Job Closed

This listing is no longer active.

CKEditor logo
CKEditor

Get total back- and front-end control over your WYSIWYG editor. Build anything imaginable, with limitless possibilities.

Senior Backend Engineer, Node.js

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

137 days ago

Salary

PLN24K - PLN32K / month

Seniority

Senior

Bachelor Degree5 yrs expPolishEnglishAWSDockerJavaScriptNode.jsPostgreSQLTypeScript

Job Description

Senior Backend Engineer, Node.js

CKEditor

• Design, build, and maintain backend services for CKEditor 5 - including REST APIs, real-time streaming, event-driven processing, and data persistence. • Build and maintain a multi-service architecture with message queues, caching, and async communication patterns. • Engage in code reviews, pair programming, and cross-functional collaboration to ensure the highest quality results. • Write clean, maintainable, and well-structured code, balancing readability with appropriate documentation. • Share best practices on programming standards, tools, and processes to foster continuous improvement.

Job Requirements

  • Over 5 years of software development experience.
  • Strong proficiency in TypeScript and Node.js.
  • Experience building and maintaining backend services - REST APIs, relational databases (PostgreSQL), message queues, Docker.
  • Fluency in Polish (minimum C1) and good command of English (minimum B2).
  • Excellent problem-solving skills and the ability to think critically and creatively.
  • Outstanding communication skills, both verbal and written.
  • Nice to have: Experience integrating third-party APIs (LLM providers, external services).
  • Understanding of AI/LLM concepts - prompt engineering, function/tool calling, streaming.
  • Experience with cloud infrastructure (AWS - SQS/SNS, S3, ECR).
  • Familiarity with observability tools (OpenTelemetry, tracing).
  • Curiosity about AI and willingness to learn how LLMs work.
  • Experience with event-driven architectures and real-time data processing (streaming, WebSockets, or similar).

Benefits

  • B2B contract-based monthly remuneration is 27.000 - 32.000 PLN + VAT or its equivalent on the employment contract.
  • Quarterly and annual financial bonuses depending on the company’s performance.
  • Flexible schedule and the possibility to work fully remotely.
  • Professional development resources (up to 5 days of additional leave and 6 000 PLN yearly).
  • LinkedIn Learning access.
  • Extra leave for Tiugo Day - our company’s foundation day and your birthday.
  • English lessons with a native speaker and an online language platform where you can learn English, Spanish, and German.
  • Access to a mental health and well-being platform with 24/7 dedicated psychological support.
  • Private medical care (Enel Med or Medicover) and Multisport card.
  • 2 weeks of paid parental leave for our contractors.

Related Job Pages

More Backend Engineer Jobs

Full TimeRemoteTeam 10,001+H1B Sponsor

• Develop rich client web applications with JavaScript and utilize RESTful Java, Spring, Spring boot web services • Construct, comment, unit test, and end-to-end test user interface programs, modules and components of medium complexity • Work with and develop client programs, classes and sub-systems of medium complexity • Maintain and support existing user interface applications of medium complexity • Work with Business Analysts to ensure technical design and programs satisfy business needs • Contribute to peer UI code evaluations • Implement quality assurance standards for development activities within assigned projects

India
Job Closed
Full TimeRemoteTeam 10,001+H1B Sponsor

• lead the development of complex features • involved in all stages of the project lifecycle • design, develop, and maintain scalable full-stack applications • modernize legacy systems and architectures • collaborate with architects and business stakeholders • build and maintain CI/CD pipelines using Jenkins • analyze and optimize applications for performance • write optimized queries against relational databases • mentor junior engineers • document key technical decisions • track and manage project work using JIRA • remove impediments for the team

India
Job Closed
OneTeamAnywhere logo

Backend Engineer, DICOM, FastAPI

OneTeamAnywhere

Providing dedicated IT teams to clients anywhere around the globe

Backend Engineer137 days ago
Full TimeRemoteTeam 11-50H1B No Sponsor

• Work remotely for Europe-based client • Collaborate on database projects with FastAPI endpoints • Focus on managing and processing medical data

Philippines
Platform9 Systems logo

SMTS/Staff Backend Engineer

Platform9 Systems

Platform9 is the leader in simplifying enterprise Private Clouds. Founded by a team of VMware cloud pioneers, we are dedicated to transforming IT operations. Our flagship product, Private Cloud Director, turns your existing hardware into a full-featured, future-ready private cloud. Over 30,000 nodes in production at some of the world’s largest enterprises. Inclusive, globally distributed company backed by prominent investors. Values: innovation, customer obsession, ownership, radical candor, and excellence.

