CrunchCode

Required:

Middle+\Senior Ruby on Rails Developer, English B1+

Full-time, 8-12 months

Project Overview

A data-driven social media analytics platform undergoing global expansion. The project utilizes an event-driven architecture to process large-scale data from social networks, focusing on high-performance backend systems and seamless React integration.

Responsibilities

- Design and maintain robust, reusable Ruby code for event-driven systems.

- Integrate React-based frontend elements with server-side logic via REST APIs.

- Identify and resolve performance bottlenecks and system bugs.

- Conduct code reviews and implement automation to uphold code quality.

- Participate in architectural decision-making for global scaling.

Requirements (Must-have)

- 5+ years of professional experience in Ruby on Rails development.

- Expertise in Ruby syntax, OOP, and architectural patterns (MVC, Service patterns, ORM).

- Advanced knowledge of RSpec and Sidekiq.

- Experience integrating complex third-party APIs.

- Proficiency with RESTful principles and Mocking.

- Solid understanding of scalable application design and CI/CD pipelines.

- Experience with AI-assisted coding tools (Cursor, Claude Code, or Codex).

- Proficient understanding of Git.

Nice to Have

- Experience with RabbitMQ, AWS Lambda, and Elasticsearch.

- Frontend experience with React.js, react-query, or Ant Design.

- Experience with event-driven architectures.

Hiring Process

Intro call

Technical discussion (focused on real experience)

Offer

Start: ASAP

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Requirements (Must-have):
- 7+ years of professional experience in frontend development, 5+ with React.
- Deep expertise in React ecosystem: hooks, context, state management, performance optimization.
- Strong ownership mindset - proactive, self-driven, accountable for outcomes.
- Excellent communication skills; comfortable in English-speaking environments.
- Proven experience mentoring engineers and leading technical initiatives.
- Ability to work cross-functionally and contribute beyond pure coding.

Responsibilities:
- Lead frontend architecture decisions and drive technical vision for React-based products.
- Mentor and support junior and mid-level engineers through code reviews and knowledge sharing.
- Take full ownership of frontend modules from design to delivery.
- Proactively identify and communicate risks, blockers, and improvement opportunities.
- Collaborate closely with backend, design, and product teams.

Nice to Have:
- Experience with react-query, Zustand, or Redux Toolkit.
- Familiarity with CI/CD pipelines and frontend testing (Jest, Playwright).
- Experience in fast-paced, distributed teams.

Hiring Process:
- Intro call
- Technical discussion (focused on real experience)
- Offer
Start: ASAP

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Required: 
We are looking for a Lead Python Engineer with strong hands-on Azure Cloud experience and proven leadership background. This is not just a senior developer role - the client needs someone with real technical leadership exposure.
EU countries only

Project Overview:
A major client in the digital consulting services space. The exact company name is not disclosed, but it is a large consulting / digital services business.

Requirements (Must-have):
- 5+ years of Python experience
- 4+ years of Azure experience
- Strong hands-on Azure C:loud experience is mandatory
- Leadership / people leadership experience is required
- Strong architecture and cloud-native background
- Good English, ideally C1 level
- What is most important for the client
- Azure must be the candidate’s strongest and most recent cloud experience
- AWS-first candidates are not suitable
- Azure DevOps alone is not considered strong Azure Cloud experience

Responsibilities:
- Lead the design, development, and deployment of Python solutions in Azure
- Architect and optimize cloud-native applications
- Work directly with stakeholders and client teams
- Mentor engineers and drive engineering best practices
- Support delivery quality, governance, and technical decision-making

Hiring Process:
- Intro call
- Technical discussion (focused on real experience)
- Offer
Start: ASAP

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Project Overview:
The client is based in Norway and is developing a product for the maritime sector, focused on analyzing energy consumption and environmental impact (e.g., fuel usage, greenhouse gas emissions) across various types of sea transport.

Requirements (Must-have):
- At least 5 years of professional Python development experience.
- English proficiency at Upper-Intermediate (B2) or higher.
- Strong knowledge of Python and experience with frameworks such as Django, FastAPI, or similar.
- Experience with databases like PostgreSQL and MySQL.
- Practical experience with message brokers or queues (Kafka, RabbitMQ, etc.).
- Experience with CI/CD pipelines and practices.
- Familiarity with containerized environments and deployments (Docker, Kubernetes).
- Experience writing unit, functional, and integration tests.
- Proficient in Git for version control.
- Experience with AI development tools is a plus.

