Jacek Raczkiewicz work email
- Valid
- Valid
Jacek Raczkiewicz personal email
- Valid
Jacek Raczkiewicz phone numbers
Innovative and Results-Driven Chief Technology Officer(CTO) with a strong technical backgroundAs a forward-thinking CTO with a passion for technology and strategic vision, I thrive on driving impactful product initiatives that propel organizations to new heights. I specialize in conceptualizing, developing, and delivering cutting-edge solutions that meet and exceed business objectives.My strengths include:- Problem-Solving: Known for my analytical mindset and ability to navigate complex challenges, I excel in identifying opportunities, mitigating risks, and finding creative solutions that help archive business goals in the organization.- Strategic Product Development: Experienced in orchestrating the end-to-end product life-cycle, from gathering business requirements, through defining technical specification, overseeing development, finally successfully launching products and features to the production and analyzing the impact of the changes.- Technical Leadership: Adept at fostering a culture of innovation and collaboration within engineering teams, inspiring them to push boundaries and achieve excellence. I strongly believe in leading by example and mentoring to help maximize the potential of my team members.- Agile Methodologies: Proficient in implementing agile methodologies to ensure rapid development cycles, quick iterations, and continuous improvement.- Stakeholder Engagement: Skilled in effectively communicating technical concepts to non-technical stakeholders, building consensus, suggesting alternative solutions to the problems to maximize impact-to-cost ratio.
-
Chief Technology OfficerVelove Jul 2022 - PresentStockholm, SeAs a CTO in a small scale-up company my responsibilities are very broad allowing me to learn and improve many skills. My responsibilities include:- defining system/feature requirements making sure they are are aligned with business goals,- providing technical specification/solutions to the team of developers - managing external integrations, overlooking entire integration process,- adjusting system architecture if needed,- creating data reports used across all roles in the company- leading my team and helping them to develop- mentoring my team where I can serve with my experience, and also learning back from them- hands on codingMy Achievement: - Led the strategic development and successful launch of entire B2C platform from the "the idea" to fully functioning product tightly integrated into existing systems and company processes, that significantly contributed to revenue growth and market expansion into completely new consumer segment.- Implemented robust engineering processes and best practices, resulting in accelerated product delivery timelines and improved overall efficiency.- Migrated entire development from external consultant companies into in-house fully operational team.- Established a culture of innovation and continuous learning, fostering a dynamic environment where team members are empowered to innovate and take ownership. -
Senior Developer / Technical LeadFoodora Jun 2020 - Jul 2022Berlin, DeI am responsible for entire backend systems: API and infrastructure of servers and services. My key projects:- migrated and redesigned projects from 'one-server architecture' in DigitalOcean to AWS serverless and scalable architecture using ECS Fargate and docker,- fixed some architectural flaws in the process of migration (single point of failure, lack of DB backup, lack of fail-safe DB, static servers not very optimal for performance use),- resized server sizes according to the current needs,- developed CI/CD using GihubActions,- consolidation of services - dropped legacy projects and migrated remaining functionalities to new API, removed some of external services,- day-to-day features and supportTechnologies and services I was working with:- php framework Laravel,- docker- mysql,- haproxy,- nginx,- Amazon Web Services (EC2, ECR, ECS/FARGATE, ALB, NLB, SES, REDIS CLUSTER, RDS, Route53, Gateway API, LAMBDA/node.js, CloudWatch) - Google Cloud (Storage, Maps API)- Sendgrid- DNS: Cloudflare/binero/loopia- Little plugins for AWS Lambda in node.js -
Senior Web DeveloperPrimehit Ab Nov 2015 - Jun 2020Responsible for full platform, my tasks include:- moving system to horizontally scalable cloud architecture using Amazon Web Services,- improving system core logic - self learning logic, optimizing costs, more atomic tasks executed asynchronously via robust queues,- developing and keeping up to date libraries connecting to external API: Google Adwords API, Facebook API, Bing API,- improving our API and writing documentation,- fixing minor issues with our Angular frontend.Daily working with the full spectrum of technologies such as PHP, PostgreSQL, AWS (EC2, RDS, SQS, SES, CodeDeploy), Nginx, REDIS, GitHub, Asych processing.
-
Partner & CtoZmash- We Connect Brands With Talents Through Conversations Sep 2018 - May 2019Stockholm, Stockholm County, SeMy responsibilities at zmash include designing and developing scale-able platform to automate recruitment process by screening candidates via simple conversation and delivering real-time reporting to the customer.Platform consist few parts that I'm fully responsible for:- client customize-able (via dynamic CSS) bot that can be integrated into any page (for example job listing) written in Angular 5- wordpress backend where dynamic conversation flow is setup. Conversation can look differently based on previous answers. This part is developed over Wordpress with customized plugins, I used php and MySQL.- reporting page with results and candidate conversations - developed using PHP and MySQL. -
Senior Web DeveloperAlatest Mar 2015 - Nov 2015Stockholm, Se- developing new features for B2B backend,- maintaining and optimization of existing PHP code,- writing phpUnit tests for existing code,- writing data migration scripts -
Php / Sql DeveloperSkycore Llc Nov 2003 - Mar 2015Waltham, Ma, Us- Designing, implementing and deploying new features for existing system meeting new requirements,- Profiling and optimization of open source MMS gateway (mbuni) written in C to increase the stability and performance, migration from single machine gateway into scalable multi-platform system,- Writing API for customers/designing the architecture to support high load without dropping any requests, load testing and optimizing the API using loader.io software to meet perormance requirements (latency and throughput),- Optimization of slow php code and SQL queries,- Database sharding, table partitioning,- Creating functions for PostgreSQL using PL/SQL- Profiling and optimizing open source MMS gateway written in C from single box architecture to high-availability, high-performance, load-balanced server array.Increased its performance from 1tps to 10tps using same hardware,- Writing bulk Encoding Video commands (for ffmpeg) to encode videos working on different types of handsets using different OS- Working with Amazon Web Services,- Migration from local storage to Amazon Simple Storage System -
DeveloperGoeuropa Jan 2010 - Dec 2010Developing tools to convert different formats of public transportation timetable databases to unified google GTFS format
Jacek Raczkiewicz Skills
Jacek Raczkiewicz Education Details
-
Agh University Of KrakowComputer Science
Frequently Asked Questions about Jacek Raczkiewicz
What company does Jacek Raczkiewicz work for?
Jacek Raczkiewicz works for Velove
What is Jacek Raczkiewicz's role at the current company?
Jacek Raczkiewicz's current role is CTO at Velove.
What is Jacek Raczkiewicz's email address?
Jacek Raczkiewicz's email address is ra****@****hoo.com
What is Jacek Raczkiewicz's direct phone number?
Jacek Raczkiewicz's direct phone number is +161731*****
What schools did Jacek Raczkiewicz attend?
Jacek Raczkiewicz attended Agh University Of Krakow.
What are some of Jacek Raczkiewicz's interests?
Jacek Raczkiewicz has interest in Traveling, Reef Aquarium.
What skills is Jacek Raczkiewicz known for?
Jacek Raczkiewicz has skills like Php, Postgresql, Linux, Sql, Agile Methodologies, C, Xml, Soap, Javascript, Web Services, C++, Html.
Free Chrome Extension
Find emails, phones & company data instantly
Aero Online
Your AI prospecting assistant
Select data to include:
0 records × $0.02 per record
Download 750 million emails and 100 million phone numbers
Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.
Start your free trial