Jobs at Djinni

Position: Fullstack Engineer (backend-oriented)

Project Description

We are developing a modern web platform with an admin panel for a volunteer organization. The system will include a public-facing website with a dynamic blog, online payment capabilities, and various third-party integrations to support the organization's operational needs. The admin panel will allow authorized staff to manage content, monitor donations, configure integrations, and oversee overall platform activity.

The project team consists of one Full-Stack Developer (yourself), one Front-End Developer, one Back-End Developer, a Project Manager, and a QA Engineer. The estimated development timeline is 2–3 months.

Note: This project will serve as a probationary period. Upon successful completion, there is potential for a permanent position within the company, working on other projects.

Responsibilities

- Design, build and maintain backend services using Node.js and TypeScript, ensuring reliability, security, and scalability.

- Develop and manage AWS infrastructure (Elastic Beanstalk, EC2, S3, SNS, SES, Lambdas, load balancers, event handling, etc.), and support deployment workflows via CI/CD.

- Build internal APIs and integrate with external services (payments, KYC/AML, media processing, etc.).

- Containerize services using Docker, manage deployments, monitor performance and set up alerting and observability.

- Work on frontend tasks using TypeScript + React: build and support UI components, integrate frontend with backend APIs, and implement medium- to large-size features.

- Participate in code reviews, both backend and frontend; ensure code quality, consistency, and best practices across the stack, including feature flag usage.

- Troubleshoot, debug, and refactor existing backend systems; optimize performance and reliability.

- Contribute to architectural decisions and help shape development and deployment standards.

- Collaborate in a cross-functional team with project/product managers, QA, designers, and other developers.

- Actively participate in Agile ceremonies and drive enhancements to team ways of working.

Requirements

- 3+ years professional experience in software development (solid backend focus, practical experience in frontend development).

- Strong proficiency in Node.js, TypeScript, Express, REST API design.

- Production experience with AWS cloud services and cloud infrastructure management.

- Good understanding and practice of CI/CD workflows (GitHub Actions), infrastructure as code / deployment automation.

- Experience with containerization (Docker) and managing container-based services.

- Solid SQL skills: database design, migrations, performance tuning; experience with ORMs (Prisma, Drizzle) is a plus.

- Comfortable working with message-brokers and real-time / background systems (Redis, RabbitMQ, WebSockets).

- Familiarity with Git workflows, unit/integration testing, API documentation (Postman, OpenAPI), and code reviews.

- Good knowledge of frontend development and experience using React + TypeScript, including state management (Redux) and UI integration (Figma).

- Good working knowledge of common frontend tools (Vite, UI libraries such as MUI or Tailwind).

- Comfortable with agile & waterfall workflows and collaboration via Jira.

- Excellent written and verbal communication, responsibility, proactiveness, and strong self-organization.

English proficiency: intermediate or above.

Technical Skills

- Backend: TypeScript, Node.js, Express, REST APIs

- Databases: PostgreSQL, ORMs (Prisma, Drizzle)

- Cloud Infrastructure: AWS (Elastic Beanstalk, EC2, S3, SNS, SES, Lambda, ELB, EventBridge, etc.)

- DevOps: Docker, containerization, CI/CD pipelines (GitHub Actions, AWS CodePipeline, etc.), monitoring, bbservability & alerting tools (Bugsnag, DataDog, Dynatrace or equivalent)

- Messaging & real-time: Redis, RabbitMQ, WebSockets

- Frontend: TypeScript, React, Redux, UI libraries (MUI, Tailwind), Vite

- Feature Flags: Flagmsmith, LaunchDarkly or equivalent

- Tools: Jira, Slack, Git, API documentation tools (Postman/OpenAPI), testing frameworks

Will Be a Plus

- Bachelor’s degree in Computer Science, Engineering or related field

- Commercial experience of Python development (Flask, Django, FastAPI)

- AWS certifications

We’re looking for a Business Analyst who loves making complex logic simple and clear. If you enjoy figuring out how systems work and turning that into requirements the team can trust - this role is for you🚀
 

💪 YOUR QUEST-LINE:

• Collect and clarify business requirements, ensuring full understanding before they move into development;
• Translate business needs into clear functional & non-functional specs (flows, detailed logic, use cases, acceptance criteria);
• Create readable flow diagrams and process maps (UML, flowcharts, etc.) for end-to-end scenarios;
• Analyze how services/modules interact with each other and with the core platform, document intended behavior and contracts;
• Analyze API documentation of third-party services and define integration requirements;
• Identify dependencies, integration points, and potential risks early in the process;
• Work closely with Product/Project Managers and Developers, and with Payments, Anti-Fraud, Support, and Analytics teams to align on requirements and expected behavior;
• Maintain clear, structured documentation in Confluence and keep it updated throughout the feature lifecycle;
• Support the development team during implementation - answer questions, clarify logic, refine details;
• Validate implemented features to ensure they match requirements and system logic;
• Support backlog management and planning process;
• Contribute to improving requirement quality, communication flow, and documentation standards across the team.

👨‍🚀 YOUR IN-GAME SKIN:
 

• 3+ years as a Business Analyst, System Analyst, or similar hybrid role in product-based companies or high-load environments;
• Ability to write clear, structured business requirements and turn them into detailed technical documentation;
• Skilled in describing end-to-end logic: flows, conditions, integrations, dependencies, state and data changes;
• Hands-on experience with REST APIs: reading endpoints, understanding payloads, identifying gaps;
• Experience creating functional & technical specs: user stories, acceptance criteria, diagrams, system flows, non-functional requirements;
• Ability to model processes using UML or simple, readable flow diagrams;
• Understanding of SDLC and how features move through the product lifecycle;
• Strong analytical mindset - able to see the real logic behind features and keep it consistent;
• Excellent communication and collaboration skills - able to speak both “business” and “technical”;
• Comfortable working in a dynamic environment and handling multiple tasks;
• At least Upper-Intermediate level of English.

🧜‍♀️ WILL BE YOUR BOOST:

• Familiarity with the Steam trade system, skins market, or gaming experience (CS2, Dota2, Rust);
• Domain experience in high-load E-commerce, Fintech, or iGaming projects;
• Awareness of feature flags, staged rollouts, and rollback considerations from the requirements side.

🥷 YOUR POWER-UPS SOURCE:

• Spontaneous weekend from the CEO;
• Support for professional development, including events (we went on a MAJOR trip to Copenhagen, for example), certifications, and educational materials;
• Start working at a time that’s comfortable for you;
• People Partner who will always support you in word and deed;
• Anniversary and performance bonuses;
• Input on project direction in a bureaucracy-free environment;
• Regular performance reviews and personal feedback sessions;
• 20 paid vacation days and 7 sick leave days;
• Assisting with the accounting and tax management for individual entrepreneurs;
• English language and Well-being benefit — so that you can improve your mental health the way you want;
• No time tracking;
• We purchase CHARGING STATIONS for our spacers;
• We help Ukraine: every month the company supports AFU and transfers donations for ammunition and supplies.

If you read everything carefully and exclaimed, then we are already looking forward to your resume and portfolio! 
Send them as soon as possible! 🚀

We are seeking an experienced Embedded Linux Software Engineer to join our engineering team.
 The ideal candidate has a strong background in Linux-based embedded systems, solid understanding of kernel-level components, and hands-on experience working with modern SoCs and board bring-up.

You will work across the full embedded software stack, including kernel configuration, device trees, driver-level development, and system integration on platforms such as AMD ZynQ MPSoCs, NVIDIA Tegra, or similar architectures.
 This role requires close collaboration with hardware, firmware, and platform teams to ensure stable, performant, and maintainable system behavior.

Technical Requirements

• Strong knowledge of embedded Linux-based systems.
• Experience working with Yocto Linux (custom builds, layers, recipes).
• Strong hands-on experience with Linux kernel configuration (device trees, kernel config, patches).
• Good familiarity with Linux kernel device drivers, especially ALSA audio.
• Experience with PCIe bus programming.
• Knowledge of AMD ZynQ MPSoCs, Petalinux, and NVIDIA Tegra SoCs is a significant plus.
• Knowledge or experience with embedded Android is a strong plus.

