509 freelance English-speaking jobs in Poland

We are looking for a Senior Backend Developer to join our Optimization Team at Programmers Force. In this role, you will focus on optimizing backend systems for performance, scalability, and efficiency while working on large-scale, high-traffic workloads. Your responsibilities will include refactoring backend code, improving database queries and indexing, troubleshooting bottlenecks, and collaborating with cross-functional teams to scale backend architecture. You will ensure systems remain secure, reliable, and efficient while mentoring junior team members and enhancing test coverage. The ideal candidate has 4+ years of backend development experience with strong expertise in PHP (Laravel), Node.js, Python, MongoDB, and relational databases (MySQL, PostgreSQL). You should also be proficient in API development (REST/GraphQL), performance optimization, Docker, Git, and CI/CD practices. Experience with Redis, RabbitMQ, AWS/Azure, and backend security best practices will be considered a plus.

trends and best practices in freelance talent acquisition.Assist in the development of freelance talent ... engagements.Manage the full recruitment lifecycle for freelance roles, from initial contact to offer ... candidates through various channels (e.g., job boards, social media, professional networks, freelance ... The ideal candidate will have a deep understanding of the freelance market, excellent communication skills ... extension and onboarding.Build and maintain a robust pipeline of qualified freelance talent for future

: Remote Job Type: Freelance Job Description: Hot Iron Health is in search of Freelance Director Level ... Freelance Director Level Strategic Consultant Remote Job: Director Level Strategic Consultant Location

Freelance Recruitment within Electrical Engineering across the DACH region. ... 3‑6 months project + Working Style – Based in Office 100% Industry – Shipbuilding Type of Job – Freelance ... They are looking to bring in a Piping Designer/Piping Design Engineer on a Freelance basis to begin quickly

Dila Recruitment is looking for an amazing Freelance recruiter to join our team. ... This freelance role offers a commission-based structure, meaning your earnings will be directly tied ... Position: Freelance Recruiter Location: Remote from anywhere Employment type: 100% self employed / ... Freelance - able to invoice Remuneration: Commission per placed candidates RESPONSIBILITIES: Dive

: Freelance / Part-TimeAre you passionate about digital growth, performance marketing ? ... Freelance Online Growth Strategist (English-Speaking, Based in Poland) Location: Poland (Remote) Type ... Role OverviewAs a Freelance Online Growth Strategist, you'll design and execute growth campaigns ... What We OfferFlexible freelance arrangement with full remote freedom.Opportunities for long-term collaboration

We're Hiring Unreal Engine 5 Developer (Freelance | Remote)About Pleasart StudiosPleasart Studios ... role may evolve into a long-term position as part of our core team.Role DescriptionWe are seeking a Freelance ... Contract Type: Freelance (Demo Phase) Work Model: Remote Industry: Video Games / Game Development / Unreal ... Developer to help us build the core gameplay mechanics and systems that will bring our vision to life.This freelance ... experience.Your work will directly define the core gameplay of our upcoming title.Opportunity to transition from freelance

Freelance Data Solution Architect (Remote, Poland)Contract:12 months+ (ASAP start)Location:Fully remote ... This fully remote freelance role is ideal for someone who combinestechnical expertise with strategic ... English (written and spoken).Apply Now:If you are currently available and looking for a challenging freelance

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train ... Take part in a part-time, remote, freelance project that fits around your primary professional or academic ... clarifying questions when needed Genuine interest in technology and artificial intelligence Why this freelance

Freelance Creative & HubSpot Specialist (10–20h/month) Freelance Creative & HubSpot Specialist (10–20h ... /month) What We're Looking For We're seeking a freelance specialist to support our marketing

We’re currently looking for a freelance Linux Embedded Engineer to join a specific IoT project to work ... The work is fully remote, with flexible hours, and we are open only to B2B/freelance cooperation. ... protocols knowledge of RTOS (e.g., FreeRTOS) scripting in Bash or Python Practical info Type of contract: freelance

Poland, 100% Remote) We’re urgently looking for an experienced Guidewire Developer for a long‑term freelance ... Location: Poland (remote with occasional on‑site) Contract type: B2B / Freelance If you’re a skilled

Your location may affect eligibility and rates.Mindrift is looking for passionate freelance contributors ... of Generative AI by tapping into real-world expertise from across the globe.About The RoleThis is a freelance ... switch between tasks and topics quickly and sometimes work with challenging, complex guidelinesOur freelance ... a laptop, internet connection, time available and enthusiasm to take on a challengeBenefitsWhy this freelance ... to $13/hour depending on your skills, experience, and project needsTake part in a part-time, remote, freelance

Overview We're currently looking for a freelance Linux Embedded Engineer to join a specific ongoing ... The work is fully remote, with flexible hours, and we are open only to B2B/freelance cooperation. ... Practical info Type of contract: freelance / B2B only Location: 100% remote Rate: 150-250 PLN net / hour

Summary Freelance Python/React Developer (Remote – Poland)Salary: 28000€-34000€/brutto yearType of contract ... energy efficiency and accessibility.We're now expanding our international IT team and looking for freelance ... team.Payed enterprise trips to Spain.Cutting-edge stack: AI, big data, custom-built ERP/CRM.Flexibility: freelance

Freelance Enterprise Architect – PLM Transformation (m/f/d) Key Responsibilities Architecture Strategy ... This posting focuses on the role and qualifications for the freelance Enterprise Architect – PLM Transformation

Location: Warsaw — Near-site (Remote flexibility) Contract Type: Freelance Seniority: Advanced – +5 ... multicultural, high-skilled Agile team Remote flexibility with Warsaw as your operational base Long-term freelance

The role is freelance, starting ASAP, and will run for 4+ months. ... We are currently working on an exciting freelance opportunity for a Solutions Architect to join a transformation

The freelance contract does not include computer hardware or any insurances. ... hours Fully remote work options Modern techstack and exciting, impactful projects We hire on a freelance

international team shaping the future of Agentic AI.We're hiring experienced AI Engineers for a long-term freelance ... enterprise innovation.Location & Engagement100% Remote role, but candidates MUST be based in PolandB2B / Freelance