Jobs at Djinni

9580
  • Β· 97 views Β· 7 applications Β· 16d

    Senior C# Engineer (Relocation to Madrid)

    Office Work Β· Spain Β· 5 years of experience Β· English - None
    We are looking for a Senior C# Engineer to join the FinTech team developing a remittance and payment services platform. The project focuses on building secure and compliant systems for international money transfers, partner integrations, and automation of...

    We are looking for a Senior C# Engineer to join the FinTech team developing a remittance and payment services platform. The project focuses on building secure and compliant systems for international money transfers, partner integrations, and automation of financial operations. We expect the new team member to be technically strong, proactive, and business-oriented, with proven experience in FinTech system development β€” ideally in areas such as core banking, remittance, or API-based financial integrations. You will work closely with business and operations teams to ensure efficient, accurate, and transparent financial workflows.

     

    Details

    Location: EU (The first 3 months you will remotely, after - relocate to Madrid, with onsite client support)
    Employment Type: Full-time onsite in the office
    Start Date: ASAP
    Language Requirements: English - Fluent, Spanish - as plus

     

    Project Description

    A licensed remittance and payment services provider focused on delivering fast, secure, and compliant international transfers.
    The company operates within the FinTech domain, serving global remittance corridors and integrating with multiple partners and financial institutions through API-based connectivity.

     

    Requirements:

    • 5+ years of commercial experience in backend development using C# / .NET
    • Proven experience in FinTech systems β€” core banking, remittance platforms, payment processing - MUST
    • Strong understanding of money movement, reconciliation, and transaction workflows
    • Hands-on experience with RESTful APIs, partner/banking integrations, and financial automation
    • Solid knowledge of SQL databases and experience with data consistency/reconciliation logic
    • Experience building and maintaining scalable backend services and API-based architectures
    • Understanding of security and compliance related to financial data exchange
    • Ability to define and document functional and technical requirements
    • Experience collaborating with business and operations teams to improve financial processes
    • Excellent communication skills and a proactive, problem-solving mindset
    • English B2+, Spanish - as plus

     

    Key Responsibilities:

    • Develop and maintain backend services in C#
    • Build integrations with partner and banking APIs
    • Automate internal operations and reconciliation processes
    • Contribute to functional and technical requirements definition
    • Collaborate closely with business and operations teams to optimize financial workflows
    More
  • Β· 310 views Β· 63 applications Β· 16d

    Product/Project Manager (AI Startup)

    Full Remote Β· Worldwide Β· 5 years of experience Β· English - C1
    Product & Project Manager (AI Startup) Location: Remote, PST Time Zone (6 AM - 2 PM PST) Minimum Qualifications (Experience & Background) 5+ years leading complex software or AI/ML projects end-to-end; cross-functional teams (β‰ˆ8+ people). Mastery of...

    Product & Project Manager (AI Startup) 

     

    Location: Remote, PST Time Zone (6 AM - 2 PM PST)

     

    Minimum Qualifications (Experience & Background)

    • 5+ years leading complex software or AI/ML projects end-to-end; cross-functional teams (β‰ˆ8+ people).
    • Mastery of Jira / Linear / Trello (workflows, automations, dashboards, SLAs).
    • Technical literacy: can parse specs and light code (Python / TypeScript), Git, APIs.
    • Familiar with cloud & CI/CD (AWS/GCP/Azure basics; GitHub/GitLab pipelines).
    • Strong communicator (exec updates, PRDs/RFCs, stakeholder alignment).
    • Formal grounding in Agile/Scrum/Kanban practices.
    • AI tooling (daily driver): Power-user of ChatGPT, Claude and Gemini for writing/specs, reviews, activity planning, etc.
       

    Core Responsibility Areas

    1) Product Strategy & Roadmap

    • Translate company vision into roadmap, quarterly and weekly OKRs, and clear outcomes.
    • Break initiatives into epics/stories with INVEST acceptance criteria.
    • Prioritize with data (RICE/WSJF/ROI); articulate trade-offs and β€œbuild vs. buy vs. partner.”

    2) Delivery & Agile Program Management

    • Own sprint cadence: planning, stand-ups, demos, retros; drive continuous improvement.
    • Maintain single, accurate plans of record; track velocity, capacity, burndown, throughput.
    • Proactively manage dependencies, scope, and risks; unblock teams fast.
    • In Jira/Linear/Trello: create and own the entire backlogβ€”epics/stories/tasks with effort estimates, crisp descriptions, and acceptance criteriaβ€”link PRDs/specs to tickets, and keep workflows/dashboards up to date.

    3) Cross-Functional Leadership

    • Orchestrate engineering, research/ML, data, design, QA, and GTM to land releases on time.
    • Facilitate design reviews, architecture checkpoints, QA sign-offs.
    • Coach teams on agile hygiene, crisp writing, and decision quality.

    4) Data, Metrics & Experimentation

    • Define success metrics (adoption, retention, revenue/efficiency impact).
    • Plan and analyze A/B tests; maintain guardrail metrics.
    • Build delivery & impact dashboards for ICs and execs.