Responsibilities

• Develop, configure, and maintain embedded Linux-based systems.
• Configure and modify Linux kernel components, including device trees and subsystem configurations.
• Work with kernel drivers, especially ALSA, ensuring compatibility and performance across hardware platforms.
• Implement and troubleshoot PCIe communication between system components.
• Support board bring-up and system integration on platforms such as ZynQ MPSoCs and NVIDIA Tegra.
• Collaborate with hardware, firmware, and Android teams to ensure seamless platform behavior.
• Debug system-level issues related to kernel, bootloaders, or hardware interfaces.

Project Description:

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
Work supposes close cooperation with Customer team located in Houston and following Agile principles.
Our team is senior, supportive and friendly.

Responsibilities:

• Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software solutions.
• Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization
• Present architectural designs and technical proposals to the architecture review board.
• Ability to break down development tasks and lay out clear implementation roadmaps.
• Implement and optimize computation algorithms
• Design and develop both thin and thick client applications that interact with cloud-based microservices.
• Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools
• Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.
• Mentor junior developers and actively contribute to architectural and
implementation decisions.
• Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint
• Stay current with emerging technologies and trends in geophysical computing and software development.

Mandatory Skills Description:

At least 5-10 years of experience
GIS Java Eclipse
ESRI ArcGIS Runtime
ESRI Services and Authentication

Nice-to-Have Skills Description:

DSG experience
Oil and Gas experience is preferred but not mandatory

Languages:

English: B2 Upper Intermediate

We are a Duck Agency focused on building automation systems for businesses using Airtable, Make, Monday.com, n8n, and Bubble.io.

We help companies streamline operations, automate workflows, and build lightweight internal tools.

We are looking for a Technical Project & Client Coordinator who will work directly with clients, collect requirements, clarify use cases, and translate them into clear tasks for our developers.

This role is client-facing and logical, not a development role – but you must understand processes, structure, and how systems connect.

Responsibilities
 

• Communicate with clients during calls (English)
• Lead requirement discovery: gather details, clarify processes, define use cases
• Translate business needs into structured tasks for developers (UA or RU language)
• Analyze client workflows and identify missing logic or inconsistencies
• Review implemented work, test functionality, validate that requirements are met
• Coordinate project progress and ensure smooth communication between client and development team
• Maintain documentation, process notes, and updates

Requirements

• Fluent English for client communication
• Practical experience communicating with clients and gathering requirements
• Strong logical thinking and ability to understand workflows/processes
• Attention to detail and ability to test systems
• Comfortable translating client ideas into clear, structured tasks
• Open to learning new tools (Airtable, Make, Monday, n8n, Bubble.io)

Nice to Have

(Not required, but a strong advantage)

• Experience with any no-code or automation tools
• Experience documenting processes or writing user instructions
• Understanding of basic system logic (triggers, data flow, dependencies)

What We Offer

• Work with modern automation tools used worldwide
• Training on our internal standards and tools (Airtable, Make, n8n, Bubble.io)
• Flexible and friendly environment
• Opportunity to grow into a more senior coordination or technical role                  

We are a global product company operating in the iGaming sector, with a strong presence across the world. We are looking for a responsible and well-organized  Head of Brand to streamline our team’s digital workspace and ensure smooth daily operations.

 Key skills:

• Experience in the iGaming industry from 2+ years in the position of Head of Brand /Lead
• Proven experience in auditing brand positioning and developing brand roadmaps based on market and competitor analysis
• Strong expertise in building and executing brand and PR strategies across international markets
• Experience in managing reputation and handling sensitive public communications
• Track record of launching partnership, sponsorship campaigns across multiple regions
• Familiarity with iGaming industry specifics, including key events and influencer trends
• Hands-on experience in organizing and participating in iGaming conferences and offline brand activities
• Strong leadership skills: team hiring, development, and performance management
• Excellent cross-functional collaboration skills 
• Advanced English (Upper-Intermediate or higher), both written and spoken

