Jobs at Djinni

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Senior Frontend developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.

Key Responsibilities:

• Architect and Develop complex frontend applications using React and Next.js.
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Utilize state management tools like Zustand or similar, and integrate with backend services efficiently using TanStack (React Query) or other data-fetching libraries.
• Implement and maintain CI/CD pipelines using GitLab runners, and manage deployment processes with Docker (build and push to registry).
• Ensure consistency in UI/UX by utilizing component libraries such as PrimeReact or similar, and build reusable components.
• Troubleshoot, debug, and optimize frontend code to enhance performance and maintainability.
• Stay current with the latest frontend technologies, frameworks, and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.
• Contribute to the agile development process by participating in scrum events, and driving towards a cross-functional, collaborative work environment.
• Development and maintenance of a high-level engineering culture within the team.

Qualifications:

• Minimum of 5 years of experience in frontend development with a strong focus on React, Next.js and related technologies.
• Strong proficiency in state management libraries (e.g., Zustand) and data-fetching solutions like TanStack (React Query).
• Solid understanding of modern frontend build tools, CI/CD pipelines, and containerization with Docker.
• Experience with component libraries such as PrimeReact or similar, and a strong understanding of pure React hooks and custom hooks.
• Proven ability to document frontend architectures, designs, and processes clearly and comprehensively.
• Excellent problem-solving skills and attention to detail, with a passion for creating high-quality, performant code.
• Ability to work effectively both independently and as part of a team in an agile environment.
• Strong communication skills with the ability to interact professionally with stakeholders at all levels.
• English at Upper-Intermediate level and above.

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

Description
 

The product revolutionizes accounts payable through its cloud-based solution, featuring automated invoice processing, approval workflows, and 3-way matching. Trusted by over 2,500 companies, the Company employs a proprietary algorithm to automate tasks like entry creation, validation, posting, and approvals, seamlessly integrating with top accounting ERP systems. Essential features include automated document collection, approval notifications, invoice processing, and entry creation, making our product a powerful tool to optimize and simplify your accounting workflows.
 

Requirements
 

- 6+ years of practical experience in Python 3, ideally in constructing extensive backend services employing contemporary architectures such as microservices and REST APIs. Experience as a lead/architect developer in startups is a big plus.
- Thorough comprehension of design patterns and object-oriented design principles
- Solving technical product management problems, product leadership, building architecture from scratch and architecture issues.
- Familiarity with cloud web services, including AWS, Google, and Azure
- Expertise in integrating with 3rd party services/APIs, including the ability to interpret API specifications and liaise with technical support teams if necessary
- Knowledge of Flask or Django MVC framework is advantageous
- Familiarity with relational databases is considered a positive attribute
- Motivation and experience in architecture are required
 

Responsibilities
 

- As a Python Backend Engineer, you will collaborate closely with the existing engineering team to tackle technical challenges and introduce innovative enhancements to our project.
- API integrations
- Covering with testing all the existing codebases from scratch
- Proactivity and ability to work with even badly described tasks
- Ability to implement and offer your own solutions
- Refactoring and new features implementation

Visiting of Warsaw office one time per 3-4 months will be necessary requirement!

About Us

At Mamma Mia Covers LLC, we don’t just sell home products — we deliver comfort, style, and functionality to every interior. Since 2018, we’ve been building a next-generation home & living brand for the U.S. and Canadian markets as the #1 global distributor and top-priority partner of the Italian factory Paulato.

Our signature product — stretch-fit slipcovers — is protected by an international patent and offers a unique blend of design and innovation unmatched in the market.

Why We Stand Out

We’ve been recognized as one of the fastest-growing companies in the U.S. according to Inc. 5000 in 2023, and were nominated as: 

• Top 50 fastest-growing companies in the Consumer Products category in the U.S.
• Top 100 fastest-growing companies in Florida
• Ranked among the Top 1000 fastest-growing private companies in the US 

Each month, our team of 40+ professionals processes over 4,000 orders through platforms like Amazon, Shopify, and others, combining automation, data, and human creativity. We work remotely or in a hybrid environment, use smart tools (Asana, AI, ShipStation, etc.), and foster a transparent, empowering environment where growth and ownership go hand in hand.

