Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.
How freelancing works at Netguru?As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.
We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.
But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.
So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.
Currently we are looking for a Senior Fullstack Engineer who has successfully implemented Instagram Login before and can handle the entire process independently again.
Salary range: up to 160 PLN/h (on a B2B contract)
Engagement: fulltime
Working Hours: CET
Start date: 31.01.2026
Project duration: 2 months
Tasks & Responsibilities:
- Owning the 'App Review' Process: Managing the complete verification cycle with Meta (including creating required screencasts and writing scope justifications) to ensure the app is approved for Live access.
- Meta Ecosystem Configuration: Correctly setting up the application environment in the Meta for Developers console (identified by the client as the primary risk area).
- OAuth Strategy & Implementation: Implementing the 'Login with Instagram' flow to securely fetch specific influencer data points needed for profiling.
- Technical Advisory: Acting as the subject-matter expert to guide the client through Meta's strict policies and prevent application rejection.
Requirements
- fluency in Polish and English.
- OAuth 2.0.
- Instagram Graph API.
- Meta App Review experience.
Nice to have:
- Passport.js / NextAuth.js / OmniAuth (depending on stack).
- JWT (JSON Web Tokens).
- OpenID Connect (OIDC).
- Facebook Login Kit.
- GDPR compliance basics.
BenefitsIn return, we offer:
- 100% remote, flexible work.
- Work with an experienced team of developers and continuous development of your hard and soft skills.
- Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes.
- Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).
Here's what you can expect from the recruitment process:
- First, you'll meet with one of our recruiters to get to know each other better.
- If everything goes well, you'll have the opportunity to meet with the client during an online interview.
Curious to learn more about working as a Netguru freelancer? All the information you need is here: Netguru Talent Marketplace.
Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.
If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.
Don't hesitate and apply right away.
Top Skills
What We Do
Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs.
Netguru provides consulting services in product development, creating software solutions, and product design.
Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world.
Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries.
Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022.
We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing.
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