Jobs at Djinni

🚀 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:
Over the past few years Coro has received $275M in funding and is one of the fastest growing Cybersecurity companies in the world. The funding is primarily being used to enhance the Coro Cybersecurity SaaS platform and for additional headcount growth, as Coro continues to expand globally.   

Coro started in Tel-Aviv, Israel and is also headquartered in Chicago, IL with additional offices in New York, London, and remotely across the globe. As a global organization, Coro gives you the ability to work with people and teammates from around the world. 

Coro’s AI enabled Modular Cybersecurity Platform is the only one in the industry specifically designed to provide Mid-Market customers with scalable and affordable “enterprise grade” protection for all of their priority threat vectors. 

About the Role:
This is a hands-on leadership role for a Backend Team Lead who will guide a team of backend engineers while staying directly involved in coding, architecture, and delivery. You will work on core backend systems behind Coro’s cybersecurity platform, building and scaling high-load services that process large volumes of security and telemetry data in real time.

These systems are responsible for collecting, processing, and analyzing data from multiple sources, including endpoints, cloud environments, and product integrations. They support critical product capabilities such as threat detection, security analytics, anomaly identification, and automated response workflows, making this a mission-critical leadership role at the core of Coro’s product.
 

If you are looking for a role where you can combine leadership with technical ownership, shape team culture, and build highly scalable backend services for a fast-growing global cybersecurity platform, this is the role for you

📍Key Responsibilities:

• Lead a team of highly skilled and passionate developers
• Partner with the Product Manager to build the road-map for the team
• Understand the team objectives and key results and make sure that the team are on the path to achieving them
• Participate in making decisions on the architecture and technologies
• Conduct the team ceremonies: Daily stand-ups, sprint planning and retro meetings
• Help create and enforce strong engineering standards, code quality, and best Engineering practices
• Take an active part in the implementation (hands-on) of the team’s various services and features
• Help your team members grow by mentoring them, building their growth plan with them and enable them opportunities to implement it

📍Required Competence and Skills:

• 6+ years of backend/server-side development with Java
• 2+ years of proven experience leading an engineering team 
• Strong hands-on experience with Spring Framework and MongoDB
• Deep understanding of multithreading and concurrency
• Solid knowledge of OOP concepts and design patterns
• Proven experience with microservices architecture
• Experience working with high-load backend systems
• Proficiency in cloud-native environments (preferably AWS)

Nice to have:

• Experience with Redis and RabbitMQ
• Experience with Elasticsearch/OpenSearch 
• Familiarity with Docker / Kubernetes
• Experience in Cybersecurity domain 

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 utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

Role Description

The Manual QA team is responsible for ensuring the high quality and reliability of our software product through detailed manual testing procedures, while also providing crucial support for any issues that arise in production. The ideal candidate will possess a solid grasp of software testing principles, outstanding communication skills, and a sharp eye for spotting defects.

Role Knowledge, Skills & Experience

• Familiarity with testing web applications. 
• Proven experience as a QA Engineer or similar role for at least 1 year.
• Experience working in an Agile development environment.
• Strong understanding of software testing principles and methodologies.
• Basic knowledge of test management tools.
• Experience in defect tracking and reporting, including prioritizing issues.
• Familiarity with ISTQB Certification terminology and principles. Preferably a Foundation level certification. 
• Detail-oriented with excellent analytical and problem-solving abilities.
• Excellent communication skills.
• A highly organised and proactive person.
• Ability to work independently and as part of a team.
• Fluency in spoken and written English.

Nice to Have:

• Experience testing APIs.
• Experience working with databases and running queries for testing purposes.
• Experience reviewing requirements or acceptance criteria from a QA perspective
• Experience with effort estimation for tasks and test planning. 

Role Responsibilities

Test Planning:

• Collaborate with the development team and other stakeholders to understand project requirements and specifications.
• Plan testing activities for features or changes, identifying what needs to be tested, key scenarios, and potential areas of focus.

Test Execution:

• Execute manual test cases to verify the functionality and usability of software applications.
• Identify, document, and track software defects, providing detailed information for the development team's resolution.

Regression Testing:

• Conduct regression testing to ensure new software changes do not adversely impact existing functionality.
• Work closely with the development team to validate bug fixes and enhancements.

