Senior Backend Developer- .NET
Charger Logistics Inc · Brampton, Canada· Senior
Product Analyst (Consumer Analytics)
allegrospz · Warszawa, PolandHybrid
Product Analyst (Consumer Analytics)
allegrospz · Warszawa, PolandHybrid
Senior Software Engineer (Java / Kotlin) - Product Page
allegrospz · Toruń, Poland· Hybrid · Contract · Senior
Senior Software Engineer (Java / Kotlin) - Product Page
allegrospz · Toruń, Poland· Hybrid · Full-time · Senior
Database Infrastructure Engineer
CERN (European Organization for Nuclear Research) · Geneva, SwitzerlandHybrid · Contract
Software Engineer - Cloud Platform (Networks)
Neo4j · London, United KingdomHybrid
Senior PostgreSQL DBA
Tranzeal Inc. · West Los Angeles, USOn-site · Full-time · Senior
Observability DevOps Engineer - RDT Digital Operations and Reliability
Roche · Madrid, SpainFull-time · Mid
Software Engineer 1
allegrospz · Warsaw, Poland· Hybrid · Full-time · Entry
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Charger Logistics Inc · Posted Nov 9, 2026
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Senior Backend Developer- .NET
Design, develop, and optimize high-performance backend microservices using .NET Core/C# Implement distributed tracing, logging, and metrics for observability using tools like OpenTelemetry, Prometheus, and Grafana Optimize service-to-service communication and database access to reduce latency and improve throughput Write scalable SQL queries and optimize PostgreSQL usage, indexing, and connection handling Contribute to service discovery, dynamic routing, and rollout strategies (e.g., blue/green, canary) Nice to have: Istio Nice to have: Consul Nice to have: Event Sourcing Nice to have: CQRS Nice to have: DDD Healthcare Benefit Package allegrospz · Posted Nov 9, 2026
Analyze large datasets to discover patterns and dependencies that impact key areas for the company and provide guidance to improve the shopping experience for Allegro customers.
Annual bonus based on your annual performance and company results.
Analyze large datasets to discover patterns and dependencies that impact key areas for the company Demonstrate how user behaviors and attitudes shape and evolve Participate in the creation of business solutions and provide recommendations Nice to have: Experience in e-commerce allegrospz · Posted Nov 9, 2026
Analyze large datasets to discover patterns and dependencies that impact key areas for the company, demonstrate how user behaviors and attitudes shape and evolve, and participate in the creation of business solutions to shape Allegro.
Annual bonus based on your annual performance and company results.
Analyze large datasets to discover patterns and dependencies that impact key areas for the company Demonstrate how user behaviors and attitudes shape and evolve Participate in the creation of business solutions and provide recommendations Nice to have: Experience in e-commerce allegrospz · Posted Nov 9, 2026
Design, build, and optimize high‑availability backend systems for Allegro’s checkout and purchase path.
Design, build, and optimize systems that handle thousands of requests per second Work in a cloud‑native environment (GCP) using Java, Kotlin, Spring, MongoDB, microservices, and Airflow Own microservices from design to deployment in an agile, autonomous team Collaborate with product managers to analyze requirements and drive business initiatives Participate in on‑call rotation to ensure system stability Nice to have: advanced database skills Nice to have: MongoDB allegrospz · Posted Nov 9, 2026
Design, build, and optimize high‑availability backend systems for Allegro’s checkout and purchase path.
Design, build, and optimize systems that handle thousands of requests per second Work in a cloud‑native environment (GCP) using Java, Kotlin, Spring, MongoDB, microservices, and Airflow Own microservices from design to deployment Collaborate with product managers to analyze requirements Participate in on‑call duty to ensure system reliability Nice to have: advanced MongoDB CERN (European Organization for Nuclear Research) · Posted Nov 9, 2026
Manage and automate PostgreSQL and MySQL databases supporting CERN’s LHC experiments, accelerator operations and organisation‑wide services.
A competitive salary (tax free), increasing in line with your years of relevant experience.
