Back-end Developer (TypeScript / NodeJS)

Ragnarson sp. z o. o.; Łódź; On-site; PLN 120,000 - 180,000; Full time

Job summary

A leading web development agency is seeking a Back-end Developer specializing in TypeScript and Node.js. As part of a dynamic team, you'll solve real-world problems and collaborate closely with clients. This role offers opportunities for professional growth in a supportive environment focused on impactful projects, including those addressing climate change.

Benefits

Access to company financial records

Transparent communication

Development opportunities in non-programming fields

Benefits like MacBook Pro and healthcare co-funding

Sports activities

Qualifications

• Proficiency in Node.js and TypeScript essential.
• Experience with GraphQL APIs and CI/CD tools is required.
• Fluent communication in English needed.

Responsibilities

• Solve real-life problems using technology and build applications.
• Collaborate with clients and analyze business needs.
• Maintain and improve existing applications for scaling challenges.

Skills

Node.js

TypeScript

GraphQL

ExpressJS

Sequelize

Docker

Kubernetes

GitLab-CI

PostgreSQL

Firebase-Admin

Fluent English

Job description

Back-end Developer (TypeScript / NodeJS)

Specialist (Mid / Regular), Senior Specialist (Senior)

• Wondering what would make you a better developer at this stage of your career?
• Many developers improve not only through technical skills but also by developing soft skills and a big-picture perspective. Ragnarson focuses on shaping well-rounded professionals, not just technical experts.

Your responsibilities

• Solve real-life problems using technology
• Build applications and plan them according to business requirements
• Mature and improve existing applications, addressing scale-related challenges
• Maintain friendly relationships with clients
• Collaborate directly with founders, product owners, and technical leaders
• Analyze business needs and user expectations, proposing valuable solutions and product improvements

Our requirements

• Proficiency in Node.js and TypeScript
• Experience with GraphQL APIs and libraries (e.g., TypeGraphQL, Axios)
• Hands-on experience with ExpressJS and Sequelize
• Familiarity with Docker, Kubernetes, and GitLab-CI in CI/CD environments
• Knowledge of PostgreSQL and Firebase-Admin
• Understanding of software development principles, design patterns, and clean code practices
• Fluent English communication skills (B2/C1), comfortable with international clients

Optional

• Familiarity with ReactJS and React Native is a plus

Our work organization

Our work approach

• You influence tool and technology choices
• You influence technological solutions and product development

Development opportunities

• Knowledge exchange within the company

What we offer

• Access to company financial records (income, expenses, forecasts)
• Transparent communication and documentation
• Opportunities to grow in non-programming fields (project management, customer relations, recruitment, marketing, sales)
• Benefits like MacBook Pro, healthcare co-funding, sports activities, etc.
• Founded in 2006, Ragnarson is a web development agency investing in impact-driven startups since 2019, focusing on projects combating climate change and social inequalities. We value mature individuals with broad interests, providing access to critical company information for decision-making. Aspiring technical leads can develop diverse skills and gain valuable experience in a dynamic environment.