Your Mission as an Amazon Account Manager

To drive sustainable growth and profitability of our Amazon channel while strengthening Mamma Mia Covers’ position as a leading brand in the U.S. market.

What We Offer

Financial Stability: Fixed ($1500) + KPI-based bonus

• Compensation for accounting services (for contractors/PE)
• Paid a 2-month probation period

Flexible Work Format

• Remote work
• Full-time role, adapted to your rhythm

Growth & Support

• Coverage of professional courses and certifications
• Access to educational resources
• Freedom to implement new tools and processes
• Career growth opportunities

Care & Comfort

• 21 days of paid vacation + birthday leave 
• Extra days off for important personal events
• Zero micromanagement — we trust responsible people
• We value ownership & initiative
• You’ll feel the support, not the pressure
   

What We Expect from You

• 2+ years of hands-on experience managing Amazon accounts with clear ownership of results, ideally in a product-based / branded business (home & living, textiles or similar).
• Strong understanding of the Amazon ecosystem for physical products: listings, SEO, PPC, promotions, fees, and unit economics.
• Proactive and initiative-driven mindset — ability to quickly respond to changes, identify risks, and propose solutions before issues escalate.
• Deep analytical thinking: ability to dive into data, identify root causes, and suggest effective solutions, collaborating with the team and Amazon Support when needed.
• Experience working with performance metrics, reports, and dashboards, translating data into business decisions.
• Solid Excel skills (formulas, filtering, structuring data).
• Leadership potential: ability to take responsibility and influence others to achieve results.
• Comfortable collaborating across teams (marketing, product, logistics).
• English — Strong Intermediate / Upper-Intermediate +.
   

Your Responsibilities

• Own the overall performance of the Amazon channel, ensuring sustainable growth and profitability.
• Optimize listings to improve visibility, conversion, and long-term organic performance.
• Monitor and manage Amazon-related costs, identifying inefficiencies and optimization opportunities.
• Analyze advertising performance and contribute to strategic decisions that impact revenue and margin.
• Deep-dive into performance issues, anomalies, or account risks, taking full ownership from diagnosis to resolution.
• Actively communicate with Amazon Support when needed to resolve complex or non-standard issues.
• Coordinate tasks and priorities related to Amazon operations, including collaboration with the Catalog Manager.
• Improve and scale internal processes to support growth and operational efficiency.
• Contribute to the development of Amazon as a separate, strategically important business direction within the company.

 Why Choose Us?

At Mamma Mia Covers, we create an environment where your skills can develop and bring real benefits to our clients. We value reliability and innovation, supporting each individual on their path to professional growth. If you resonate with our values of reliability and creativity and want to grow with us, we look forward to receiving your resume!

Overview:
We are looking for an experienced Senior Flutter Engineer to continue the development and optimization of cross-platform applications for mobile and embedded Android devices. This role focuses on delivering high-quality UI/UX, improving application performance, and refining developer workflows. You will collaborate closely with designers, architects, and backend engineers to implement robust, user-centric features using modern tools and best practices.

Responsibilities

• Develop and optimize Flutter-based applications for mobile and embedded Android platforms;
• Implement performant, maintainable UI/UX features based on product and design requirements;
• Integrate secure RESTful APIs, including client-side certificate authentication;
• Enhance integration with existing video streaming infrastructure, with a focus on UX quality and performance;
• Apply modern Flutter development practices such as state management, hot reload, and automated testing;

• Collaborate with cross-functional teams to ensure seamless integration with backend services and CI/CD pipelines.