Key responsibilities:

• Conduct a brand audit and develop a 6-month roadmap based on market analysis and business goals.
• Develop and implement a brand marketing strategy across two directions: B2B (partner program) and B2C (two brands: sports and casino), including goal setting, budgeting, and tactics for international markets.
• Maintain up-to-date knowledge of industry trends affecting clients.
  Manage sensitive issues to preserve and enhance the company’s reputation.
• Regularly evaluate opportunities for partnerships, sponsorships, and advertising.
• Organize key iGaming conferences for the company.
• Participate in iGaming conferences.
• Prepare guidelines, manuals, and conduct workshops for affiliates working with target information resources.
• Manage the Brand Team (PR, SMM, Event), including hiring, development, training, and task distribution, ensuring the delivery of high-quality work.

• Collaborate with other departments and specialists

   

Benefits:

• Flexible Working Environment: Work from a modern Kyiv office or remotely from any location. 
• Annual Loyalty Bonus: Receive a yearly bonus every February as recognition of your dedication. 
• Professional Growth: Attend global exhibitions and conferences, and improve your skills with company-sponsored English courses. 
• Performance Reviews: Regular feedback sessions to track progress and discuss career development. 
• Team Spirit: Participate in teambuilding activities and company-wide celebrations. 
• Personal Milestones: We celebrate your important life events, from birthdays to professional achievements.

Join us for an innovative journey where your expertise shapes our brand's success. In a collaborative setting with growth opportunities, you'll lead the iGaming evolution. Ready to shape the future? Apply now!

Own your future

‍Our culture isn’t something people join, it’s something they build and shape. We believe that every person deserves to be heard and empowered. If you’re on the fence about whether you’re a fit, we say go for it. Let’s build something great together.

Must-Haves

• Strong experience with JavaScript and TypeScript
• Experience in building web applications with React.js framework
• Strong background in frontend architecture for large-scale SaaS platforms using micro-frontends (SPA, Module Federation, Design System)
• Deep understanding of UI performance optimization: lazy loading, code splitting, bundle strategy
• Strong knowledge of state management (MobX, Zustand, Redux Toolkit, React Query)
• Experience with REST, GraphQL, and real-time data (WebSockets/SSE)
• Strong understanding of frontend testing strategies (Jest, React Testing Library, Cypress)

Nice to have

• Experience designing component libraries, design systems, theming strategies
• Accessibility knowledge (WCAG 2.1, ARIA, semantic HTML)
• Building Internationalization (i18n/l10n) at scale
• Experience working with design tokens, Storybook, Radix/Headless UI
• Hands-on experience with monorepo tooling (Nx, Turborepo)
• CI/CD for frontend applications, Docker/Kubernetes, cloud deployments
• Experience with observability tools (Sentry, Datadog, LogRocket)
• Building for multi-tenant SaaS environments

Key responsibilities

Frontend Architecture & Engineering

• Design and evolve a modern React-based architecture for a large multi-tenant SaaS platform
• Establish principles for modular, reusable, accessible UI components
• Architect and maintain internal component libraries and design systems
• Drive performance improvements: bundle size, render strategy, caching, SSR/CSR decisions

• Define best practices and architecture guidelines for all frontend teams

   

Cloud-Native & Platform Integration

• Build UI systems optimized for distributed cloud environments
• Collaborate with DevOps to integrate CI/CD pipelines, deployment strategies, and monitoring
• Work closely with backend teams to ensure clean contracts and scalable front-to-back flows

• Apply 12-Factor principles when designing frontends for cloud-native systems

   

Leadership & Cross-Functional Collaboration

• Provide technical leadership and mentoring to frontend engineers across squads
• Lead architectural reviews and guide teams through high-impact technical decisions
• Work with Product & UX to ensure cohesive user experience patterns across the platform

• Communicate architectural decisions to technical and non-technical stakeholders

   

Governance, Security & Quality

• Ensure adherence to WCAG 2.1 accessibility standards
• Establish automated testing strategy and quality gates
• Collaborate with Security teams to ensure secure-by-design frontends aligned with SaaS compliance (OWASP, SSO, GDPR, audit logging)
• Drive consistency through documentation, RFCs, and architectural blueprints

We are looking for a B2B Marketing Manager who will drive consistent brand presence across digital and offline channels. Backed by a strong B2C legacy and technically advanced products (platform modules, payments, CRM, risk management, etc.), your mission is to enhance brand awareness, support business development, and strengthen lead generation through coordinated marketing, event, and media initiatives.

