Jobs

Looking for a Product\ Data Analyst for an international product IT company with a Ukrainian core team that develops its own SaaS B2C solutions for US and Europe markets (Tier 1/2/3) due to the expanding of the team. 

Company products:  WEB SaaS products and utilities for social media.

Product Team - 25 employees

Marketing team - 8 employees 

The team of the company - 60  people

Locations  of the team - Europe/USA/Ukraine,  full remote from any country/office Kyiv

Сonditions: Competitive salary (Fix+bonuses), remote mode (Full-time), career and financial growth, paid vacation and sick leave and many other benefits.

Requirements:

• 3+ years of experience as a Product Analyst\ Data Analyst or Marketing Analyst.
• 1+ year of proven B2C experience (subscription, funnels, marketing, retention)
• Strong SQL skills (MySQL, PostgreSQL), including writing complex queries and building data models
• Proficient with BI tools such as Tableau, Power BI, and Looker
• Hands-on experience with Google Analytics, Google Tag Manager, event-based analytics, and building attribution models
• Solid understanding of subscription-based business models and core product metrics
• High level of independence in formulating analytical queries, conducting data analysis, and delivering actionable insights

Responsibilities:

• Audit and analysis of existing dashboards and reports to verify data legitimacy and accuracy
• Database structure analysis and correction of identified inconsistencies.
• Building and enhancing the internal analytics system to ensure data completeness and accuracy.Redesigning the attribution and unit economics system for each product based on new data.
• Assisting the business in developing predictive models for efficient traffic acquisition.
• Creating informative dashboards in Tableau to monitor key metrics.
• Setup and maintenance of paid traffic tracking: tagging, events (GTM/GA4), technical support, and collaboration with the PPC team
• Expansion of the internal marketing analytics system, including data migration from Mixpanel to the internal BI platform

• Participation in the development of an AI module with the CTO for automated recommendations and rapid product adjustments

   

  We offer:

• Flexible work schedule
• 18 days of vacation + 3 sick leaves (without confirmation)
•  Winter vacation at the expense of the company (1st week of the New Year)
• Sick days are paid at 100% in an unlimited number (with confirmation)
• Health insurance for colleagues and children, psychological support
• Budget for training and development
• Management for tax compensation of the FOP
• Bonuses for birthdays and major events in the life of a colleague

• 50% of compensation for studying English or sports.

   

Responsibilities:

1. Develop and implement new functionality within the system.
2. Cover code with unit and integration tests.
3. Use AI tools to optimize workflows.
4. Identify and eliminate bottlenecks in code and architecture.
5. Maintain and improve existing code, ensuring its readability and scalability.

Requirements:

1. Teamwork skills and proven commercial development experience.
2. Strong knowledge of PHP 7–8, OOP principles, and design patterns.
3. Ability to write clean, maintainable, and extensible code.
4. Experience working with large codebases.
5. Hands-on experience with Symfony (Sonata Admin, API Platform is a plus).
6. Solid expertise with MySQL and PostgreSQL: database architecture design, writing complex SQL queries.
7. Experience with RabbitMQ or understanding of AMQP.
8. Strong understanding of the HTTP(S) protocol and experience building REST APIs.
9. Proficiency with Git and Linux.
10. Practical experience with Docker, Kubernetes, Helm.

Nice to have:

1. Experience with MongoDB or Clickhouse.
2. CI/CD automation.
3. Practical experience developing high-load projects.
4. Experience or interest in applying AI technologies.

⚡️ We offer

1. Remote work with flexible working hours.
2. Unlimited vacation, paid sick leave, 7 additional days off per year for rest or personal matters + a birthday day off.
3. Stable, on-time compensation.
4. Monthly benefit of ~$50 for personal needs (mental health, sport, language courses, hobby, etc.).
5. Compensation of coworking expenses.
6. Corporate laptop (MacBook).
7. Company-sponsored online English lessons.
8. Minimal bureaucracy, supportive and energetic team environment.

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries. 

About the Product: 

Gett is a technology platform solely focused on corporate Ground Transportation Management (GTM), a market worth over $90Bn globally. It is the GTM category leader, serving over a quarter of the Fortune 500 companies. 

Gett’s cloud-based software aggregates existing transportation providers (corporate fleet, ride-hailing, taxi, and limos) into one single platform, helping businesses manage all of their ground transportation spend, saving time and money. 

About the Role: 
We are building the global grid of ground transportation, embracing the entire world, connecting the dots, similar to telephone and internet grids. 

