Jobs at Djinni

Senior Data Engineer (Python)

Builds one of the world’s largest property intelligence datasets by processing satellite and street-level imagery across the entire United States.

We are looking for a Senior Python Data Engineer to design and operate large-scale data pipelines that generate property attributes from imagery using internal AI models.

This role focuses on building distributed processing systems running on Kubernetes clusters and on-prem GPU infrastructure, capable of processing massive geospatial datasets at national scale.

You will work closely with AI engineers and SaaS platform teams to build robust pipelines that transform imagery into structured property intelligence used by the insurance and financial industries.

 

Responsibilities

• Design and build large-scale Python processing pipelines for satellite and street-level imagery

• Develop distributed workloads running on Kubernetes clusters

• Build and maintain orchestration workflows using Airflow

• Design and manage data storage and processing workflows using PostgreSQL

• Process geospatial datasets using GeoPandas, GDAL, Shapely, or similar tools

• Integrate large-scale AI inference pipelines running on GPU infrastructure

• Optimize processing performance for massive imagery datasets

• Improve observability, monitoring, and reliability of production pipelines

• Collaborate with AI engineers to support large-scale computer vision inference workflows

• Integrate pipelines with AWS-based services

 

Requirements

• 7+ years of Python engineering experience

• Strong experience designing distributed data pipelines or large-scale data processing systems

• Experience running workloads on Kubernetes

• Hands-on experience with Airflow or similar orchestration frameworks

• Experience processing large datasets (imagery, geospatial, or other high-volume data)

• Strong understanding of ETL architectures and distributed data systems

 

Nice to Have

• Experience with geospatial processing (GeoPandas, GDAL, Rasterio, Shapely)

• Experience working with satellite imagery, aerial imagery, or remote sensing datasets

• Experience with GPU-based inference pipelines

• Experience with distributed processing frameworks such as Spark, Ray, or Dask

• Experience working with on-prem compute clusters

• Experience with C#

 

Why Join

You will be working on a platform that processes imagery data at national scale to generate property intelligence for the insurance and financial industries. The system analyzes hundreds of millions of properties using AI and geospatial processing, creating one of the most comprehensive property datasets in the world.

A promising iGaming project operating for more than a year is hiring new talent.

Responsibilities:

• Managing a VIP client portfolio in line with established scripts;
• Daily/weekly touchpoints (messengers / calls / email) — tailored to the individual needs of each VIP client;
• Basic personalised offers based on a bonus matrix (cashback / free spins / free bets / bonus);
• Monitoring bonus issuance and terms;
• Collecting client feedback;
• Escalations (payments / verification / risk / support);
• Basic reporting as needed.

Requirements:

• 1.5–2+ years of experience in iGaming / online casino
• Proven ability to handle client objections effectively
• Understanding of client service principles and VIP client communication
• Accountability and strong attention to detail
• Stress resilience, flexibility and adaptability
• Well-developed communication skills
• Ability to multitask and manage competing priorities
• Team player mindset
• Results-oriented approach with a solid understanding of key performance indicators

Ajax Systems is an international tech company and the largest manufacturer of security systems in Europe, with over 4.5 million end users and 330K PRO users in more than 180 countries worldwide. The company offers end-to-end solutions for protecting homes and businesses оf any scale. To date, Ajax product portfolio includes 280 devices for intrusion protection, video surveillance, fire and life safety, and comfort and automation.  

We're looking for an Android Developer to join us and continue the evolution of a product that we love: someone who takes pride in their work to ensure that user experience and development quality are superb. You will be able to develop the apps in the best hardware company of Ukraine with around 400m active users around the world. Moreover, very soon you will have a chance to start several new products from scratch.