You will own and execute the B2B marketing strategy — covering online and offline brand activities, paid advertising (Google Ads, LinkedIn Ads), and email marketing (newsletters, automations, single sends).

Key Responsibilities

• Event Marketing: Plan and execute offline brand activities at industry events with internal teams and contractors. Oversee stand creation, staffing, media support, and distribution of merchandise and printed materials.
• Creative Production: Collaborate with content and design teams to produce banners, videos, and other visual materials as needed.
• Campaign Management: Launch, optimize, and analyze B2B campaigns (always-on and on-demand).
• Email Marketing: Set up automations, newsletters, and one-off campaigns. Create and maintain email templates and communication flows.
• Paid Advertising & Media Buying:: Manage, optimize, and analyze paid campaigns across Google Ads, LinkedIn Ads, and display/video networks.
• Website Management: Develop and optimize landing pages, forms, pop-ups, and banners to improve conversion and lead acquisition.
• Content Support: Provide briefs and technical assignments for the creation of sales and marketing content (blog posts, case studies, product pages).
• Reporting: Collect, aggregate, and analyze marketing data. Track KPIs and prepare performance reports.

Requirements

• 3+ years of experience in B2B marketing, preferably in iGaming, SaaS, or Fintech.
• Strong understanding of Inbound vs. Outbound marketing and the B2B sales funnel.
• Proven ability to launch, optimize, and analyze marketing campaigns from scratch.
• Hands-on experience with Google Ads, LinkedIn Ads, X Ads, and Meta Ads.
• Experience operating ESPs such as SendGrid, Mailchimp, Lemlist, etc.
• Analytical mindset with experience in Google Analytics 4, Google Tag Manager,  Power BI, Tableau, Looker Studio, or similar.
• Ability to brief and manage content creation for decks, one-pagers, brochures, case studies, and gated content.
• Experience managing website and landing page production, including collaboration with design and dev teams.
• Hands-on experience with WordPress CMS.
• Ability to work in cross-functional teams and multiple stakeholders.
• English level: Upper-Intermediate or higher.

Nice to Have

• Experience in event marketing, including exhibitions, stand management, and on-site operations.
• Familiarity with iGaming industry trends and major events.
• Experience producing webinars, podcasts, or interviews.
• Media buying experience and understanding of display advertising on external platforms.
• CRM management experience.

We are looking for a Team Lead [Flutter] to join our team!  

Requirements: 
- Extensive experience with Flutter framework and proven ability to deliver complex, scalable, production-grade mobile applications.
- Expert-level knowledge of Dart, state management approaches (Bloc, Provider, Riverpod, or similar), and mobile architectural patterns.
- Experience leading development in monorepo environments, including managing module interdependencies and coordinating cross-team contributions.
- Strong expertise in implementing and optimizing advanced Flutter animations, transitions, and custom motion design.
- Proven experience with performance optimization: rendering performance, memory efficiency, build size improvements, and network interaction optimization.
- Deep understanding and practical application of modular architecture or clean architecture principles in large-scale commercial projects.
- Experience with analytics tools, push notifications, and in-app purchase integrations.
- Advanced knowledge and hands-on application of SOLID principles and GRASP patterns in system design and codebase structuring.
- Understanding of application lifecycle, networking, CI/CD processes, version control best practices, environment configuration, and mobile debugging tools.
- 5+ years of relevant experience in mobile development, including prior experience in a senior or lead role. 