   

Requirements

• 5+ years of professional experience in software development, with strong focus on Flutter;
• Proven experience building Flutter applications for mobile and embedded Android devices;
• Strong knowledge of Dart, Flutter widgets, state management solutions, and performance profiling;
• Hands-on experience integrating secure APIs over HTTPS, including client-side certificates;
• Experience working with modern developer tooling, automated testing frameworks, and CI/CD pipelines;
• Exposure to video streaming SDKs and multimedia-focused UX optimization is a strong plus;
• Bonus: Experience with AR features, Bluetooth/Wi-Fi communication, or e-commerce platform integrations.

Remote • Part-time • 2+ years experience

About us
IT outsource company with own products. Web & SaaS projects for international clients.

Responsibilities

• Maintain and develop CI/CD pipelines
• Deploy and support services (mono & distributed, multi-region)
• Set up dev/stage/prod environments using IaC
• Support dev team and resolve infrastructure issues
• Infrastructure monitoring and management

Must have

• 2+ years commercial DevOps experience
• Docker, containerization
• Terraform / Terragrunt (modules)
• Ansible
• AWS (ECS, EC2, S3, VPC, IAM, Lambda, CloudWatch, ECR, Route53, Secrets Manager)
• GitHub Actions
• PostgreSQL, Redis
• Nginx
• Multi-region deployments

Nice to have

• PHP ecosystem (LAMP/LEMP, PHP-FPM)
• Cloud Functions / AWS Lambda
• RabbitMQ / PubSub
• Grafana / VictoriaMetrics
• GCP or AWS certifications

Why

• Part-time format
• Production infrastructure
• Direct work with CTO

N.B. - remote Location in Latvia or Lithuania only, possible relocation!!!

Fullstack Developer (Backend-Focused)

In partnership with a global consulting company, we are looking for an experienced Fullstack Developer with a strong focus on Backend development.
We are the software craftsmen behind the digital products of all media brands of our client — a Belgium-based telecommunication company — as well as internal applications that keep the business running.

Our work enables the biggest news and entertainment brands in the Netherlands and Belgium through technology.

Your Main Responsibilities

• Development of new APIs to support clients and fixing bugs
• Upgrading and maintaining backend and frontend applications
• Identifying opportunities to improve the product
• Maintaining and developing a high-quality user experience across existing applications and services in the cloud
• Accelerating the development of services in a fast-moving technical environment

What You Will Do as a Java Backend Developer

• Develop and maintain cloud-based applications and services used across the organization
• Collaborate closely with business stakeholders, developers, architects, and product owners
• Balance fast business delivery with awareness of technical debt
• Ensure quality, security, and long-term maintainability of solutions
• Work collaboratively within an agile squad environment

Must Have (Core Requirements)

Backend & Architecture

• Java 21+ with recent project experience and deep ecosystem knowledge
• Spring Boot 3 / Spring Framework 6
  • Web, Security, Caching, JMS
• Microservices architecture (3+ years of experience)

Cloud & Infrastructure

• AWS (5+ years):
  • ECS Fargate, SNS, SQS, CloudWatch, CloudFormation
  • API Gateway and general cloud security

Databases

• MongoDB (3+ years) — basic CRUD operations
• Relational databases — SQL Server or PostgreSQL (basic CRUD)

Frontend

• 1+ year of experience with React.js, JavaScript
• Front-end test automation

Web & APIs

• Modern web standards: HTTP, REST, JSON

Agile & Tools

• Scrum, Kanban, XP
• Atlassian stack: Jira, Confluence, Bitbucket

Communication

• Professional fluency in English (written and spoken)

Nice to Have (Bonus Assets)

• Advanced Spring Boot: AOP, OpenFeign
• Advanced data experience:
  • MongoDB Aggregation Framework
  • Snowflake, DBT, or Airflow
• Serverless technologies:
  • AWS Lambda (1+ year)
  • DynamoDB
• Alternative frameworks: Quarkus, Thymeleaf
• Domain knowledge:
  • EU GDPR compliance
  • Selligent (Marigold) platform

Personal Qualities

• Strong communication and collaboration skills
• Responsibility and focus on quality over quantity
• Ability to identify technical debt risks
• Passion for fast-evolving technologies
• Security-first mindset

We are looking for a Beta Community Support Engineer to join our big and skilled team, working on a big navigation system. The navigational app works on smartphones and tablets, letting people outsmart traffic, communicate, share trips, etc.

