Jobs at Djinni

Project Context

Our client is building and maintaining software systems where reliability, data protection, and secure user flows are critical. The QA function is not limited to checking whether features work as expected. The team also needs someone who can actively challenge the system, identify weak points, verify security assumptions, and help prevent vulnerabilities before they reach production.

We are looking for an Ethical Hacker / Penetration Tester who can work closely with QA (or as a part time QA), engineering, and product teams to test web applications, APIs, authentication flows, permissions, infrastructure exposure, and overall application security.

This is a hands-on role. The main expectation is to find real risks, reproduce them clearly, document them properly, and help the engineering team validate that fixes are effective.

Role

We are looking for a Security QA Engineer / Ethical Hacker / Penetration Tester who will take ownership of security testing across application, API, and platform layers.

This person should be comfortable working as part of a QA-oriented delivery process while bringing deeper security expertise into the team. The role requires practical knowledge of penetration testing, vulnerability assessment, secure testing methods, and clear communication with developers.

Key Responsibilities

• Perform manual security testing of web applications, APIs, user flows, and admin panels.
• Conduct penetration testing against staging and production-like environments.
• Identify, reproduce, document, and validate security vulnerabilities.
• Test authentication, authorization, permissions, session management, password flows, and access-control logic.
• Review API endpoints for broken access control, injection risks, data exposure, rate-limit issues, and insecure design.
• Validate security fixes and perform regression security testing.
• Work with QA engineers to include security checks in the regular testing process.
• Prepare clear reports with reproduction steps, evidence, severity, impact, and recommended remediation.
• Collaborate with developers to explain vulnerabilities and verify that fixes address the real issue.
• Support threat modeling and security review of new features when needed.
• Help improve security awareness and testing standards inside the team.

Required Experience

• 3+ years of experience in penetration testing, application security, security QA, or ethical hacking.
• Strong understanding of OWASP Top 10 and common web application vulnerabilities.
• Experience testing REST APIs and web-based systems.
• Practical experience with authentication and authorization testing.
• Ability to discover, reproduce, and explain vulnerabilities clearly.
• Experience using security testing tools such as Burp Suite, OWASP ZAP, Nmap, Wireshark, Metasploit, or similar.
• Understanding of HTTP, HTTPS, cookies, headers, sessions, JWT, OAuth2, MFA, and role-based access control.
• Ability to write simple scripts or proof-of-concept checks when needed, preferably in Python.
• Strong documentation skills and ability to produce actionable vulnerability reports.
• Good communication skills and ability to work directly with engineering and QA teams.
• Upper-intermediate or better English for written and spoken communication.

Nice to Have

• Experience with cloud security testing, especially AWS, Azure, or GCP.
• Experience with Docker, Kubernetes, CI/CD pipelines, and infrastructure security basics.
• Experience with mobile application security testing.
• Experience with secure code review.
• Experience with SAST, DAST, dependency scanning, and security automation.
• Bug bounty experience or responsible disclosure background.
• Security certifications such as OSCP, PNPT, eJPT, CEH, GWAPT, or similar.
• Experience working in product teams rather than only external consulting environments.

What Success Looks Like

• Security issues are found early and described clearly.
• Developers can reproduce and fix reported vulnerabilities without confusion.
• QA coverage becomes stronger because security checks are included in regular delivery.
• Authentication, authorization, and API risks are actively tested before release.
• Security findings are prioritized by real impact, not just tool output.
• The team gains practical confidence that critical user flows and sensitive data are protected.

🔹 About the client

• Industry: A leading subscription e-commerce company in the consumer brands space.

• Team: Distributed, with a strong presence in Eastern Europe.

• Context: They are evolving their ecosystem to be "AI-native" and need an architect to lead agent orchestration and system design.

• Model: Fully remote, fast-moving, and highly collaborative.

⸻

🔑 Who we’re looking for

We need a heavyweight System Architect who moves beyond standard development and thinks in terms of AI-native infrastructure. This role involves leading a small two-person team and reporting directly to the Director of Engineering.

