Henry Baldursson Email & Phone Number

Kópavogur, Capital Region, Iceland

• Working in the R&D division on platform and infrastructure related tasks. Reduced infrastructure procurement time from 10 hours to 10 minutes (98% reduction) by using Terraform and GitLab CI/CD pipelines to deliver.

Reykjavík, Capital Region, Iceland

• Helping clients achieve success in digital transformation and adoption of Amazon Web Services.
• Developing Infrastructure-as-Code using Terraform, Terragrunt and AWS Serverless Application Model (SAM). Reduce infrastructure cost by 30%, and increase service availability by 0.099%.
• Development of Continuous integration and continuous deployment pipelines in Github, Gitlab and AWS CodeDeploy providing clients a developer experience that increases their confidence, release cadence and visibility of.
• Taken multiple clients from 0 to 100% Infrastructure as Code with automated linting and security scanning of infrastructure.

Iceland

• Improved the main software development project from 0% to 79% line coverage in automated tests.
• Improved uptime from 99.82% to 99.99% by migrating workflows between hosting partners.
• Began the directorate's transformation of on-prem to cloud (AWS) with a stop in vCloud.
• Improved existing infrastructure with Cloudflare, Puppet management, Kerberos, NFS and redundant Postgres.
• Setup automated vulnerability scanning, continuous backups and Web Application Firewalls to improve our security posture.

• Software contracting, mostly in web development and short-timescale backend work.
• Created a websites for judo.is for Reykjavik Judo Club and Xeinn, a advertising agency.Rewriting proof-of-concept code for startups to achieve better scalability and assisting companies with hosting and analytics.
• Consulted on a security product based on REST APIs and Swagger at 42 Crunch in 2017, developing feature requirements for the product which provides inter-system security posture features for industry compliance.

Reykjavik, Iceland

• Lead developer on a Python/Flask RESTful backend for an influencer marketing platform for Instagram-based brand campaigns.
• Maintained a ≥ 98% code coverage in testing and 100% API documentation using Swagger.
• Developed data mining applications for automated influencer recognition and classification.

Iceland

• As employee #3 developed a screen-sharing proof-of-concept into a scalable service.
• Rewrote the server from Node.js to Erlang/OTP using Cowboy and Mnesia, which improved peak user concurrency by around 400%, reduced response time by 30% and increasing uptime from 99% to 99.9% through Erlang's built in.
• Developed patent pending screen sharing technologies.
• Designed UI experience from both ends showing important indicators to viewers such as mouse position and clicks and giving broadcasters a preview of the stream.

Reykjavík

• Developed mediation software, charging gateway functions, rating and monitoring applications in Siminn's infrastructure division, resulting in automation of 900,000 transactions per day and 20% reduction in operating.
• Implemented a charging gateway in Erlang that accepted GTP' streams from GGSNs to support legally mandated data throttling for roaming users.
• Reduced maximum time from exceeding threshold to throttling from 24 minutes to 1 minute or a 95.83% improvement in response time.

Reykjavík, Iceland

• Developed a synchronous SMPP library in Python for use in automated SMS reception and transmission.
• Developed an OTA configuration for cell phones using OMA standards.
• Developed SMS value added services for cellular clients.
• Developed billing and mediation procedures providing automation in the processing of business data.
• Developed various support functions for cellular system such as telephone number transfers.

Reykjavík, Iceland

• System administration for the Eplica CMS system in a Linux, Windows Server, Tomcat, MySQL, Apache and Oracle.
• Java/J2EE programming and optimisation for features and high-availability for big corporations, government and municipalities.
• Agile work environment with both Kanban and Scrum processes for high code quality and visibility.
• Developed, tested and deployed executables with a success rate of 98% for 20 distributed sites.

• Innovation and development of web based solutions in Perl/Mason, SQL, Javascript, and SOAP.
• Developed blog.is, a national blogging system which linked people's blog entries into browsable categories. Created a feature for blogging news articles from a news site providing links back and forth to drive.
• Developed various other websites, including pages for the Soccer World Cup 2006, included live game text streaming.

• Devised and developed Intelliwall, a smart Layer 2 Web Application Firewall, as a team leader.
• Developed classifiers and filters for web requests and a Back-propagation Neural Network for unseen threat detection where competitors relied on whitelisting and blacklisting techniques.
• Developed heuristics to detect threats to web applications.
• Improved accuracy of attack detection system by 17%, reduced false positive rate by 20%, and increased detection rate of malicious traffic by 35%.

• Wrote software for Gavia, an Autonomous Underwater Vehicle.
• Developed software for camera, iridium modem and acoustic modem modules.
• Developed failsafe procedures for lost subs and limited connectivity scenarios.
• Utilized C++ and Python to design, implement and test system, with optimized code execution time and space complexity reducing task time by 40%.

• Developed RealSentry, an Early Layer 4 (Layer 7 ISO/OSI) web application firewall.
• Wrote a Linux kernel module for packet capture and various tooling for a plug and play experience in detecting and stopping web based attacks.
• Research of adaptive techniques for threat detection specifically for polymorphic shellcode.
• Developed content analysis of polymorphic shellcode to better distinguish malicious code from benign code segments, resulting in a detection rate of 93% and reducing measured overall attack success rate to 0.02%.

• Developed RealSentry, an Early Layer 4 (Layer 7 ISO/OSI) web application firewall.
• Wrote a Linux kernel module for packet capture and various tooling for a plug and play experience in detecting and stopping web based attacks.
• Research of adaptive techniques for threat detection specifically for polymorphic shellcode.
• Developed content analysis of polymorphic shellcode to better distinguish malicious code from benign code segments, resulting in a detection rate of 93% and reducing measured overall attack success rate to 0.02%.

Bachelor Of Science - Bs, Computer Science, 9.17

Got my degree in Computer Science alongside a full-time position between fall of 2020 and spring of 2023

Computer And Information Sciences, General

Validation of computer science and IT knowledge via practical assessment. Full credits awarded.