Pär Henriksson
Full-stack Developer | React & Node Specialist | WordPress Expert
Contact
parameter64@proton.me
+46 73 87 909 24
Uppsala, Sweden
Skills
FRONTEND
BACKEND
CMS ECOMMERCE
OTHER
SOFT SKILLS
About
Experienced developer with a strong background in frontend and backend development, specialized in React, Node.js, and WordPress. Over 15 years of freelance and in-house work spanning startups, e-commerce, gamification platforms, and educational projects. Skilled at leading teams, prototyping, accessibility (WCAG, GDPR), and troubleshooting complex infrastructure. Known for bridging design, development, and business needs while keeping projects moving.
Experience
Tech Lead / Backend Lead
Discgolf App (React Native)
2025-09-01 – Present
- A frisbee thrower and youtuber contacted me and asked me to be lead of backend architecture for a React Native app that gamifies a fast-growing sport; this includes technical direction and coaching a frontend collegue.
- To support the frontend I have been designing and implementing Node.js/Express APIs with MongoDB and making sure the whole comes together.
- Built a UI for adding one of the most important objects in the app so the whole team can work on them and share experiences.
- Out goal is to have a beta-version out for a discgolf-event in the spring of 2026.
Supporting a vibe-coder
Finalized an ai-coded python application with LLM-integrations
2025-08-01 – 2025-11-26
- A young entrepreneur asked me to help him finalize an educational and practical email security application.
- The application is using open source self hosted LLM models from huggingface (AI) and openAI API, a simplistic frontend and a backend in python/flask.
- It is now deployed on railway and my client can start intervjuing users for feedback.
Tech Lead / founder
Bidstacker (Startup)
2023-06-25 – Present
- A B2B marketplace startup in the construction industry aiming to optimize the supply chain.
- Bidstacker is a an advanced quote and bidding platform built using React, NextJS with a mongodb database.
- Led and mentored three trainees, developing leadership and agile team skills.
- Built realtime microservices (Node/Express/WebSockets) for client notifications.
Startup MVP
Booking Application (Startup Prototype, MVP)
2023-09-01 – 2024-01-01
- A startup in the club and restaurant field asked me to help them develop a prototype.
- A booking system for clubs/restaurants, handling gig invitations via SMS and app notifications.
- The application has a custom interactive calendar showing the users bookings and some metadata to make planning the owners events easier.
Support, monitoring and development
svenskaalarm.se
2024-09-01 – Present
- Svenskaalarm needed to get out of their current deal for support and development and wanted me to take over.
- Since then we have been building new functionality and monitoring servers to make sure everything is always online and updated on cpanel and wp-admin.
Wordpress support & maintenance
galeasen.se, charlotteengelkes.com, siteswede.se, madein-theweb.com
2015-06-01 – Present
- Charlotte Engelkes needed her startpage freshened up with better video and sound interaction and we also made some goodlooking design elements for her posts. Now on a page about a performance she can present some metadata like credits and reviews in a more professional way.
- The theater galeasen.se still quite regularly ask me for something now since 2011, like changing their supplier of tickets and the integration of their API.
E-commerce technical support, maintenance and development
stuffstore.se, djurochfritid.se, bozzado.se
2022-11-01 – 2024-05-01
- A number of E-commerce shops built using woocommerce. We built Tools for managing stock between the different storefronts, migrated data to other sites that sell the same things and make alot of frontend improvements.
Campaign site and technical support during event
halebop.se
2022-08-01 – 2023-02-01
- Together with Another company that arranged the happening in Stockholm Central station where they put up a giant block of ice with a mobile Telephone inside and the public could guess on when it would hit the ground after all the ide had melted away.
- I made a video-stream and a quiz the public had to answer and then get a chance to guess on the time the mobile would hit the ground. The results were posted to a google Sheets API backend.
Fixed integrations to bankID API and made sure the forms are accessible and GDPR compliant
Trupayers
2021-01-01 – 2021-12-30
- Trupayers needed to update their sites API integrations to work with the the latest version of the credit check API.
- Their forms needed some new fields so we took the chance to make sure they are accessible with good user feedback and data is validated both on the frontend and before sending it off with cURL.