    5) AI/ML & Data Lifecycle

    • Partner on model KPIs (precision/recall, latency, drift, cost).
    • Oversee dataset curation & labeling/annotation quality gates.
    • Manage training/inference pipelines, versioning, lineage, governance.
    • Implement/model lifecycle with MLflow / W&B / Kubeflow / SageMaker (or equivalents).

    6) Quality, Testing & Release Management

    • Define SDLC: DoR/DoD, code review standards, QA entry/exit.
    • Own releases: branching, tagging, UAT, staged rollouts, rollback plans.
    • Establish QA strategy (manual + automated); maintain traceability to stories.

    7) Process, Tooling & Documentation

    • Evolve workflows; select & integrate tools (feature flags, analytics, error tracking).
    • Keep a source of truth (Notion/Confluence): PRDs, specs, RFCs, runbooks, onboarding.
    • Drive down doc/bug/tech debt with scheduled capacity.

    8) Security, Privacy & Compliance

    • Embed security & privacy by default; coordinate SOC 2 / ISO 27001 / GDPR/CCPA tasks.
    • Define SLOs, error budgets, and observability (alerts, logs, traces).

    9) Customer, Pilot & GTM Alignment

    • Convert customer input into prioritized backlog; close the feedback loop.
    • Lead enterprise pilots: scope, timeline, success criteria, reporting.
    • Enable GTM: provide playbooks, demos, FAQs; manage breaking-change comms.

    10) Operations, Vendors & Budget

    • Plan capacity/budgets across people, compute, storage, LLm models, APIs, and other vendors.
    • Own SOWs, renewals, SLAs; compare pricing and manage relationships.
    • Coordinate edge/IoT/camera deployments; handle field rollbacks & hotfixes.

    11) Risk, Reliability & Incident Management

    • Maintain a risk register; pre-plan mitigations and contingencies.
    • Run incident triage/escalations and blameless post-mortems with follow-through.
    • Own customer-facing status and delivery health signals.

    12) Communication & Executive Reporting

    • Write clear decision memos and executive summaries.
    • Present status, risks, and asks with sharp narrative & visuals.
    • Standardize intake and prioritization cadences (roadmap reviews, beta cohorts, NPS/CSAT).

     

    Skills & Tools

    Product & Agile

    • Roadmapping (Jira Advanced Roadmaps, Linear Roadmaps), story mapping, user journeys.
    • Prioritization frameworks: RICE, WSJF, Cost of Delay, MoSCoW.

    Documentation & Comms

    • Notion / Confluence, PRDs, RFCs, sequence diagrams, RACI, comms plans, release notes.

    Analytics & Experimentation

    • Amplitude / Mixpanel, Looker/Metabase; funnels, cohorts, retention, LTV/CAC.
    • Experiment design, basic power analysis, guardrail metrics.

    APIs & Data

    • OpenAPI/Swagger, REST/GraphQL conventions; Postman/Insomnia.
    • Data contracts, schema evolution, Miro, event tracking.

    ML/MLOps & CV Literacy

    • MLflow, W&B, Kubeflow, SageMaker, feature stores.
    • Evaluation & monitoring (drift, bias, cost); CV concepts (detection/segmentation, OCR).

    Cloud & DevOps

    • AWS/GCP/Azure basics; containers; CI/CD with GitHub/GitLab; feature flags.

    Observability & Reliability

    • Datadog / Prometheus / Grafana / Sentry; logs/metrics/traces; SLOs/error budgets.

    Quality Engineering

    • Test strategy, automation plans, UAT orchestration, traceability matrices.

    Design Collaboration

    • Figma, component libraries, design tokens, accessibility fundamentals.

    Finance & Vendor

    • Unit economics for AI (training vs. inference), budget tracking, SOWs/SLAs, negotiation support.

    Change & Release

    • Phased rollouts, canaries, migrations, versioning, deprecation policies.

    Field Ops (if relevant)

    • Site checklists, RMA loops, hardware pilot coordination.

    Technical Fluency

    • SQL for analysis; basic Python/TypeScript for scripts and reading code.

    People & Org

    • Capacity planning, hiring rubrics, onboarding playbooks, mentoring ICs.

    Aptitudes & Behaviors Mindset

    • Owner mentality and customer obsession; outcomes over output.
    • Systems thinking; optimizes end-to-end flows, not local maxima.
    • High judgment balancing speed vs. safety; knows when to prototype vs. harden.

    Execution

    • Ruthless prioritization; says β€œno” well with data.
    • Calm under pressure; separates urgent from important; steady in incidents.
    • Follow-through; closes loops and ships value predictably.

    Communication & Leadership

    • Clarity machine: crisp writing and concise narratives for any audience.
    • Collaborative challenger: invites dissent, resolves conflict quickly, commits once decided.
    • Teaching mindset: levels up teammates; leaves processes better than found.

    Quality & Ethics

    • High bar for UX polish and maintainability.
    • Metrics-driven learning; embraces experiments and retros.
    • Ethical compass: considers fairness, privacy, and potential misuse up front.