Ideal candidate:

• Senior Architect Mindset: Ability to design complex systems and handle architectural decisions, not just implement features.

• AI-Native Expertise: Practical experience in AI agent orchestration, creating agent skills/tooling, and memory management within the modern AI stack.

• Backend Core: Strong Java and PostgreSQL.

• Security & Infrastructure: Familiarity with security tooling (Cloudflare and similar) is essential as you'll manage your own environment setup.

• Language: Strong spoken English is a must.

• Nice-to-have: Rust experience and previous experience managing small engineering teams.

• Timezone: Ability to provide at least 4 hours of overlap with New York (EST). Eastern Europe is a perfect fit.

⸻

🔑 Cooperation details (white-label)

• Start: ASAP (Backfill)

• Format: Full-time, remote

• Time zone: 4h overlap with EST (New York)

• Rate: Open for your options

⸻

QIT Software is looking for a scrappy, security-focused Infrastructure Engineer to join a fast-growing AI video platform. You'll be responsible for "Security by Design" across the core platform - ensuring AWS-based infrastructure, Kubernetes clusters, and data stores are resilient against evolving threats while maintaining the high performance required for real-time AI video generation at scale.


Requirements:

- 3+ years of professional experience in infrastructure security, SRE, or DevOps
- Hands-on experience securing AWS services and managing containerized workloads in Kubernetes (EKS)
- Proficiency in Python for automation and tool development
- Strong experience with Terraform or equivalent IaC tooling
- Working knowledge of CI/CD pipeline security, container image scanning, and supply chain integrity
- Experience with monitoring and alerting tools (Prometheus, ELK Stack, Datadog, Grafana, or AWS CloudWatch)
- Strong written communication -- you'll need to document runbooks, findings, and remediation plans clearly
- Ability to thrive in a fast-paced, high-autonomy environment where priorities shift rapidly
- Business-level English (written and spoken)

Responsibilities:

- Design and implement security controls across AWS cloud infrastructure (VPCs, IAM, Security Groups) and Kubernetes (EKS) environments. Enforce least-privilege access, network segmentation, and runtime security policies
- Own the end-to-end vulnerability management lifecycle -- scanning, prioritization, remediation, and verification. Upgrade dependencies across services and build automation to keep them current
- Embed security into the development lifecycle -- container image scanning, software composition analysis (SCA), and automated security gates in CI/CD pipelines. Ensure third-party dependencies and base images meet security standards before reaching production
- Use Terraform or equivalent IaC tooling to provision and manage infrastructure with security checks automated directly in the deployment pipeline. Reduce manual toil through scripting and tooling in Python
- Build and maintain detection rules, alerting pipelines, and monitoring dashboards for real-time visibility across infrastructure. Lead technical response to security incidents with root cause analysis, remediation, and documented runbooks
- Secure data pipelines handling user-uploaded media, AI model assets, and generated content -- access controls, encryption at rest/in transit, backup integrity, and audit logging
- Support and advance SOC 2, ISO 27001, and GDPR commitments by automating evidence collection, maintaining security policies, and preparing for audits
- Define and test backup and recovery procedures ensuring the platform meets defined RTO/RPO targets. Contribute to business continuity planning with a focus on security implications during failure and restoration scenarios-

🔑  Ideal candidate:

• 7–10 years in iOS engineering / consulting, with senior-level ownership of complex mobile products

• 5+ years of hands-on Swift experience, including production work with SwiftUI

• Experience with SQLite, GraphQL and/or REST APIs, RxSwift, and Swift Package Manager in real delivery environments

• Experience with architectural patterns such as RIBs or MVI, plus strong practical use of dependency injection

• Solid engineering fundamentals, including memory management, retain cycles, concurrency, threading, Git, and Apple design principles

• Experience publishing iOS apps to the App Store and working with CI/CD pipelines

• Ability to solve complex engineering problems, contribute to technical direction, and mentor others

• Nice to have: enterprise environment experience, strong code review culture, automated testing, cross-functional collaboration with back end and UX/UI, and experience in Scrum / SAFe or long-term consulting setups

🔹 Client - Enterprise Banking Client in the Baltics

• Format: Hybrid (onboarding and occasional in-person meetings in Tallinn, Riga, or Vilnius)

QIT Software is looking for a scrappy, security-focused Infrastructure Engineer to join a fast-growing AI video platform. You'll be responsible for "Security by Design" across the core platform - ensuring AWS-based infrastructure, Kubernetes clusters, and data stores are resilient against evolving threats while maintaining the high performance required for real-time AI video generation at scale.