Backend Engineer137 days ago
OtherRemoteTeam 51-200

MEMBER OF TECHNICAL STAFF - 1 REMOTE IN UNITED STATES About Us: Platform9: A Better Way to Go Cloud Native Platform9 is the leader in simplifying enterprise Private Clouds. Founded by a team of VMware cloud pioneers, we are dedicated to transforming IT operations. Our flagship product, Private Cloud Director, turns your existing hardware into a full-featured, future-ready private cloud. We innovate across what we build and how we deliver it, staying focused on a next-generation, open private cloud while holding ourselves to one standard: exceptional customer outcomes. Enterprises are selecting Platform9 to replace legacy virtualization because it eliminates operational risk and complexity. Private Cloud Director is designed for the experienced infrastructure team, offering a familiar GUI experience for managing VMs and containers, seamless integration with your existing hardware and third-party storage, and critical enterprise features (HA/DR, scale, reliability) built-in. This enables IT teams to gain robust API control and a user experience they trust—rooted in customer obsession and an owner’s mindset. We share context quickly and candidly to keep decisions moving. With over 30,000 nodes in production at some of the world’s largest enterprises, including Cloudera, EBSCO, Juniper Networks, and Rackspace, Platform9 is the proven path to achieving true vendor independence and operational consistency. We are an inclusive, globally distributed company backed by prominent investors, supported by a partner ecosystem of resellers, systems integrators, MSPs, and technology vendors committed to driving private cloud innovation and efficiency. Our values—innovation, customer obsession, ownership, radical candor, and excellence—guide how we build and support every deployment. Position Summary: We are seeking a Software Engineer to join our team working on our cloud-native product suite. The ideal candidate will have a strong background in computer science, be aware of cloud-native technologies, and have have a willingness to learn new technologies. Roles and Responsibilities: - Contribute to the development of cloud native products and services for our Kubernetes product ecosystem.. - Learn and collaborate with the team to design and implement the product roadmap. - Support Cloud infrastructure deployments using Platform9 products, including troubleshooting and problem resolution. Preferred Qualifications and Skills: - Bachelor's degree or higher in Computer Science or a related field. - Excellent programming skills in a major programming language. Python or Golang is preferred. - 6-15 years of experience in a software development role. - Familiarity with containerization technologies like Kubernetes is a plus. - Prior experience with OpenStack/DevStack is also a plus. - Strong understanding of computer science fundamentals with willingness to learn and build products in the cloud computing and virtualisation space. - Strong knowledge of Linux/Unix systems. - Strong problem-solving and analytical skills. - Excellent written and verbal communication skills. - Being a highly motivated self-starter with the ability to work in a highly dynamic environment. To succeed in this role, you’ will need to be a team player with a strong sense of ownership for your work and a passion for working in a data driven organisation. Benefits and Perks: Employees today are looking for companies that truly care and recognise their whole person. Platform 9's benefits and perks have been carefully designed to ensure that we take care of an employee's emotions and physical well-being. Many of our benefits extend to families, who form a significant part of our well-being at work Please note that benefits change by country. - Competitive Compensation and Equity - Medical Healthcare for you and your family - Hybrid Work Model - Wellness Benefits - Professional Development/Global certifications - Reward and Recognition Programs - Team Building Activities Our benefits have been carefully selected, keeping in mind employees requirements and personal situations now and for the future Salary Range: $150-210K/year

United States
$165K - $180K / year