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For CDI & Freelance In Sweden

    Data Scientist - Freelance

    Sweden, Stockholm

    • Negotiable
    • Data Science Role
    • Skills: Data Science
    • Seniority: Senior

    Description du poste

    Are you a Data Scientist with a strong mathematical foundation and a passion for building intelligent systems? We're looking for a seasoned professional to join a forward-thinking tech team tackling complex, high-impact problems using machine learning and statistical modelling.

    This is a classic data science role, ideal for someone who enjoys working with large-scale data, designing predictive models, and collaborating with engineering teams to bring algorithms into production.

    🔍 What You'll Be Doing

    * Collaborate with engineers to integrate advanced algorithms into scalable production systems.
    * Design and implement mathematical models and machine learning algorithms for predictive analytics.
    * Analyse real-time and historical data to uncover actionable insights.
    * Validate and refine models through rigorous statistical analysis.
    * Present complex findings to non-technical stakeholders to inform strategic decisions.

    🎯 What We're Looking For

    * 5+ years of experience in data science or a related field.
    * Master's degree (or higher) in Mathematics, Statistics, Computer Science, Physics, or Engineering.
    * Strong Python skills, with experience using NumPy, Pandas, and ML frameworks like TensorFlow, PyTorch, or SciPy.
    * Proven ability to translate real-world problems into mathematical models and deploy them effectively.
    * A curious, versatile mindset - comfortable switching between deep analytical work and hands-on development.

    🌟 Bonus Points For

    * A PhD in a quantitative field.
    * Contributions to open-source ML/statistics projects.
    * Experience with simulation modelling or applied statistics.
    * Strong database and data modelling experience.

    Senior Frontend Developer

    Sweden, Stockholm

    • SEK 60,000 to SEK 75,000 SEK
    • Developer Role
    • Skills: React, TypeScript, React Native
    • Seniority: Mid-level

    Description du poste

    Senior Frontend (React.js, React Native) Developer



    Location: Stockholm (Hybrid - 2/3 days/week in office)

    Type: Permanent



    Benefits:

    * 30 days annual leave
    * ITP1 pension
    * 3,500 SEK/year wellness allowance
    * 2,000 SEK/year healthcare allowance (dental, glasses, etc.)
    * Heavily subsidised on-site restaurant (approx. ⅓ of city prices)
    * Bonus scheme (TBC)



    About the Company:



    Join a well-established, family-owned organisation with over 140 years of history and a strong reputation in Sweden. The company is part of a larger group known for its financial stability and long-term vision. You'll be joining a medium-sized IT team (around 50-60 people plus consultants) that's currently transitioning away from external contractors to build internal capability.



    The Role:



    We're looking for a Senior React Native App Developer to help build and scale a mobile platform that supports a wide range of users and services. You'll be working on a product that directly impacts thousands of users in both public and private sectors, helping them access and manage essential services through a modern, intuitive mobile experience.



    Responsibilities:

    * Lead the development of new features and improvements in a React Native mobile application
    * Collaborate with product managers, designers, and backend engineers to deliver high-quality solutions
    * Navigate complex technical environments and integration's with internal APIs and third-party services
    * Take ownership of technical projects from concept to delivery
    * Drive clarity and progress in ambiguous or evolving requirements
    * Ensure performance, scalability, and security across the mobile platform



    Tech Stack:

    * React Native (must-have)
    * TypeScript
    * RESTful APIs
    * CI/CD pipelines
    * Azure DevOps (preferred)
    * Experience with native modules (iOS/Android) is a plus



    Requirements:

    * Development and maintenance of mobile applications with React Native
    * Expo for building and distribution
    * Redux Toolkit (RTK) for state management
    * React Navigation for navigation
    * TypeScript for robust and modern development

    Desirable skills:

    * React Hook Form and Zod for form handling
    * Google Analytics to understand and optimise user behaviour
    * Datadog for monitoring and performance tracking
    * Tailwind CSS for styling and design
    * Local-first architecture to handle offline functionality and efficient synchronisation
    * Experience setting up CI/CD pipelines for mobile applications



    Why Join?