Responsibilities: 
- Lead mobile application development by defining technical direction, ensuring architectural consistency, and guiding the implementation of high-quality Flutter solutions.
- Develop and maintain complex features by applying advanced architectural principles, reusable component design, and performance-focused engineering practices.
- Oversee the monorepository structure by defining module boundaries, managing shared libraries, and ensuring transparent development workflows across the team.
- Optimize application performance by conducting in-depth profiling, identifying rendering bottlenecks, improving memory usage, and ensuring a smooth user experience across devices.
- Drive the creation and refinement of complex animations by evaluating motion design requirements, supervising implementation quality, and ensuring high rendering performance.
- Collaborate with Product, QA, Backend, and Design teams by participating in planning activities, clarifying requirements, and ensuring effective integration of technical solutions.
- Conduct code reviews by setting quality standards, ensuring adherence to architectural guidelines, and supporting continuous improvement in development practices.
- Mentor and support developers by providing technical guidance, enabling professional growth, and improving the overall performance of the mobile engineering team.
- Report directly to the Team Lead / Engineering Manager and contribute to strategic planning in the mobile development domain. 

Our benefits to you:
☘️An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided
🏖Paid vacations, sick leave, personal events days, days off
💵Referral program — enjoy cooperation with your colleagues and get the bonus
📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
🎯Rewards program for mentoring and coaching colleagues
🗣Free internal English courses
✈️In-house Travel Service 
🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
🎳Other benefits could be added based on your location 

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.

Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.

Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.

Work supposes close cooperation with Customer team located in Houston and following Agile principles.

Our team is senior, supportive and friendly.

Responsibilities:

• Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software solutions.

• Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization

• Present architectural designs and technical proposals to the architecture review board.

• Ability to break down development tasks and lay out clear implementation roadmaps.

• Implement and optimize computation algorithms

• Design and develop both thin and thick client applications that interact with cloud-based microservices.

• Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools

• Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.

• Mentor junior developers and actively contribute to architectural and

implementation decisions.

• Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint

• Stay current with emerging technologies and trends in geophysical computing and software development.

Mandatory Skills Description:

• At least 5-10 years of experience
• GIS Java Eclipse
• ESRI ArcGIS Runtime
• ESRI Services and Authentication

Nice-to-Have Skills Description:

DSG experience

Oil and Gas experience is preferred but not mandatory

Languages:

English: B2 Upper Intermediate

For the last 9 years we’re building AI-powered tools that understand, discover, and recommend scientific papers and experts. Our platform helps businesses and academic institutions stay at the cutting edge of progress. We work with Europe’s largest grant agencies, top-10 scientific publishers and universities.

You will take part in actual product development and implement product features from vision and research to production.

Core Challenges You’ll Solve:

• Architect topic modelling and document clustering pipeline
• Train and optimize embeddings models for various information retrieval tasks
• Improve our author disambiguation system
• And a lot of other stuff: deduplication, entity matching, structured data extraction from documents, resources allocation, etc.

This is not an LLM-integration job! Our tasks require software and data science engineering.

Required background:

• Strong engineering skills in Python, SQL
• Extensive experience in applying data science to product development
• Experience with classic Machine Learning, and Deep Learning in NLP

Nice to have:

• Experience with embedding models (bi-encoders, cross-encoders, etc).
• Understanding of information retrieval systems
• Experience with text clustering and topic modelling
• Experience with 100+ GB datasets
• Background in math, statistics, probability and information theory

Technical stack: Python, PostgreSQL, Airflow, Vespa search engine. Dedicated servers.

No bureaucracy: technical team is less than 10 people. Bonus points for non-LLM cover letter.

Join us in making scientific knowledge more discoverable and connected! We’re tackling fascinating technical challenges that directly impact global research.

About company

MindConnect has been developing modern telecom and CRM systems since 2015. Our in-house CRM — deeply integrated with FreeSWITCH, PHP backend services, and real-time call-center operations — supports the daily work of dozens of businesses across Israel.
Because our platform is mission-critical for our clients, reliability, stability, and predictability are at the core of everything we do.

We are now opening a dedicated QA position to ensure high product quality and stable releases as our CRM continues to grow.
This is not a simple checkbox-testing role — you will be a key part of the release process, ensuring every feature is validated and production-ready before going live.

