backend engineer nodejs

Synechron is seeking a hands-on Senior Backend Engineer to design, build, and operate secure, scalable services on Google Cloud Platform. You will work across backend engineering, cloud architecture, security, and reliability while delivering production-ready code.You’ll design scalable architectures, develop event-driven systems with PostgreSQL, and own...

ALTEN Polska poszukuje specjalisty Java/Backend z 6–8 lat doświadczenia do pracy w Krakowie. Do obowiązków należy projektowanie i wdrażanie wysokowydajnych rozwiązań, integracja z systemami wewnętrznymi oraz tworzenie REST API i potoków danych.Pracujemy w modelu hybrydowym z możliwością relokacji i rozwoju zawodowego w europejskim liderze...

Qlub is seeking a Senior Backend Engineer – Payments to design, build, and operate secure, scalable payment services across gateways, transactions, and integrations with POS systems and providers. You’ll deliver backend features in Golang for customer-facing and internal platforms, ensuring reliability and security.You will collaborate with product,...

Aurora Solar, Warsaw-based hybrid role, builds backend systems powering automated solar installations. You’ll craft robust, scalable software across languages like Java, Python, and JavaScript, contributing to a platform that designs and deploys solar projects with precision and compliance.Join a collaborative, evolving tech stack and take operational...

LeoVegas Group is building a world-class Sportsbook platform and operates in a high-volume, real-time environment where speed, correctness, scalability and reliability are critical. We are seeking a highly experienced Staff Backend Engineer to lead design, development and evolution of distributed systems while staying hands-on and mentoring teams.This role...

Batgroup in Warsaw or Lisbon (hybrid) is seeking a skilled PHP Developer to join our engineering team and help build the platforms behind Batmaid and PFA. You will design, develop, test, and maintain web applications and backend services used daily by customers and cleaners, collaborating with product, data and operations to ship scalable, reliable...

Firma technologiczna w Łodzi poszukuje programisty PHP z co najmniej 3-letnim doświadczeniem w Symfony. Obowiązki obejmują tworzenie kodu backendowego dla systemu bazodanowego Muza oraz weryfikację jakości kodu. Oferujemy konkurencyjne wynagrodzenie, elastyczne godziny pracy i możliwość całkowitej pracy zdalnej. Jeśli masz doświadczenie w REST...

An international advisory firm seeks a Senior Backend Developer in Warsaw, Poland. This fixed-term role involves developing a DataHub and creating efficient ETL processes using Spark and Scala. Candidates should have a minimum of 7 years of programming experience and proficiency in BigData technologies. The position offers a permanent contract, training, and...

GFT Poland is seeking an Expert Backend Consultant (Python & Java) with AI/ML skills for a hybrid role in Kraków. You will design and implement production-grade AI and GenAI solutions, integrating Python services with existing Java ecosystems and contributing to enterprise-scale architecture.The role requires 5+ years in software engineering, hands-on...

b3consultingpoland in Poland is seeking an experienced Python Backend Developer to join a greenfield banking project. You will design, develop and maintain backends that present financial data using Python and PostgreSQL, building high-performance data processing pipelines.You will create and maintain Python libraries, write unit and integration tests, and...

Piano is seeking a senior individual contributor for its Customer Data Platform team in Warsaw. You will work on a high-throughput event pipeline, Elasticsearch-backed search, and sandboxed execution of customer logic with Claude Code.This AI-first environment emphasizes ownership, CI/CD with Helm and FluxCD, and cross-team collaboration with product and...

Luxoft is seeking an experienced backend engineer in Kraków to design, develop, and operate microservices on Azure. You will build REST APIs, integrate with messaging systems, and drive cloud-native deployments using AKS and Terraform.Strong Java 11+ and Python skills, plus Linux scripting, are essential for delivering scalable, resilient systems. You will...

Autodesk Operations Solutions in Krakow is seeking a Senior Principal Software Engineer (Backend/Full Stack) to shape platform strategy and deliver scalable cloud-native services. This high-impact role combines technical leadership with hands-on development across Go, C++, and React, in a hybrid environment.You will mentor engineers, drive architectural...

Inetum Polska is seeking a Senior Python Software Engineer to join our team in delivering backend features within a microservices architecture. You will develop AWS Lambda functions, design REST APIs for web and mobile applications, and integrate with AWS services such as DynamoDB, SQS, Cognito, S3, and CloudWatch.The role requires collaboration with...

Job Requisition ID # 26WD96547 Senior Principal Software Engineer Location: Krakow, Poland (Hybrid)Position Overview Autodesk makes software for people who design and make the world around us. From advanced manufacturing, sustainable buildings and resilient infrastructure to media experiences, Autodesk empowers innovators to solve complex challenges through...

TestYantra Software Solutions in Warszawa is seeking a backend/data pipeline engineer with strong Python skills to build REST services using FastAPI. You will design and implement scalable ETL workflows, work with PostgreSQL databases, and own CI/CD pipelines.You will collaborate across teams, apply best practices for code quality, testing, and...

MARGO, a leading financial institution in Poland, is seeking a seasoned Senior .NET Developer to join our engineering team. You will focus on backend ecosystem development using C#, .NET, and SQL to support critical banking operations.The role offers a hybrid work model, requiring only 2 office days per month, ensuring a balanced work-life. Ideal candidates...

Vytwo is seeking a Sr. SFCC Backend Engineer for a remote position lasting 6+ months. The ideal candidate will have over 8 years of backend development experience, including at least 2 years in Salesforce Commerce Cloud (SFCC). Responsibilities include designing backend functionalities, optimizing SFCC architectures, and ensuring integrations with...

RubyPlay Limited is hiring a Java Services Engineer to join our Game Services team. You will help design and optimize backend services, collaborate with designers, product teams and client developers to deliver world-class gaming experiences.We value strong Java expertise, distributed systems know-how, and excellent English communication as you’ll work...

RubyPlay Limited in Warsaw offers a remote-first role within the Engineering Team. As a Backend Java engineer, you will design scalable, low-latency game services and APIs while collaborating with game designers, product teams, and client developers.The team focuses on high-throughput systems, distributed simulations, and performance tuning, with...