The Beta community includes several thousand volunteers worldwide who participate in various testing phases of the product and aid in improving product quality. The main responsibilities include daily management and communication with the Beta Community — monitoring Beta feedback, bug reports, and suggestions and ensuring questions have a response.

REQUIREMENTS

• Location in Warsaw
• 2+ year in L2 Technical Support or 1+ year in manual QA
• Familiarity with bug-tracking systems and test management tools
• Task-oriented — able to deliver quickly on tight schedules and deadlines, and must be able to adapt to frequent changes in requirements
• High-level English speaker — be able to write and communicate verbally in proficient English, using technical and testing-related terminology

• Experience in software QA methodologies and practices with emphasis on the Mobile world (Android and iOS)
  
  NICE TO HAVE 

   

• Experience utilizing log files to debug and analyze issues
• Experience in operating test tools and analyzing test data
• Good understanding of Client-Server architecture

RESPONSIBILITIES

• Monitoring and debugging Beta community bug reports, suggestions, and forum posts
• Releasing Beta-staged versions to the community via Centercode
• Identifying important and critical issues to track and report about to internal teams

WE OFFER

• A great international team of professionals (Kyiv, Tel Aviv, New York);
• Competitive compensation depending on your experience and skills;
• Work with cutting-edge technologies;
• Medical Insurance;
• English courses with a native speaker;
• International business trips;
• Comfortable office in the heart of Kyiv;
• Remote work during the quarantine.

Sales Manager (Real Estate) — Antalya

Anta Group is a real estate development company specializing in aparthotels and residential complexes in Antalya. We are looking for a motivated and result-oriented Sales Manager to join our team.

Responsibilities:

• Work with incoming leads and existing clients
• Conduct online and offline presentations of real estate projects
• Communicate with clients at all stages of the sales process
• Guide clients through sales statuses and deal stages
• Maintain and update client data in the CRM system
• Build long-term relationships with clients and ensure a high level of service

Requirements:

• Proven experience in sales (real estate or related fields is a strong advantage)
• English — intermediate level or higher
• Strong communication and presentation skills
• Ability to work with CRM systems
• Result-driven mindset and responsibility

We offer:

• Full-time employment
• Office-based work in Antalya
• Fixed salary $800 + sales bonuses
• Opportunity to work with high-quality real estate projects
• Professional growth within an international company

#WeAreIn for jobs that impact everyone's life. What if your ideas could change the way the world connects, powers up, or thinks? As a Staff Engineer Embedded Systems on our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in?

Your Role

Key responsibilities in your new role

• Be responsible for firmware development for the MCU system and peripherals
• Implement drivers and middleware that enable hardware capabilities according to business specifications
• Work with an international team on cutting-edge technology
• Contribute to the innovative advancement of the company’s MCU solutions

Your Profile

Qualifications and skills to help you succeed
 

• A university degree in Computer Engineering, Computer Science, Electronics, or similar domain
• At least 3–5 years of experience in embedded solutions development
• Strong knowledge of Embedded C
• Good understanding of MCU peripherals
• Strong knowledge of communication interfaces like I2C/SPI/UART
• Good knowledge of make-build systems and Git

• At least an intermediate level of English

   

Please send us your CV in English.

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.
 

About the Role

Solidgate builds financial infrastructure for fast-growing internet businesses worldwide. Our platform processes millions of payments daily and operates in a highly regulated fintech environment, where security is a core product requirement — not an afterthought.
 

Our engineering organization builds and scales a complex cloud-native platform with over 120 microservices. As the company continues to grow, we are strengthening our security organization and introducing a dedicated Application Security Engineer role.
 

The mission of this role is to keep our business and revenue safe by building security into the way we develop software — from early design decisions to CI/CD pipelines and live production systems.
 

