Jobs at Djinni

WHO WE ARE

Respaid unlocks hidden B2B revenue through AI-powered debt collection. 20+ people across US & Europe—incl. 10 UA engineers—ship weekly via Linear, GPT-4 agents & full-stack automation. Backed by Y Combinator plus founders of Dropbox & Docker.

WHY THIS WILL EXCITE YOU

• Ship AI that drives revenue — production impact from day one.
• 99.9% uptime, 10–50× dev velocity — obsession with tooling (Cursor, Claude Code, n8n).
• Small, elite team — zero corporate drag, direct access to CEO/CTO.
• Path to Staff / Lead — out-ship, out-learn, own massive scope.

WHAT YOU'LL TACKLE

• Build end-to-end AI features: data scraping → RAG pipelines → automated system sync.
• Craft idempotent, rate-limit-resilient integrations with CRMs & accounting tools.
• Engineer context-rich AI replies and dynamic recovery orchestration.
• Validate & iterate on AI outputs for production-grade accuracy.
• Contribute light DevOps, CI/CD, SRE for 99.9% uptime.

DAY-TO-DAY OWNERSHIP

• Ship code daily (PHP Laravel & Python FastAPI).
• Pair with AI teammates (Cursor, Claude Code) for 10× throughput.
• Review logs/metrics, squash bugs, automate yourself out of toil.
• Collaborate with leadership on roadmap & architecture.

MUST-HAVE SUPER-POWERS

• Proven experience shipping AI-powered production systems (not research).
• Hands-on with RAG pipelines, large-scale scraping, prompt engineering.
• Strong API integration & automation chops.
• Rapid context switching, self-starter, ownership mindset.
• Upper-Interm. English, clear async communication.
/// must have strong experience with Python FastAPI, and PHP expertise will be considered a significant plus, as we’re seeking a Full-Stack AI Engineer

NICE TO HAVE

• Multi-tenant SaaS, deliverability optimization, event analytics.
• IaC, CI/CD, light SRE.

PERKS

• Fully remote; flexible hours (core GMT+2/+3 overlap).
• PTO + national holidays + paid birthday off (and your kids'🎂).
• Private health plan, EN/UA language courses.
• Zero red-tape access to CEO & CTO; path to Staff/Lead for top performers.

HOW TO APPLY

1. Top 1 % receive a paid 2-hour AI coding challenge.
  Pass → 30-min CEO call → offer.

🚀 Ready to build AI that moves the needle? Hit Apply and share one AI workflow you shipped and its ROI.

WHO WE ARE

Respaid unlocks hidden B2B revenue through AI-powered debt collection, done in a respectful way. 20+ people across US & Europe—incl. 10 UA engineers—ship weekly via Linear, GPT-4 agents & full-stack automation. Backed by Y Combinator plus founders of Dropbox & Docker.

WHY THIS WILL EXCITE YOU

• Ship AI that drives revenue — production impact from day one.
• 99.9% uptime, 10–50× dev velocity — obsession with tooling (Cursor, Claude Code, n8n).
• Small, elite team — zero corporate drag, direct access to CEO/CTO.
• Path to Staff / Lead — out-ship, out-learn, own massive scope.

WHAT YOU'LL TACKLE

• Build end-to-end AI features: data scraping → RAG pipelines → automated system sync.
• Craft idempotent, rate-limit-resilient integrations with CRMs & accounting tools.
• Engineer context-rich AI replies and dynamic recovery orchestration.
• Validate & iterate on AI outputs for production-grade accuracy.
• Contribute light DevOps, CI/CD, SRE for 99.9% uptime.

DAY-TO-DAY OWNERSHIP

• Ship code daily (PHP Laravel & Python FastAPI).
• Pair with AI teammates (Cursor, Claude Code) for 10× throughput.
• Review logs/metrics, squash bugs, automate yourself out of toil.
• Collaborate with leadership on roadmap & architecture.

MUST-HAVE SUPER-POWERS

• Proven experience shipping AI-powered production systems (not research).
• Hands-on with RAG pipelines, large-scale scraping, prompt engineering.
• Strong API integration & automation chops.
• Rapid context switching, self-starter, ownership mindset.
• Upper-Interm. English, clear async communication.