We are looking for a talented Go developer to join our collaborative and growing development team, a core team responsible for the main flows of the application that directly impact our end users. 

Key Responsibilities: 

• Full software development lifecycle of new applications - from technical design (together with architects and product managers), through implementation, and all the way to deployment and monitoring in production 
• Keeping production stable and working, having a dedicated team as a first line of support 
• Collaborating with other engineering teams to integrate systems and ensure smooth, reliable end-to-end experiences. 

• Improvement of technical health of existing services according to best practices from architects, infra team, or your own insights 

   

Required Competence and Skills:

• 5+ years of experience in backend software development (Python, Ruby, PHP, Go); 
• At least 2 years of experience with Golang;
• Experience in designing and implementing data-driven applications using relational (such as PostgreSQL, MySQL) and NoSQL (such as Redis) databases; 
• Experience with designing RESTful APIs and understanding the HTTP protocol; 
• Experience with Scrum / Agile development methodologies; 
• Experience in writing unit tests; 
• Good English communication skills, both verbal and written; 
• Understanding the business needs and providing optimal customer experience to our users. 
   

Nice to have:

• Experience in optimizing performance in relational databases;
• Experience with gRPC/protobuf; 
• Experience solving high-load problems;
• Experience with concurrent applications.
  
   

Why Us?

- We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

- We provide full accounting and legal support in all countries we operate.

- We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

- We offer a highly competitive package with yearly performance and compensation reviews.

Location: Remote
Type: Full-time (exclusive focus required, no concurrent or part-time jobs)
 

About Spell
Spell is building an MPC-powered crypto wallet with gaming features, using threshold signatures to deliver a secure and seamless Web3 experience. We’re a fast-moving, seed-funded startup looking for proactive engineers who take ownership and ship reliable infrastructure.
 

About the Role
You’ll own the backend that powers Spell’s wallet, building scalable and secure services that drive core functionality. 

Your work will include:

• Developing wallet backend services: transaction creation, validation, and lifecycle management.
• Implementing MPC/threshold signing flows across multiple networks.
• Integrating on- and off-chain protocols and services (swaps, bridges, staking).
• Aggregating blockchain and off-chain data for analytics and dashboards.
• Building APIs and data services for user features and internal monitoring.
• Ensuring service reliability, scalability, and security of cryptographic operations.

What We’re Looking For:

• Strong Golang skills and production backend experience.
• Hands-on with Postgres, Docker, Redis, Grafana.
• Solid SQL expertise (joins, aggregations, performance tuning); ClickHouse experience a plus.
• Web3 experience: transaction building, signing, and cross-chain differences.
• Familiarity with blockchain cryptography (ed25519, secp256k1).
• Experience integrating and maintaining third-party APIs.
• Ownership mindset, detail orientation, and comfort in a fast-paced startup.
• Strong communication and collaboration skills.

About the role

You’ll lead 0→1 and 1→N launches for customer-facing products - dashboards, interactive flows, DEFI primitives/protocols that drive user acquisition and engagement in the Solana ecosystem. You translate ambiguous problems into crisp specs, validate with scrappy prototypes, and partner closely with engineering/design to ship fast.

   What you’ll do

• Own product discovery and delivery for multiple parallel bets.
• Define problem statements, success metrics, and experiment plans for traction.
• Create low-/mid-fidelity designs or flows (Figma or equivalent) for PoC/MVP.
• Write PRDs/specs that engineers love; prioritize ruthlessly.
• Set up analytics/event schemas; read funnels and cohorts to steer iteration.
• Partner on go-to-market, docs, and partner/creator integrations.

• Navigate Solana/web3 specifics (wallet UX, fees, tx reliability, indexers, program constraints) and turn them into great user experiences.

   

   Must-haves

• Web3 product experience is required, preferably Solana (consumer or prosumer products, wallets, analytics, creators, DeFi, gaming, or tooling).
• 4–6+ years in Product Management with shipped, user-facing products.
• Strong experimentation mindset (A/Bs, quick MVPs, event instrumentation).
• Ability to write clear requirements in Jira, document in Confluence, and navigate Figma and other standard product tools to ensure requirements are clearly shared and communicated with teams
• You are comfortable leading API integrations with external vendors across data providers, payments, clearing or custody
• Passionate about UX and solving problems
• Clear, concise writing; ability to align stakeholders and make decisions fast.

• Comfortable running multiple workstreams in parallel.