This is a hands-on Application Security role focused on embedding security into the software development lifecycle and reducing real product risks.
 

You will work closely with engineering teams to:

• design secure application architectures
• improve secure coding practices
• detect vulnerabilities early in the development lifecycle

• continuously improve application security as part of everyday engineering work

   

You will have a direct impact on how secure software is built across a large microservices ecosystem, influencing standards, tooling, and engineering culture.
 

Explore our technology stack ➡️ here (https://solidgate-tech.github.io/)

 

What You Will Own

As an Application Security Engineer, you will be responsible for application-level security across our fintech platform, including:
 

• Building and maintaining secure coding standards and supporting their adoptionl across development teams
• Conducting threat modeling during architecture and design stages
• Implementing and improving application security testing, including: SAST, DAST, Dependency and secrets scanning, CI/CD security checks
• Performing regular application security assessments and maturity evaluations (OWASP ASVS, OWASP SAMM)
• Managing the full vulnerability lifecycle: triage, prioritization, remediation support, and validation
• Supporting external penetration testing and Bug Bounty programs
• Identifying and mitigating security risks in cloud environments and CI/CD pipelines
   

You are a great fit if you have

• At least 2 years of experience in Application Security or Product Security
• Hands-on experience with OWASP Top 10 vulnerabilities
• Practical experience with: secure code reviews, threat modeling, SAST and DAST tools and their integration into CI/CD pipelines
• Strong understanding of web application and API security
• Ability to communicate clearly with engineers and work as a partner rather than a blocker
   

Nice to Have

• Experience with container security and cloud security tooling
• Familiarity with DevSecOps and shift-left security practices
• Experience automating application security processes
• Background as a software engineer or close collaboration with development teams
  
   

Why Join Solidgate?
 

Build security that matters. Lead initiatives that define how security is embedded into our software development lifecycle across multiple teams and products.

Your expertise counts. Enjoy real autonomy — propose, test, and implement security practices and tooling that directly improve product resilience and reduce risk.

Room to experiment. Apply modern AppSec, automation, and shift-left approaches with full support from engineering and security leadership.

Impact & visibility. See the results of your work directly in more secure products, fewer vulnerabilities, and stronger engineering practices.

Collaborative environment. Work side by side with experienced, curious engineers who treat security as a shared responsibility and value partnership over gatekeeping.

The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.
 

Tomorrow’s fintech needs your mindset. Come build it with us.
 

🫂 Know top talent? We’re always on the lookout. Recommend someone for our role, and if they get hired, there’s a bonus waiting for you — simple as that.

The product we are working on is one of the TOP-3 navigation systems, complex web services, and other solutions related to it. The web and mobile apps handle information at a massive scale and extend well beyond the search, giving people and companies a lot of new, useful options.

As an Android Software Engineer, you will design, develop, and implement new UI templates for the core Android Car App Library (CAL). Your work will directly enable the core application team to build new features on the Android Auto platform.

Responsibilities:

• Library Development: Write, test, and maintain high-quality, reusable code for new UI templates within the Android Car App Library (CAL).
• Requirements Analysis: Analyze feature requests from the product and engineering teams and translate these into technical requirements for new, generalized CAL templates.
• Platform Collaboration: Work with the CAL team members and core developers on API design, implementation, and code reviews to ensure contributions align with the library’s architecture and quality standards.
• Technical Support: Provide technical support to the development team as they integrate the new templates.
• Compliance: Ensure all new templates adhere to Android Auto’s driver-distraction and design guidelines.

Requirements:

• 4+ years of experience with native Android application development
• Bachelor’s degree in Computer Science, a related technical field, or equivalent practical experience.
• Proficiency with the Android SDK, component lifecycles, and UI development.
• Strong problem-solving skills and the ability to write clean, abstract, and maintainable code.
• Strong communication skills for collaboration with geographically distributed teams.
• Fluency in English

Nice to have:

• Direct experience with the Android Auto Car App Library (CAL)
• Experience working on large-scale, consumer-facing applications.
• Familiarity with API design principles.