    * High-impact work in a stable, well-funded organisation
    * Freedom under responsibility - autonomy to shape your work and make meaningful contributions
    * Opportunity to be part of a modern analytics and digital transformation journey

    C++ Embedded Developer

    Sweden, Gothenburg

    • Up to SEK 55,000 SEK
    • Engineer Role
    • Skills: C++, Linux
    • Seniority: Senior

    Description du poste

    C++ Developer - Real-Time Systems & Advanced Automation - Award winning products

    Location: Gothenburg
    On-site: 5 days a week

    Please Note: This is a permanent role. This role is for Swedish residents only. This role does not offer Sponsorship. You must have the right to work in Sweden with no restrictions.

    Are you passionate about modern C++ and solving complex, real-world problems in real time?

    We're looking for a skilled C++ Developer to join a high-impact R&D team working at the intersection of hardware and software innovation. You'll play a key role in building next-generation systems that enable real-time data processing, intelligent automation, and advanced image analysis, all in environments where precision and reliability are mission-critical.

    What You'll Do:

    * Design and develop high-performance applications using modern C++ (17/20)
    * Work close to hardware, interfacing with sensors, cameras, and motion control systems
    * Optimize real-time data flows, multithreaded applications, and system performance
    * Integrate third-party libraries and hardware drivers (e.g., TCP/IP, serial comms, EtherCAT)
    * Participate in architecture discussions, code reviews, and CI/CD pipelines
    * Collaborate cross-functionally with engineers, scientists, and product teams

    What You Bring:

    * Strong experience with C++14 or later
    * Solid background in real-time systems and hardware-near programming
    * Comfortable working in Linux and/or Windows development environments
    * Good grasp of version control systems (Git) and software best practices
    * Bachelor's or Master's degree in Computer Science, Engineering Physics, Electrical Engineering, or similar

    Nice to Have:

    * Knowledge of image or signal processing
    * Familiarity with multithreading, performance optimization, or sensor systems
    * Experience with EtherCAT, Modbus, or other fieldbuses
    * Exposure to CI/CD tools like GitLab, Jenkins, or Azure DevOps
    * Prototyping or scripting in Python

    This is a chance to work on deeply technical challenges in a highly collaborative, forward-thinking environment. You'll be part of a team that values scientific rigor, engineering excellence, and real-world impact.

    This role offers the opportunity to contribute to globally deployed systems and cutting-edge technologies with long-term relevance.

    This is a brief description of the role, for the full information, simply apply to the role and I will call you to discuss.

    Twitter: @_TenthRevolution
    LinkedIn: https://www.linkedin.com/in/sarah-king-624956160/
    Email: s.king@tenthrevolution.com

    Please Note: Some of our roles may be subject to successful background/security checks. I will call you to discuss your skill-set further

    Senior C#/.NET Developer

    Sweden, Gothenburg

    • Up to SEK 50,000 SEK
    • Developer Role
    • Skills: .NET
    • Seniority: Senior

    Description du poste

    C# / .NET Developer - Scalable Systems & Real-World Integration - Award Winning Products

    Location: Gothenburg
    On-site: 5 days a week

    Please Note: This is a permanent role. This role is for Swedish residents only. This role does not offer Sponsorship. You must have the right to work in Sweden with no restrictions. Some of our roles may be subject to successful background/security checks.

    Are you a passionate C# / .NET developer who enjoys building scalable, high-performance backend systems that interact with real-world devices?

    We're looking for a skilled .NET Developer to join a cross-functional team focused on creating advanced software platforms that drive real-time insights and intelligent decision-making. You'll work in an innovative tech environment where software meets hardware, and your work will have a tangible impact on operational efficiency, data quality, and system intelligence.

    What You'll Be Working On:

    * Building and maintaining robust backend applications using C# and .NET 6/7+
    * Designing REST APIs, microservices, and background services for scalable performance.
    * Collaborating with hardware teams, data scientists, and product engineers to build cohesive solutions.
    * Ensuring high standards of code quality, testing, and long-term maintainability
    * Participating in architecture discussions and contributing to technical strategy.
    * Continuously optimizing the performance and reliability of mission-critical applications.