NICE TO HAVE

• Multi-tenant SaaS, deliverability optimization, event analytics.
• IaC, CI/CD, light SRE.

PERKS

• Fully remote; flexible hours (core GMT+2/+3 overlap).
• PTO + national holidays + paid birthday off (and your kids'🎂).
• Private health plan, EN/UA language courses.
• Zero red-tape access to CEO & CTO; path to Staff/Lead for top performers.

HOW TO APPLY

Top 1 % receive a paid 2-hour AI coding challenge.
  Pass → 30-min CEO call → offer.

🚀 Ready to build AI that moves the needle? Hit Apply and share one AI workflow you shipped and its ROI.

We’re seeking an experienced .NET Developer to develop and support the U.S. fast-growing global trading platform. This role bridges regulatory compliance and product development, helping ensure the platform meets U.S. brokerage regulations (FINRA, SEC, SIPC) while delivering a seamless user experience.

Details: 
Experience: 5+ years as 
Schedule: Full time, remote in Europe. Need to work with teams from USA and Canada sometimes. 
Start: ASAP
English: Fluent

Ukrainina: Native 
Employment: B2B Contract

What you’ll do:
Collaborate closely with product owners, business analysts, and cross-functional teams (Mobile, Web, QA) to translate requirements into the backend architecture.
Design and build high-performance, scalable backend services in C#/.NET for our real-time trading platform.
Integrate with relational (MS SQL Server), NoSQL (Redis) databases and message broker (Service Bus, Redis) for efficient data storage and retrieval.
Write automated unit and integration tests (xUnit or similar) and contribute to CI/CD pipelines for continuous delivery.

What we need from you:
5+ years of backend development experience with C#/.NET.
Strong proficiency in .NET, Entity Framework Core, and building RESTful APIs.
Solid experience with SQL (MS SQL Server) and NoSQL (e.g. Redis) databases.
Hands-on experience with SignalR and WebSockets, including implementing both server-side and client-side components for real-time data streaming.
Experience with message brokers like Azure Service Bus and Redis Streams, and familiarity with async communication patterns for high-reliability systems
Experience in development, deployment and support of Azure based applications. 
Knowledge of Secure Coding Practices (OWASP)
Strong test-driven development skills (xUnit or similar) and attention to code quality.
Deep understanding of trading or financial systems, including real-time data processing and distributed architectures.
Excellent communication skills and a collaborative mindset to work with diverse technical and business teams.

Nice to have:
Prior experience building US-regulated fintech or trading platforms, with exposure to SEC/CFTC rules and KYC/AML compliance.
Familiarity with Grafana, Angular, Azure DevOps, and modern CI/CD pipelines.
Experience using AI/ML tools or automation to enhance development workflows.
Agile mindset and ability to adapt quickly in a startup-like environment.
 

We are seeking a hands-on Senior Database Administrator with deep expertise in PostgreSQL and MySQL. You’ll design, deploy, maintain, and optimize highly available, scalable database systems. Familiarity with SQL Server, MongoDB, and cloud-native database services (AWS RDS, Google Cloud SQL, Azure Database) is a strong advantage. Candidates with database migration experience (on-prem → cloud or cross-cloud) will be given preference.

Key Responsibilities
- Architect, configure and maintain PostgreSQL and MySQL instances in production
- Define schemas, indexing strategies, partitioning, and sharding as needed
- Implement and manage replication, clustering, failover, and backup/recovery solutions
- Develop and test disaster-recovery plans and runbooks
- Monitor query performance, tune SQL, and optimize configurations
- Collaborate on capacity planning and cost-optimization initiatives
- Plan and execute migrations (e.g., on-prem to cloud, between cloud providers)
- Lead version upgrades, schema changes, and data transformations
- Implement monitoring (Prometheus, Grafana, etc.), alerting, and logging
- Define and enforce security best practices (access controls, encryption)
- Automate routine tasks and deployments using Bash, Python, Ansible, or similar tools
- Partner with Development, DevOps, and Data teams on schema design, ETL pipelines, and query tuning
- Document database architectures, standard operating procedures, and runbooks