   

  What We Offer

   

• Competitive salary based on your qualifications and experience.
• Flexible schedule: work 8 hours per day based on your natural biorhythms (no fixed start time).
• Remote work opportunities.
• Paid vacation: 31 working days annually (11 national holidays + 20 vacation days).
• Paid sick leave: Up to 15 days per year.
• Individual benefits package: Funds for personal use on travel, insurance, fitness, driving lessons, and more. 
   

How we work

• Startup pace, high ownership: small team, fast feedback, frequent releases.
• User-obsessed: we instrument, learn, and iterate continuously.
• Quality bar: scrappy first, but production-grade before we scale.

We, at recruitment agency Hiringwise, are looking for a Data Engineer for our partner — European e-commerce company.

It is a direct b2b contract for 6 months.

🌎 Location: anywhere (within European time zone), fully remote

Tech stack:

SQL (window functions, CTEs, performance tuning), Python (data/ETL tooling), Snowflake (preferred) or other cloud data platforms (Databricks, Redshift, Athena), Fivetran (ETL/ELT connectors), AWS (S3, SQS), Airflow/K8s, dbt.

We are looking for a candidate who has:

• 4+ years of Data Engineering experience;
• Proficiency with a modern cloud Data platforms and Data Lakes (Snowflake preferred; Databricks/Redshift/Athena acceptable);
• Excellent in SQL, Python;
• Hands-on experience with ETL/ELT (DB, files, APIs);

• Upper-Intermediate or higher English skills.

   

Would be an advantage:

• Deep, practical experience with Snowflake and/or Databricks;
• Experience with DBT;
• Google BigQuery exposure;
• Data Governance topics (catalog/lineage, data contracts, quality, access policies);
• Airflow or similar;
• Kafka / event streaming;
• Supermetrics;

• Solid understanding of database and analytical technologies (partitioning, SCDs, CDC, warehousing patterns).

   

The tasks include:

• Build and evolve a modern, scalable Data Platform used across the company.
• Design and implement a cloud Data Warehouse / Data Lakehouse.
• Develop robust ELT/ETL pipelines on Python for databases, files, and external APIs.
• Model data for analytics and operational use (dbt / SQL), ensuring quality and freshness.

• Collaborate with BI and engineering teams to turn requirements into data products.

   

Description

Our client is an innovative manufacturer of medical devices in the United States, producing devices and software applications.

In this project, you will have a great opportunity to be involved in the full development life cycle of medical software, which is designed to assist individuals by processing information from medical devices to identify health trends and track daily activities. In addition, there are opportunities to work with medical devices, in the scope of end-to-end testing.

Here is our dev tech stack:
aws
terraform
bamboo/gitlab
java 11+
Hibernate
Maven
spring/springboot
mysql
okta

Requirements

General:

• Unit Testing: Jasmine, Karma
• E2E Testing: Cypress / Protractor (Cypress preferred)
• Test Coverage & Mocking strategies
• Linting & Formatting: ESLint, Prettier, Stylelint

• Experience testing software systems without user interfaces (i.e. API testing)
• Developing, executing, and maintaining automated test scripts
• Hands-on coding experience with Java 
• Experience with Selenium WebDriver & Jmeter
• Solid understanding of QA practices (black box testing, risk-based testing, system testing, regression testing, exploratory testing)

Must have:

• Test Automation Experience: API (backend) testing (3+ years)
• Test Automation Frameworks: RESTassured, Selenium, Cypress, or Playwright
• Programming Languages: Java (3+ years)
• Tools: Postman, event logging (Splunk/Datadog), CICD pipeline integration
• Regulatory experience

• Excellent English communication skills

  Nice to have:
  Salesforce
  Atlassian tools: Jira, Confluence, Bamboo
  mySQL
  Jama QMS

Job responsibilities

• Perform testing on software systems without user interfaces, focusing on API testing.
• Develop, execute, and maintain automated test scripts to ensure software quality and reliability.
• Write and maintain code using Java or JavaScript.
• Utilize Python for scripting and automation tasks.
• Use Selenium WebDriver for web application testing.
• Implement performance testing using Jmeter.
• Apply solid QA practices including black box testing, risk-based testing, system testing, regression testing, and exploratory testing to identify and resolve issues.

As the Head of Sales, you will be responsible for building and leading a high-performing, multilingual sales team, driving revenue growth, and ensuring excellence in customer interactions.