Development Support:

• Conduct Root Cause Analysis for all production issues on web
• Provide quick QA support to revalidate/replicate production bugs

Documentation:

• Create and maintain comprehensive test documentation, including checklists, test cases, test scripts, and test results.
• Provide clear and detailed reports on testing progress, issues, and overall quality metrics.

Collaboration:

• Work collaboratively with developers, product managers, and other team members to understand product features and user stories.
• Participate in walkthroughs and collaborate on refining requirements for better test coverage.

Ad Hoc Testing:

• Perform exploratory testing to uncover unforeseen issues and provide valuable insights into product quality.

Communication:

• Clearly communicate testing progress, issues, and overall project status to relevant stakeholders.
• Collaborate with cross-functional teams to ensure a shared understanding of quality expectations.

About the Company
Our client is a leading autonomous vehicle technology company working at the forefront of self-driving software development. Their internal simulation platform is mission-critical — every change to the autonomy stack is validated through simulation before deployment.

Role Overview
We are looking for an experienced Python engineer to support a legacy internal tooling application currently undergoing an ownership transition.

This is a high-visibility role where you will act as the single point of contact for a simulation-related tool — ensuring stability, supporting users, implementing small improvements, and transforming tribal knowledge into structured documentation for future platform integration.

This role is ideal for engineers who enjoy support-oriented environments, legacy systems, async communication, and ownership.

Responsibilities
• Own and support a Python / JavaScript (Vue.js) internal application
• Monitor Slack support channel and respond to user requests (data queries, bug reports, small feature requests)
• Implement minor enhancements (UI updates, schema changes, configuration adjustments)
• Participate in knowledge transfer sessions with the outgoing developer
• Create clear technical documentation (architecture, data models, runbooks)
• Transfer knowledge to the receiving engineering team
• Provide weekend on-call support via OpsGenie (incident response)

Requirements
• 5+ years of software engineering experience
• Strong Python skills (backend services, scripting, debugging)
• Solid experience with PostgreSQL or other relational databases
• Ability to work with legacy / undocumented codebases
• Basic frontend skills (JavaScript / Vue.js)
• Experience in async support environments (Slack or similar)
• Strong written and spoken English
• Availability during California business hours (9 AM – 5/6 PM PT)
• Comfortable working on on-call rotation (weekends)

Nice to Have
• Experience in autonomous vehicles / robotics / simulation domains
• Familiarity with Kafka or event-driven systems
• Experience with knowledge transfer or documentation initiatives
• Awareness of tools like Airflow

Working Hours: 9 AM – 5/6 PM PT (California time)

🚀 Join Our Team as a Head of Affiliate (Remote)

We are looking for an experienced Head of Affiliate to lead our performance marketing efforts across CIS markets and build a scalable, profitable customer acquisition system. This role involves full ownership of traffic acquisition, unit economics, and affiliate network development, with a strong focus on consistent FTD and ROI growth.

Be part of a team that launches exciting new projects worldwide! 🌎

What experience is important to us:

📌 Responsibilities

• Manage and scale traffic acquisition across multiple products
• Develop and optimize key channels (Paid Social, Google Ads/UAC, SEO/ASO, PPC, Affiliate, Influencers)
• Build and optimize the full acquisition funnel (inbound & outbound)
• Scale the affiliate network and improve partnership terms
• Ensure traffic quality, conduct analytics, and prevent fraud
• Analyze CJM and improve conversion across the funnel

• Build and scale the team, optimize internal processes

   

✅ Requirements

• 3+ years of experience in iGaming / betting
• 2+ years in a Head / Lead role in performance / acquisition
• Proven track record of scaling traffic and growing FTD
• Strong understanding of CIS markets and traffic sources
• Hands-on experience with key channels (Paid Social, Google Ads/UAC, SEO/ASO, Affiliate, Influencers)
• Strong expertise in analytics and unit economics (CPA, ROI, ARPU, LTV, FTD)
• Strong negotiation and partner management skills, with understanding of iGaming regulations

• Knowledge of Ukrainian/Russian, English (B2)

   

Why you should join us:

🔸 We work remotely: Mon-Fri, from 9:00 to 18:00

🔸 Paid vacation and sick leave – we care about your health and timely rest.

🔸 Competitive salary – your contribution will be properly valued.

🔸 Participation in company internal events – knowledge exchange among colleagues and enhancing your expertise.

🔸 Corporate psychologist for mental well-being

🔸 100% guaranteed professional development and acquisition of new skills.

