Software engineer contract jobs in Poland

 ...Overview We are seeking a highly sophisticated, systems-minded Software Engineer III, Backend to join our core Orchestration product group in...  ...and handles multi-point connection failures. REST API Contract Standardization: Model and maintain highly observable,... 

 ...Summary The Wikimedia Foundation is seeking a Senior Software Engineer to join the team supporting the Wikidata Platform — the structured data backbone of Wikimedia projects and a key part of the global open knowledge ecosystem. You’ll help scale and sustain the Wikidata... 

 ..., technology-driven solutions. We're looking for a Staff Software Engineer in Test to raise the quality bar across our mobile app and backend...  ...BrowserStack with GitLab CI . Keep the backend/API/contract layer strong and connect it to the mobile client layer.... 

 ...Role We are looking for a Senior Fullstack Engineer with a heavy backend focus to build our next-generation Software as a Medical Device (SaMD) ECG diagnostics portal...  ...14971, 21 CFR Part 11). Benefits B2B Contract with a competitive monthly salary ($7,000 - $8... 

 ...coverage and award-winning video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly interactive web elements, scale asynchronous messaging pipelines, and optimize rich multimedia playback systems... 

 ..., optimized, and audited worldwide. By engineering advanced cloud-native architectures that...  ...leader for air and hotel reshopping software solutions, Oversee actively partners with...  ...platform global distribution system (GDS) API contracts confidently. Key Responsibilities... 

 ...now and pay later without any hidden fees or compounding interest. The Repayment Scheduling engineering team is growing rapidly, and we're looking for a Senior Software Engineer specializing in Backend development. We're a Backend team located entirely in Europe within... 

 ...complex IT challenges through tailor-made software development and data-driven solutions. Softeta is looking for a Software Engineer Fullstack to become a part of our vibrant...  ...Design and maintain type-safe APIs and data contracts with Zod . Ensure software quality... 

 ...we build it. We're looking for a world-class Senior Frontend Engineer to join our product-minded engineering team: we care about customer...  ...autocomplete. What you bring ~6+ years of professional software development experience with a strong focus on consumer-facing web... 

 ...leading IT services provider is looking for a **Unity Support Engineer. **!Part-time position. Responsibilities: Regularly review...  ...Django Assess the impact of each release on the existing API contract Perform reactive compatibility patching on the Unity... 

 ..., the team has since grown with the goal to provide a seamless and secure trading experience for our clients. As a Senior Devops Engineer, you will be involved a number of technically challenging problems, oversees design and coding for features. This position will be... 

 ...consumer-focused (Web / Mobile App products) engineering leaders to join us in that journey -...  ...), collaborating closely with Staff Software Engineers on key architectural decisions...  .... Excellent working environment and flexible hours We offer B2B type of contract... 

Facets Developer – C# and SQL for agile development for a Facets implementation role. This Developer position will participate in a team environment for the delivery and code for a Facets testing and implementation. Responsible for programming, debugging and testing of ...

 ...ambiguity, then you'll love the opportunities available to grow your career at Booksy. Requirements As the Lead Analytics Engineer (Looker), reporting into the Analytics Manager , you will be the primary architect of our data’s "source of truth." You will... 

 ...an absolute mission to build, protect, and scale the invisible software and hardware foundations that keep the world digital experiences...  ..., detail-obsessed, and infrastructure-minded Lead Systems Engineer to join our core centralized Edge Network division in a full-time... 

 ...companies in overcoming complex IT challenges through tailor-made software development and data-driven solutions. Softeta is looking for a...  ...documentation  Requirements ~5+ years of software engineer experience working with Java ~ Solid knowledge of Enterprise... 

 ...premier, globally recognized digital services and enterprise software development outsourcing company with an established operational...  ...maintains a transparent, merit-based workspace focused on elite engineering craftsmanship. Position Overview We are seeking a highly... 

 ...to do your best work. Job Summary As a Senior Principal Engineer within the Core Product Services organization, you will lead...  ...tooling across the organization. The role focuses on full‑stack software architecture, infrastructure, and developer productivity across... 

 ...About Nethermind Nethermind is a blockchain research and software engineering company building high-performance infrastructure, security tooling, and cryptographic systems across the Ethereum ecosystem and beyond. We work closely with protocol teams, L2s, and ZK projects... 

 ...knack for numbers, and a natural ability to spot trends others might miss. Tech-Savvy: You're proficient in industry-standard software platforms with the ability to make these tools sing. Passion for Marketing: You’re always in the loop with the latest marketing... 

LeafFilter Gutters and Gutter protection No cold calling- no sweepstake giveaway- real people confirming your leads. Are you tired of cold calling looking for new business? Tired of the constant follow up, pay cuts, or unqualified leads? Tired of 3-5 hour meetings...

 ...greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to...  ...We support our developers during the application build phase in software run principles that include operational design, automation, capacity... 

 ...architectures. Why You'll Love This Role As a Senior Site Reliability Engineer at Cribl, you will join our expanding engineering team in...  ...industry. ~ Highly collaborative, remote-first environment ("software is a people business") with a passionate, distributed team. ~... 

 ...technology pioneer, e-commerce hospitality innovator, and distribution channel management leader on an absolute mission to engineer next-generation software platforms for the global lodging and property management sectors. By architecting high-performance computing... 

 ...never a single way to solve them and they can’t be solved by tooling alone. This is why we’re looking for an energetic DevOps Engineer, who enjoys building usable and reliable platform capabilities — from first understanding why the problem exists, through design and... 

 ...EXUS is seeking a Head of Data Engineering to lead the strategic direction, architecture, and delivery of our data engineering function. This role is responsible for building and scaling a robust data platform designed to support business intelligence, analytics, product... 

 ...Join Checkly as a Senior Customer Solutions Engineer and empower developers and agents to own and ensure application performance and reliability - from pull request to post-mortem! Checkly is the active reliability layer for developers and agents. We unify testing,... 

 ...mission to build, test, and ship highly autonomous enterprise software infrastructure across global consumer markets. We build multiple...  ...analytical, connection-obsessed, and systems-minded AI Systems Engineer to join our decentralized core Operations matrix under a high-agency... 

 ...greatest potential. Title and Summary Manager, Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to...  ...support our developers during the application build phase in software run principles that include operational design, automation, capacity... 

 ...experiences run on something invisible: the infrastructure and software that keep them fast, reliable, and secure. At Gcore (gcore.com)...  ...analytical, connection-obsessed, and systems-minded System Support Engineer to manage, scale, and optimize our internal network...