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 Kubernetes clusters to GKE and other related GCP services.

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 past releases, their features and fixes.• 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 fault tolerance mechanism and superior parallelism and load distribution.• 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 costs.• 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 engagement with the blog site which resulted in a 20% increase in traffic.• 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.