       

    Availability & Work Cadence

    • Schedule: PST Time Zone (6 AM - 14 PM PST)
    • Responsiveness: 24/7 availability for critical issues (incidents, customer escalations, major launches).
    • On-call: Participate in an always-on rotation; triage P0s quickly and drive to resolution.
    • Time zones: Maintain US Time Zone.
    • Weekends/holidays: Expected support during releases or urgent customer needs; plan recovery time accordingly.
    • Comms: Fast responses on Slack/Email/Whatsapp; keep status pages and stakeholders updated in real time.
    • Hygiene: Calendar visibility, clear focus blocks, reachable by phone for P0 emergencies.
    • Work with Time Tracker
    More
  • Β· 201 views Β· 32 applications Β· 16d

    DevOps Engineer (Strong Middle/Senior)

    Full Remote Β· Worldwide Β· 4 years of experience Β· English - B1
    Hi We are looking for a skilled Strong Middle DevOps Engineer with solid multi-cloud experience AWS/DO/GCP to help us build and maintain a reliable, scalable, and secure infrastructure for high-load products with high requirements for stability,...

    Hi πŸ™Œ

     

    We are looking for a skilled Strong Middle DevOps Engineer with solid multi-cloud experience AWS/DO/GCP to help us build and maintain a reliable, scalable, and secure infrastructure for high-load products with high requirements for stability, performance, and security.

     

    πŸ›  How You’ll Contribute:

    • Infrastructure Management: Support and refactoring of existing infrastructure.
    • Security First: Network security configuration (Firewalls, SSL/TLS, VPN) and application protection (Application Security/OWASP).
    • Automation (IaC): Transition from manual configuration (UI) to Infrastructure as Code (Terraform/CloudFormation) approach.
    • Cloud Architecture: Building reliable networks on AWS (VPC, IAM, RDS) and managing clusters in DigitalOcean (Kubernetes).
    • CI/CD: Configuration and optimization of pipelines (GitHub Actions/GitLab CI) for smooth deployment.
    • Performance: System monitoring and logging (Prometheus, ELK, DataDog), preparation for high load.

     

    🎯 What Makes You a Perfect Fit:

    • Experience: 4+ years in DevOps/Cloud Engineering (Strong Middle/Senior).
    • Multi-cloud expertise: Solid experience with AWS (VPC, Security Groups, IAM, RDS, S3) and DigitalOcean/GCP.
    • Network security: Experience in configuring Firewalls, SSL/TLS, DDoS protection, VPN.
    • Containerization: Expert-level Docker and confident Kubernetes management.
    • Application Security: Understanding of OWASP Top 10, vulnerability assessment, and secrets management.
    • IaC & Versioning: Proven experience with Terraform and versioning infrastructure as code.
    • Observability: Strong experience with Monitoring and Logging tools (Prometheus, ELK Stack, DataDog, etc.).
    • Disaster Recovery: Solid understanding of Backup and Disaster Recovery strategies in production environments.
    • Language: Intermediate+.

     

    πŸ‘ Nice-to-Haves:

    • Experience with Node.js/NestJS applications (understanding of deployment specifics and optimization for high loads).
    • Experience working in dynamic companies or startups, readiness for rapid change, and periodic on-call support.

       

    πŸš€ Hiring Process:

    The hiring process is clear and concise. It starts with a 30–40-minute intro call with a Talent Partner - an opportunity to learn more about the project, Umber, and the team, as well as to discuss the candidate’s experience. Next comes a technical interview (~1.5 hours), a deep dive with our tech leads into Infrastructure, Security, and Automation. We’ll discuss Multi-cloud strategies (AWS/DO/GCP), IaC (Terraform), and how you approach monitoring and scaling for systems.

     

    Your next challenge is waiting. Let’s connect, talk about the impact we can make, and see if we’re the right fit for each other!


     

     

     

    More
  • Β· 45 views Β· 10 applications Β· 16d

    Retention / Bonus Manager

    Full Remote Β· Worldwide Β· 2 years of experience Β· English - None
    Requirements 2+ years of experience in bonus management, CRM marketing, or player retention within the iGaming industry; Strong understanding of bonus mechanics, player segmentation, and retention metrics (FTD, ROI, LTV, ARPU); Proficient in Excel /...

    Requirements

    • 2+ years of experience in bonus management, CRM marketing, or player retention within the iGaming industry;
    • Strong understanding of bonus mechanics, player segmentation, and retention metrics (FTD, ROI, LTV, ARPU);
    • Proficient in Excel / Google Sheets; experience with CRM or BI systems (Optimove, Power BI, Tableau, etc.) is a plus;
    • Analytical mindset with the ability to interpret data and translate insights into actionable campaigns;
    • Excellent attention to detail and accuracy in managing bonus calculations and campaign logic;
    • Strong communication and collaboration skills to work effectively with marketing, CRM, analytics, and product teams;
    • Creative and proactive approach to problem-solving, with a focus on improving player engagement and profitability.