Responsibilities:
- Develop and implement new features according to the product roadmap and detailed specifications.
- Write clean, efficient, and maintainable code following best practices and coding standards.
- Maintain and enhance existing systems, including troubleshooting, modernization, and performance improvements.
- Ensure the system meets requirements for performance, scalability, security, and reliability.
- Conduct code reviews and contribute to continuous improvement of development processes and code quality.
- Participate in architectural discussions, provide technical input, and take ownership of tasks and deliverables.

Hiring Process:
- Intro call
- Technical discussion (focused on real experience)
- Offer
Start: ASAP

Responsibilities

Building both batch and streaming pipelines in production environments

Requirements (Must-have)

4-5 years of experience in Data Engineering

Strong experience with Apache Spark (including Structured Streaming)

Experience building both batch and streaming pipelines in production environments

Proven experience designing AWS-based data lake architectures (S3, EMR, Glue, Athena)

Experience with event streaming platforms such as Apache Kafka or Amazon Kinesis

Experience implementing lakehouse formats such as Delta Lake

Strong understanding of partitioning strategies and schema evolution

Experience using SparkUI and AWS CloudWatch for profiling and optimization

Strong understanding of Spark performance tuning (shuffle, skew, memory, partitioning)

Proven track record of cost optimization in AWS environments

Experience with Docker and CI/CD pipelines

Experience with Infrastructure as Code (Terraform, AWS CDK, or similar)

Familiarity with monitoring and observability practices

Nice to Have

Experience in the financial domain

Experience running Spark workloads on Kubernetes

Exposure to or interest in Large Language Models (LLMs) and AI integration

Experience implementing data quality frameworks or metadata/lineage systems

Hiring Process

Intro call

Technical discussion (focused on real experience)

Offer

Start: ASAP

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Required: 
We are looking for a Full Stack Engineer with strong Rust and TypeScript/React experience to help design and build scalable backend services and modern web interfaces.

Project Overview:
Fast-growing fintech / crypto infrastructure company that is building next-generation payment and financial systems.

Requirements (Must-have):
 •  Solid TypeScript + React experience.
 •  Develop backend services in Rust, including payment flows, settlement processes, integrations, and financial infrastructure components.
• English-upper-intermediate or higher
 •  Build and maintain modern web applications using TypeScript and React.
 •  Design and implement REST APIs and integrations with internal services and external partners.
 •  Work with blockchain RPCs and Web3 infrastructure.
 •  Optimize performance and scalability of backend and frontend systems.
 •  Design secure data handling systems and work with databases such as PostgreSQL and Redis.
 •  Collaborate closely with product and engineering teams to deliver reliable production systems.
 •  Strong experience with Rust for backend development (or willingness to work heavily with Rust).
 •  Understanding of blockchain / Web3 technologies and crypto infrastructure.
 •  Experience designing scalable APIs.
 •  Experience with PostgreSQL, Redis, or similar databases.
 •  Strong focus on security and reliability, especially in financial systems.
 •  Ability to work in a fast-moving startup environment.

Responsibilities:
 •  Develop backend services in Rust, including payment flows, settlement processes, integrations, and financial infrastructure components.
 •  Build and maintain modern web applications using TypeScript and React.
 •  Design and implement REST APIs and integrations with internal services and external partners.
 •  Work with blockchain RPCs and Web3 infrastructure.
 •  Optimize performance and scalability of backend and frontend systems.
 •  Design secure data handling systems and work with databases such as PostgreSQL and Redis.
 •  Collaborate closely with product and engineering teams to deliver reliable production systems.

Nice to Have:
 •  Production experience building backend services in Rust.
 •  Experience working with crypto payments, stablecoins, or financial infrastructure.

Hiring Process:
- Intro call
- Technical discussion (focused on real experience)
- Offer
Start: ASAP

Project Overview

The company helps hotel chains like Hilton and Marriott transform front-desk staff into revenue generators through upselling training and analytics. Their IN-Gauge SaaS platform empowers frontline teams across 2,000+ properties in over 100 countries.

Responsibilities

- Implement scaling of the case detection process (scanner)

- Split API into multiple API services

- Emulate pubsub/cloud run locally

- Implement scaling of the case detection process (scanner)

- Split API into multiple API services

- Emulate pubsub/cloud run locally

- Extract & process data using PySpark + S3 (Kafka/Kinesis — bonus)

- Write & optimize SQL on PostgreSQL/Redshift; use DynamoDB as data source/sink

- Run and debug ETL jobs on Glue or EMR; monitor via console/Spark UI

Requirements (Must-have)

Data engineering - 5 years,

AWS - 3 years (1 year latest project),

Spark/PySpark - 2 years (1 year latest project)

Nice to Have

GCP (pubsub/Cloud Run)

Hiring Process

Intro call

Technical discussion (focused on real experience)

Offer

Start: ASAP

У пошуку кандидата з мінімальним знанням польської!
Досвід у фінтех-маст!