🔸 As a team, we are constantly striving to be the best among our competitors! We offer a dynamic, forward-thinking work environment within a profitable company.

If this vacancy interests you, send us your resume — you might be exactly who we're looking for!

Join the best! 🚀

Requirements:

- 5+ years in security engineering, infrastructure security, or runtime systems;

- Deep knowledge of proxy architectures, TLS inspection, and API security;

- Experience with policy-as-code systems (OPA, Cedar, or similar)

- Proficiency in Go, Rust, or C++ for performance-critical systems;

- Background in enterprise security products, cloud infrastructure, or compliance tooling.

Responsibilities:

- Design and implement the runtime policy enforcement engine;

- Build DLP inspection pipelines for AI traffic (prompts, completions, tool calls);

- Architect zero-trust networking for AI gateway infrastructure;

- Implement audit logging, compliance evidence generation, and tamper-proof trails;

- Define security posture for the platform itself (SOC 2, ISO 27001 readiness).

We offer:

- Variety of domains;

- Full stack of technologies;

- Professional and highly interactive team environment;

- Management style based on openness and trust;

- Stable support in personal education and growth;

- Worthy compensation;

- Active community with regular knowledge sharing;

- Flexible work conditions.

Digis is looking for a Senior Data Engineer to join our long-term partnership with a US-based global leader in hospitality analytics.

About the Project

Our client is a premier SaaS provider that transforms front-desk staff into revenue generators for the world’s most iconic hotel brands, including Hilton and Marriott. Their platform operates in over 2,000 properties across 124 countries, managing billions in revenue.

The project is in an active development stage, focusing on processing massive data volumes to deliver real-time business value.
You will join a large, distributed team (approx. 50 people) and collaborate directly with the US-based CTO.

Your Responsibilities
 

• Manage data pipelines from ingestion to ready-to-use analytical models.
• Help scale case detection processes and improve existing services by splitting them into smaller microservices.
• Build, debug, and optimize ETL jobs using AWS Glue, EMR, and Spark.
• Write and improve SQL queries for PostgreSQL/Redshift, and work with DynamoDB where needed.
• Support workflows in AWS ECS Fargate and set up local environments for testing and deployment.
   

Requirements
 

• 5+ years of experience as a Data Engineer.
• 2+ years of hands-on production experience with Spark or PySpark.
• 3+ years of experience with the AWS ecosystem (specifically Glue, EMR, S3, and Redshift).
• English: High level (Upper-Intermediate/Advanced) for frequent technical meetings and direct collaboration with the US CTO.

We Offer
 

• 20 paid vacation days per year
• 5 paid sick leaves per year (no medical documents required)
• Personalized development plan with training compensation
• English courses compensation
• Work equipment if needed (PC / laptop / monitor)
• Opportunity to switch between projects and technologies within Digis
• Full accounting and legal support

Profisea is an Israeli boutique DevOps and Cloud company with a full cycle of services. For more than nine years, we have been implementing best practices of GitOps, DevSecOps, and FinOps, and providing Kubernetes-based infrastructure services to help businesses of all sizes —SMB, SME, or large enterprise clients to stay innovative and effective.     

We are looking for a Data Engineer with 3+ years of experience building and maintaining scalable data platforms in cloud environments. The ideal candidate will design, implement, and optimize data pipelines that support analytics and data-driven applications across AWS and GCP ecosystems.
Responsibilities

• Design, develop, and maintain scalable data pipelines and ETL/ELT workflows.
• Build and manage data processing solutions using AWS Athena, AWS Glue, Glue Data Catalog, EMR, and S3.
• Implement data ingestion and replication pipelines using AWS DMS and other integration tools.
• Develop and orchestrate workflows using Apache Airflow and GCP Cloud Composer.
• Manage and optimize analytical workloads in Google BigQuery.
• Perform database migrations using AWS DMS and GCP Database Migration Service.
• Work with relational and NoSQL databases including PostgreSQL, MongoDB, Amazon RDS, DocumentDB, OpenSearch/Elasticsearch, and CloudSQL.
• Ensure data quality, reliability, and performance across data platforms.
• Collaborate with data analysts, data scientists, and software engineers to enable efficient data access and analytics.

