Marcin C.

Marcin C.

Backend-udvikler

Toppræstation 8.5/10
Spain
Betroet medlem siden 2022
10 års erfaring

Gennem hele sin karriere har Marcin samarbejdet med Proxify kunder om høj-effekt projekter, konsekvent levere pålidelige og effektive løsninger. Han udmærker sig ved at designe robuste, skalerbare, og holdbare softwaresystemer, anvende SOLID principper og design mønstre til at omdanne produktkrav til høj kvalitet, udvidelige løsninger.

Hovedekspertise

.NET.NET10 år
C#C#10 år
.NET Core.NET Core8 år
API10 år
27+

Erfaring8

Solution Architect / Tech Lead

Proxify AB
HR and Recruitment
Jun 2023 · 2å 10m
  • Designet og implementeret omfattende infrastruktur i Azure, forbedre skalerbarhed og ydeevne.
  • Udviklede og vedligeholdt effektive CI/CD-rørledninger i Azure DevOps, strømlining af udviklingsprocessen.
  • Led migration af en arv WinForms projekt til .NET MAUI, modernisering af anvendelsen og forbedring af cross-platform kompatibilitet.
  • Implementerede robuste logningssystemer og brugsdataindsamlingsmekanismer til at indsamle værdifulde indsigt.
  • Oprettet en web-applikation til at visualisere og analysere statistik fra indsamlede data, forbedre beslutningsprocesser.
  • Administreret end-to-end udviklingslivscyklus, fra infrastruktur design til anvendelse implementering og overvågning.
Azure Blob storageAzure Blob storage
.NET Core.NET Core
BlazorBlazor
API
Azure Web AppAzure Web App
.NET MAUI.NET MAUI

Senior Software Developer

Proxify (EyeC GmbH)
Information Technology (IT) and Services
Dec 2022 - May 2023 · 5m
  • Udviklede og vedligeholdte CI/CD-rørledninger til Kubernetes-baserede mikrotjenester.
  • Implementerede overvågnings- og varslingssystemer ved hjælp af Prometheus og Grafana, hvilket reducerede nedetiden.
  • Administreret infrastruktur ved hjælp af Terraform og Docker.
DockerDocker
KubernetesKubernetes
GrafanaGrafana
TerraformTerraform
.NET Core.NET Core
Sword Group

Azure Solution Architect / Engineer

Sword Group
Information Technology (IT) and Services
Oct 2022 - Jan 2023 · 3m
  • Bygget og forvaltet Azure DevOps rørledninger til CI / CD og release management arbejdsgange.
  • Oprettet dev/test/prod infrastruktur som kode ved hjælp af Azure CLI og relaterede deployment værktøjer (Bicep).
AzureAzure
.NET.NET
Azure QueueAzure Queue
DevOpsDevOps
API
Azure CloudAzure Cloud

Senior Software Developer (Contract)

Hedder, London
Information Technology (IT) and Services
Jul 2021 - Apr 2022 · 9m
  • Serveres som en nøgleudvikler i Scrum holdet, planlægning og gennemgang af sprints og udførelse af agile retrospektiver baseret på optagne målinger og mæslinger.
  • Arkitekteret, designet og implementeret meget skalerbar back-end Web API'er i Azure cloud ved hjælp af Azure Funktioner, Azure Søgning, Azure SQL, SignalR, Azure Service Bus (MassTransit), og Azure Static Web Apps.
  • Designet og implementeret front-end komponenter ved hjælp af React i henhold til strenge UX og kode-kvalitet krav, med MobX til statshåndtering og React Forespørgsel om data-synkronisering.
  • Udformet UI ved hjælp af Material UI og Flex, anvendt Design Tokens og Storybooks, og opnået høj test dækning med Jest og Cypress.
  • Opgraderede back-end-løsningen fra .NET Core 3.1 til 6.0 og Entity Framework Core 6.
  • Implementerede CI/CD-rørledninger, infrastruktur-as-kode og automatiserede integrationstestværktøjer.
  • Optimeret API anmodninger og SQL forespørgsler og implementeret server- og klient-side caching.
  • Erstattet Microsoft Azure B2C med en Identity Server udbyder ved hjælp af OpenID Connect og OAuth 2.0 protokol.
SQLSQL
AzureAzure
.NET.NET
MobXMobX
.NET Core.NET Core
6+

