Senior Backend Engineer

JavaScript

Bednarska 1, Poznań+2 Locations

Bitnoise

20 000 - 25 000PLN

Net per month - B2B

Full-time

B2B

Senior

Remote

Tech stack

English

B2

TypeScript

advanced

Backend

advanced

RDBMS

advanced

Message brokers

regular

Node.js

regular

Job description

A stable, Europe’s fastest-growing HR tech start-up from Berlin. The largest recruitment platform in Europe. The platform is constantly developed, and new functionalities are created.

THE TEAM: is an international one. In addition to the Bitnoise development team, consisting of 10 programmers, there are also teams in Berlin.

PROJECT BONUS: Great independence and decision-making. Partner relations with the product owner. Possibility of external promotion. Flexible time management - you plan your day yourself. The most important thing is that you participate in the meetings.

HIGH SENIORITY OF THE TEAM: The average experience of the developers working on the project is 8 years.

TECH STACK IN THE PROJECT: TypeScript, Node.js, React, Next.JS, GraphQL, gRPC, Postgres, Jest, Cypress, CircleCI, Google Cloud, Kubernetes

ABOUT BITNOISE: for over 15 years, Bitnoise has offered long-term software projects and elite, stable development teams for the long run. Together, we form a team of almost 40 specialists. Our headquarters is in Poznań. We work in a supportive environment, gladly sharing our knowledge and confronting our ideas as partners.

YOUR TASKS:

• Participate in architectural design and decision-making
• Solve challenges including separation of concerns, data management, patterns application,
• Take a product assignment and lead it to completion, and be responsible for planning, development and delivery in a Kanban board process
• Collaborate, and share knowledge with other Engineers, POs and C-level executives, while playing a key role on the Bitnoise side of the team,
• Always think about the product and find ways to improve the experience of our clients

REQUIREMENTS:

• 6+ years of backend development experience in total (any strongly typed language or TS)
• Strong experience with any RDBMS (either raw queries or via ORM)
• Good unit/integration testing experience
• Experience with message brokers (SNS/RabbitMQ/Kafka/Google PubSub/etc...)
• Communicative English and Polish (min. B2)
• Willing to work with NodeJS

NICE TO HAVE:

• Experience with GraphQL
• Experience in GCP or AWS
• Experience with gRPC framework and proto buffers
• Good understanding of SOLID principles

WHAT WE OFFER:

• Salary in the range of PLN 20,000 - 25,000 net + VAT for B2B contracts
• Hybrid work in Poznań, or 100% remote
• 20+ paid days off and sick days
• We work on MacBooks
• Full paid private medical care
• Full paid private mental health care (HearMe)
• Interesting tasks and opportunities to stay current with industry trends and standards

Published: 06.08.2025

Office location