Requirements:
- Proficiency in Python for automation and tool development

- 3+ years of professional experience in infrastructure security, SRE, or DevOps
- Hands-on experience securing AWS services and managing containerized workloads in Kubernetes (EKS)
- Strong experience with Terraform or equivalent IaC tooling
- Working knowledge of CI/CD pipeline security, container image scanning, and supply chain integrity
- Experience with monitoring and alerting tools (Prometheus, ELK Stack, Datadog, Grafana, or AWS CloudWatch)
- Strong written communication -- you'll need to document runbooks, findings, and remediation plans clearly
- Ability to thrive in a fast-paced, high-autonomy environment where priorities shift rapidly
- Business-level English (written and spoken)

Responsibilities:

- Design and implement security controls across AWS cloud infrastructure (VPCs, IAM, Security Groups) and Kubernetes (EKS) environments. Enforce least-privilege access, network segmentation, and runtime security policies
- Use Terraform or equivalent IaC tooling to provision and manage infrastructure with security checks automated directly in the deployment pipeline. Reduce manual toil through scripting and tooling in Python
- Build and maintain detection rules, alerting pipelines, and monitoring dashboards for real-time visibility across infrastructure. Lead technical response to security incidents with root cause analysis, remediation, and documented runbooks
- Support and advance SOC 2, ISO 27001, and GDPR commitments by automating evidence collection, maintaining security policies, and preparing for audits
- Define and test backup and recovery procedures ensuring the platform meets defined RTO/RPO targets. Contribute to business continuity planning with a focus on security implications during failure and restoration scenarios

QIT Software is looking for an Oracle Fusion Architect position for a leading retail client in Los Angeles, CA on W2.
Looking for a dynamic leader to shape the future of finance and supply chain systems. We're on the lookout for an experienced Oracle Fusion/ERP Architect who can drive innovative solutions, orchestrate complex integrations, and elevate our enterprise architecture. If you thrive on tackling challenging projects, evaluating cutting-edge SaaS technologies, and collaborating across teams to deliver seamless business processes, this is your chance to make a significant impact. Join us and be at the forefront of digital transformation in a fast-paced retail environment.

Requirements:

• Extensive experience and in-depth knowledge of the functionality of ERP Finance and Supply Chain (Direct purchasing & Inventory).
• Hands-on experience with ERP systems such as SAP S/4HANA, Oracle Fusion/EBS required.
  Experience in Planning, VMLP Merchandising systems, PLM Product Lifecycle Management, and Tech Design systems is preferred.
• Knowledge and experience are preferred in managing platforms such as Anaplan, Invent Analytics, Vibe IQ, Flex PLM, Centri, etc.
• Knowledge of system and process best practices required.
• Strong business experience coupled with high energy, drive, and motivation to succeed.
• Experience working with vendors, negotiating work, and ensuring quality.
• Excellent verbal and written communication skills with the ability to sell concepts and ideas to a wide range of audiences; effectively communicate complex concepts to all levels of the organization and the project team.
• Excellent analytical and problem-solving skills.
• Energetic and self-motivated, willingness to learn, and openness to change are important.
• Proven experience in full life cycle implementations of ERP. Consulting experience is a plus.
• 10+ years of experience in ERP, Merch, and Planning systems with increasing functional and technical responsibilities.
• Experience in a retail environment is required.
• Enjoys working in a fast-paced environment.
  