Operate and improve production PostgreSQL and MySQL databases: troubleshooting, upgrades, migrations, patching and scaling. Help design, deploy and run highly available database setups with automated failover. Automate provisioning, configuration and routine operations using scripting and infrastructure tools. Monitor databases for performance, stability, availability and security. Contribute to backup, disaster recovery and service continuity strategies. Master's Degree in Computing Science or equivalent Neo4j · Posted Jun 25, 2026
Collaborate with your team to design, develop, and maintain the cloud networking foundation that powers our cutting‑edge solutions.
Design, develop, and maintain the cloud networking foundation Partner closely with teams across Neo4j’s cloud organization, Aura Shape and deliver an ambitious roadmap for cloud networking as we scale globally Tackle complex engineering challenges in a rapidly growing area of focus Directly influence the performance, reliability, and scalability of our platform Nice to have: Multi Tenancy Environments Nice to have: GCP Private Service Connect Nice to have: AWS/Azure PrivateLink Nice to have: Writing Kubernetes Operators Nice to have: Kubernetes internal networks (Cilium, eBPF, Traefik, Calico, Linkerd, Istio, Consul) Tranzeal Inc. · Posted Nov 6, 2026
Senior PostgreSQL DBA responsible for design, availability, performance, and security of production PostgreSQL estate hosted in Microsoft Azure.
Design, deploy, and operate zone-redundant high availability on Azure Database for PostgreSQL flexible server Design and operate active-active topologies across Azure regions Provision and manage Azure Database for PostgreSQL flexible server via portal, CLI, Terraform, etc. Configure networking, authentication, and security for Azure PostgreSQL Manage compute and storage tiers, backup, and recovery Bachelor's degree in Computer Science or related field Nice to have: Microsoft Certified: Azure Database Administrator Associate (DP-300) Nice to have: Azure Solutions Architect Expert (AZ-305) Nice to have: Red Hat Certified System Administrator (RHCSA) Nice to have: Azure Database Migration Service Roche · Posted Nov 6, 2026
Optimize and automate deployment and management of platform and cloud-based services within Roche’s Digital Operations and Reliability team.
Drive the design, implementation, and maintenance of efficient CI/CD pipelines Deploy and manage application underlying infrastructure using IaC principles Implement robust monitoring and observability solutions such as Grafana Cloud Adopt DevSecOps practices and implement security controls Translate high-level product strategies into concrete development tasks Technical degree or equivalent practical experience allegrospz · Posted Nov 6, 2026
Software Engineer role focused on the Recommendation team, working with microservices, ML infrastructure, and high-performance systems.
PLN 11 200 - 15 250 (contract of employment, tax-deductible cost)
Design, build, and optimize systems that handle thousands of requests per minute Join an agile, autonomous team with full ownership of microservices, from design to deployment Build infrastructure for serving ML models Integrate BigQuery, Apache Spark, and Vector Search databases Create tools for recommendations on Allegro Nice to have: ML Engineering Nice to have: Distributed systems Flexible working hours in the hybrid model (4/1) 30 days of occasional remote work Annual bonus based on performance Well-located offices with fully equipped kitchens, bicycle parking, terraces MacBook Pro or Dell with Windows
Flexible working hours in the hybrid model (4/1) 30 days of occasional remote work Annual bonus based on performance Well-located offices with fully equipped kitchens, bicycle parking, terraces MacBook Pro or Dell with Windows
Flexible working hours in hybrid model 30 days occasional remote work Annual bonus Long‑term discretionary incentive plan based on shares Well‑located offices with amenities
Flexible working hours 30 days occasional remote work Annual bonus Long‑term incentive plan based on Allegro.eu shares Well‑located offices with kitchen, bicycle parking, terraces
Health insurance scheme CERN Pension Fund 30 days paid leave per year plus 2 weeks annual closure Relocation package (installation grant, removal, travel expenses)
Flexible working hours 30 days of occasional remote work Long term discretionary incentive plan (RSU shares) Annual bonus Well-located offices
Database Infrastructure EngineerCERN (European Organization for Nuclear Research) · Geneva, Switzerland
Software Engineer - Cloud Platform (Networks)Neo4j · London, United Kingdom