Senior Software Developer (Contract)

CBRE, London
Real Estate
Feb 2019 - Jun 2021 · 2å 4m
  • Architected, designed and extended the Azure PaaS architecture to support new features, using Azure Functions, Azure Service Bus, Event Hub and Event Grid, ensuring elastic scalability, availability and reliability under intense load and usage peaks of up to 100k users.
  • Designed and developed a world-leading, enterprise-level Data Centre Risk Management and Reduction system, rolled out globally across all data centres for the world's largest commercial real estate corporation, reducing the risk of mechanical, electronic, process and human failure and reducing unplanned incidents closer to zero using predictive analytics.
  • Increased developer productivity and experience by configuring and maintaining the build and release pipelines as code, infrastructure-as-code using ARM templates and zero-downtime deployment of the distributed infrastructure to multiple paired regions for disaster recovery and resiliency.
  • Designed a highly efficient data architecture using Cosmos DB through effective partitioning, geo-replication, multi-master consistency model and heavy use of Change Feed to build materialised views, data aggregations and replications.
  • Improved Code Coverage by coaching the development team on coding practices such as TDD, Unit and Integration Testing, Load Testing and automated UI testing, integrating testing into the CI/CD pipelines to ensure code quality, stability and the ability to fail fast.
  • Built an internal tool utilizing Vue.js, using Pinia for state management.
Vue.jsVue.js
MongoDBMongoDB
AzureAzure
.NET.NET
Azure Blob storageAzure Blob storage
4+

.NET Developer

White-Springs, Banbury
Information Technology (IT) and Services
Oct 2016 - Feb 2019 · 2å 4m
  • Developed multi-tenanted CRM system using React, Node.js and Microsoft stack in collaboration with global Sales Performance Improvement organisations, reinforcing Sales Training through development, enablement and assessment of sales teams.
  • Designed and implemented advanced licence usage and analytics platform from scratch, capturing stakeholder and product owner requirements using big data and Salesforce integration to produce a system to drive adoption and increase sales and revenue.
  • Modernised and integrated a suite of disparate, legacy Sales Training systems into a cutting-edge, intelligent and predictive Sales platform used by over 18,000 end users daily.
  • The designed SQL database schema, normalised beyond the third standard form, implementing and optimising stored procedures using advanced query optimisation techniques.
  • Automated core development, test and deployment processes using CI/CD pipelines in Azure DevOps.
Angular.jsAngular.js
React.jsReact.js
Node.jsNode.js
SQLSQL
AzureAzure
4+

.NET Developer

Next-Soft, Wroclaw
Information Technology (IT) and Services
Aug 2014 - Sep 2016 · 2å 1m
  • Designed and implemented greenfield business applications in ASP.NET and Javascript with REST web services and a SQL 2014 database for several SME, corporate and governmental end clients, working to strict deadlines, data security, scalability and performance requirements.
  • Conducted regular demonstrations, reviews and planning meetings with key clients.
JavaScriptJavaScript
MSSQLMSSQL
SQLSQL
ASP.NETASP.NET
REST APIREST API

.NET Developer

Freebets4all
Sports
Aug 2012 - Sep 2016 · 4å 1m
  • Worked alongside the technical director and business development manager to design and architect the UK’s leading matched betting strategy portal from conception.
.NET.NET

Vurderinger

Ingeniørmæssig fremragendehed

Marcin samlede præstation i en 90-minutters teknisk vurdering i realtid er blandt de top 5% bedst kontrollerede Backend-udvikler hos Proxify.

Uddannelse

Nottingham Trent University
Nottingham Trent University
Multimedia Engineering2012 - 2014
Nottingham Trent University
Nottingham Trent University
Computer Science2008 - 2012

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