Key Responsibilities:
✅ Lead and manage a sales team of 50+ members across different languages, markets and time zones.
✅ Develop and implement sales strategies including sales workflow, scripts, sequences etc.
✅ Oversee sales operations across chats and calls to maximize customer engagement and satisfaction.
✅ Establish and monitor KPIs to assess team performance and identify areas for improvement.
✅ Implement quality assessment processes to maintain high success conversion rate.
✅ Collaborate with the marketing team to align sales strategies with lead generation and customer acquisition goals.
✅ Provide coaching, training, and professional development to elevate the sales team’s performance.
✅ To contribute permanent sales processes automation via CRM and AI solutions development

Requirements:
✔️ Proven experience in managing a sales team of at least 50 people.
✔️ Successful track with multilingual teams and global markets.
✔️ Strong expertise in managing sales through both chats and calls.
✔️ Excellent understanding of lead conversion strategies and customer relationship management.
✔️ Hands-on experience with quality assessment and performance improvement.
✔️ Data-driven+analytic mindset with a strategic approach to problem-solving.
✔️ Exceptional leadership and communication skills.
✔️ Fluent English

Offer:
🌍 Opportunity to lead a high-impact team in a fast-growing global company.
💼 Competitive salary (USD) and performance-based bonuses.
📈 Professional growth opportunities and the chance to shape the future of medical tourism sales.
💪 Dynamic and supportive work environment.
Social package:

• Relevant courses compensation
• GYM compensation
• Accountant support
• Seek leave
• Annual Vacations

We’re looking for an experienced Replit Developer to take over an existing project that was originally built using Replit’s AI Agent. Since the project was AI-generated, expect unusual structures, incomplete logic, and a need for deep debugging and refactoring.

If you’re not scared of diving into messy code and enjoy the challenge of bringing AI-built projects to production, we’d love to hear from you.

Responsibilities

– Review the existing Replit codebase and identify gaps, bugs, or inconsistencies

– Refactor and optimize AI-generated code for stability, scalability, and maintainability

– Finalize missing features and polish the project to production readiness

– Integrate with APIs, databases, and third-party services as required

– Document the system for future maintainers

Required Skills

– Strong proficiency in JavaScript/TypeScript and Node.js (core stack in Replit projects)

– Solid understanding of React and modern frontend workflows

– Backend experience with APIs and databases (Supabase, PostgreSQL, or Firebase)

– Familiarity with the Replit environment: Nix packages, secrets management, deployments

– Strong debugging and problem-solving skills

– Ability to work independently with minimal guidance

Nice to Have

– Experience with other AI-generated projects (Lovable, Cursor, Claude Code, etc.)

– Knowledge of CI/CD pipelines and migrating apps out of Replit if needed

– Contributions to Replit templates, bounties, or community projects

Required

• Bachelor’s degree in Computer Engineering or Computer Science.
• 5+ years of relevant software engineer. 
• Able to work and influence in a highly cross-functional team environment
• Management: 3 or more projects in parallel 
• Experience in interviewing and candidate selection 
• Experience in introducing and driving Agile development processes (Scrum and Scaled Scrum) within the organization.
• Continues improvement attitude, change driver
• Understanding of Unit Testing, Continuous Integration and debugging of complex software systems
• Ability to work in a multinational and geographically distributed team 
• Excellent communication and negotiation skills, for both internal and external audiences, at all levels
• Excellent written and spoken English level

Nice to have

• Experiences with medical device development processes and communication standards.
• Experience with cross-platform development.
• Excellent time management and organizational skills and experience establishing guidelines in these areas for others.
• Medical device development process knowledge

Job Responsibilities

• Coordinate teamwork
• Handle communication with the team, client, and other subteams
• Train and coach on ceremonies: daily stand-ups, planning meetings, retrospective meetings, etc
• People management
• Processing of new opportunities
• Hold regular technical team meetings to determine progress and address any technical questions or challenges related to projects
• Collaborate with cross-functional teams to define, design, and ship new features
• Handle project documentation so it is always up to date

Department/Project Description

GL cooperates with eye care products industry leading US based company. Wide portfolio of project is growing on a weekly basis and covers technologies from embedded world through mobile applications to the cloud solutions, from System design through cybersecurity advisory to the test automation projects.

Join us to drive an exciting transformation in mobile engineering! As a Senior Mobile React Native Engineer, you will start as part of our centralized mobile team, building and maintaining two React Native apps for the European and U.S. markets. You will collaborate closely with domain experts across the organization to deliver high-quality, mobile-native solutions.

We are moving towards a distributed team model, where each product team will have a dedicated mobile developer responsible for building native views within their domain. This shift will reduce bottlenecks, enhance domain expertise, and accelerate mobile-first feature development.