Required Qualifications
3 years managing PostgreSQL in production
3 years managing MySQL in production
Hands-on with AWS, GCP, or Azure managed database services (e.g., RDS, Cloud SQL)
Advanced SQL (indexing, query optimization, partitioning)
Backup & recovery strategies, replication, high-availability configurations
Scripting/automation (Bash, Python, Ansible, etc.)
Proven track record of database migration projects (e.g., PostgreSQL → cloud, MongoDB → Atlas, SQL Server upgrades)

Preferred Qualifications
- Familiarity with additional databases (MongoDB, SQL Server, Neo4j, other NoSQL)
- Experience with ETL tools, BigQuery, or data-warehousing concepts
- Certifications in PostgreSQL, MySQL, or cloud platforms (AWS, GCP, Azure)
- Exposure to DevOps practices and infrastructure-as-code (Terraform, CloudFormation)

We’re looking for a Creative Marketing Specialist who’s ready to drive the creation of breakthrough ad concepts – from ideation to execution and ongoing optimization. You’ll be working at the crossroads of creativity and performance, turning bold ideas into high-performing campaigns that shape how users discover and engage with our products.
 

What Makes This Job Unique and Interesting:

• A chance to grow into a leadership role and take ownership of creative direction
• Access to a large internal community of top-tier specialists
• A role where creativity meets analytics – you’ll not only come up with ideas but also see how they perform and why
• The opportunity to directly influence the growth and perception of the product
• A dynamic environment where experimentation, speed, and impact matter
   

What You’ll Be Doing:

• Develop bold advertising concepts and creative strategies for our products
• Analyze market trends and competitor campaigns to uncover fresh creative angles
• Collaborate with designers and UGC creators: write briefs, provide feedback, and oversee production
• Monitor the performance of ad creatives (CTR, CPM, CPA, ROAS) and iterate based on data
• Participate in brainstorms, creative reviews, and post-campaign retrospectives
• Maintain a structured, test-driven approach to ideation and execution
   

What We’re Looking For:

• At least 6 months of experience as a creative marketer.
• Experience developing ad creatives, especially for Meta and TikTok
• Proven experience promoting mobile apps or digital products
• A creative, data-informed mindset with a knack for bold ideas
• Strong self-organization, communication, and collaboration skills
• Excellent English – Upper-Intermediate or higher
• Strong critical thinking and analytical skills
• Structured approach to creative work and problem-solving
• Lead experience is a plus
   

What We Offer:

• Remote work and flexible hours – work from wherever you feel most productive
• 20 paid vacation days + unlimited sick leave
• Compensation for equipment and home-office perks
• Access to our internal knowledge base, community, and learning opportunities
• Health insurance (in Ukraine) and access to a corporate doctor
   

Take ownership. Blend creativity with performance. Make your mark — apply today!

We are looking for an experienced Senior Python Developer to join our global engineering team. The ideal candidate is not only an expert in Python development but also capable of mentoring others, driving code quality, and contributing to architectural decisions. This is a great opportunity for someone ready to take on leadership responsibilities within a collaborative, fast-moving environment.

Details

• Location: Remote (Europe or LATAM preferred)
• Employment Type: Full-Time, Contract
• Timezone: Must be available to work within EST hours
• Start Date: ASAP

• Language Requirements: English — B2+ or higher

   

Key Responsibilities

• Develop, optimize, and maintain backend applications using Python.
• Conduct code reviews, identify improvements, and refactor existing codebases for scalability and performance.
• Collaborate closely with cross-functional teams to deliver reliable, production-grade solutions.
• Mentor junior developers and contribute to team knowledge sharing.
• Participate in architectural design and technical planning discussions.
• Ensure clean, efficient, and maintainable code aligned with best practices.

Requirements

• 5+ years of commercial experience with Python (Django, FastAPI, or Flask).
• Proven experience in code review, refactoring, and enforcing best practices.
• Excellent communication and teamwork skills in English (B2+).
• Previous team leadership experience or readiness to grow into a leadership role.
• Comfortable working and collaborating in EST timezone.