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Required: 
Polish Speaking (мінімальне знання польської, основна мова спілкування - англійська (Upper Intermediate))
4 months+

Project Overview
Ability to work in a startup atmosphere = need for an independent person who can proactively obtain the necessary information.

Requirements (Must-have):
- English-Upper-intermediate;
- Experience with Jest;
- Experience with REST API.

That would be a plus:
- Experience with Maestro

Hiring Process:
- Intro call
- Technical discussion (focused on real experience)
- Offer
Start: ASAP

Required:

We're building the global platform for barbecue culture — combining membership, structured directories (restaurants, teams, events), live competitions, user-generated content, and commerce into a scalable consumer ecosystem. This is not a marketing site. It is a content-heavy, subscription-driven B2C product. We are seeking a  Product Manager who can own the product end-to-end — defining the roadmap, driving execution with engineering, aligning UX/UI, and ensuring we build the right features at the right time.

Working hours until 12:00 PM PST (22:00 Kyiv time) - that is, this is a shifted workday, project from the USA

Project Overview

Global platform for barbecue culture

Responsibilities

Own the product vision and roadmap

Translate business goals into prioritized product initiatives

Manage and direct engineering and UX/UI

Drive conversion, retention, and engagement strategy

Create clarity and velocity across teams

Remove product decision-making from the founders’ plate

This is a hands-on role. You will be writing specs, defining user flows, driving sprints, and making prioritization tradeoffs daily.

Write clear PRDs (Product Requirement Documents)

Define user stories and acceptance criteria

Run sprint planning and backlog grooming

Work directly with engineers to unblock progress

Partner with UX/UI to ensure cohesive experience

Own funnel instrumentation and analytics

Design and prioritize A/B testing

Improve membership conversion and engagement loops

Define KPIs and product success metrics

Structure entity relationships (events, teams, restaurants)

Optimize SEO-driven page generation

Design scalable UGC systems

Align content taxonomy and tagging strategy

Translate technical decisions to non-technical leadership

Provide structured updates and risk visibility

Manage tradeoffs across budget, scope, and speed

Requirements (Must-have)

3+ years product management experience

Built or scaled B2C subscription products

Experience with content-heavy or marketplace platforms

Strong UX intuition and conversion-first thinking

Deep familiarity with experimentation frameworks

Experience managing engineers directly

Comfortable working with React-based frontends and modern API-driven backends

Nice to Have

Experience with serverless environments (AWS)

Experience with Stripe subscription products

SEO-driven product experience

UGC moderation systems

Growth-stage startup experience

Hiring Process

Intro call

Technical discussion (focused on real experience)

Offer

Start: ASAP

CrunchCode — сервісна ІТ-компанія (аутстафінг та проєктна розробка) для ринків ЄС/США. Допомагаємо клієнтам швидко масштабувати команди й запускати продукти. Шукаємо IT Recruiter для співпраці на парттайм, під запити.

Формат співпраці:

• Part-time

• Залучення під конкретні вакансії або проєкти

• Гнучкий графік

Обовʼязки:

• Пошук та підбір IT-спеціалістів під запити клієнтів

• Проведення первинних інтервʼю

Вимоги:

• Досвід роботи IT Recruiter (бажано в аутстаф / аутсорс компаніях)

• Розуміння IT-ролей та ринку

• Вміння швидко підключатися до роботи за запитом

• Хороші комунікативні навички

• Англійська мова від Intermediate і вище

Ми пропонуємо:

• Оплату за вакансію або погодинно (обговорюється)

• Віддалений формат співпраці

• Гнучкість та відсутність бюрократії

• Довгострокову співпрацю за умови взаємного комфорту

Вимоги до володіння мовами

Англійська

B1 – Середній

Про компанію CrunchCode

CrunchCode is a team of global tech talents, working remotely to help you scale up much faster and meet deadlines with no admin costs. Headquartered in Portugal, and being present in Western Europe. We provide nearshore and offshore IT augmentation services. Tech stack: - Frontend: Javascript, Typescript, React.js, Next.js, Vue.js; - Backend: Golang (GO), Python (Django,Flask,FastAPI), JAVA (Spring); - Mobile:Swift, Kotlin. - Database: PostgreSQL, MongoDB, MySQL, Redis, ClickHouse, Elasticsearch; Industries we innovate: Retail & E-commerce, FinTech and Banking, Enterprise Industrial Software