• Familiarity with Kotlin and Jetpack Compose

   

We offer:

• Opportunities to develop in various areas;
• Compensation package (20 paid vacation days, paid sick leaves);
• Flexible working hours;
• Medical Insurance;
• English courses with a native speaker, yoga (Zoom);
• Paid tech training and other activities for professional growth;
• Hybrid work mode (∼3 days in the office);
• International business trips

• Comfortable office.

   

If your qualifications and experience match the requirements of the position, our recruitment team will reach out to you in a week maximum. Please rest assured that we carefully consider each candidate, but due to the amount of applications the review and further processing of your candidacy may take some time.

🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to the client’s needs and processes.

Project overview

We are looking for Backend Engineers to join a growing engineering team working on large-scale, decentralized AI and blockchain infrastructure. The team operates across several core workstreams, including distributed compute infrastructure, data platforms, and asset management systems.

You will work on highly scalable backend systems, infrastructure automation, and data processing pipelines supporting high-throughput blockchain and AI workloads.

Responsibilities:

• Design, develop, and maintain backend systems supporting distributed AI and blockchain platforms
• Build and operate infrastructure for large-scale compute workloads, including GPU-based processing
• Develop and maintain data infrastructure handling high-volume blockchain transactions
• Build backend services and tooling to support asset management, staking, and analytics use cases
• Deploy, monitor, and maintain systems in both cloud and on-prem environments
• Collaborate with engineers across multiple workstreams to deliver reliable, scalable solutions

Requirements:

• Programming languages: Python (required), Rust (nice to have)
• Infrastructure: Kubernetes, Terraform, Networking
• Cloud / Data: GCP, CloudSQL, BigQuery
• AI / GPU: GPU experience (CUDA)

What We Offer

• Paid vacation and sick leave (no medical certificate required).
• Official public holidays — 9-11 days per year.
• Opportunities for professional growth on challenging and interesting projects, with the ability to change roles, learn new technologies, and acquire new skills with company support.
• Flexible work schedule: 8 hours per day, 40 hours per week.
• Personalized Career Development Plan (CDP).
• Employee support program: discounts, medical and legal assistance.
• Paid external training, conferences, and professional certifications aligned with company business goals.
• Internal workshops and seminars.
• The chance to grow as a professional and make a real impact on the team’s results! 🚀

Ready to join us?

Apply now and become part of a team that makes a real impact.

Job Description

We are looking for a highly organized and detail-oriented Assistant Release Manager to join our R&D team. This role will support the Release Manager in planning, coordinating, and executing software releases across multiple teams and environments. The ideal candidate is proactive, tech-aware, and capable of handling communication and documentation across cross-functional teams in a fast-paced development environment.

Experience & Skills

• 1 year+ of experience in IT project coordination, release management, or similar roles
• Basic understanding of the software development lifecycle (SDLC) and release processes
• Proficiency in MS Office suite (especially Excel, PowerPoint, and Word)
• Experience with tools like Jira and Confluence is expected
• Experience with Coding is a plus
• Upper-intermediate level of English (both written and verbal)
• Strong communication and organizational skills
• Analytical mindset and attention to detail
• Ability to work under pressure and meet deadlines
• Proactive and willing to learn

Job Responsibilities

• Assist the Release Manager in coordinating release activities and schedules across multiple teams
• Track and document release readiness and issue status
• Maintain and update release calendars, checklists, and documentation
• Support release planning, cutover, and deployment preparation activities
• Ensure communication of release plans, risks, and outcomes to stakeholders
• Help manage dependencies and align release deliverables with project milestones
• Collaborate with R&D stakeholders to ensure release quality and compliance
• Support preparation of internal and external reports related to releases and deployments

Department/Project Description

Broadband team works on 2nd generations of Harmonic (NASDAQ:HLIT) Cable Access products: actively developing the industry’s first software-based CCAP solution (“Cable OS”) and cloud native CMTS.

