Jobs Scala

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

Web-based investment platform making smart investing accessible to a broader audience. You will join the IT Development department, working closely with business stakeholders to design, implement, and maintain key business applications and services. The role combines strong engineering craft with architectural input and close collaboration with Product and Engineering Lead.

Tech Stack: Scala · Kafka · Cats-Effect · Doobie · Akka / Pekko · Kubernetes · AWS · CI/CD

Requirements (Must-have):

• Strong hands-on experience with Scala — production level
• Fluent English — written and spoken
  
  Responsibilities:
• Contribute to software and architectural design decisions in close collaboration with the team
• Write efficient, reliable, clean, and thoroughly tested code for a CI/CD environment
• Work with Engineering Lead and Product Manager to design upcoming projects
• Research and evaluate new approaches and technologies when needed
  
  Nice to Have:
• Kafka and Kafka Streams experience
• Typelevel stack — Cats-Effect, Doobie
• Akka / Pekko toolkit — Http and Streams
• Microservices architecture and event streaming systems
• Kubernetes and AWS knowledge
• Experience with Extreme Programming values and principles
• Background in financial services systems
• Experience in remote-friendly distributed teams
• Agile methodologies — principles and ceremonies
  
  Hiring Process: Intro call → Technical discussion → Offer

Are you passionate about building scalable, reliable data systems that power real-world solutions? We are looking for a Senior Scala Developer to join our team and work remotely from Europe, Ukraine, or LATAM.

At Sigma Software, we partner with innovative companies to deliver cutting-edge technology solutions. This role offers the opportunity to design and operate a canonical data platform that integrates diverse external data sources, ensuring high quality and flexibility.

Why join us? You’ll work with modern technologies, collaborate with talented professionals across multiple regions, and have the freedom to experiment and innovate while contributing to impactful projects in the AdTech domain.

Customer

Our client is a fast-growing AdTech company focused on solving real-world challenges in digital advertising and data-driven marketing. They specialize in building highly resilient and scalable systems that encourage experimentation and innovation. Their data platform is designed to be both powerful and flexible, enabling engineers to introduce new ideas and leverage the latest technologies to optimize advertising performance and audience insights.

Project

The project involves developing and maintaining a canonical data platform that integrates multiple external data sources. It supports both full data loads and incremental updates, ensures high data quality, and leverages AI-assisted tools for monitoring and issue detection.

Key Technologies: Java, Scala, SQL, GCP Dataflow, REST APIs, AI-assisted tools, event-driven architectures

Responsibilities

• Design, build, and maintain reliable data pipelines to ingest and process data from external systems
• Implement integrations using Java or Scala, ensuring scalability and resilience
• Handle both full data loads and incremental updates efficiently
• Collaborate with engineering and product teams to align on integration and data needs
• Develop and maintain a unified internal data model
• Ensure data quality, detect and resolve incorrect or incomplete data
• Utilize AI-assisted tools to improve data quality and operational efficiency
• Monitor and optimize data pipelines for production readiness

Requirements

• At least 5 years of experience as a Software Engineer
• Strong production experience with Java or Scala
• Proven experience integrating external systems via REST APIs (pagination, rate limiting, token-based authentication)
• Strong data modelling skills with structured, relational data
• Solid SQL knowledge
• Experience with GCP Dataflow
• Experience operating data pipelines in production environments
• Strong communication skills and ability to collaborate across teams
• At least an Upper Intermediate level of English
   

WILL BE A PLUS:

• Experience with event-driven architectures or messaging systems
• Designing canonical schemas across multiple data sources
• Experience with LLM (Large Language Models)
   

Personal Profile

• Proactive and detail-oriented
• Thrives in collaborative environments
• Enjoys solving complex integration challenges
• Comfortable experimenting with new technologies
• Committed to improving data systems

We are looking for a Middle Java/Scala Developer to join our client’s team on an outstaff basis. The project focuses on the support and further development of an existing message processing platform.

The system is built using a microservices architecture and handles high-load data flows, requiring scalability, reliability, and continuous performance improvements.