  Responsibilities:
• Responsible for systems architecture on ERP systems – Finance and Supply Chain (Direct purchasing), and dependencies with systems in the areas of PLM, merchandising, planning, digital, POS, etc.
• Extensive experience with new tools evaluation and selection. Market research and use of research and advisory tools. Evaluate new SaaS technologies
• Collaborate with vendors and cross-functional teams to manage RFPs, RFQs, and RFIs.
• Analyze functional business processes and requirements, and map them to technical best practices. Develop and enhance systems based on requirements defined.
• Technical expertise of ERP Cloud and on-prem technology stack and architecture.
• Complete knowledge of cross-functional systems and proactively identify integration dependencies.
• Own the processes of discovery, architecture, and solution design.
• Work with cross-functional teams (business, development, QE, and support teams) to understand the technical and functional impact, and come up with the architecture and design of the systems.
• Understanding advanced, integrated business processes; identifying and recognizing global integration consequences.
• Participate in project management activities often spanning multiple application areas, including estimating and developing LOEs.
• Stay current with the latest trends in technology as they relate to operational business areas.
• Demonstrate our values of Passion for customer service, innovation, expertise, balance, respect for all, teamwork, and initiative.
  
  Details:
• Schedule: Full-time, 5 days onsite with some flexibility
• Office: Los Angeles, CA
• Duration: long-term
  
  Hiring process:
  1 - Pre-screen (up to 30 mins), 
  2 - Interview with the client, 
  3- Interview with the end customer

We are building an AI-powered digital health platform that helps people better understand their symptoms, laboratory results, and health priorities.

The platform combines symptom assessment, biomarker analysis, personalized recommendations, and progress tracking into a single experience. Our mission is to make preventive and personalized healthcare more accessible through technology.

The product is already launched and actively evolving. We are now looking for a proactive Growth & Partnerships Manager who will help us find users, build partnerships, and identify scalable growth opportunities.

What You Will Do

• Identify and test new user acquisition channels
• Find and engage potential partners:
  • laboratories
  • private clinics
  • nutritionists
  • wellness professionals
  • health communities
• Conduct outreach via LinkedIn, email, and social platforms
• Build relationships with online communities and influencers
• Support launch campaigns and product promotion
• Collect feedback from users and partners
• Analyze growth opportunities and propose experiments
• Work directly with the founder on growth strategy
• Help expand both Ukrainian and English-speaking audiences

Requirements

• Experience in Growth, Business Development, Marketing, Partnerships, Community Management, or related roles
• Strong communication skills
• English level Upper-Intermediate or higher
• Ability to work independently and take ownership
• Interest in startups, digital products, AI, health, wellness, or technology
• Proactive mindset and willingness to experiment

Will Be a Plus

• Experience with startups or SaaS products
• LinkedIn outreach experience
• Community building experience
• Knowledge of HealthTech, Wellness, Biohacking, or Preventive Health
• Experience working with international audiences

What We Offer

• Remote work
• Flexible schedule
• Direct collaboration with the founder
• Opportunity to influence product growth from an early stage
• Fast decision-making environment
• Real ownership and responsibility
• Long-term growth opportunities as the company scales

Who Will Be a Good Fit

This role is ideal for someone who enjoys building things from scratch, testing ideas, talking to users, and finding creative ways to grow products.

We are looking for a curious, entrepreneurial person who wants to be part of an early-stage startup journey and help turn a promising product into a widely used platform.

Altum builds software and websites for startups and digital agencies across the US and Western Europe. As we grow, we need someone who's great at finding the right people — that's where you come in.

Your day-to-day:

• Hunt for strong candidates across both tech and non-tech roles
• Use LinkedIn, job boards, social platforms, and any other channel that gets results
• Keep our candidate pipeline well-organized and easy to work with
• Sync regularly with recruiters and hiring managers so you know exactly who we're after
• Help things run smoothly by setting up interviews and managing candidate flow
• Try out new sourcing approaches and double down on the ones that work

You'll be a fit if you:

• Can take a role and start sourcing without needing step-by-step direction
• Write clearly and know how to reach out to people
• Stay organized, notice the details, and move things forward on your own
• Like keeping up with tech hiring and how the talent market shifts

What's in it for you:

• Work fully remote
• Set your own hours within reason
• Paid time off and sick days
• Genuine opportunities to grow as the company does

How hiring works:

• We review your CV
• Quick intro call (up to 30 min)
• Interview with CEO (up to 30 min)
• Final feedback either way

Altum is a Ukrainian software and website development company building products for startups and digital agencies across the US and Western Europe. 
 