These solutions allow to cable operator companies to deliver the IP-based data, video, and voice services to millions of customers. Focus is given to CableOS which will allow to get rid of the existing HW equipment and to migrate to the cloud, saving customers the enormous expenses for the support of HW network equipment.

The system is based on microservice architecture and is running on the general purpose CPUs. It doesn’t require using ASICs and make possible to run the SW both on the bare metal servers as well as on the private cloud infostructure. CableOS is a pioneer in DOCSIS software defined networking (SDN) with all the benefits it gives to the service providers.

GlobalLogic team is involved in development, manual and automated testing, as well as in solution integration at customers’ headend and further technical support 24/7 with providing professional services for Customers.

To learn more - please visit

HTTPS://WWW.HARMONICINC.COM/BROADBAND/
HTTPS://WWW.GLOBALLOGIC.COM/UA/HARMONIC-AND-GLOBALLOGIC/

Job Description

Required Hard Skills (The "Must-Haves")

Expert C/C++: 3+ years of experience in strictly kernel-mode software development.

WinDbg Mastery: Ability to perform "post-mortem" debugging without symbols for third-party conflicts, and live kernel debugging using VMWare/Hyper-V/KDNET. You must be comfortable analyzing stack traces, register states, and trap frames.

Windows Internal Knowledge: Deep understanding of:

IRQLs (Interrupt Request Levels) and DPC/Dispatcher mechanics.

Memory Management (Paged vs. Non-Paged pool, MDLs).

Synchronization primitives (Spinlocks, Mutexes, Pushlocks).

File System Filters: Proven experience with the Filter Manager Model (FltMgr) and Minifilter drivers (FltRegisterFilter, Pre/Post operation callbacks).

EDR/Security Driver Experience: Familiarity with:

ObCallbacks (ObRegisterCallbacks).

Process/Thread/Image Load Notify routines (PsSetCreateProcessNotifyRoutineEx, etc.).

Avoiding deadlocks when injecting logic into high-frequency system paths.

Preferred Skills (The "Nice-to-Haves")
Reverse Engineering: Proficiency with IDA Pro or Ghidra to analyze potential conflicts with third-party drivers (e.g., Antivirus conflicts causing the crash).

x64 Assembly: Ability to read disassembly to pinpoint the exact instruction causing the fault when source lines are ambiguous.

WHQL/WHCP: Experience with the Windows Hardware Compatibility Program signing process (in case the fix requires re-certification).

Job Responsibilities

Key Responsibilities
Crash Dump Analysis: Perform deep-dive analysis of kernel memory dumps (Minidumps and Complete Memory Dumps) to identify the root cause of the crash (e.g., race conditions, stack overflows, invalid memory access, IRQL violations).

Reproduction & Isolation: Design stress tests and verification procedures to reliably reproduce the BSOD in a controlled environment using tools like Driver Verifier and specific load-testing scripts.

Code Review & Remediation: Audit the existing C/C++ driver code (specifically Minifilter callbacks and process notification routines) for thread safety, proper lock usage (Spinlocks/ERESOURCE), and memory handling.

Patch Implementation: Implement robust fixes for the identified issues, ensuring zero regression in driver performance or security efficacy.

Validation: Verify fixes using Microsoft Driver Verifier and HLK (Hardware Lab Kit) basics to ensure stability under high stress.

Department/Project Description

We are an endpoint security company looking for an expert-level Windows Kernel Driver Specialist to assist our engineering team in resolving a critical stability issue. Our Endpoint Detection and Response (EDR) agent is currently experiencing sporadic Blue Screen of Death (BSOD) crashes in the field.

We need an experienced debugger - someone who lives in WinDbg, understands the Windows Memory Manager inside out, and has specific experience improving the stability of file system minifilters and callback-heavy security drivers.