Requirements

• 3+ years of experience in Data Engineering or related roles.
• Hands-on experience with AWS data services including Athena, Glue, Glue Data Catalog, EMR, DMS, and S3.
• Experience working with GCP data platforms, especially BigQuery and Cloud Composer.
• Experience with database migration tools such as AWS DMS or GCP Database Migration Service.
• Strong knowledge of SQL and data modeling.
• Experience working with PostgreSQL, MongoDB, and search platforms such as OpenSearch or Elasticsearch.
• Experience managing relational databases like RDS and CloudSQL.
• Familiarity with workflow orchestration tools such as Airflow.
• Understanding of data warehousing, data lakes, and distributed data processing concepts.

Nice to Have

• Experience with large-scale data lake architectures.
• Experience optimizing BigQuery or Athena query performance and cost.
• Knowledge of infrastructure-as-code and CI/CD for data platforms.
• Experience working in multi-cloud environments (AWS + GCP).

What we Offer: 

• Competitive salary   
• Remote work 
• Flexible schedule 
• Career growth 
• Sport compensations 
• Professional working environment, where you’d be an essential member of our company 
• Corporate culture, mutual support. 

The US based content management and marketing data analysis platform which allows SEO/SMM agencies and their customers to have full control over content planning, collaborative development and publishing to production. It also provides full visibility of content impact on a web site ranking in a real time via massive data collection, aggregation and reporting.

Dev stack you will use:

• Python 2.7 (migrating to 3) Flask
• SQL Alchemy
• PostgreSQL
• Cloudflare Workers
• GCP, AWS

What you will do:

• Build, maintain and refactor backend services using Python.
• Develop asynchronous workflows for data ETL processes. 
• Improve PostgreSQL DB layer: query optimisation, DB structure, service reliability, and parallel execution
• Design and support REST APIs used by frontend and internal services
• Add monitoring, logging, and basic observability to keep the platform healthy

How to work with us:

• Small product team (5 US-based, 1 in EU)
• Agile workflow and Kanban methodology
• Communication over Slack, Zoom in English
• 2 hours daily overlap with MST time zone (10:00-19:30 CET)

What we expect from you:

• 4-6 years of production experience with Python (backend and data‑intensive systems - data ETL flows)
• Strong PostgreSQL fundamentals, query optimisation, and migration.
• Good experience with SQLAlchemy;
• Experience designing background jobs, async tasks, and fault-tolerant workflows;
• Experience integrating with third-party APIs (REST, webhooks, OAuth, background syncs)
• Strong English & communication skills (B2 or hier) 
• A mindset to solve problems, not tasks and testing skills. 
• Big plus: previous experience with SEO, AdTech, or marketing-related products
• Big plus: previous experience with data ETL and Cloudflare Workers

What we offer (besides a motivating salary):

• Working format: fully remote
• Working hours: 10:30 - 19:30 CET (2 hours overlap with MST daily)
• Assignment: full-time, long-term
• Ability to influence the product roadmap
• No overtime - healthy work-life balance
• No rush - we thoroughly plan our work. 

• Compensation: B2B contract with an hourly rate in USD + PTO of 15 working days/annual

   

Our interview process:

• 20m interview with one of our Talent Team Partner
• 30m interview - Tech Screening with our Engineers
• 1h interview - Tech Deep Dive with customer Engineers 
• 30m offer discussion

We're looking for a Lead Generator who is proactive, driven, and ready to grow with the FuturiX Solutions team 📈

If you enjoy communication and outreach, and want to build a career in B2B sales - we'd love to meet you.

🛠️ Key Responsibilities:

🔹 LinkedIn outreach via multi-step campaigns to schedule calls with potential clients

🔹 Track outreach metrics and continuously optimize campaigns

🔹 Qualify, nurture, and segment leads based on ICP

🔹 Meet monthly KPIs and align with team priorities

🔹 Collaborate with the Sales Team and provide regular updates

🔹 Build and maintain lead databases: analyze, verify, and segment.

📋 Requirements:

🔹 Organizational and time management skills with a results-driven mindset

🔹 Basic understanding of lead generation principles

🔹 Basic familiarity with B2B sales concepts or entry-level experience

🔹 Willingness to follow structured outreach workflows

🔹 Basic experience with CRM tools or lead-tracking systems

✨ Nice-to-Haves:

🔹 Prior experience in lead generation or sourcing

🔹 Interest in fintech, blockchain, SaaS

🔹 Existing professional network is a plus

🌱 Why Join Us?

