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Api
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IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
IT Jobs in Poland – Work Sponsorship / VISA Provided – Please apply if you are currently in Poland
InfinityQuest Ltd,
Europe
Unspecified
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
IT Jobs in Poland With Work Sponsorship / VISA Hiring at Infinity Quest (Please apply if you are currently in Poland) Already living in Poland? We're hiring experienced tech professionals for global projects - full work permit provided. Only candidates based in Poland will be considered. 1. DevOps Engineer (AWS / Azure / GCP | CI/CD | Terraform / Ansible | Kubernetes) 2. Cloud Data Engineer (AWS (Redshift, Glue) / Azure (ADF, Synapse) / GCP (BigQuery, Dataflow) | Python | SQL | Spark | DBT) 3. Full Stack Engineer (React / Angular | Java / Python / Node.js | Cloud) 4. Java Backend Developer (Java | Spring Boot | Microservices | Cloud Platforms) 5. Data Engineer (Power BI / MSBI | Python | SQL | Snowflake) 6. Data Scientist / ML Engineer (Python | Pandas | TensorFlow / PyTorch | Data Modelling) 7. Golang Developer (Golang | REST APIs | Concurrency | Cloud-native develop
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ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
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Wilson Brown Limited
EC1, City of London
Up to £600 per day Outside IR35 & Fully Remote (UK)
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EC1, City of London
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Ship high-quality features across the full stack Product Engineer | Stealth Legal Tech Start-Up - Typescript, React, Python, GCP - Were recruiting on behalf of a stealth-mode legal tech start-up building a game-changing platform with a modern, cloud-native stack and AI at its core. * TypeScript / Python * Backend experience with Python & microservices - Remote | Contract | £550£600/day Outside IR35 * GCP / Vercel * React * Postgres / MongoDB / Redis * Pub/Sub / Cloud Run / Docker * OpenAI * Playwright / k6 * GitHub Actions / Terraform * Work with a small, skilled team from day one * Use AI tooling to speed up and improve development * Help shape product direction in a fast-moving start-up * Strong React, Next.js, TypeScript skills * GCP and containeri
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Quantitative Developer - Equity Execution | Market Microstructure, Java, Python | £130,000 - £150,000 | London (Hybrid) a Quantitative Developer is required for a global trading firm for their front-office electronic trading team in London. * 3+ years in a quant developer, execution strategy, or algo trading environment (buy-side or sell-side) This is a VP-level role focused on the design, development, and optimisation of real-time algorithmic execution strategies in the European equity markets. The position is embedded in a high-performing quant team with a strong focus on market microstructure modelling, passive order logic, and signal-driven execution tactics. This is not a pure engineering role - it's suited to someone who combines solid coding experience with a deep understanding of trading behaviour, order book
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We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. As a Lead Engineer, you'll champion intentional AI adoption to empower your team and unlock new levels of productivity. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. * Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support ...
Plexus is working with a powerhouse in the DeFi space and are on the hunt to find a capable Smart Contract Developer, who will deploy advanced smart contracts powering some of the biggest projects in Web3, with direct impact on governance and DeFi innovation. Position: Smart Contract Developer * Design & Deliver: Translate client needs into secure, production-ready smart contracts and lead projects from design to deployment and maintenance. * Solidity & DeFi Expertise: Build advanced smart contract architectures, with strong knowledge of DeFi protocols, security best practices, and Ethereum standards. * 3+ years Solidity development with live smart contracts in production. * Security focus: awareness of vulnerabilities, audits, or big TVL contract exp
Plexus is working with a powerhouse in the DeFi space and are on the hunt to find a capable Smart Contract Developer, who will deploy advanced smart contracts powering some of the biggest projects in Web3, with direct impact on governance and DeFi innovation. Position: Smart Contract Developer * Design & Deliver: Translate client needs into secure, production-ready smart contracts and lead projects from design to deployment and maintenance. * Solidity & DeFi Expertise: Build advanced smart contract architectures, with strong knowledge of DeFi protocols, security best practices, and Ethereum standards. * 3+ years Solidity development with live smart contracts in production. * Security focus: awareness of vulnerabilities, audits, or big TVL contract exp
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An excellent opportunity awaits an experienced software engineer with strong Java and Python skills for a hands-on technical leadership position within an innovative ML-driven SaaS firm, in a role offering technical growth, variety and strong development opportunities. *Experienced hands-on software engineer with strong Java and Python skills - The ideal candidate is an experienced engineer with strong Java and Python expertise, looking for a hands-on leadership position. *Lead the technical roadmap to improve and scale infrastructure - London (Office Based) £95,000 - £110,000 + Progression + Training - The company is a profitable and renowned business delivering a cutting-edge AI-driven platform that helps optimise business processes in heavy industries. In this role
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The ideal candidate will be a data engineer from a software engineering background with machine learning experience. New Senior Data Engineer Contract Roles - We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The rate available for this position is: £550-575pd * Snowflake * AWS * Machine Learning * React or Angular - Please apply directly or email me your CV on
The ideal candidate will be a data engineer from a software engineering background with machine learning experience. New Senior Data Engineer Contract Roles - We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The rate available for this position is: £550-575pd * Snowflake * AWS * Machine Learning * React or Angular - Please apply directly or email me your CV on
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We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. If you are passionate about building robust backend systems and have a desire to work in a collaborative environment, we encourage you to apply. Remote £475 per day (Outside IR35) 3 months Likelihood for extension - Design and implement microservices and RESTful APIs to support application
We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. If you are passionate about building robust backend systems and have a desire to work in a collaborative environment, we encourage you to apply. Remote £475 per day (Outside IR35) 3 months Likelihood for extension - Design and implement microservices and RESTful APIs to support application
Contract Role: Azure AI Developer (.NET) They are seeking an experienced Azure AI Developer with a .NET background to join on an initial 6-month contract. * Strong experience as a .NET Developer (C#). * Design and develop AI-driven solutions within Azure, integrating with core .NET applications. * Leverage Azure AI services (AI Search, Azure OpenAI, Cognitive Services, Document Intelligence, etc.) to deliver intelligent automation. o Azure AI Search - We are supporting a leading data-first London Market insurer who are investing heavily in AI to streamline manual processes across the business. This role will focus on building out
Contract Role: Azure AI Developer (.NET) They are seeking an experienced Azure AI Developer with a .NET background to join on an initial 6-month contract. * Strong experience as a .NET Developer (C#). * Design and develop AI-driven solutions within Azure, integrating with core .NET applications. * Leverage Azure AI services (AI Search, Azure OpenAI, Cognitive Services, Document Intelligence, etc.) to deliver intelligent automation. o Azure AI Search - We are supporting a leading data-first London Market insurer who are investing heavily in AI to streamline manual processes across the business. This role will focus on building out
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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
United States
From £190,000 to £240,000 per annum
They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * 5+ years of backend engineering experience (3+ years building high-throughout backend systems) $190k - $240k - Fully Remote - San Francisco, USA - RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their block
They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * 5+ years of backend engineering experience (3+ years building high-throughout backend systems) $190k - $240k - Fully Remote - San Francisco, USA - RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their block
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