Skill Category

C++

Keyskills - Must Have

• C
• C++
• Kernel
• VM Ware
• Hyper-V
• Windows Programming

About Playson

Founded in 2012, Playson is a leading iGaming supplier recognized worldwide. We provide our partners with a high-end, microservice-based Platform-as-a-Service capable of processing billions of financial transactions daily. Our global infrastructure is designed for cross-regional performance, with a relentless focus on latency reduction and flawless player experience, regardless of bandwidth or connectivity.

We are now building a Platform & Cloud Security function and are looking for the first hire to launch and lead it. This is a rare opportunity to set the standards from scratch and shape how security is embedded into a modern, high-load, cloud-native environment.

Key Responsibilities

• Establish the DevSecOps function at Playson, defining best practices and security standards across the Platform Tribe.
• Integrate security into CI/CD pipelines (SAST, DAST, dependency scanning, container scanning).
• Harden infrastructure and runtime environments (Linux, Docker, Kubernetes/EKS, RBAC).
• Design and enforce cloud security controls in AWS (IAM least-privilege, GuardDuty, Security Hub, encryption at rest/in transit).
• Define and maintain IaC security policies (Terraform/Terragrunt, drift detection, policy-as-code).
• Implement and manage secrets management solutions (Vault, AWS Secrets Manager).
• Build centralized security monitoring & alerting (Datadog, ELK, CloudWatch, SIEM/SOAR).
• Lead vulnerability management and threat modeling practices.
• Automate workflows through scripting (Python, Bash).
• Partner with backend, infrastructure, and platform engineers to embed security in design & delivery.
• Contribute to compliance readiness (ISO 27001, GDPR, PCI-DSS).
• Act as a security subject-matter expert, mentoring engineers and raising awareness.
• Continuously evaluate and implement new security tools and approaches.

Requirements

• 5+ years in Security Engineering / DevSecOps roles, with proven success delivering secure infrastructure and applications.
• Strong skills in Python and Bash for building and automating security workflows.
• Cloud Security (AWS focus) - Deep knowledge of IAM least-privilege design, encryption at rest/in transit, GuardDuty, Security Hub, and best practices for securing multi-account environments.
• Implementation of security controls in pipelines (SAST, DAST, dependency scanning, container image scanning, policy-as-code).
• Hardening of Linux systems, Docker, Kubernetes/EKS; strong experience with RBAC, PodSecurity/OPA/Gatekeeper/Kyverno policies.
• Terraform/Terragrunt, including policy-as-code, drift detection, and compliance enforcement.
• Expertise with HashiCorp Vault, AWS Secrets Manager, or equivalent.
• Hands-on with centralized logging, SIEM/SOAR tools (Datadog Security, ELK, CloudWatch, etc.) and incident response workflows.
• In-depth understanding of secure network design, segmentation, and monitoring.
• Experience with tools enabling temporary, approval-based access (Teleport, AWS IAM Identity Center, Okta, etc.).
• Ability to design and enforce zero trust principles (continuous verification, microsegmentation, contextual access).
• Familiarity with SBOM generation (CycloneDX, Syft), artifact signing (Cosign, Sigstore), and applying SLSA/in-toto frameworks.
• Understanding of ISO 27001, GDPR, PCI-DSS (iGaming relevance), plus experience automating compliance checks with IaC and policy engines.

Nice to have:

• Exposure to Kafka or ClickHouse in security-sensitive environments.
• Familiarity with GitOps tooling (FluxCD/ArgoCD).
• Broader knowledge of SOC 2, HIPAA, or other regulatory frameworks.

What We Offer

• Compensation at top industry standards + quarterly bonuses based on transparent evaluation.
• Remote-first flexibility and adaptable working hours.
• Unlimited paid vacation & sick leave.
• Comprehensive medical insurance (for you and your partner).
• Financial support for major life events.
• Professional growth budget for courses, training, and certifications.

Recruitment Process

1. HR Interview – 45 min
2. Hiring Manager Interview – 60 min
3. Technical Interview – 90 min
4. Final Interview with Head of Platform & CTO – 60 min