Required skills:

• 5+ years of experience in Android development
• A strong familiarity with Java and Kotlin
• Good understanding of the Android ecosystem
• Familiarity with Android SDK: basic concepts like layouts and views, activities and fragments and their lifecycle, storing data
• Practical experience with Kotlin Coroutines
• Proficiency in Jetpack Compose for modern UI development
• Experience with ORM frameworks and Android Jetpack Components
• Strong understanding of code versioning tools (Git) and experience with Gradle
• Strong understanding of the full mobile development life cycle, OOP principles, design patterns 

• Passion for software engineering, learning and continuous improvement

   

Would be a plus:

• Gradle knowledge, custom plugin development, build optimization, CI/CD pipelines, and release management
• Writing unit tests
• Practical experience with video streams
• Experience with MVVM/MVI patterns
• Experience with github actions

• Experience with third-party libraries, APIs (Firebase) and custom frameworks

   

Tasks and responsibilities:

• Follow high standards of software quality established in the team
• Design, build, and maintain high performance, reusable, and reliable code
• Suggest technical and functional improvements to add value to the product

• Collaborate with cross-functional teams to define, design, and ship new application features

   

With us, you will enjoy:

• Working with a team of people to build the future of an industry
• Non-trivial challenges and the various specter of interesting tasks
• A flexible, friendly, and collaborative work environment
• Corporate culture based on common sense
• Opportunities to influence the creation of new products and their quality 
• Parking for cars and bicycles

• Medical insuranceEducation compensation

   

We offer:

• the opportunity to share and implement your own ideas that could impact products and production;
• work with a motivated team and an environment with a zero-bullshit culture;
• competitive salary;
• medical insurance;
• corporate English classes;
• compensation for professional training;
• the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.

DID Global is an international company specializing in providing premium-quality IP telephony services for both business and personal communication. We help our clients scale, optimize advertising budgets, and significantly increase sales.

Who We Are Looking For

We are seeking an ambitious International Sales Manager who can successfully combine active B2B client acquisition with professional account management. You will work with international companies, develop accounts, build long-term relationships, and directly influence the company’s financial growth.

Key Responsibilities

• Actively search for and attract new clients, expanding the contact base.
• Manage client accounts: identify client needs and provide optimal solutions.
• Build long-term partnerships and support clients at all stages of cooperation.
• Handle objections, consult clients on company services, and create tailored commercial proposals.
• Achieve sales goals and meet KPIs.
• Organize and manage your sales pipeline in CRM.
• Communicate via messengers, phone calls, emails, and specialized platforms.
   

Our Ideal Candidate

• At least 2 years of experience in sales or proven experience in the VoIP industry.
• English proficiency at B2+ level (for international communication).
• Fluent in Ukrainian and Russian (required for client communication).
• Confident in using CRM systems and quick to adapt to new tools.
• Strong skills in negotiation, active listening, and objection handling.
• Goal-oriented, self-motivated, and proactive.
• Ambitious to grow professionally, with the potential to lead a team in the future.
   

What We Offer

• A comfortable working environment with a strong focus on work-life balance, growth, and long-term collaboration.
• A stable working schedule: Monday—Friday, 10:00–19:00 (Kyiv time).
• Remote work format with the opportunity to be part of an international team.
• Official employment and company-paid medical insurance.
• Support for mental well-being: access to a corporate psychologist.
• Company-sponsored English courses.
• Opportunities for professional and career growth within an international company.
• Paid vacation.
• An active corporate life: internal events, team activities, and contests that foster engagement and team spirit.

Creativity, strategy, and leadership if these words define your approach to marketing, you are in the right place. As a Creative Marketing Manager/Producer, you will have the freedom to make independent decisions, shape global strategy, and work in one of the most competitive and dynamic niches across US, UK, CA, and AU markets. No bureaucracy, no red tape, just pure creative power and result.

About the product: It is a web communication platform connects users worldwide with a wide range of features. Launched in 2020, it has passed all MVP testing stages and attracts a growing number of long-term users. The platform enables 24/7 communication and content sharing without compromising performance or user experience. With a focus on high-load handling, excellent UX/UI, and a unique monetization strategy, we offer a top-tier product in the market. Our global goal is to become a top 5 international social networking service, with plans to expand into Latin American and Asian markets

In this role, you will

• Develop a creative marketing strategy for each traffic channel (Google, Bing, Meta)
• Build and manage a creative team, setting tasks for designers and copywriters to create visual and textual content for each platform
• Develop and brainstorm creative concepts, from initial ideation to finalized execution
• Analyze competitors' concepts to generate new ideas and provide creative inspiration for the design team
• Research user behavior and funnels, identifying factors that impact performance and success
• Work closely with the user acquisition team and other departments (analytics, product team, B2B)
• Build and maintain a knowledge base on creative testing, including structured reporting for future reference
• Contribute to the development and optimization of processes for creative production and testing, aligning with the marketing department's goals