Must-Have Skills & Technologies:

• Experience: Minimum 6+ years as a Software Engineer, including 4+ years of hands-on experience with React Native.
• Experience with React as a web developer for 1+ years and readiness to potentially write some React Web components.
• Technical Stack: React Native, React Hooks, Redux, Nx (or similar tools), TypeScript.
• App Lifecycle: Integration, testing, code signing, deployment via app stores, CI/CD pipelines (GitLab, Fastlane, Expo EAS).
• API Knowledge: RESTful APIs, GraphQL, and third-party SDKs integration.
• Monitoring & Debugging: Datadog, Firebase Crashlytics.
• Security Practices: OAuth, JWT, encryption, and data privacy compliance.
• Native Module Management: iOS/Android native modules for seamless React Native interaction.
• Testing: Unit testing (Jest, Enzyme), familiarity with E2E testing (Detox, Maestro).
• Design Systems: Experience with Storybook for consistent UI components.

• Strong analytical and communication skills in English.

   

Responsibilities:

• Develop and maintain React Native apps.
• Collaborate with domain experts to build high-quality mobile solutions.
• Initially, work in a centralized mobile team, developing a strong understanding of the mobile ecosystem.
• Transition into domain-specific teams to work on product-specific mobile features.
• Participate in a Mobile Guild to ensure knowledge sharing and best practices across teams.
• Contribute to developing new tools, including GraphQL/BFF layers and CI/CD pipelines.
• Ensure mobile security, performance monitoring, and debugging for production apps.

Nice-to-Have Skills: 

• End-to-End (E2E) Testing: Hands-on experience with Detox or Maestro.
• Mobile Performance Optimization: Experience with performance profiling and optimization techniques.
• Additional Mobile Security: Experience with biometric authentication, secure storage solutions.
• DevOps & Automation: Experience improving CI/CD workflows beyond basic deployment.

• Mobile Accessibility: Knowledge of accessibility best practices for mobile applications.

   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

EU citizens / EU passport holders

Requirements:
Minimum 3 years of experience with Progress OpenEdge.
Fluent English (B2+).
Experience with DevOps tools (Jenkins, Git, Docker, Kubernetes, etc.) is a plus.
Experience with front-end (Angular or similar frameworks) is a plus.

Required skills

• 5+ years of proven experience in Software development
• Strong knowledge of the Laravel framework
• Deep understanding of SOLID principles, design patterns, and PSR standards
• Experience with SQL (PostgreSQL), query optimization, joins, aggregations
• A clear understanding of TDD, BDD
• Experience with *nix
• Understanding Git versions control system
• A clear understanding of how to write DRY, KISS and optimized for high-load code
• Experience working with the Docker environment, container registry
• Event-driven architecture practical usage
• Experience with Unit tests

• Development workflow knowledge (SDLC)

   

As a plus

• Experience with queues/messaging (Centrifugo) 

   

Must have personal qualities like

• Ability to work in a team
• Good analytical skills and attention to details

• Ability to understand someone else’s code

   

Opportunities

• Build a successful product that grows dynamically within the US market
• Professional and career growth
• Possibility to propose solutions to a project

• Realization of your innovative ideas in building new solutions and services

   

We offer

• Dynamic and challenging technical tasks
• Long-term employment
• Compensation for certifications, conferences, training, and other working events
• Work in a unique professional, friendly and supportive environment
• Informal style of leadership and communication

Reasons to join the team

• Build a successful product that grows dynamically within the US market
• Friendly and open-minded co-workers
• Career development opportunities
• The right tools you need to be successful

Requirements

• 5+ years of professional experience with Node.js
• 1–2 years of experience with React.js (enough for integration and simple UI tasks)
• PostgreSQL – 4+ years (schema design, complex queries, optimization, transactions)
• MongoDB – 2+ years (document modeling, aggregation pipelines)
• Redis – 2+ years (caching, session management, pub/sub)
• Cloud Services: 3+ years working with AWS, GCP (deployment, scaling, monitoring, CI/CD)
• Containers & DevOps: 2+ years with Docker (Kubernetes is a strong plus)
• Real-Time Communication: 2+ years with WebSockets, Protocol Buffers, or gRPC
• strong background in testing (unit, integration), clean architecture, documentation, CI/CD pipelines
• advanced proficiency with Linux/Unix environments and shell scripting
• proven ability to work independently, prioritize tasks, and deliver without close supervision
• Upper-intermediate or higher level of English
• (Nice to have) Background in financial/trading platforms