🔹 Collaborative Team Culture – supportive, innovative environment that values mentorship and teamwork

🔹 Flexible Work Setup – remote-friendly and focused on work-life balance

🔹 Growth-Oriented Environment – continuous learning and professional development

🔹 Exciting Projects – work with clients across diverse industries

🔹 Real Impact – your work directly drives the growth and success of FuturiX Solutions 🌍

Contract Type: Full-time freelance (168h per/mo)

Duration: 3 months (with strong potential for extension) 

Start Date: ASAP

About the Role

The role is to help develop web based business app to be used by agents and support teams to enter and process claims in the auto insurance industry. Industry experience is not required, but primarily looking for someone with experience building large and complex data entry workflows

Responsibilities:

• Development of complex, multi-screen data entry and management flows.
• Conditional logic for guiding data entry based upon selections.
• Custom components which provide visuals and UI tools to simplify and standardize data entry.
• Integration with backend REST API.
• Next.js, React, Typescript, and Zod.

What We're Looking For:

• Strong proficiency in React, Next.js, and TypeScript (3+ years of experience)
• Good English communication skills (B2+)
• Experience with modern CSS (Tailwind, CSS Modules, or styled-components)
• Familiarity with RESTful APIs and async data handling
• Good communication skills and ability to work in a distributed team

Why Join Us

It's a freelance gig – no fancy perks, no gym memberships, no "unlimited PTO" buzzwords.

What we can promise:

• Payments on time. Always.
• A great client: communicative, reasonable, no drama.
• A team that's easy to work with: we keep things simple and respectful.
• Real chance for extension. This team has been renewing contracts for almost a year.

About UsWe are a fast-growing company in the AI Voice / performance-driven B2B space. We help businesses replace inefficient manual processes with scalable AI solutions that directly impact revenue.
Our product is already used by 20+ brands across 8+ GEOs, and we are scaling our sales engine aggressively.

Who We’re Looking ForWe’re looking for ambitious and results-driven Senior Marketing Manager who will fully own marketing end-to-end. This is a single marketer role: website, buyer personas, customer journey, content, LinkedIn, SEO. You own execution and outcomes.

About YouYou think in buyer personas, funnels, and revenue, not channels. You can turn strategy into concrete actions, pages, posts, and experiments. You are proactive, structured, and comfortable with fast-paced environment can self-organise and prioritize.

What Awaits You

• High-impact, senior-level ownership role
• Direct work with founders and CBDO
• Opportunity become a Head of Marketing
• No bureaucracy, fast iteration
• Clear priorities and performance expectations
• Opportunity to scale marketing from 0 → predictable inbound
• Resources to reach results
• Strong influence on sales pipeline and positioning

Responsibilities

• Own and execute end-to-end B2B marketing as a single marketer
• Own and continuously improve the company website as a revenue and conversion asset
• Implement in activities Buyer Personas, ICPs, and Customer Journeys
• Align website, content, and channels to each stage of the buying journey
• Build and manage founder-led LinkedIn personal branding
• Own and grow the company LinkedIn presence
• Execute SEO strategy hands-on with intent-based content
• Support sales with demand, credibility, and objection-handling content
• Track and report marketing impact on inbound, pipeline, and revenue

Requirements

• 5+ years in B2B marketing (services, SaaS, or performance-driven businesses)
• Strong experience with Buyer Personas and Customer Journeys in practice
• Proven ownership of a B2B website as a growth channel
• Hands-on SEO experience (not just coordination)
• Strong written English (content, positioning, messaging)
• Proven experience managing founders’ personal social profiles (LinkedIn)
• Experience working closely with sales or founders
• High level of autonomy and ownership

Nice to Have

• Experience in iGaming, AI, SaaS, or performance-based services
• Experience with LinkedIn Ads or Google Ads
• Basic CRO or conversion optimization background

What we offer 

• Fully remote work format and flexible working hours.
• Competitive salary pegged to USD.
• 24 days of paid vacation (sick leave, national, religious, and company holidays).
• A friendly communication culture and transparent processes.
• Dynamic work environment.
• Opportunities for professional development and career growth.
• No micromanagement — just trust, ownership, and freedom to experiment.

PaiDefence is a British-Ukrainian DefenseTech company building air defence systems already deployed on the frontlines. We push real technology to the battlefield — not demos, not paper specs.

We are looking for a Lead Hardware & Systems Engineer to own the full hardware domain — from system architecture through to serial production and stable field operation. You will drive our prototype to a production-ready device, coordinate mechanical and electronics engineers, and set up small-series manufacturing with potential to scale.