Your Responsibilities

• Test new CRM features, including UI components, backend API logic, and database behavior.
• Validate integrations with telephony systems (SIP, FreeSWITCH events, call routing, call logs).
• Build and maintain structured test cases for core CRM modules (leads, tasks, dialer logic, API rules, permissions, etc.).
• Reproduce and investigate bugs reported by support or clients, documenting clear, developer-ready steps.
• Perform regression testing before each release to ensure system stability.
• Verify complex business logic such as dialing flows, assignment rules, meetings, automations, and status transitions.
• Collaborate closely with developers, product managers, and the CTO to ensure clean, stable releases.
• Continuously improve testing coverage, with the option to grow into automation over time.
• Maintain QA documentation, testing checklists, and structured reports.
   

You’re an Ideal Candidate If You Are

• Have experience in manual QA or another testing/quality role.
• Understand how web applications work and can follow multi-step flows.
• Document issues clearly (steps, expected vs actual results, screenshots, logs).
• Are familiar with Jira and other QA tools.
• Aren’t intimidated by technical details (API responses, browser console, basic SQL).
• Work in a structured way and think through edge cases.
• Have intermediate English for documentation and team communication.
   

Nice to Have

• Experience testing CRM or SaaS systems.
• Familiarity with call centers, VoIP/SIP, or telecom logic.
• Basic understanding of PHP, MySQL, or JavaScript.
• Experience with Postman, Swagger, SQL clients.
• Interest in automation and improving QA processes.
• Experience working with Israeli teams (Hebrew is a plus but not required).
   

What You Get (In addition to your salary, of course!)

• Direct impact on product stability — your work affects real production systems used daily.
• Opportunity to shape QA processes from the ground up (test plans, standards, automation direction).
• Close collaboration with developers, the CTO, and team leads — minimal bureaucracy, fast feedback loops.
  
   

Are you someone who loves breaking things on purpose and then showing exactly how to fix them? Join us and help shape a more reliable CRM for thousands of users.

Our mission at Geniusee is to help businesses thrive through tech partnership and strengthen the engineering community by sharing knowledge and creating opportunities🌿
We care about Trust, Partnership, Transparency, and Responsibility. We offer a safe, inclusive and productive environment for all team members, and we’re always open to feedback💜 If you want to work from home or work in the offices in Kyiv, Lviv or Warsaw with stable electricity and Wi-Fi , great — apply right now!

Description:
 

We are looking for a skilled and detail-oriented Tech Lead Node.js Engineer to join our team and contribute to the success of our projects in the FinTech, EdTech, and AgroTech domains.

Requirements:

●6+ years of experience in Software Engineering, with a strong background in backend architecture.
●Expert proficiency in Node.js & TypeScript, specifically with NestJS framework for building scalable, modular applications.
●Fintech Domain Knowledge: Strong understanding of payment gateways, transaction lifecycles, idempotency, and PCI DSS compliance requirements.
●Security First: Expertise in implementing OWASP best practices, encryption standards, and secure API design.
●English: Upper-Intermediate+ (Strong verbal communication is a must for direct client syncs).
●Architectural Vision: Proven track record of designing complex, distributed systems from scratch (Microservices or Modular Monolith, Event-driven architecture).
●Polyglot Mindset (Golang): The platform includes a critical routing engine built in Golang. You must be comfortable architecting/integrating Go services (previous commercial experience with Go is highly preferred).
●Deep understanding of AWS ecosystem (Aurora RDS, Serverless/Lambda, Cognito, SQS/SNS). You should be able to set up the infrastructure, not just use it.
●Experience with containerization (Docker, Kubernetes) and setting up CI/CD pipelines (GitLab/GitHub Actions).
 