It’s all about you

• At least two years of experience in performance marketing with a focus on web projects
• Proficient in working with key marketing metrics like CPA, CTR, and ROI, with a strong ability to analyze data and optimize performance to meet target KPIs
• Ability to collaborate effectively with designers by creating detailed technical tasks to ensure high-quality creative production
• Proven ability to analyze competitors and market trends, using insights to drive strategic decisions
• Hands-on experience running ad campaigns on at least one platform, such as Google, Meta, Bing, DV360, or TikTok
• Strong project management skills, including the ability to manage multiple projects simultaneously and meet tight deadlines
• Proficiency in analytical and data visualization tools, such as GA4, Looker Studio, Power BI, and Tableau
• Ability to prioritize tasks, manage a backlog, and coordinate different stages of creative production
• B2 English level, both verbal and written

Would be a plus

• Experience in user acquisition and a strong understanding of UA processes and strategies
• Previous experience in the social networking niche

What we offer
Care and support: 

• 20 paid vacation days, 15 sick leave days, and 6 additional days off for family events
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule
• Modern equipment or depreciation of your own tools

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call
• Tech Interview
• Test Task
• Final Interview
• Reference check
• Offer

Join a fast-moving product team where your ideas matter. You will have the freedom to drive your own strategy, work without bureaucracy, and make a real impact on a global scale. We work in highly competitive Tier-1 markets (US, UK, CA, AU), and we love the challenge!

About the product: It is a web communication platform connects users worldwide with a wide range of features. Launched in 2020, it has passed all MVP testing stages and attracts a growing number of long-term users. The platform enables 24/7 communication and content sharing without compromising performance or user experience. With a focus on high-load handling, excellent UX/UI, and a unique monetization strategy, we offer a top-tier product in the market. Our global goal is to become a top 5 international social networking service, with plans to expand into Latin American and Asian markets

In this role, you will

• Plan, launch, and optimize ad campaigns via Google Ads
• Analyze campaign performance, draw insights, and plan next steps
• Run and assess tests to improve qualitative metrics
• Identify growth opportunities and scale high-performing campaigns
• Build and implement strategies for media buying and scaling
• Collaborate on ad creatives and landing page testing
• Conduct market and competitor research

It’s all about you

• 2+ years in a PPC or User Acquisition role
• Proven hands-on experience with Google Ads campaign setup and optimization
• Comfortable working with $100K+ monthly budgets
• Strong analytical mindset and data-driven decision-making
• Upper-Intermediate English (B2+)
• Goal-oriented and proactive
• Background in product companies or cross-functional product teams
• Familiarity with the social networking or similar competitive niches
• Understanding of Tier-1 markets and their specifics
• Understanding of digital marketing technologies, including web analytics (GTM/GA4), data visualization tools (Tableau/Looker Studio/Power BI), social marketing, and website usability
   

What we offer

Care and support: 

• 20 paid vacation days, 15 sick leave days, and 6 additional days off for family events
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity Recovery Support Allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule
• Modern equipment or depreciation of your own tools

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call
• Technical Interview
• Test Task
• Final Interview
• Reference check 
• Offer
   

Ajax Systems - is an international technology company, the largest developer and manufacturer of Ajax security systems with smart home capabilities in Europe. This ecosystem includes 180 devices, mobile and desktop applications, and server infrastructure. Every year, we demonstrate exponential growth in both the size of the team and the number of users worldwide. Currently, the company has more than 4,100 employees. Ajax sensors protect 3.5 million users in more than 187 countries around the world.

The System Department makes devices smart, turning them into full-fledged IoT. They created and developed OS Malevich (a modular RTOS for various hardware platforms) and the Ajax Cloud cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) have been developed for users, installers, and engineers of security companies to manage, maintain and monitor the system.