Responsibilities

• Develop and maintain backend services using Scala or Java (21+)
• Design, build, and support REST APIs (client and server side)
• Work with databases (PostgreSQL or DynamoDB), including basic schema design and queries
• Collaborate with cross-functional teams in an async environment
• Participate in Agile/Scrum ceremonies (2-week sprints)
• Write clean, maintainable code and follow unit testing and TDD practices
• Contribute to microservices-based architecture and system improvements
• Work with AWS cloud services (ECS, S3, RDS, CloudWatch)
• Use GitHub workflows (branching, pull requests, code reviews)
• Leverage AI tools (Claude, GitHub Copilot) to improve development efficiency, testing, and code quality

Requirements

• Experience with Scala or Java (21+) in production environments
• Working knowledge of PostgreSQL or DynamoDB
• Experience with AWS core services (ECS, S3, RDS, CloudWatch)
• Experience in REST API development
• Understanding of microservices architecture fundamentals
• Experience with unit testing and TDD practices
• Familiarity with Git, IntelliJ/VS Code, SBT
• Strong communication skills for effective async collaboration

Engineering Practices

• Experience working in Agile/Scrum teams (2-week sprint cadence)
• Strong communication skills for async collaboration (e.g., Slack)
• Experience working in distributed teams across time zones
• Proficiency with GitHub workflows (branching, PRs, code reviews)
• Familiarity with cloud-native deployment patterns

AI-Assisted Development

• Hands-on experience with Claude AI or GitHub Copilot
• Ability to use AI tools for backend/frontend development and testing
• Experience integrating AI-assisted workflows into development processes
• Understanding of prompt engineering for code generation and review

Please note, 2+ years of experience in C++ is a mandatory for this position.

Requirements:

• 7+ years of hands-on commercial software development experience
• 3+ years of strong Scala experience
• 2+ years of solid C++ experience
• Upper-Intermediate (B2+) English with confidence in active communication (meetings, discussions)
   

Responsibilities:

• Take full ownership of SQL acceleration features — from architecture and design to implementation and measurable performance gains
• Design, build, and optimize Big Data processing algorithms using Scala, Java, and C++
• Develop high-performance, low-latency components at the intersection of Big Data and compiler technologies
• Work with custom DSLs and code generation frameworks to extend and enhance query execution capabilities
• Contribute to cross-language integrations (Java ↔ C++ via JNI) and drive system-wide performance improvements
  
   

Build data-intensive systems that actually scale. Own distributed processing, not just services. Shape how large-scale data flows power products.

We’re looking for a Senior Scala / Data Engineer for one of our clients — a company operating in a data-heavy, distributed systems environment. This is a hands-on role for someone with a strong Scala background who has built and optimized high-performance data systems in production.

This role is for someone who takes full ownership of distributed data systems — from architecture to performance. You’ll work on complex, large-scale data processing challenges where efficiency, scalability, and fault tolerance are critical.

Your responsibilities will include:

• Build and optimize distributed data processing systems using Scala;

• Design and implement high-throughput, low-latency data pipelines;

• Work with big data frameworks (e.g., Spark) and distributed architectures;

• Develop and maintain scalable backend services for data-intensive workloads;

• Optimize performance of data processing jobs and infrastructure;

• Ensure fault tolerance and resilience of distributed systems;

• Implement monitoring, logging, and observability for data pipelines;

• Collaborate with engineering teams to design scalable system architectures;

• Contribute to cross-functional backend and data engineering efforts;

• Ensure high standards of code quality, performance, and reliability.
  
  

What we expect from you:

• Strong experience with Scala in production environments;

• Proven experience as a Senior Data Engineer or Backend Engineer in data-heavy systems;

• Strong understanding of distributed systems and parallel processing;

• Experience with big data technologies (Spark, Kafka, etc.);

• Strong knowledge of JVM ecosystem and performance tuning;

• Experience building high-load, scalable systems;

• Strong system design and architectural thinking;

• Ability to work independently and take ownership;

• Strong problem-solving skills in complex, distributed environments;

• English level: B2+ (C1 preferred);

• Availability to work in EU timezone.
  
  

Nice to have:

• Experience with functional programming paradigms;

• Experience with cloud infrastructure (AWS / GCP);

• Experience with stream processing frameworks (Flink, Akka Streams);

• Background in low-latency or real-time systems;

• Experience in niche or hard-to-hire tech domains.
  
  

We offer:

• Opportunity to work in a Top-employee company (DOU 2025);

• Interesting projects and challenges that accelerate professional and personal growth;

• Work with a creative, proactive, and empathic team;

• Comfortable, stylish office in Kyiv with generator/battery backup;

• Minimal bureaucracy, regular feedback, and team support;

• Team-building events: parties, online activities, picnics, and more.