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Offer summary
(Summary generated by AI based on the full job description)
The project involves working in a Full-stack PHP environment with web technologies HTML, CSS, JavaScript, PHP and frameworks like React, NestJS, Vue.js, Laravel, Symfony. Key responsibilities include regular delivery of high-quality code, technical leadership and mentoring, implementing best practices and standards and ensuring solution security. Emphasis is placed on agile methodologies and continuous improvement.
Senior PHP Developer (f/m/x)
Company: Sii Sp. z o.o.
from: 17 August 2026
to: 16 September 2026
salary not specifiedB2B contract
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
PHP
JavaScript
Optional technologies
AWS
Microsoft Azure
Laravel
Vue.js
React.js
Symfony
Our requirements
- Minimum 5 years of experience in software development
- Strong familiarity with web technologies like HTML, CSS, JavaScript and PHP
- Knowledge of web frameworks, such as React, NestJS, Vue.js, Laravel or Symfony
- Deep understanding of software development principles and best practices
- Strong familiarity with agile methodologies, such as Scrum or Kanban
- Advanced level of English
Optional
- Demonstrable experience in coaching or mentoring other developers
- Understanding of DevOps principles and cloud-native approaches
- Exposure to public and private cloud environments, including AWS and Azure
- Keen interest in continuous learning and professional development
Your responsibilities
- Deliver high-value outputs regularly, actively contributing code for at least 70% of your time
- Advocate for throughput over output, ensuring efficient work processes
- Offer technical leadership within the team, sharing knowledge and coaching junior team members
- Support colleagues in reducing waste and improving work in progress
- Keep close to the technology market, staying aware of industry changes and trends
- Understand the impact of technical decisions on projects and departmental practices, taking responsibility for your choices
- Support the definition and adoption of best practices and standards, ensuring effective governance
- Consider security risks in the design, development, testing, and implementation of new products and services
About the project
We are looking for a Senior PHP Developer to join our team and contribute to exciting projects in a fast-paced environment. You will work remotely, delivering high-value outputs and advocating for best practices in software development. If you are passionate about mentoring junior developers and continuously learning, this opportunity may be the right fit for you.
This is how we organize our work
This is how we work
scrumkanban
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior PHP Developer (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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