     

    Responsibilities

    • Develop and manage bonus and promotional campaigns aimed at increasing player engagement and retention;
    • Design and implement various bonus mechanics such as deposit bonuses, cashback, free spins, missions, and loyalty rewards;
    • Monitor and analyze campaign performance (activation, retention, ROI, LTV) and ensure profitability;
    • Collaborate with CRM, marketing, and analytics teams to launch and optimize player-focused offers;
    • Maintain and update the bonus catalog, rules, and reward logic in CRM and related systems;
    • Ensure accurate bonus calculations, issuance, and reporting across all player segments;
    • Research competitors’ promotions and identify opportunities for improvement or innovation;
    • Prepare documentation and technical specifications for new bonus mechanics and system integrations;
    • Participate in the development of retention strategy and contribute insights for player lifecycle management;
    • Support audits and compliance checks related to promotional activities and player rewards;
       
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  • Β· 93 views Β· 13 applications Β· 16d

    Test Automation Engineer (Python)

    Full Remote Β· EU Β· 5 years of experience Β· English - C1
    We are looking for a Test Automation Engineer to join a long-term data-focused project. The role is centered on validating complex data pipelines, ensuring data quality, and automating testing for cloud-based analytics solutions built on Databricks and...

    We are looking for a Test Automation Engineer to join a long-term data-focused project. The role is centered on validating complex data pipelines, ensuring data quality, and automating testing for cloud-based analytics solutions built on Databricks and Azure.

     

    Details

    Start Date: ASAP

    Duration: 12 months+

    Location: Fully remote

    Candidate Location: European Union

    Language: English

     

    Key Responsibilities

    Develop and maintain automated test scripts in Databricks using Python, PySpark, and SQL

    Validate JSON messages (AMQP) for structure, completeness, and accuracy

    Implement data quality checks including schema validation, range checks, and anomaly detection

    Validate end-to-end data flow from SCADA systems through AMQP into Databricks

    Verify data transformation logic and ensure compliance with business rules

    Store and document test results using Azure services (Data Lake, Blob Storage, Azure SQL)

    Create dashboards and reports using Grafana or Databricks notebooks

    Integrate automated tests into CI/CD pipelines using Azure DevOps

    Collaborate closely with Data Engineers, SCADA specialists, and Cloud teams

    Document test cases, testing procedures, and results

     

    Requirements (Must-Have)

    Strong hands-on experience with Databricks

    Advanced skills in Python, PySpark

    Proficiency in handling and validating JSON messages

    Solid knowledge of Azure services (Data Lake, Blob Storage, Functions)

    Proven experience with automated testing in cloud environments

    Familiarity with CI/CD pipelines, preferably Azure DevOps

     

    Nice to Have

    Understanding of SCADA systems and renewable energy data flows

    Experience working with AMQP protocols

    Knowledge of telemetry / SCADA industry standards (e.g., OPC)

    Experience with SQL

    More
  • Β· 231 views Β· 43 applications Β· 16d

    DevOps Engineer

    Part-time Β· Full Remote Β· Ukraine Β· 1 year of experience Β· English - B1
    At Label Your Data, our infrastructure supports distributed teams, large volumes of data, and AI-driven projects for international clients. Behind every well-labeled dataset is a system that must be stable, secure, and scalable β€” and that’s where you come...

    At Label Your Data, our infrastructure supports distributed teams, large volumes of data, and AI-driven projects for international clients.

    Behind every well-labeled dataset is a system that must be stable, secure, and scalable β€” and that’s where you come in, joining us in a part-time DevOps Engineer role to help maintain and improve our infrastructure.

    πŸ‘¨β€πŸ’» What You’ll Be Doing
     

    • Maintaining and administering Linux (Ubuntu) servers
    • Automating infrastructure setup and configuration with Ansible
    • Working with Docker (images, containers, networks, volumes)
    • Monitoring system performance and planning resource usage
    • Setting up and maintaining monitoring and alerting (Grafana)
    • Managing backups, recovery processes, and system updates
    • Applying security best practices and handling vulnerabilities
    • Automating routine tasks with scripts
    • Documenting infrastructure and collaborating with development teams to support deployments and CI/CD workflows
       

    πŸ› οΈ What We’re Looking For
     

    • Strong experience with Linux administration (Ubuntu), Ansible and Docker
    • Confident use of Git for managing infrastructure code
    • Understanding of server performance monitoring and resource management
    • Experience with backup and recovery procedures
    • Knowledge of basic infrastructure security practices
    • Experience with monitoring tools (e.g. Grafana)
    • Ability to write scripts (Bash, Python, or similar)
       

    βž• Nice to Have
     

    • Experience with Docker Compose or Kubernetes
    • Experience supporting CI/CD pipelines

     

    🌍 Why Label Your Data
     

    • Opportunity to work fully remotely;
    • Part-time position: 15-20 hours/week;
    • Competitive compensation in USD;
    • Greenhouse conditions for self-development;
    • Stable, real-world infrastructure used daily by distributed teams;
    • Opportunity to influence how DevOps practices evolve;
    • Direct collaboration with technical teams across our group of companies, enabling shared expertise and aligned infrastructure practices.

     

    🦾 Ready to be part of an innovative team? Apply today and help shape the future of AI data solutions!
     

    *We celebrate diversity and are proud to be an equal opportunity employer.