Responsibilities

• Architecture & Design — system hardware architecture, component and enclosure selection, thermal management, sealing, rugged design decisions, and technical specifications
• Hands-on Development — hardware bring-up, testing, verification, reliability analysis, and fault investigation
• Industrial Readiness — prototype-to-DFM/DFA transition, production documentation, contractor management, and quality control

• System Integration — integration of hardware with electronics, sensors, and antenna systems; cable architecture; field power; uptime and health monitoring

   

Requirements

• Proven experience in hardware system development
• Track record of taking a product from prototype to serial production
• Strong system architecture skills and hands-on hardware development
• Familiarity with industrial-grade or mil-tech standards

• Understanding of mechanical design and CAD tools

   

Nice to Have

• Experience with rugged solutions for field or industrial environments
• Background in DefenseTech, aerospace, or adjacent domains
• Familiarity with RF components or antenna systems

• English — B1+ (technical documentation, occasional communication)

   

What We Offer

• Real impact — your decisions directly affect the reliability of air defence systems in the field
• Full ownership of the hardware domain from day one
• Deep-tech engineering challenges that don’t exist in the civilian sector
• Office in central Kyiv, 3 minutes from the metro
• Full-time, standard business hours; some tasks may require involvement outside the usual schedule (field testing, critical updates)

We are a British—Ukrainian air defence tech company building distributed systems across the frontline. 

Our core value is impact for Ukraine: we build technology that makes a real difference on the actual battlefield, not in labs or on paper specs. 

We operate with a deep-tech mindset, pushing new technologies where engineering rigor truly matters. 

We value ownership and responsibility—people who execute, deliver, and stand behind the results.

We are looking for a high-level Senior IoT DevOps/Cloud Engineer to join our MilTech team. 

You will be building and scaling the infrastructure for a complex software-hardware system that operates in extreme environments. This isn’t just about “moving containers”; it’s about ensuring real-time data flow from the frontline (Edge) to the Command Center (Cloud) with 100% reliability.

What You’ll Do (Responsibilities)

• Infrastructure as Code (IaC): Design and maintain scalable cloud environments (AWS/Azure/Private Cloud) using Terraform or Pulumi.
• Edge Operations: Architect and manage CI/CD pipelines for embedded devices and SDR systems (Software-Defined Radio), including remote firmware updates (FOTA).
• Secure Connectivity: Build and maintain secure, encrypted communication tunnels (VPN, WireGuard) between hardware units and the cloud.
• Observability: Implement monitoring and logging for both cloud services and physical hardware units (Prometheus, Grafana, ELK).

• Security & Hardening: Enforce strict security protocols for data at rest and in transit, ensuring compliance with defense-grade standards.

   

What We’re Looking For (Requirements)

• Experience: 5+ years in DevOps/Cloud Engineering with at least 2 years in IoT or hardware-integrated projects.
• Cloud Mastery: Deep knowledge of AWS/Azure (IoT Core, Greengrass is a plus) or similar cloud providers.
• Containerization: Expert-level Docker & Kubernetes (including experience with Edge-specific distributions).
• Programming: Strong scripting skills in Python, Bash for automation and hardware interaction.
• Linux Power User: Experience with OS hardening, and building custom images (Yocto or Debian-based).

• Networking: Deep understanding of networking protocols (MQTT, gRPC, Protobuf, WebSockets) and mesh networks.

   

Nice to Have (The “Bonus” Skills)

• Experience with SDR (Software-Defined Radio) or signal processing workflows.

• Background in cybersecurity (Penetration testing or hardware security).

   

Why Join Us?

• Real Impact: Your code directly influences the efficiency and safety of operations on the ground.
• Complex Challenges: We solve problems that don’t have “StackOverflow” answers.
• Cutting-edge Tech: Work with the latest in AI, SDR, and autonomous systems.

• Elite Team: Collaborate with veterans of the tech industry and defense experts.

   

We Offer

• Meaningful and high-impact work in the AIR defense domain
• Practical R&D environment with real autonomy
• Direct influence on technical decisions and the product direction
• Work in an experienced senior engineering team
• Сlear, fast, senior-to-senior communication with a minimum number of team meetings
• Office in the center of Kyiv (available for onsite work when required)
• Full-time position
• Location — all options are possible — offline, remote or hybrid. Occasional visits to the Kyiv office only when strictly required will be preferred.
• Standard business hours; some tasks may require involvement outside the usual schedule (testing, critical updates)

Pai Defence is a British-Ukrainian air defence tech company building distributed systems across the frontline. 
Our core value is impact for Ukraine: we build technology that makes a real difference on the actual battlefield, not in labs or on paper specs. We operate with a deep-tech mindset, pushing new technologies where engineering rigor truly matters.
 