Required skills:

6+ years of experience in iOS development

Deep knowledge of Swift, Combine, and UIKit

Strong foundation in computer science principles, including memory management, concurrency, networking, data persistence, unit testing, performance profiling, and system design

Strong understanding of the full mobile development life cycle, Git, SOLID, OOP principles, and design patterns

Understanding of algorithms and data structures

Would be a plus:

Modular project organization knowledge (SPM, CocoaPods)

gRPC experience

Use the latest technologies and stay up to date with development trends

Passion for software engineering, learning, and continuous improvement

Tasks and Responsibilities:

Follow high standards of software quality established in the team

Design, build, and maintain high-performance, reusable, and reliable code

Collaborate with cross-functional teams to define, design, and ship new application featuresI

dentify options for potential solutions and assess them for both technical and business suitability

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 exciting tasks

Flexible working hours

Parking for cars and bicycles

Medical insurance

English classes

We are working to ensure people’s lives are calm and the world safe.Join the team that creates a smart and useful global product!

We’re looking for a Middle/Senior Frontend Designer / Design Engineer who can take a website from idea to live launch.
Not just design mockups — but actually build, polish, and deploy high-performance websites for our AI/fintech brands.

This is a freelance role for someone with strong taste, sharp product thinking, and solid front-end execution skills.

What you’ll do

• design premium website interfaces in Figma
• turn them into responsive, production-ready websites
• build with React, TypeScript, and Tailwind CSS
• add clean motion, micro-interactions, and smooth UX
• optimize for speed, responsiveness, and technical SEO
• handle deployment from staging to production

What we expect

• 3+ years of relevant experience
• strong Figma skills
• solid React / TypeScript / Tailwind CSS
• strong eye for UI/UX and modern web aesthetics
• experience shipping live websites end-to-end
• understanding of performance, responsive design, and clean front-end architecture
• English good enough for direct communication

Will be a plus

• fintech / startup background
• Framer Motion or similar animation tools
• experience with AI tools in design workflow

What we offer

• fully remote
• flexible collaboration
• fixed-price payment per project
• high ownership
• work on AI + fintech brands with real growth potential

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

About the Product:
The product is a fast-growing online entertainment platform focused on delivering browser-based games along with real-time interactive features. It serves an expanding audience and operates under conditions of high traffic, strict latency requirements, and secure micro-transaction processing within a social gaming environment.

The platform relies on a hybrid technology stack that combines a legacy codebase built with a widely used DOM-manipulation library and modern solutions based on React and Next.js. Current challenges include transforming legacy parts into a scalable, component-based architecture, implementing real-time interactions using WebSockets, maintaining consistency across mobile devices and browsers, and integrating payment and promotion management systems.

Strong engineering ownership is key to ensuring system stability, improving performance, and enabling fast, scalable feature delivery.

About the Role:
In this role, you will take ownership of frontend feature delivery from idea to production. You will work closely with frontend leadership, backend engineers, designers, QA, and DevOps to build and evolve a complex product.

A key part of your work will be driving the transition from a jQuery-based architecture to a modern React/Next.js setup. You will be expected to make architectural decisions, improve development workflows, and ensure high standards of performance, security, and code quality.

This position requires strong independence, solid technical judgment, and the ability to work in a fast-paced, evolving environment.
 

Key Responsibilities:

• Improve and maintain existing jQuery-based interfaces
• Build scalable and responsive UI using React and Next.js
• Refactor and structure CSS/SCSS for long-term maintainability
• Ensure cross-browser compatibility and strong mobile experience
• Implement and support real-time features using WebSockets
• Apply frontend security best practices
• Contribute to the design of a reusable component architecture
• Integrate APIs and collaborate closely with backend teams
• Set up and improve build tools and performance monitoring
• Implement and manage state using Redux, MobX, or similar
• Work with designers to deliver high-quality UI
• Develop key features such as payments, authentication, and promotions
   

Required Competence and Skills:

• 6+ years of experience in frontend development on production systems
• Strong experience working with legacy codebases (jQuery)
• Solid knowledge of React (Hooks, functional components)
• Hands-on experience with Next.js (SSR, SSG, API routes)
• Strong CSS/SCSS skills and responsive design expertise
• Proficiency in JavaScript (ES6+) and TypeScript
• Experience with WebSockets and async patterns
• Understanding of performance optimization and Core Web Vitals
• Familiarity with build tools like Webpack, Vite, or Gulp
• Experience integrating REST APIs
• Strong debugging and cross-browser troubleshooting skills
• Experience with state management libraries
• Git proficiency and experience working in teams
• Strong communication skills and ability to work independently
   

Nice to Have:

• Experience introducing TypeScript into existing projects
• Basic knowledge of PHP
• Experience with testing tools (Jest, RTL, Cypress)
• Experience with animation libraries like GSAP
• Familiarity with design tools (Figma, Zeplin, etc.)
• Understanding of CI/CD processes
• Knowledge of SEO and analytics
• Experience with hybrid mobile solutions (e.g., Cordova)
   

Why Us:

• We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in). 
• We provide full accounting and legal support in all countries we operate. 
• We offer a highly competitive package with yearly performance and compensation reviews.

Who we are:

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

About the Product
You’ll be working on a complex, data-driven platform focused on monitoring and analyzing hardware performance in real time. The system collects large volumes of sensor data across different stages - from design and production to real-world usage - and transforms it into actionable insights.

The platform operates in distributed, cloud-based environments and relies on Kubernetes, CI/CD pipelines, infrastructure as code, and modern observability tools to ensure high performance, reliability, and scalability.
 

About the Role:
We are looking for a Senior DevOps Engineer to take ownership of infrastructure and deployment processes for a complex, customer-facing product.

You’ll join a small, distributed team with high ownership and contribute across the full lifecycle - from design decisions to production support.

The role focuses on cloud infrastructure, Kubernetes environments, CI/CD pipelines, and improving system reliability, observability, and performance. You’ll also collaborate closely with development teams to streamline deployments and automate workflows.
 

Key Responsibilities:

• Design and maintain CI/CD pipelines using GitHub Actions and related tools
• Manage infrastructure as code with Terraform and Terragrunt
• Work with cloud platforms (AWS / Azure / GCP)
• Operate containerized environments using Docker and Kubernetes (including Helm)
• Automate infrastructure and configuration processes using Ansible
• Monitor system performance with tools like Prometheus and Grafana
• Troubleshoot production issues and ensure system stability
• Collaborate with engineering teams to improve scalability and deployment processes
• Handle networking, DNS, and load balancing configurations
• Support customer-facing environments when needed
   

Required Competence and Skills:

• 5+ years of experience in DevOps
• Strong experience with GitHub and GitHub Actions
• Hands-on experience with Ansible
• Solid knowledge of Terraform
• Strong experience with Docker, Kubernetes, and Helm
• Experience with at least one cloud provider (AWS / Azure / GCP)
• Python and/or Bash scripting skills
• Understanding of networking, DNS, and load balancing
• Experience with monitoring tools (Prometheus, Grafana, etc.)
• Strong communication skills and ability to work in distributed teams
• English - upper-intermediate or higher
   

Nice to have

• Experience with Terragrunt
• Basic database knowledge
   

What we offer

• 20 working days of vacation + public holidays based on your location
• Full accounting and legal support
• Fully remote setup with an option to use a co-working space
• Competitive compensation with regular performance and salary reviews

Description

The team develops and maintains software solutions in the healthcare domain.
The ecosystem includes diagnostic desktop applications, device integrations, and healthcare workflows where quality, stability, and data accuracy are critical. This role supports the team’s move toward modern automation and AI-enabled engineering practices.

Requirements

We are looking for a Senior Test Engineer with strong test automation skills and practical experience using AI-assisted testing approaches to join our team in Lviv.
This role is aimed at engineers who can combine classic QA fundamentals with modern AI-enabled productivity in test design, automation development, defect analysis, and quality acceleration.