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  • Β· 134 views Β· 7 applications Β· 16d

    Test Automation Engineer (Java)

    Full Remote Β· EU Β· 5 years of experience Β· English - C1
    We are looking for a Test Automation Engineer (Professional Level) to join a long-term project for one of our enterprise clients. The role focuses on building and maintaining robust automated test solutions across backend, web, and mobile environments,...

    We are looking for a Test Automation Engineer (Professional Level) to join a long-term project for one of our enterprise clients. The role focuses on building and maintaining robust automated test solutions across backend, web, and mobile environments, with a strong emphasis on security-sensitive systems.

     

    Details
    Schedule: Full-time remote, B2B Contract

    Start Date: ASAP

    Duration: Until February 28, 2027

    Workload: 1820 hours total

    Location: EU-based (with onsite onboarding in Germany)

    Language Requirements: German B2 or higher

     

    Key Responsibilities

    Design, implement, and maintain automated test frameworks and test cases

    Perform API testing and validation for backend services

    Execute automated tests for web and mobile applications

    Conduct load and performance testing to ensure system stability

    Integrate automated tests into CI/CD pipelines

    Collaborate with developers, QA, and security teams to ensure high product quality

    Maintain test documentation and reports in ALM tools

     

    Requirements

    Strong experience in test automation

    API testing using REST Assured

    Test automation using Java, TestNG, Selenium, Appium

    Load & performance testing with JMeter

    Experience with CI/CD pipelines (Jenkins)

    Proficiency with ALM tools such as Jira and Confluence

     

    Additional Required Skills

    Solid understanding of cryptography (AES, RSA, TLS)

    Experience with Mobile Client Attestation, including:

    Android DVS

    SafetyNet / Play Integrity API

    Apple Device Attestation

    Secure Enclave

    Warden Supreme

    Knowledge of Security & Identity Management concepts

    Experience with container technologies (Docker, Kubernetes, or similar)

     

    Nice to Have

    Experience working in security-critical or regulated environments

    Exposure to enterprise-scale systems and long-term projects

    Familiarity with hybrid or on-site collaboration models

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  • Β· 683 views Β· 119 applications Β· 16d

    Game Developer / slots / gambling (JavaScript / TypeScript ) to $6000

    Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 4 years of experience Β· English - B2
    We are looking for a passionate JavaScript / TypeScript Game Developer to join our game development team and work on engaging slot and table games. You will be involved in the full development lifecycle β€” from concept to release β€” collaborating closely...

    We are looking for a passionate JavaScript / TypeScript Game Developer to join our game development team and work on engaging slot and table games. You will be involved in the full development lifecycle β€” from concept to release β€” collaborating closely with cross-functional teams to deliver high-quality gaming experiences.

     

    Key Responsibilities

    • Develop, test, and release slot and table games across the full development cycle.
    • Collaborate daily with QA and backend teams to ensure smooth integration and delivery.
    • Implement gameplay logic, graphics, animations, and sound using Cocos Creator, with a strong focus on clean and efficient code.
    • Work closely with the Team Lead, providing regular progress updates and proactively seeking guidance when needed.
    • Build new game features and continuously improve existing projects.
    • Ensure compliance with architecture guidelines, functional requirements, and industry standards.
    • Support team members by providing technical guidance and validating implementation quality.
    • Track, update, and report task progress using Jira.

     

    Requirements

    • 3+ years of professional experience in game development.
    • Strong proficiency in JavaScript and TypeScript.
    • Hands-on experience with Canvas and WebGL.
    • Solid understanding of design patterns, OOP, and MVC principles.
    • Experience with Cocos Creator (preferred) or other game frameworks such as Pixi.js, Phaser, PlayCanvas, Three.js.
    • Experience with Spine is a strong plus.
    • Good knowledge of data structures, algorithms, asynchronous programming, dynamic typing, and performance optimization.
    • Familiarity with modern JavaScript frameworks (MV* concepts).
    • Strong understanding of HTML5 and its latest features.
    • Experience with debugging and profiling browser applications.
    • Confident use of Git and version control workflows.
    • Intermediate or higher English level.
    • Strong communication and teamwork skills.

     

    Nice to Have

    • Experience in slot game development within the gambling industry.
    • Familiarity with Gulp or Webpack.
    • Knowledge of programming languages beyond JavaScript / ActionScript.
    • Experience with cross-browser and mobile web development.
    • Understanding of WebGL shaders.
    More
  • Β· 67 views Β· 8 applications Β· 16d

    Ruby on Rails Engineer

    Full Remote Β· EU Β· 5 years of experience Β· English - None
    We are looking for an experienced Ruby on Rails Engineer to join a product-driven team working on scalable web applications with a strong focus on performance, clean architecture, and business impact. The role involves building and maintaining backend...

    We are looking for an experienced Ruby on Rails Engineer to join a product-driven team working on scalable web applications with a strong focus on performance, clean architecture, and business impact. The role involves building and maintaining backend services, integrating third-party systems, and collaborating closely with frontend and product teams.

