W

William

Fullstack Developer

VerifiedVerified by our team for expertise and quality
Available
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Sweden
14 years of experience
Previously atPreviously at

Skills

Languages

SvenskaNative
EngelskaFluent

About

Socially skilled freelance consultant, best suited for teams with professionals at the helm. Unearths hidden problems through deep engagement in day-to-day work. Strongest in Engineering, with hands-on experience gained in Product and UX throughout my career.

Work Experience

Backend Developer

2025 - Present

Hedin IT

A dream match. It started with a fun get-together with a development team that turned into something more... a freelance assignment. Mature methodologies like Test-Driven Development were used in 90% of the work, resulting in bug-free deliveries. Helped unite a fragmented development team while simultaneously highlighting shortcomings within the department.

Tech Lead

2023 - 2025

Sembo Group AB

Online travel agency. Wrote approximately 50% of the code. Provided personal coaching to junior developers, which resulted in new responsibilities and increased success for them. Participated in the recruitment and onboarding of two new team members. Offered key architectural guidance to rescue a project in trouble, which led to a tenfold increase in development speed and reduced time to market.

Head of Development / Chief Technology Officer

2022 - 2023

NetConsult Sweden AB

Business development agency. Recruited 6 skilled individuals within 6 months, from job posting to hiring. Provided technical support across 7 different clients' technical landscapes, ranging from maintenance mode to MVP startup mindset. Held personnel responsibility for 10 full-stack developers across 2 development teams. High level of collaborative work between product owners, developers, UX designers, and others.

Lead Developer

2021 - 2022

Telia Sverige

Technical support for 14 development teams, primarily for www.telia.se, provided weekly through hands-on guidance and the development of automated tools and platforms. Organized events and facilitated support sessions to enhance the teams’ ability to deliver high-quality e-services. Maintained and developed a monorepo primarily used by the 14 development teams in collaboration with a platform team.

Senior Software Engineer

2020 - 2021

Telia Sverige

Led the technical transformation of the frontend for the B2B unit of telia.se, involving a total of 6 development teams. Created a micro-frontends architecture tailored to the multi-framework setup that aligned with Telia’s technical strategy.

Systemutvecklare

2017 - 2020

KITS AB

System developer, consultant. Worked on a variety of assignments for both small and large companies. Learned some of the latest technologies in use today. Served as a springboard to roles with greater responsibility.

Team Lead & Tools Developer

2015 - 2016

Hewlett Packard Enterprise

IT company – Operations. Developed 8 internal tools to improve productivity for customer service and other departments. Served as team lead for 10 customer service agents across the Nordic markets. Actively participated in process development and knowledge transfer.

Education

NTI

Jan 2007 - Dec 2009

Upper Secondary

Area: Kronhus

IT-focused high school. In addition to that, I’ve been self-taught since childhood!

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