• 5+ years of experience in software testing, with a strong focus on automation
• Hands-on experience in Python-based test automation
• Experience creating automated test designs, automated test cases, and maintainable test suites
• Practical experience using AI tools to improve testing activities such as:
• test case generation
• test data preparation
• defect analysis
• log analysis
• automation code assistance
• Strong understanding of manual testing fundamentals and test design techniques
• Experience with requirements analysis and risk-based test coverage
• Experience with API, UI, and integration testing
• Understanding of keyword-driven testing or similar structured automation approaches
• Working knowledge of Git / Gitflow
• Experience with Azure DevOps
• Good analytical, troubleshooting, and communication skills
• Understanding of Agile/Scrum

• English level: Intermediate+ (written and verbal)

  Would be a plus:

• Experience with Robot Framework
• Experience with CI/CD
• Experience with AI/LLM tools such as ChatGPT, GitHub Copilot, Claude, or similar
• Experience with prompting for engineering and testing tasks
• Experience with desktop application testing and Windows / WPF-based solutions
• Experience in healthcare testing
• Knowledge of Docker
• Understanding of test architecture and scalable automation frameworks

Job responsibilities

• Analyze requirements and identify optimal test coverage for new and existing functionality
• Design, implement, and maintain automated tests
• Execute targeted manual testing for new, complex, or unstable functionality
• Use AI-assisted workflows to accelerate test design, debugging, coverage analysis, and documentation
• Convert manual scenarios into automated tests where sustainable and valuable
• Investigate failures, analyze logs, and communicate findings clearly to the team
• Track, verify, and report defects across the software lifecycle
• Collaborate with developers and cross-functional teams on quality improvements
• Support CI/CD quality gates and contribute to automation scalability
• Help define practical team standards for responsible and efficient use of AI in testing
• Continuously improve test processes, tooling, and quality visibility

We’re looking for a Full-Stack Developer who doesn’t just write code - but builds products, solves real problems, and takes ownership.

If you enjoy working across the stack, shipping features end-to-end, and seeing the direct impact of your work - this role is for you!
 

💡 What you’ll be working with
 

• TypeScript as a core language
• React + Redux on the frontend
• Node.js + NestJS on the backend
• PostgreSQL for data management
• REST APIs and tools like Postman
• Docker & AWS for infrastructure

Nice to have:

• React Native / Firebase / Expo
   

🔥 What you’ll do

• Build features from idea → production
• Improve and scale an existing product
• Refactor and keep the codebase clean and maintainable
• Integrate third-party services and APIs
• Work side-by-side with PMs, QAs, architects, and developers

• Be part of releases and see your work go live

   

🌱 What matters to us

• You’re proactive and take ownership
• You care about clean, scalable code
• You’re comfortable communicating in English (Upper-Intermediate+)
• You’re always looking to learn and grow

🎯 What you’ll get

• Real impact - your work won’t be lost in layers of bureaucracy
• A team that values initiative, not micromanagement
• Space to grow both technically and professionally
• Flexibility - we tailor benefits to what actually matters to you

We are looking for a Senior PHP Developer with a strong architectural mindset to lead the development of our core systems. You won't just be writing code; you will be responsible for the technical excellence of the product. You will design complex business domains, mentor middle developers, and ensure that our Symfony-based applications remain modular, testable, and resilient under high load.

Technical Leadership Requirements:

• Expert PHP 8.3+: Deep understanding of the engine, memory management, and performance optimization.
• Symfony Mastery: Expert knowledge of internal framework mechanics (Compiler Passes, Custom Lexers/Parsers, advanced Security configurations).
• Architectural Patterns:
  • Practical experience with DDD (Domain-Driven Design): Bounded Contexts, Aggregates, Value Objects.
  • Deep understanding of CQRS and Event Sourcing (and when not to use them).
  • Strategic Design: Ability to define boundaries between modules/microservices.
• Infrastructure & Messaging:
  • Experience with Distributed Systems: Handling eventual consistency, saga patterns, and distributed transactions.
  • Advanced use of message brokers (RabbitMQ/Kafka) with focus on Reliability (Outbox pattern, Idempotency).

• Testing & QA: Driving the testing strategy (Unit, Integration, E2E, Contract Testing).

   

Good to Know

• Ecotone Framework: We highly value the ability to implement Message-Driven Architecture using Ecotone.
• Knowledge of how to decouple the Domain layer from the Infrastructure (Symfony/Doctrine) using Ecotone's declarative approach.