     

    Details

    • Location: Fully Remote
    • Employment Type: Full-time
    • Start Date: ASAP
    • Language Requirements: English – Upper-Intermediate or higher
    • Time Zone Overlap: At least 2–3 hours with CET / US time zones

     

    Key Responsibilities

    • Develop, maintain, and scale backend services using Ruby on Rails
    • Design and implement RESTful APIs and backend business logic
    • Work with relational databases, ensuring performance and data integrity
    • Integrate third-party services (payments, marketplaces, external APIs)
    • Collaborate with frontend developers, product managers, and QA
    • Write clean, maintainable, and well-tested code
    • Participate in code reviews and architectural discussions

     

    Requirements

    • 4+ years of commercial experience with Ruby on Rails
    • Strong understanding of MVC architecture and Rails ecosystem
    • Experience with PostgreSQL / MySQL
    • Solid knowledge of REST APIs and background jobs (Sidekiq or similar)
    • Familiarity with Git and modern development workflows
    • Experience working in Agile/Scrum environments
    • Ability to work independently in a remote setup

     

    Nice to Have

    • Experience with Hotwire / Turbo / Stimulus
    • Background in marketplace or e-commerce platforms
    • Experience with cloud platforms (AWS / GCP)
    • Knowledge of Docker and CI/CD pipelines
    • Basic frontend skills (HTML, CSS, JavaScript)
    More
  • Β· 52 views Β· 1 application Β· 16d

    Senior Automation QA Engineer (Java)

    Hybrid Remote Β· Latvia, Estonia, Lithuania Β· 5 years of experience Β· English - C1
    We are looking for an experienced Senior Automation QA Engineer (Java) to join a long-term banking project for a client based in the Baltics. The role combines strong technical automation skills with work on enterprise-grade, regulated systems and...

    We are looking for an experienced Senior Automation QA Engineer (Java) to join a long-term banking project for a client based in the Baltics. The role combines strong technical automation skills with work on enterprise-grade, regulated systems and requires periodic on-site presence.

     

    Details

    Industry: Banking / Financial Services

    Client Location: Baltics

    Specialist Location: Baltics only

    Employment Type: Full-time

    Project Duration: Long-term

    Start Date: ASAP

    Language Requirements: English B2+

    Work Format: Hybrid (on-site 3–8 times per month in Baltic capitals)

     

    Key Responsibilities

    Design, develop, and maintain automated test frameworks and test cases using Java

    Perform automation testing for backend and integration layers

    Test message-driven systems using Kafka and RabbitMQ

    Execute regression, integration, and end-to-end test suites

    Analyze test results, identify defects, and collaborate with developers on resolution

    Ensure high quality and stability of banking systems in production

    Participate in code reviews and QA process improvements

    Collaborate closely with development, product, and DevOps teams

     

    Requirements

    Middle+ or Senior level experience as an Automation QA Engineer

    Strong hands-on experience with Java for test automation

    Practical experience with Kafka and RabbitMQ

    Solid understanding of QA methodologies and automation best practices

    Experience working on complex, enterprise or regulated systems (banking is a strong plus)

    Ability to work in a hybrid model with regular on-site visits

    English level B2 or higher

     

    Nice to Have

    Experience in banking or financial services projects

    Experience with CI/CD pipelines

    Experience with API testing tools and frameworks

    Knowledge of containerized or cloud-based environments

    More
  • Β· 195 views Β· 61 applications Β· 16d

    Full Stack Engineer

    Full Remote Β· Ukraine Β· Product Β· 3 years of experience Β· English - B2
    Simulmedia is seeking an experienced Full Stack Engineer to join our engineering team to develop cutting-edge insights and analytics capabilities in a new CTV platform that is built from the ground up to utilize product-led growth (PLG) approach. In this...

    Simulmedia is seeking an experienced Full Stack Engineer to join our engineering team to develop cutting-edge insights and analytics capabilities in a new CTV platform that is built from the ground up to utilize product-led growth (PLG) approach.

    In this role you will work closely with product managers, designers, and data engineers to ensure seamless integration of analytics features into the platform. The ability to frequently iterate and deliver high-quality features that are owned end-to-end is crucial in this role.

     

    Location in Ukraine is mandatory. Our offices are located in Kyiv and Lviv. Teams are located in Kyiv and Lviv and primarily work remotely with occasional offline meetings.

     

    Key Responsibilities:

    • Design and implement insights and analytics dashboards for the CTV self-service platform, providing users with actionable data to enhance their campaigns.
    • Develop both frontend and backend services using React, Next.js, and TypeScript, ensuring seamless integration between components.
    • Build robust, scalable APIs using tRPC to serve analytics data to the frontend application.
    • Create efficient server-side rendered (SSR) or static site-generated (SSG) pages via Next.js for performance-optimized analytics displays.
    • Collaborate with the designers to implement responsive and visually appealing user interfaces using Tailwind CSS, ensuring a smooth, intuitive experience for the platform’s users.
    • Optimize the full stack to ensure quick load times, low-latency data fetching, and smooth user experiences, especially for data-heavy visualizations and analytics pages.
    • Deploy and manage the platform using Vercel, taking advantage of its serverless functions for backend processes and ensuring efficient deployments and scaling.
    • Participate in code reviews, pair programming, and knowledge-sharing sessions to ensure high-quality, maintainable code.
    • Implement unit and end-to-end testing for both frontend and backend components to ensure reliability and reduce bugs in production.