What you'll do:

• Focus on candidate sourcing and talent pipeline building across multiple roles
• Search for candidates via LinkedIn, job boards, social media, and other sourcing channels
• Identify and attract strong talent for technical and non-technical positions
• Build and maintain organized candidate databases and pipelines
• Work closely with recruiters and hiring managers to understand hiring needs
• Support the hiring process by scheduling interviews and coordinating candidate flow
• Continuously improve sourcing strategies and explore new channels

About you:

• Comfortable running searches independently with minimal guidance
• Strong written communication and outreach skills
• Organized, detail-oriented, and proactive
• Interested in tech hiring and talent market trends

What you get:

• Fully remote
• Flexible working hours
• Paid vacation and sick leaves
• Real growth opportunities within the company

Hiring process:

• CV review
• Intro call — up to 30 min
• Interview with CEO — up to 30 min
• Final feedback

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe.

We are looking for a new team member to join our Video Devices Division as a Computer Vision Engineer .

The Video Devices Division is responsible for the full development cycle of Ajax video devices, covering every stage from initial concept creation to mass production launch and further scaling. The team focuses on building complex products that combine mechanical design, hardware development, and the integration of low-level software to ensure stable real-time system performance.

The development process involves deep expertise in optics, image quality, embedded systems, Wi-Fi and networking technologies, as well as audio tuning. The division ensures full vertical integration of all device components, creating technologically complete solutions that meet the reliability standards of the Ajax ecosystem and the requirements of global industrial production.

What you'll work with:

• Object detection
• Object tracking
• Face recognition
• Multi-modal search
• Acoustic intelligence
• Models optimization for edge inference
• Research and deliver sota computer vision solutions to exceed today's cctv domain expectations

Your cross-functional partners:

• ml team
• platform team
• annotation team
• qa team

What we're looking for:

• 2+ years with computer vision and python
• experience with pytorch

Nice to have:

• experience with C++
• deploy AI models on edge devices
• computer vision analytics troubleshooting

We offer:

- The opportunity to suggest and implement your own ideas that directly influence the product and its mass production;
- A place in a fast-growing company with a motivated and professional team;
- Competitive salary;
- Medical insurance;
- Corporate English classes;
- The opportunity to participate in Ajax’s internal beta-testing program for security systems;
- Discounts from partner companies;
- Discounts on Ajax products.

Ajax Systems is a Ukrainian success story that has grown into a global product. Ajax devices are trusted by more than 4.5 million end users and 330,000 PRO users in over 180 countries. The company provides comprehensive solutions to protect residential and commercial properties of all sizes. Today, Ajax portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation.

Eldorado is a fast-growing iGaming product focused on player engagement, retention, and long-term value in international markets.

We are looking for a Head of Retention to build and lead retention strategy, increase LTV, and optimize the full player lifecycle.

Responsibilities:

• Build and execute retention & CRM strategy (email, SMS, push, WhatsApp)
• Develop player segmentation and lifecycle campaigns
• Increase LTV, retention rate, and player engagement
• Manage VIP programs and loyalty mechanics
• Work closely with product, analytics, and marketing teams
• Optimize bonus systems, promotions, and player journeys
• Lead and grow retention / CRM team

Requirements:

• 5+ years in iGaming retention / CRM
• Proven experience working with LATAM markets is a must
• Strong understanding of player behavior and lifecycle management
• Hands-on experience with CRM tools and automation
• Experience with VIP сегментом и high-value players
• Analytical mindset (A/B testing, cohorts, LTV)
• English — Upper-Intermediate+

Eldorado is a fast-growing iGaming product focused on player engagement, retention, and long-term value in international markets.

We are looking for a CRM Retention Manager to develop and execute retention campaigns, optimize player communication, and improve player lifetime value across multiple markets.