• Experience in migrating legacy "Fat Services" to a decoupled, event-driven model.

   

Key Responsibilities:

• System Design: Architecting new modules from scratch, choosing the right patterns for the specific business problem.
• Mentorship: Conducting deep code reviews and holding "Tech Talks" to elevate the team's understanding of DDD and Clean Code.
• Technical Debt Management: Proactively identifying architectural bottlenecks and leading refactoring initiatives without halting product delivery.

Who We Are?
Altum is a Ukrainian software development house that supports digital agencies and startups across the US and Western Europe with technical expertise. We focus on innovation, scalability, and quality to help businesses grow.

As part of Altum, DevOut Labs is a WordPress white-label development team delivering high-quality websites for US-based marketing agencies. While hiring is managed under Altum, this role is for DevOut Labs.
More info: devoutlabs.com

Position Overview

As a WordPress Developer, you will be responsible for developing, customizing, and maintaining WordPress websites for our clients. You will collaborate closely with our design and development teams to implement functional and visually appealing websites that align with our client's needs and objectives. This position offers the opportunity to work remotely and contribute to exciting projects for a diverse range of clients.

Responsibilities

• Develop and maintain WordPress websites
• Work with ACF to structure CMS fields and flexible content
• Ensure responsive layouts across devices
• Optimize website performance and loading speed
• Debug issues and implement fixes when needed
 

Requirements

• 1+ years of experience with WordPress development
• Experience with ACF and custom theme development
• Good knowledge of HTML, CSS, JavaScript, and PHP
• Ability to work independently in a remote environment
 

Nice to Have

• Experience with page builders (Elementor or similar)
• Basic understanding of SEO best practices
 

What You Will Get

• Exposure to interesting and technically challenging projects
• Minimal bureaucracy and fast decision-making
• Transparent and fast communication with the team
• Opportunity to grow into React development and AI-related projects
• Salary reviews and career growth based on strong performance and achievements
 

Recruitment Process

1. Initial Interview — up to 20 minutes
2. Test Task
3. Final Interview
4. Offer

Project description

Development of monitoring and diagnostics system. It fulfils both local and remote data access and analytics requirement, as well as local and remote troubleshooting purpose.

Responsibilities

Responsible for ensuring the reliability and quality of telemetry‑driven IIoT systems through advanced troubleshooting, manual testing, and protocol‑level diagnostics across edge and cloud environments.

The L2 Support Engineer / Manual QA Engineer is responsible for second‑line support and quality validation of IoT and IIoT systems handling real‑time telemetry data. The role investigates complex issues escalated from L1, performing root‑cause analysis using logs, metrics, telemetry streams, and monitoring tools. It involves diagnosing problems across edge and cloud environments, often running on Linux‑based systems. The engineer validates fixes and configuration changes before production release and collaborates closely with development, DevOps, and L3 teams.

In parallel, the role performs manual functional, integration, and regression testing across UI, API, and backend layers. A key responsibility is validating end‑to‑end data flows from devices and gateways through brokers and backend services to dashboards and reports. The engineer ensures data accuracy, correct aggregation, timestamp alignment, and proper resolution in time‑series data.

The role requires hands‑on work with industrial and IoT protocols such as Modbus and MQTT, including validation of payloads, connectivity, and reconnection behavior. It also involves using monitoring and diagnostic systems to detect latency, data loss, or anomalies in real‑time systems. Overall, the role ensures system reliability, data quality, and observability while supporting continuous improvement across support and QA processes.

Skills

Must have

Experience as an L2 Support Engineer and/or Manual QA Engineer

Strong experience with:

Telemetry data and time‑series data

Industry Monitoring and diagnostic platforms or Control systems

Edge and Cloud service experiences

Hands‑on knowledge of Modbus, MQTT or similar IIoT/industrial protocols

Strong manual testing experience (UI, API, backend)

Strong troubleshoot experiences to analyze logs, metrics, and protocol‑level issues

Understanding of IIoT architectures and data pipelines

Experience with databases (SQL / NoSQL / Time Series)

Linux knowledge

Nice to have

AWS Green Grass

CI/CD (Jenkins)

Languages

English: B2 Upper Intermediate