We’re looking for an experienced Linux engineer whose primary responsibility will be integrating various SDR (Software Defined Radio) devices into our software platform. 
This is a role for those who love working at the hardware-software boundary, understand how data travels from physical ports to high-level applications, and can make that path as fast and reliable as possible.
 

What you’ll do:

• Integrate different SDR models into a unified Linux-based ecosystem
• Work with vendor SDKs and develop high-performance userspace applications
• Optimize high-throughput data processing in real-time
• Write clean, stable, and performant code in C++ or Python
• Debug inter-process communication, manage buffering and latency

Requirements:

• 5+ years of professional Linux systems experience
• Linux Power User: comfortable in terminal, understands kernel-space vs user-space, knows systemd and driver configuration
• Hardware Interface Expert: hands-on experience with USB 2.0/3.0, Ethernet, or other high-throughput interfaces
• Data Stream Architect: understands IPC principles, ring buffers, memory overflow prevention, and latency minimization for raw data transmission
• C++ Developer: writes reliable code that doesn’t crash on the first unexpected packet from hardware
• English: B2 or higher

Nice to have:

• SDR experience: familiar with RTL-SDR, HackRF, USRP, or has GNU Radio experience
• Experience with ROS/ROS2 (node development, topics/services)
• Understanding of data transmission protocols and digital signal processing (DSP)
• Hobbies related to electronics, radio communication, or robotics

We offer:

• Meaningful, high-impact work in Ukraine’s air defense domain
• Deep-tech engineering challenges where rigor and performance matter
• High ownership and autonomy from day one
• Work format: Kyiv office with occasional remote days
• Senior engineering team with direct communication and minimal bureaucracy
• Full-time position with standard hours; occasional off-hours for testing/updates

We are a British—Ukrainian air defence tech company building distributed systems across the frontline. We are looking for a Production ML Researcher / Data Engineer to take ownership of the data and ML infrastructure behind our current and future computer vision products.

Our core value is impact for Ukraine: we build technology that makes a real difference on the actual battlefield, not in labs or on paper specs. We operate with a deep-tech mindset, pushing new technologies where engineering rigor truly matters. We value ownership and responsibility—people who execute, deliver, and stand behind the results.

We especially value engineers with strong analytical thinking and proven problem-solving skills — such as participation in mathematical/programming olympiads or experience contributing to open-source projects.
 

Key Responsibilities

• Build production-grade data collection, labeling, and dataset curation pipelines for CV models
• Design workflows for annotation, quality control, and continuous dataset improvement
• Set up model deployment, experiment tracking, versioning, and monitoring
• Support training and inference pipelines in production environments
• Run experiments with different CV models and approaches, evaluate results, and improve system performance

• Help define the architecture and engineering standards for ML infrastructure across product lines

   

  Requirements:

• Strong background in Machine Learning / Computer Vision
• Hands-on experience building data pipelines for ML systems
• Experience organizing labeling workflows and maintaining dataset quality
• Practical knowledge of model deployment, MLOps, and production ML
• Strong Python skills and experience with PyTorch or similar ML frameworks
• Ability to move between research and engineering: experiment, evaluate, deploy, improve
• Strong analytical thinking and solid foundations in linear algebra, probability, and statistics

• English: B2 or higher (working w/ international team members)

   

  Nice to Have

• Experience in DefenseTech, SigInt, or embedded systems
• Understanding of RF-related data or sensor-driven ML systems
• Experience with real-time or low-latency ML pipelines
• Background in active learning, human-in-the-loop labeling, or continuous retraining workflows

• Open-source contributions or strong олимпиадное / competitive programming background

   

  We Offer

• Meaningful and high-impact work in the AIR defense domain
• Practical R&D environment with real autonomy
• Direct influence on technical decisions and the product direction
• Work in an experienced senior engineering team
• Сlear, fast, senior-to-senior communication with a minimum number of team meetings
• Office in the center of Kyiv (available for onsite work when required)
• Full-time position
• Standard business hours; some tasks may require involvement outside the usual schedule (testing, critical updates)