Nice to Have

• Experience with microservices architecture, RESTful APIs, or async frameworks.
• Familiarity with CI/CD, Docker, or cloud environments (AWS, GCP, Azure).
• Knowledge of data processing, ETL, or machine learning pipelines.

We are looking for an experienced Senior PHP Developer to join our team and contribute to the design and development of robust, scalable web applications. The ideal candidate combines deep technical expertise with a problem-solving mindset and a passion for building clean, efficient, and secure code.

Details

• Location: Remote (Europe preferred)
• Employment Type: Full-Time, Contract
• Start Date: ASAP
• Language Requirements: English — Upper-Intermediate or higher

Key Responsibilities

• Design, develop, and maintain backend applications using PHP.
• Implement clean, maintainable, and well-tested code following best practices and design patterns.
• Collaborate with cross-functional teams (frontend, DevOps, QA) to ensure seamless delivery.
• Participate in architectural decisions and technical reviews.
• Optimize application performance and scalability.
• Ensure code quality, security, and reliability.

Requirements

• 5+ years of commercial experience with PHP.
• Strong understanding of OOP, Design Patterns, and best development practices.
• Experience with MySQL or PostgreSQL, including schema design and optimization.
• Hands-on experience with Linux, AWS, and Git.
• Solid understanding of CI/CD pipelines, Docker, web servers, network protocols, data flows, and web security standards.

Nice to Have

• Experience with frontend frameworks such as React, Vue.js, or Angular.
• Familiarity with NoSQL databases (e.g., MongoDB, Redis).
• Knowledge of microservices architecture or API-first development.

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of a fast-growing software product company in advanced manufacturing.
• Learn and fulfil your potential in an open, knowledge-driven culture.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities: 

• Develop, test, and deploy machine learning models and algorithms for various applications. 
• Design and implement end-to-end AI solutions that integrate with existing systems. 
• Collaborate with data scientists, software engineers, and product teams to understand business needs and translate them into technical requirements. 
• Optimize and scale AI models for performance, accuracy, and sustainability. 
• Research emerging AI trends and techniques to continually improve the AI solution offerings. 
• Prepare and maintain documentation on design, code, and processes to ensure organizational knowledge retention. 
• Monitor and evaluate the performance of AI systems in production, identifying areas for improvement or further development.

You will be joining a well-versed team if you have:

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Data Science, or a related field. 
• Proven experience in developing machine learning models and deploying AI solutions. 
• Strong programming skills in languages such as Python, Java, or C++.
• Proficiency with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch, scikit-learn). 
• Experience with data processing frameworks and tools (e.g., Pandas, NumPy) and familiarity with databases (SQL, NoSQL). 
• Solid understanding of deep learning, NLP, computer vision, or other specialized areas within AI is a plus. 
• Experience with cloud platforms (AWS, Google Cloud, Azure) and containerization (Docker, Kubernetes) is beneficial. 
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Good communication skills and the ability to translate complex technical concepts to non-technical stakeholders. 
• Commitment to continuous learning and development in the field of AI and emerging technologies.

We are hiring an experienced Network Engineer to support the planning, implementation, and management of our internal and customer-facing networks.

Details: 
Experience: 5 years 
Schedule: Full time, remote 
Start: ASAP
English: Fluent
Employment: B2B Contract

Responsibilities:

• Configure and maintain routers, switches, and firewalls
• Manage VPNs, VLANs, and access control
• Monitor and troubleshoot network performance
• Maintain documentation and security compliance
• Support network expansion projects

Requirements:

• 5+ years of experience in network engineering
• Deep knowledge of TCP/IP, BGP, OSPF, DNS
• Hands-on experience with Cisco/Juniper devices
• Experience with monitoring tools (Zabbix, Nagios, etc.)
• Certifications like CCNA/CCNP preferred

We are looking for a Cybersecurity Penetration Tester with deep expertise in offensive security and vulnerability assessment. You’ll be responsible for simulating attacks, finding weaknesses, and helping us build more secure systems.

