools you use every day
• Proven experience running performance marketing campaigns end-to-end (not just managing agencies)
• Comfortable forming and testing growth hypotheses independently — you bring data, not just ideas
• Strong understanding of B2B / enterprise buyer journeys
• Fluent in English and thrive in a fast-paced, high-ownership environment

✨ Nice-to-Have Skills:

• Hands-on experience with Claude Code, MCP servers, or ad platform API integrations
• Background in B2B SaaS, marketplaces, or design/dev services
• Built your own mini-automations or tools (no-code, low-code, or otherwise)
• Experience with account-based marketing (ABM) for enterprise targets

💎 What's on us:

• You'll join the coolest community of goal-driven people who love what they do and are ready to change the game with innovative decisions
• You'll work closely with Roman Sevast and Stacy Pavlyshyna, Founders of Awesomic, YC alumni, and Forbes 30 Under 30 honorees
• Unlimited prospects to grow as a marketing professional in the AI era
• Mental health support program, work laptop (MacBook), unlimited vacation days, coverage for courses and learning activities and health insurance.

We're excited to meet our new AI-Native Growth Marketer soon! 😎

Please note that Candidate must be located in Poland
Key tasks

Design and implementation of custom solutions using Apex, Lightning Components, and Flows

Writing and maintaining automated tests using Salesforce testing frameworks

Key skills and technologies:

Experience with Salesforce Data 360 for data AI and marketing

Development and maintenance of REST and SOAP APIs for connecting external systems

Ensuring data and application security, e.g., through OAuth and role-based access control

Conducting code reviews and ensuring high code quality

Proficient in Salesforce DevOps Center and GitHub workflows (CI/CD, pull requests, branching)

Close collaboration with architects, backend developers, and business stakeholders

Optimization of performance, scalability, and reliability of Salesforce solutions

Documentation of processes, interfaces, and components

Support in error analysis and troubleshooting

Completed education or degree in computer science, business informatics, or similar

Excellent English skills, both written and spoken

Strong team player with initiative and communication skills

Optional: Experience with Salesforce B2B Commerce/eCommerce for the development and optimization of online sales solutions

We are looking for a Senior AQA Engineer (Java, Playwright, RestAssured) to join a project - a clinical trial technology platform. It’s designed to digitize, streamline, and accelerate clinical trial operations across the full study lifecycle. The solution represents an end-to-end clinical trial management ecosystem that integrates multiple tools into one platform. 

You will be responsible for designing, developing, and executing automated test scripts, ensuring the quality and reliability of the products, and contributing to continuous improvement of testing processes within a distributed team.

What We’re Looking For:

• 4–6 years of hands-on experience with test automation tools such as Playwright for web application/API testing and Rest Assured for API testing
• Experience with programming languages such as Java and TypeScript/JavaScript
• Strong experience working with and testing relational databases
• Proficiency with Azure DevOps for continuous integration and delivery pipelines
• Familiarity with AI-based testing technologies and tools
• Strong analytical and critical thinking skills for thorough analysis of system requirements and test scenarios
• Ability to work in a fast-paced environment and deliver high-quality results under tight deadlines in globally distributed teams
• Good communication skills and ability to collaborate effectively with cross-functional teams
• Upper-Intermediate level of English or higher

Your Responsibilities:

• Collaborate with development and product teams to understand requirements and create comprehensive test plans and automated tests
• Develop and execute automated testing scripts according to standards using Playwright and Rest Assured
• Participate in code reviews for automation scripts and contribute to testing and quality assurance best practices
• Contribute to test data management automation efforts
• Integrate automated testing into the CI/CD pipeline
• Continuously improve testing processes and methodologies, leveraging automation and innovative testing solutions
• Work independently and as part of Agile sprints in a fast-paced environment, delivering high-quality results within globally distributed teams

Will Be a Plus:

• Experience in the healthcare domain, particularly with clinical trials
• Basic understanding of container technologies such as Docker and Kubernetes
• Experience validating data across multiple data platforms and interfaces
• Experience with ETL tools such as IICS, Informatica PowerCenter, or similar
• Ability to analyze complex data mapping documents and convert them into end-to-end (E2E) test cases
• Knowledge of data profiling processes and ETL scheduling tools
• Experience with performance testing tools

About the Role:

We are looking for a firmware engineer who really knows how to work with modern hardware (ESP32-S3, PICAD-compatible boards) and Zephyr OS. The main task is to write stable, production-ready code for IoT devices of the "data logger / gateway" level: sensors, Modbus, LTE/Wi-Fi, OTA, local logic, energy saving.

No academic R&D — you need a person who quickly makes a working product.

Responsibilities:

• Development of firmware for Zephyr OS for ESP32-S3 / ESP32-C6;
• Work with PICAD-compatible peripherals (sensors, interfaces, IO);
• Implementation of protocols: Modbus RTU/TCP, UART, RS-485, SPI, I2C;
• Network stack settings: Wi-Fi, LTE (via external modules), MQTT;
• OTA updates (MCUboot, Zephyr samples, custom schematics);
• Data buffering, local storage, fallback modes;
• Integration with backend API (REST/MQTT), queue/telemetry processing;
• Optimization of power consumption and performance;
• Writing unit-/integration-tests, working with hardware-bring-up.

Requirements:

• Deep experience in C/C++ firmware development;
• Commercial experience with Zephyr RTOS is required (device tree, Kconfig, drivers, subsystems);
• Practical experience with ESP32-S3 / ESP32-C3 / ESP32-C6;
• Understanding of MCUboot, partition layout, OTA-pipeline;
• Ability to work with peripherals: UART, SPI, I2C, PWM, ADC, RS-485;
• Experience with Modbus (master/slave), preferably with real devices;
• Debug experience: JTAG, OpenOCD, logic analyzer;
• Git, CI/CD, the ability to work in a normal product, and not "flash firmware".

Nice to have:

• BLE (Zephyr BT stack);
• Python for tooling (scripts, tests, production tools).

We Offer:

• Work on a real IoT product (energy logger / gateway), which is already in production;
• Opportunity for professional growth and career development;
• Vacation — 18 working days per year;
• Friendly working environment;
• Sick leave — 5 working days (without documents);
• Health insurance.

Start date: ASAP

What you’ll do

• Build and maintain scalable data ingestion pipelines into Snowflake (structured + time-series data)
• Transform raw data into ML-ready datasets (feature engineering, windowed aggregations, lag variables, train/test splits)
• Develop and operationalize ML models in Python (scikit-learn, XGBoost, LightGBM)
• Work within Snowflake using Snowpark to productionize models
• Write model outputs back into Snowflake for AI-driven applications and downstream services
• Ensure production reliability of pipelines and models (monitoring, retraining triggers, data quality checks)

What we’re looking for

• Strong Python skills (data engineering + ML)
• Solid Snowflake experience (SQL, Streams, Tasks, Snowpipe, ingestion patterns, basic performance tuning)
• Hands-on ML experience — you can build, train and deploy models yourself
• Understanding of ML lifecycle in production environments
• Experience with time-series data (window features, irregular series, forecasting) — nice to have
• Familiarity with Azure Data Lake / Azure Fabric — nice to have

Why this role is interesting

• Real AI product impact — not just pipelines, but production ML
• Ownership of end-to-end ML workflows
• Modern stack: Snowflake + Snowpark + Python ML ecosystem
• High autonomy and engineering-driven culture
• Long-term stable project