     

    Qualifications:

    • Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
    • 5+ years of experience in full stack development, with a focus on web applications and data-driven platforms
    • Strong proficiency in TypeScript, including strong typing and interface design for scalable codebases.
    • Deep understanding of React and its ecosystem, including hooks, functional components and React Server Components (RSC).
    • Proficiency in Tailwind CSS for building responsive, accessible, and aesthetically pleasing UIs.
    • Experience in building data visualization tools and dashboards using React-based libraries (e.g., D3.js, Chart.js).
    • Experience with SSR (Server-Side Rendering) and SSG (Static Site Generation) using Next.js, optimizing for performance and SEO.
    • Proficiency in backend development (e.g. Node.js) with tRPC as an API framework.
    • Experience designing and developing APIs, handling authentication, authorization, and security best practices.
    • Proficiency in building scalable and reliable data-fetching layers, especially for real-time or large-scale analytics.
    • Experience with serverless architectures, understanding of edge computing, and CDN usage for enhancing performance and reliability.
    • Solid experience with Vercel or other serverless platforms for deployment, CI/CD pipelines, and performance monitoring.
    • Experience with unit and end-to-end testing frameworks such as Vitest, Cypress/Playwright, or similar, ensuring quality and stability of applications.
    • Proficiency in Git for version control, including experience with pull requests, code reviews, and branching strategies.
    • Ability to work independently and collaboratively in a team environment.
    • Strong communication and interpersonal skills.
    • Ability to communicate effectively with the U.S.-based teams and work 11 am β€” 8 pm EEST.

     

    Bonus Points for:

    • Familiarity with CTV platforms or working experience in digital advertising or media analytics.
    • Knowledge of SEO, accessibility, and performance optimization for web applications.

     

    Interview process:

    • Technical pre-screening (30 mins)
    • Full-scale technical interview (1:15h)
    • Product interview (30 mins)
    • Offer.
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  • Β· 33 views Β· 4 applications Β· 16d

    Embedded Software Engineer ( bare metal experience-must)

    Full Remote Β· Ukraine Β· 5 years of experience Β· English - B2
    Project Description: Join the team modernizing the software delivery process for the Body Controls Organization, focusing on Body Control Module (BCM) and Battery Access Module (BAM) Electronic Control Units (ECUs) within the Fully Networked Vehicle (FNV)...
    • Project Description:

      Join the team modernizing the software delivery process for the Body Controls Organization, focusing on Body Control Module (BCM) and Battery Access Module (BAM) Electronic Control Units (ECUs) within the Fully Networked Vehicle (FNV) architecture. This initiative aims to design, implement, and maintain a robust Level 2 (L2) testing framework using a Virtual ECU (vECU) platform. The framework will automate and continuously improve software validation, ensuring all functional and performance requirements are verified in a virtual environment before hardware deployment. Integration with CI/CD pipelines will deliver continuous feedback on component quality, enabling early defect detection and improved software stability.

    • Responsibilities:

      - Develop a scalable and modular Virtual ECU Development Studio (VEDS) for BCM and BAM ECUs.
      - Ensure compatibility with existing toolchains and enterprise development environments.
      - Implement co-simulation capabilities for seamless interaction between virtual and physical ECUs.
      - Configure the VEDS environment for L2 testing, including network simulation, signal routing, and diagnostic interfaces.
      - Create and execute detailed L2 test cases aligned with software requirements.
      - Automate test script development and integrate automated tests into CI/CD pipelines.
      - Expand virtual ECU test coverage and support development teams in debugging and root cause analysis.
      - Implement reporting and analytics for test coverage, defect trends, and performance metrics.
      - Participate in sprint-based development, contributing to objectives such as test strategy, environment setup, automation integration, test execution, and continuous improvement.

    • Mandatory Skills Description:

      - Proficiency in Bash, C/C++, Conan, Docker, Cmake, ARM\RH850 baremetal, ghs toolchain, Python.
      - Experience with version control and artifact management tools (GitHub, Jfrog Artifactory).
      - Familiarity with test management tools (e.g., Testrail), defect tracking systems (e.g., JIRA), automation frameworks, and debugging tools.
      - Ability to develop modular, reusable automated test scripts and integrate them into CI/CD pipelines.
      - Strong analytical skills for software requirements analysis and test coverage alignment.

    • Nice-to-Have Skills Description:

      - Proficiency in Groovy, MatLab, Python Simulink, and StateFlow.
      - Experience with Polyspace and SonarQube for code quality and static analysis.
      - Knowledge of network simulation, signal routing, and diagnostic interfaces in automotive environments.
      - Prior involvement in mixed-mode testing scenarios (virtual and hardware ECUs).
      - Exposure to reporting and analytics for test coverage and defect trends.
      - Experience supporting development teams in debugging and root cause analysis.

    • Languages:
      • English: C1 Advanced
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  • Β· 57 views Β· 13 applications Β· 16d

    Business Development Manager (iGaming)

    Full Remote Β· Countries of Europe or Ukraine Β· 1 year of experience Β· English - None
    Winex Affiliates is an ambitious and fast-growing affiliate program in the iGaming industry, focused on the international market. We are looking for a Business Development Manager to help scale our B2B partnerships, expand into new markets, and establish...

