Senior Backend Engineer

3 дней назад

Львов, Львовская область, Украина Crystal Logic Полный рабочий день 90 000 ₴ - 120 000 ₴ в год

We're looking for a Senior Backend Engineer to lead the development of our internal tools and backoffice systems.

In this role, you'll architect and build services that power critical internal workflows — support dashboards, admin tools, data integrations, and operational automation. You'll work primarily with 
NestJS (TypeScript)
, deploying to 
AWS
, and collaborate across Engineering, Product, Operations, and Data teams to deliver reliable and scalable systems that keep the business running smoothly.

Location:
 Remote

Type:
 Full-time Contract

What you will do:

  • Architect and implement scalable backend services and APIs using 
    NestJS
     and

TypeScript

  • Lead the development of internal tools that support business teams (e.g., Support,

Compliance, Ops)

  • Build and maintain event-driven systems and services using AWS tools such as 
    SNS
    ,

SQS
, or similar

  • Integrate backend systems with external services and internal data sources
  • Drive engineering best practices around testing, observability, and maintainability
  • Guide and mentor junior engineers through code reviews and technical discussions
  • Collaborate closely with cross-functional stakeholders to understand internal needs and

translate them into technical solutions

What we're looking for:

  • 5+ years of backend engineering experience
    , including production work with 
    TypeScript

and 
NestJS
 (or similar frameworks)

  • Strong experience designing and implementing 
    event-driven architectures
     using tools

like 
SNS
, 
SQS
, or 
Kafka

  • Deep understanding of service architecture, 
    API design
    , and relational databases

(especially 
PostgreSQL
)

  • Hands-on experience deploying services in 
    AWS
     (e.g., ECS/Fargate, Lambda, RDS)
  • A track record of building tools or systems that improve internal efficiency and visibility
  • Excellent communication skills
     and comfort working across teams to gather

requirements and deliver thoughtful solutions

A strong sense of ownership and the ability to drive projects from concept to completion

Will be a plus:

  • Experience building custom admin panels or leveraging internal tooling frameworks like

Retool or Superset

  • Background in supporting analytics, BI, or data operations
  • Familiarity with CI/CD pipelines and infrastructure as code (e.g., Terraform, CDK)
  • Experience with logging, monitoring, and alerting systems (e.g., Datadog, Sentry)

You'll play a key role in enabling our teams to operate efficiently and scale confidently
. From internal APIs to custom dashboards and messaging infrastructure, your work will directly support our mission by unlocking better visibility, automation, and control across the company. In accordance you will 
have 20 days of vacation and sick lives, bureaucracy-free and people oriented culture.

We are waiting for your CV

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