VirtusLab logo
VirtusLab

Reach peak performance | IT consulting and software engineering backed by our expertise in Dev Experience, ML and Scala

Kotlin Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 201-500Since 2010H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

21 days ago

Salary

0

Seniority

Senior

Bachelor DegreeEnglishJavaKotlin

Job Description

Kotlin Engineer

VirtusLab

• Build various tooling using mainly Kotlin • Work on IntelliJ plugin, IDEs, coding agents or frameworks for Local AI inference • Responsible for design, scope, testing and implementation • Collaborate with tooling engineers and be part of an organisation specialized in developer tooling

Job Requirements

  • Strong Kotlin skills or Strong Java expertise with knowledge of Kotlin
  • Understanding of asynchronous and concurrent programming, at best with Kotlin Coroutines
  • High agency and ability to drive work in a changing environment
  • Engineering pragmatism: cutting complexity while keeping the system extensible
  • Hands-on experience using LLMs daily, with the judgment to know when they help and when they don't
  • Fluency in English, with good communication skills for a remote-first team
  • Self-motivation and the ability to take full ownership of features end-to-end

Benefits

  • self-development opportunities
  • good working conditions
  • attractive salaries

Related Job Pages

More Backend Engineer Jobs

Full TimeRemoteTeam 51-200H1B No Sponsor

• Design and build scalable AI/ML infrastructure for VLM training, tuning, deployment, and lifecycle management • Leverage agentic coding tools (e.g., Claude Code, Codex) to generate code, tests, and documentation • Direct AI-assisted development by crafting prompts, reviewing outputs, and ensuring production-quality results • Own code quality through reviews with a focus on scalability, performance, and maintainability • Contribute to backend systems, API design, and occasional full-stack development work • Collaborate closely with product, design, and engineering teams to deliver high-impact solutions

United States
FinteqHub logo

Backend Engineer, Go

FinteqHub

FinteqHub is a PCI DSS certified payment gateway for online businesses.

Backend Engineer21 days ago
Full TimeRemoteTeam 51-200Since 2019H1B No Sponsor

• Integration of new payment providers: from API documentation analysis and technical design to deployment and monitoring in production • Leveraging AI tools (Claude and similar) to accelerate provider documentation analysis and automate the generation of integration Boilerplate code • Configuration, debugging, incident investigation, and automation of routine processes • Contributing to product quality improvements, code reviews, backlog grooming, and retros • Cross-team collaboration and product user support

Poland
Girls For Girls Africa Mental Health Foundation logo

Senior Java Backend Engineer

Girls For Girls Africa Mental Health Foundation

A Trauma-Informed Survivor led Organization that provides psychosocial support to Survivors and Caregivers of GBV

Backend Engineer21 days ago
Full TimeRemoteTeam 11-50Since 2018H1B No Sponsor

• Build and maintain the Imara Impact software ensuring that the backend is scalable and reliable. • Develop new features on the software platform. • Apply principles of software engineering to the design, development, maintenance, testing, and evaluation of the software. • Ensure software is secure regarding information security & personal data. • Actively participate in meetings and projects, coordinating with team members. • Continue to develop yourself and keep abreast of new developments. • Document work clearly for future use by others. • Participate in agile team rituals and practices.

Portugal
€3.0K - €5.0K / month
Censys logo

Software Engineer – Backend, Core Services

Censys

The Leader in Attack Surface Management & Cloud Security

Backend Engineer21 days ago
Full TimeRemoteTeam 51-200Since 2017H1B Sponsor

• Implement and extend services that deliver new core platform functionality. • Support authentication, authorization, and analytics capabilities alongside the team. • Build, test, deploy, and monitor a distributed set of services. • Partner with product, design, and other engineering teams to ship features end-to-end. • Help evolve the Censys public API as platform capabilities grow. • Improve developer experience for internal teams and external API consumers. • Own small-to-medium features from technical design through launch, with increasing independence; participate in design discussions with guidance from senior engineers. • Share on-call responsibilities for your areas and handle straightforward incidents with team support as needed.

United States
$125K - $165K / year