Responsibilities:

●Architect & Lead: Design the technical roadmap and architecture of the platform, making key decisions on technology stack, database schema, and service communication.
●Write high-quality code for the most critical components of the system (core logic, routing engine, security modules).
●Technical Leadership: Coordinate a team of 2 Senior Backend Developers. Conduct code reviews, ensure code quality, and resolve architectural blockers. No hand-holding, just professional alignment.
●Security & Reliability: Ensure the system is secure by design (handling sensitive financial data) and highly available (robust error handling for payment flows).
●Infrastructure & Process: Establish best coding practices, set up the CI/CD processes, and ensure smooth deployment to AWS.
●Stakeholder Communication: Act as the main technical point of contact for the client, translating business requirements into technical solutions.

Nice to have:

●Previous experience launching a Fintech startup MVP.
●Experience with high-load systems and payment orchestration specifically.
●Terraform / IaC experience.

Nice to have:
●Golang experience — a big plus

What will you get:
● Competitive salary and good compensation package;
● Exciting, challenging and stable startup projects with a modern stack;
● Corporate English course;
● Ability to practice English and communication skills through permanent interaction with clients from all over the world;
● Professional study compensation, online courses and certifications;
● Career development opportunity, semi-annual and annual salary review process;
● Necessary equipment to perform work tasks;
● VIP medical insurance or sports coverage;
● Informal and friendly atmosphere;
● The ability to focus on your work: a lack of bureaucracy and micromanagement;
● Flexible working hours (start your day between 8:00 and 11:30);
● Team buildings, corporate events;
● Paid vacation (18 working days) and sick leaves;
● Cozy offices in 2 cities ( Kyiv & Lviv ) with electricity and Wi-Fi ( Generator & Starlink);
● Compensation for coworking (except for employees from Kyiv and Lviv);
● Corporate lunch + soft skills clubs;
● Unlimited work from home from anywhere in the world (remote);
● Geniusee has its own charity fund.

Location: Ukraine, Poland
Duration: one-year contract with possible prolongation

Project: advertising platform powered by real-time mobile audiences.

Role Overview:
We are looking for a proactive individual who shows initiative and has a strong
sense of responsibility and ownership.
In this position, you will help expand our product portfolio as a member of an experienced development team, contributing to the company's growth. Our technology stack includes Angular, Node.js, and MongoDB.

Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a
related field
- 3+ years of professional Web development experience
- Strong knowledge and hands-on experience with Angular & Node.js
- Proficiency with front-end web technologies (HTML5, ES6+, CSS3)
- Thorough knowledge of both relational databases and NoSQL data stores
- Knowledge of source control tools and experience with continuous
integration and deployment (CI/CD) practices
- Experience with templating engines (EJS – advantage)
- Ability to write clean, modular, well-architected code
- Excellent communication skills, teamwork, and a proactive attitude
- Demonstrates initiative in self-guided learning and consistently takes
ownership to complete tasks responsibly

Advantage
- Knowledge in the programmatic advertising landscape – DSPs, SSPs,
exchanges – significant advantage.
- Cloud infrastructure experience
- Skilled in working with Kubernetes (K8S) and container technologies

NuxGame, a leading B2B iGaming company, is looking for a motivated Linkbuilder / Outreach Specialist to join our growing team. If you have a passion for SEO and a knack for optimizing content, we'd love to hear from you!

What we're looking for:

• Half a year of hands-on experience as a Linkbuilder, Outreach Specialist, or SEO.
• Proficiency in English (Intermediate level or above).
• Practical knowledge of SEO tools such as SemRush,Ahrefs etc.
• Proven experience in acquiring both Paid and Free backlinks (crowd, outreach, form submit).
• Ability to create clear and detailed technical specifications for copywriters.
• Experience with Google Sheets (formulas, conditional formatting) 
• Experience working with email services (Snovio, Mailfeller, GMass etc.) 

Nice to have:

• Prompt engineering 
• Experience with using scripts to automate prospect validation, deduplication, and reporting.
• Examples from an iGaming portfolio

Your responsibilities:

• Identifying and selecting high-quality platforms for link placements.
• Placing and managing backlinks, including various types from thematic or relevant platforms.
• Conducting competitor analysis to discover new link-building opportunities and strategies.
• Collaborating on content-related tasks, including competitor page analysis, preparing technical briefs for copywriters, and reviewing and overseeing the quality of written content.