- The solution is built into a wordpress plugin and distributed to their partner-sites through a wordpress theme on gitlab.
Developer
Community Platform – Gamified Learning & Voting
2021-12-31 – 2022-12-31
- Built a platform where visitors could vote weekly, answer quizzes, and earn points for rewards.
- Helped team scope technical possibilities, developed React frontend + Node backend.
- Collaborated with an international dev team.
Set up inhouse development and onboarded all sites from third party developers
Academedia Support AB
2019-05-01 – 2020-06-01
- To enable quicker launches of websites for newly acquired schools, Pär and a colleague built a WordPress theme where the design could be individualized via various settings in wp-admin. Pär was responsible for developing a system allowing a school administrator to create and configure forms, which could then, through integrations with different CRM systems, be used in campaigns to recruit new students to Academedia's schools. Forms are central to Academedia's operations since many prospective students discover their school through them. Pär ensured the forms were accessible in accordance with WCAG.
- Apart from taking the first steps starting up academedias inhouse development and maintaining their old wordpress-installations we built a base-theme for quickly launching new sites.
- Updated 100+ WordPress sites to meet WCAG accessibility and GDPR standards.
- Built form-builder WordPress theme with CRM integrations, central to student recruitment.
Homepage for "Williams syndrom -foreningen i Sverige"
2017-01-01 – 2017-12-30
- The Williams Syndrome Association is a non-profit patient organization that works to provide people with Williams Syndrome and their families with meeting places, support, and knowledge. They also conduct advocacy work, for example through membership in the Swedish National Association for Rare Diagnoses and the European Federation of Williams Syndrome.
- https://williamssyndrom.se
Developer
Stockholms Dramatiska Högskola
2017-12-31 – 2018-12-29
- Built a React-based quiz suggesting study paths based on answers.
Educational games for an app
Checheza
2018-12-30 – 2019-12-31
- Checheza aims to help children around the world where access to school and education is difficult; it is a collection of games primarily focused on teaching reading and math.
- Pär built three games: one math game using a number line to provide answers to problems, one to help children learn to write letters, and one for learning to count.
Developer
WordPress Theme & Functionality Development
2018-01-01 – 2018-12-31
- Built custom WordPress themes and functionality, campaigns, shopping cart, and recommended products for multiple clients including freeskiers, lösullsentreprenörerna, flic.io, and sthlm-bike.
Developer
Halfenklubben.se / Combimix.com
2016-01-01 – 2017-12-31
- For Halfenklubben, Pär built a platform where a salesperson can create and share a "desktop"—a clone of Trello's columns—with selected customers, providing information relevant to each customer's case.
- The frontend was built in React with a Node / Express / MongoDB backend.
Developer
Teater Galeasen
2014-01-01 – 2014-12-30
- The site needed to be migrated from a custom CMS (PHP/SQL), and the parts Pär migrated were an archive of performances and the people involved in them.
- Everything was converted into the WordPress environment as custom fields and post types, and the rest of the site was built around this as a WP theme with templates and dynamic components.
Developer
Freelancing & Prototyping
2014-12-31 – 2015-12-31
- Built a tool for for NGO fundraising recruiters out in the field. The tool was built in React and Meteor.js and used to help recruiters collect data directly from the potential giver while out in the field.
Web Scraping Developer
Barnebys.com
2013-01-01 – 2014-12-31
- Built and maintained dozens of PHP web scrapers in Node-managed system.
- Debugged failures and handled regex-heavy parsing.
Developer
Freelance Web Development
2009-01-01 – 2010-01-01
- During this period, Pär worked with a variety of clients who needed help with their websites. Initially, he built a range of custom CMS solutions in PHP/SQL, later focusing more on WordPress.
- Clients included:
- Glimstedt.se
r-evolve.se
niklasengvall.se
davinci.se
Lindqvistbygg.se
Seraphimsecurity.com
Brommahudhalsa.se
Ericabasnicki.com
Pm3.se
Annas.se
Gunnars.se
Julbordsmaklarna.se
stockholmbk.se.
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