Details: 
Experience: 5 years 
Schedule: Full time, remote 
Start: ASAP
English: Fluent
Employment: B2B Contract

Responsibilities:

• Conduct internal and external penetration testing
• Identify and report security vulnerabilities
• Perform red teaming and threat simulations
• Document findings and recommend remediation
• Stay updated with cybersecurity trends

Requirements:

• Deep knowledge of OWASP, CVEs, and MITRE ATT&CK
• Experience with tools like Burp Suite, Metasploit, Nmap, Wireshark
• Scripting in Python, Bash, or PowerShell
• OSCP, CEH, or other relevant certifications
• Experience in cloud and on-prem security environments

We're looking for a seasoned DevOps Engineer to own our CI/CD processes and infrastructure automation. You'll work cross-functionally with development, QA, and infrastructure teams to improve deployment speed and system reliability.

Details: 
Experience: 5 years 
Schedule: Full time, remote 
Start: ASAP
English: Fluent
Employment: B2B Contract

Responsibilities:

• Build and manage CI/CD pipelines
• Automate infrastructure provisioning and scaling
• Ensure monitoring and alerting for all services
• Improve security and performance of cloud systems
• Collaborate on deployment strategies and incident response

Requirements:

• Proficiency with CI/CD tools (Jenkins, GitLab, GitHub Actions)
• Strong experience with Docker, Kubernetes, and Helm
• Knowledge of Terraform or CloudFormation
• AWS, GCP, or Azure experience
• Strong scripting with Bash, Python, etc.

We are seeking a Senior Android Developer with 5+ years of experience building high-performance, scalable mobile applications. You'll join a cross-functional team to develop user-friendly, secure, and stable Android apps used by thousands (or millions) of users.

Details: 
Experience: 5 years 
Schedule: Full time, remote 
Start: ASAP
English: Fluent
Employment: B2B Contract

Responsibilities:

• Design, develop, and maintain Android applications using Kotlin/Java
• Collaborate with UI/UX designers and backend teams
• Optimize app performance and handle app store submissions
• Write unit, integration, and UI tests
• Ensure security, scalability, and responsiveness

Requirements:

• 5+ years of Android development experience
• Strong in Kotlin and Java
• Experience with Jetpack components, MVVM, Coroutines, Room, Retrofit
• Proficient in Git and CI/CD tools
• Familiarity with Firebase, Android Studio, and performance profiling tools
• Experience publishing apps on Google Play Store

We are looking for a Senior Angular Developer to lead the development of modern web applications. You will be responsible for implementing robust, maintainable code using Angular and collaborating with backend engineers, designers, and QA.

Details: 
Experience: 5 years 
Schedule: Full time, remote 
Start: ASAP
English: Fluent
Employment: B2B Contract

Responsibilities:

• Build and maintain complex web applications with Angular
• Develop reusable components and front-end architecture
• Optimize performance and ensure accessibility
• Integrate with APIs and backend services
• Conduct code reviews and mentor junior developers

Requirements:

• 5+ years of front-end development experience
• Strong expertise in Angular (v10+), TypeScript, RxJS, NgRx
• Solid knowledge of HTML5, CSS3, SCSS, and responsive design
• Experience integrating REST APIs and WebSockets
• Familiarity with Git, CI/CD, and testing tools (Karma, Jasmine, Cypress)
• Understanding of Agile methodologies and clean code principles

Hiring Process:

1. Home Task (Optional): You may be asked to complete a task to showcase your skills (discussed in the technical interview).
2. Technical Interview: A detailed conversation with the Hiring Manager, including a portfolio review and discussion of the optional test task.
3. HR Interview: A final discussion with our HR team to align expectations, company culture, and values.

Benefits:

• 20 vacation days per year + all national holidays.
• 10 paid sick leave days annually.
• Coverage of all necessary software and tools.

About Us:

We are pushing the boundaries of what’s possible in the $365 billion gaming industry. Our groundbreaking Generative AI technology is revolutionizing video ad production, making it up to 10x more efficient. By seamlessly replicating game development environments, we empower game studios to automatically generate high-performance video ads, new game levels, and even entire game mechanics at scale. Through our integration of Generative AI and genetic machine learning models, we consistently deliver 10x improvements in key metrics for major gaming companies. Now, we’re looking for a Motion Designer to join our team and help shape the future of game advertising.