    Winex Affiliates is an ambitious and fast-growing affiliate program in the iGaming industry, focused on the international market. We are looking for a Business Development Manager to help scale our B2B partnerships, expand into new markets, and establish strategic collaborations.

    Key Responsibilities:

    • Identify and attract new partners (affiliate networks and direct advertisers).
    • Negotiate and onboard partners into our network: contracting, terms alignment, and signing.
    • Manage partner relationships: onboarding, support, performance analysis, and regular reporting.
    • Deal analytics in Google Spreadsheets/Excel; optimization based on KPIs.
    • Handle documentation: contract preparation and related administrative tasks.
    • Attend iGaming conferences and stay active in industry communities.

    Requirements:

    • 1+ year of experience in Business Development, Affiliate, or Sales within iGaming.
    • Understanding of business models: RevShare, CPA, flat, hybrid.
    • Strong analytical skills and experience working with large datasets.
    • Proficiency in Google Sheets/Excel for analytics and reporting.
    • English β€” Intermediate+ level.
    • Soft skills: communicative, proactive, adaptable, and self-driven.

    We Offer:

    • Remote work format.
    • Competitive compensation.
    • Support for professional growth.
    • Participation in corporate events.
    • Flexible schedule, autonomy, and quick decision-making with no bureaucracy.

    Hiring Process:

    1. Intro call with the recruiter.
    2. Interview with the BD Lead.
    3. Final interview with the CEO.

       

    πŸ“© Ready to build new B2B partnerships? Send your CV or message us on Telegram:

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  • Β· 107 views Β· 1 application Β· 16d

    Editorial and Brand Designer (Project Based)

    Part-time Β· Full Remote Β· Ukraine Β· 1 year of experience Β· English - C1
    THE MISSION A new high-stakes strategic physical and digital publication is in development. We are building an intelligence product designed for the architects of the European future. Moving away from the polished tropes of the previous decade, our...

    THE MISSION

    A new high-stakes strategic physical and digital publication is in development. We are building an intelligence product designed for the architects of the European future.

     

    Moving away from the polished tropes of the previous decade, our aesthetic is Rugged Elegance: utilitarian, authoritative, and sophisticated. We are seeking a designer to establish the visual language for a project that prioritises strategic depth and material reality.

     

    SCOPE OF WORK

    This engagement is focused on the initial development of the brand's visual identity and its digital dissemination channels. While this phase primarily addresses foundational architecture, there exists the potential for an extension into the production of the inaugural print publication ("Issue Zero").

     

    Key Deliverables:

    • Brand Identity & Style Guide: Design of the masthead, typographic systems, color palettes, and a proprietary iconography set (focusing on diplomacy, technology, and infrastructure).
    • Newsletter Framework: Development of high-fidelity templates for digital briefings, optimized for dense information and multi-platform legibility.
    • Podcast Visuals: Creation of a visual identity for an associated audio series, including cover art and social collateral.
    • Publication Prototype: Development of a structural design framework and grid system for a quarterly print journal (mockup/prototype only).
    • Digital Assets: Provision of design components for social intelligence channels and specialized landing pages.

       

    CANDIDATE REQUIREMENTS

    • Residency: Candidates must be FOP. We are committed to collaborating with the frontline of European resilience.
    • Portfolio: A comprehensive portfolio (Behance, Adobe Portfolio, or equivalent) demonstrating excellence in typographic systems and editorial design is mandatory.
    • Experience: A proven track record in high-end brand development or editorial design for major reports/publications.
    • Technical Proficiency: Expert knowledge of the Adobe Creative Suite (InDesign, Illustrator, and Photoshop).
    • Communication: Professional proficiency in English is required for all project collaborative efforts.
    • BYOD: We expect the successful candidate to manage their own technology and subscription requirements. 

     

    TERMS & CONFIDENTIALITY

    • Remuneration: This is a fixed-price or capped T&M project engagement for Phase 1. 
    • NDA: Due to the strategic nature of the content, the successful candidate must execute a formal Confidentiality Undertaking (NDA) prior to the disclosure of the full project brief and brand identifiers.
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  • Β· 123 views Β· 51 applications Β· 16d

    Full-stack developer for Ai learning project

    Worldwide Β· 5 years of experience Β· English - B2
    We're building an innovative AI-powered learning platform that leverages cutting-edge technologies to transform the educational experience. This is a greenfield project where you'll have the opportunity to shape the architecture and technical direction...

    We're building an innovative AI-powered learning platform that leverages cutting-edge technologies to transform the educational experience. This is a greenfield project where you'll have the opportunity to shape the architecture and technical direction from the ground up.
     

    Required Technical Skills:

    - Leveraging AI APIs, vector search, RAG
    - Frontend Technologies (Vue, Typescript, Javascript, React)
    - Backend Technologies (Python)
    - Database Management (Postgres, SQL, NoSQL)
    - Understands API integrations and backend design patterns (e.g.,  email providers)
    -Architecture thinking

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