Responsibilities:

• Plan and execute CRM campaigns across Email, SMS, Push Notifications, WhatsApp, and other communication channels
• Build and manage player segmentation based on behavior, lifecycle stage, and value
• Develop automated player journeys and retention workflows
• Analyze campaign performance and optimize communication strategies
• Collaborate with Product, Analytics, VIP, and Marketing teams
• Support retention initiatives, loyalty programs, and promotional activities
• Conduct A/B testing and implement data-driven improvements
• Monitor player engagement, retention, and reactivation metrics

Requirements:

• 2+ years of CRM or Retention experience within iGaming
• Experience working with LATAM markets is a strong advantage
• Hands-on experience with CRM platforms and automation tools
• Understanding of player lifecycle and retention mechanics
• Strong analytical mindset and data-driven decision-making skills
• Experience with segmentation, A/B testing, and campaign optimization
• English — Upper-Intermediate+

About Eldorado

Eldorado is a fast-growing iGaming product focused on delivering high-quality player experiences through cutting-edge technology and data-driven strategies. We specialize in player acquisition, retention, and engagement, combining strong analytics with innovative communication tools to maximize lifetime value.

Eldorado is a fast-growing iGaming product focused on player engagement, retention, and long-term value in international markets.

We are looking for a Graphic Designer to create visually engaging marketing materials, promotional assets, and player-facing creatives that strengthen our brand and drive engagement.

Responsibilities:

• Design marketing materials for CRM, promotions, social media, affiliates, and advertising campaigns
• Create banners, landing page visuals, promotional graphics, and in-platform assets
• Collaborate with CRM, Marketing, Product, and Retention teams
• Maintain brand consistency across all communication channels
• Develop creative concepts for player acquisition and retention campaigns
• Adapt creatives for different markets and audiences
• Support A/B testing initiatives through creative variations

Requirements:

• 2+ years of experience as a Graphic Designer
• Strong portfolio demonstrating digital marketing and advertising creatives
• Proficiency in Adobe Photoshop, Illustrator, Figma, or similar tools
• Understanding of performance marketing principles
• Ability to work in a fast-paced environment and manage multiple projects
• Attention to detail and strong visual communication skills
• English — Intermediate+

About Eldorado

Eldorado combines data-driven decision-making with creative marketing strategies to deliver engaging player experiences across international markets.

Eldorado is a fast-growing iGaming product focused on player engagement, retention, and long-term value in international markets.

We are looking for a Head of Media Buying to lead our acquisition strategy, manage performance marketing activities, and scale profitable traffic sources across international markets.

Responsibilities:

• Develop and execute media buying strategy across multiple traffic channels
• Lead and grow the media buying team
• Manage large advertising budgets and optimize campaign performance
• Scale profitable traffic sources while maintaining ROI targets
• Analyze campaign performance and identify growth opportunities
• Collaborate with Product, Analytics, CRM, and Affiliate teams
• Monitor market trends, competitor activity, and emerging traffic sources
• Build reporting frameworks and performance dashboards

Requirements:

• 5+ years of experience in performance marketing or media buying within iGaming
• Proven experience managing significant advertising budgets
• Strong knowledge of Facebook, Google, Native, Push, Pop, and other traffic channels
• Deep understanding of ROI, CAC, LTV, and attribution models
• Strong analytical and leadership skills
• Experience working with LATAM markets is highly preferred
• English — Upper-Intermediate+

About Eldorado

Eldorado leverages performance marketing, advanced analytics, and innovative technology to drive sustainable player acquisition and long-term growth.

Responsibilities:

• Identify, recruit, and manage influencers across key markets
• Build long-term partnerships with content creators and brand ambassadors
• Negotiate collaboration agreements and campaign terms
• Track campaign performance and ROI
• Coordinate influencer campaigns with Marketing and Media Buying teams
• Monitor industry trends and competitor activity
• Manage campaign budgets and reporting

Requirements:

• 2+ years of influencer marketing experience
• Experience working with international influencers
• Strong negotiation and relationship-building skills
• Understanding of social media platforms and content trends
• Analytical mindset with experience measuring campaign performance
• English — Upper-Intermediate+