Responsibilities

• Architect, design, and maintain scalable backend services for a trading and user management platform
• Integrate with and optimize usage of cloud services (compute, storage, monitoring, scaling)
• Design and implement robust data models, APIs, and efficient database logic using PostgreSQL, MongoDB, and Redis
• Build and optimize real-time communication services (WebSockets, Protocol Buffers) for trading workflows
• Develop secure authentication, authorization, and user-level access control systems
• Lead backend integration for a simple user management portal (React for UI, backend-driven logic)
• Contribute to system architecture decisions, scalability planning, and performance improvements
• Collaborate with stakeholders to gather requirements, propose solutions, and provide technical guidance
• Maintain high-quality, testable code with solid documentation and coding standards
• Drive backend best practices and mentor team members when needed
• Work across the full product lifecycle: requirements → design → implementation → testing → deployment
• Continuously propose optimizations and innovative backend solutions to improve platform performance and reliability

Project description

Futures trading education and evaluation project offering flexible funded trader evaluation programs and extensive educational content to provide a pathway for traders of all levels to start trading futures professionally and achieve their goals. The platform allows the clients to make transactions with any product, whether it be shares, grain, electricity, etc. Market data comes in real time and is displayed in a convenient way, which makes it easy to navigate the market dynamics and make a buy and sale orders.

At ScrumLaunch, we believe in building scalable, reliable, and secure software that empowers startups to grow. We’re looking for an experienced Ruby Team Lead / Tech Lead who can bring deep technical expertise, leadership skills, and a passion for high-quality code.

Our ideal candidate has a strong background in Ruby development, proven experience leading teams, and the ability to design and deliver robust APIs and services at scale.

Objectives of this Role

• Lead and mentor a distributed team of engineers, fostering best practices in development, testing, and architecture.
• Design and maintain scalable Ruby services and APIs, ensuring performance and reliability.
• Drive technical decision-making, code reviews, and architecture discussions.
• Collaborate closely with product managers and stakeholders to deliver high-impact features.

• Stay up to date with emerging tools and AI-enhanced workflows to increase team productivity.

   

Core Requirements

• 7+ years of experience in software development with Ruby, including 2+ years in a Team Lead or Tech Lead role.
• Deep experience with Ruby 2.7+ in production environments.
• Strong command of Grape for RESTful APIs (parameter validation, middleware, Swagger).
• Experience working with Sinatra for lightweight or legacy services.
• Familiar with service object architecture, zeitwerk autoloading, and performance tools like stackprof.
• Expertise with MongoDB / Mongoid ODM, including schema design, aggregation pipelines, and indexing.
• Mastery of OOP in Ruby with scalable and modular design (decorators, presenters, service layers).
• Strong background in API design and integration (Faraday, JWT/JWE, symmetric encryption).

• English – Upper Intermediate (B2) or higher.

   

Preferred Qualifications

• Cloud & DevOps: Hands-on experience with AWS SDKs (S3, SES, SNS, SecretsManager, Pinpoint, Transfer).
• Asynchronous Processing: Sidekiq Pro/Enterprise, celluloid, memory/thread debugging.
• Security & Compliance: rack-attack, TOTP, OAuth2, GoogleAuth integration.
• Stripe Integration: One-time & subscription payments, webhooks, invoicing.
• Testing: Minitest, shoulda-matchers, factory_bot, mongoid-minitest, parallel tests.
• File & Document Handling: mini_magick, carrierwave, prawn, xlsxtream.

• Scheduling & Email Tools: ice_cube, tzinfo, rqrcode, mjml-ruby, mustache.

   

AI Tools & Productivity (Highly Desired)

• Daily use of tools like Cursor, Copilot, or Claude Code.
• AI-assisted workflows for refactoring, test generation, boilerplate creation, and code review.
• Prompt engineering skills to improve AI output.
• Experience integrating backends with LLM APIs (OpenAI, Anthropic, Mistral).

• Exposure to AI agent systems for customer support, lead enrichment, PDF summarization, and dynamic forms.

   

Would be a Plus

• Familiarity with DuckDB for analytics pipelines.
• Experience with Markdown rendering, CLI tooling, and name parsing libraries.

• Background in startups or fast-moving product teams.

   

Work Conditions

• Opportunities to work on diverse and challenging projects.
• A supportive and collaborative international team environment.
• 12 vacation days per year.
• 5 sick days per year.
• Access to therapist and psychologist support for mental well-being.