Motion Designer Responsibilities:

• Work within Unity to create and optimize dynamic, engaging video ads for mobile games.
• Use AfterEffects to enhance video ads, ensuring they are visually appealing and aligned with marketing strategies.
• Collaborate closely with game developers and marketing teams to design high-quality assets for ad campaigns.
• Balance creativity and performance optimization to elevate the overall visual quality of video ads.

Key Requirements:

• Proficiency in Unity: Comfortable working within Unity to create and modify assets for video ads.
• Experience with AfterEffects: Strong skills in crafting polished, high-quality video content.
• Background in mobile game ads: At least 1 year of professional experience in producing ads for games, ideally mobile games.
• Creative mindset with artistic sensibility, bringing unique visual perspectives to the table.
• Bonus: You’re an avid mobile gamer with a deep understanding of game mechanics and player psychology.

Our Hiring Process:

1. Home Task (Optional): A chance to demonstrate your skills (to be discussed in the technical interview).
2. Technical Interview: A meeting with the Hiring Manager, including a portfolio review and potential discussion of the test task.
3. HR Interview: A final conversation to ensure alignment on expectations, culture, and values.

What We Offer:

• 20 vacation days annually, plus all national holidays.
• 10 days of paid sick leave per year.
• Full coverage of necessary software licenses and tools.
• A flexible, remote-friendly work environment with the freedom to work from anywhere.

As a Games Integrations Product Manager at TrueLabel, you will take full ownership of integrating top-tier casino game providers into our in-house iGaming platform. From drafting detailed technical documentation to managing implementations and go-lives, you will ensure flawless delivery of gaming content. You’ll also work closely with technical, product, and business teams to optimize provider onboarding and post-launch performance.
 

Your tasks:

• Contribute to shaping the vision, planning, and development of the games product in close collaboration with the gaming department, integration team, and cross-functional teams to ensure high quality and market competitiveness of the platform’s gaming content;
• Leverage data, analyze market trends and competitor offerings to develop business cases for launching new game integrations, features, or enhancing the current offering, and to support strategic product decisions;
• Create detailed and well-structured product specifications for tasks, configurations, features, and integrations with a focus on simplicity and usability;
• Develop and maintain up-to-date documentation, including internal guides, feature descriptions, and user/partner instructions;
• Manage the product backlog: select relevant tasks for implementation and prioritize them according to business value and the company’s strategic goals;
• Oversee the full lifecycle of game provider integrations: planning, implementation, testing, launch, and ongoing support;
• Prepare detailed, high-quality technical specifications for APIs, SDKs, and back-office connections with game providers;
• Generate and validate unique access keys, configure endpoints, and manage credentials and access controls at the brand level;
• Systematize and analyze feedback from partners and internal teams to adjust and improve product strategy and functionality;
• Regularly report to leadership on task progress, feature rollout results, and current challenges.
   

Our Criteria:

• 2+ years of experience in iGaming as a Product Manager, Integration Manager, or similar technical role;
• Hands-on experience with casino game integrations (direct or via aggregators);
• Proficient in creating technical specifications and understanding API documentation;
• Strong project management and communication skills to coordinate with global stakeholders;
• Good understanding of game providers’ ecosystems and industry standards;
• Excellent verbal and written English skills.
   

Our offer:

• We are global, we don’t stick to office or remote options only;
• We value work-life balance and start anytime from 8 to 11, with flexible lunchtime;
• We trust each other and provide unlimited vacation days and sick-leaves;
• We support our people and provide relocation options for team members, who are interested;
• We encourage growth and cover 50% of learning expenses;
• We hold yearly performance reviews to help our team members grow and reach new heights, and reward results with regular performance bonuses;
• We believe in potential and prefer to promote internally, giving everyone a chance to prove themselves, and building our company around talents above anything else;
• We are small enough to hear the opinion of every team member, and already big enough to act on the best ideas - an opportunity to have a visible and immediate impact;
• We celebrate our team with corporate gifts and thoughtful appreciation throughout the year.