    What We're Looking For:

    * Strong hands-on experience with C# and the modern .NET ecosystem.
    * Solid understanding of object-oriented design, software architecture, and best practices.
    * Familiarity with SQL Server, PostgreSQL, or other relational databases.
    * Experience working with Git and modern CI/CD pipelines.
    * A proactive mindset, willingness to collaborate, and the ability to work across disciplines.

    Bonus Points For:

    * Experience integrating with physical devices or hardware systems.
    * Knowledge of distributed systems, event-driven architectures, or real-time data flows.
    * Familiarity with containerization, DevOps, or cloud-based infrastructure.
    * Exposure to scripting or prototyping tools like Python.

    This is a brief description of the role, for the full information, simply apply to the role and I will call you to discuss.

    Senior Software Engineer

    Sweden, Stockholm

    • SEK 65,000 to SEK 75,000 SEK
    • Developer Role
    • Skills: React, Node.js, TypeScript, JavaScript, AWS, LLM, RAG, Prompt Engineering, IaC, Vector Databases, Leadership
    • Seniority: Senior

    Description du poste

    Senior Full Stack AI Engineer - SaaS - Stockholm

    Our client, an industry-leading SaaS company at the forefront of cloud-based Component Content Management Systems, is seeking a Senior Full Stack AI Engineer to join their growing team. You'll be playing a unique opportunity to play a pivotal role in building a brand-new AI function from the ground up, helping to transform a globally recognised platform used by major enterprises across industries.

    Their AWS-hosted platform empowers distributed teams to create, manage, and publish complex technical documentation in real time.

    Responsibilities:

    * Architect and implement AI infrastructure and work-flows from scratch.
    * Collaborate closely with engineering, product, and leadership to drive AI adoption.
    * Build and integrate Gen AI tools into the core product.
    * Contribute to the long-term AI strategy and help shape future hires.
    * Mentor junior engineers (no formal line management responsibilities).

    Requirements

    * Proven experience as a Senior Software Engineer with a strong background in AI/GenAI product integration.
    * Hands-on experience with LLMs, RAG, agentic AI, and cloud-native development (especially AWS).
    * End-to-end understanding of the AI lifecycle from experimentation to deployment at scale.
    * Strong communicator and team player with a collaborative mindset.
    * Comfortable working across multiple backend languages and microservices.

    Tech Stack & Tools

    * Languages: Node.js/TypeScript, Go, Python, PHP
    * AI & Infra: LLMs, RAG, Agentic AI, AWS Bedrock, IaC
    * Cloud: AWS

    Benefits

    * 30 days' vacation
    * 4,000 SEK wellness allowance
    * 2,500 SEK home office allowance
    * ITP1 Pension
    * Life & occupational insurance
    * Remote-first culture with flexibility

    If you're a senior engineer with a passion for GenAI and a desire to make a real impact, this is your chance to join a market leader at a pivotal moment in their AI journey.

    j.wright@tenthrevolution.com

    +46 77 586 81 88

    Freelance AI Engineer

    Sweden, Stockholm

    • Negotiable
    • Consultant Role
    • Seniority: Senior

    Description du poste

    Join a forward-thinking team dedicated to building cutting-edge AI-powered products. As an AI Engineer, you'll play a key role in designing and deploying scalable solutions using modern frameworks and cloud technologies. You'll collaborate with cross-functional teams including product managers, data engineers, software developers, and AI specialists to bring innovative ideas to life.

    Key Responsibilities:

    * Contribute to the development and deployment of scalable AI solutions across various product lines.
    * Work closely with stakeholders to translate business needs into technical implementations.
    * Build and optimise GenAI architectures using industry-leading tools and frameworks.
    * Develop solutions leveraging cloud-based AI services, particularly within the Azure ecosystem (e.g., Azure OpenAI).
    * Support the implementation and refinement of Retrieval-Augmented Generation (RAG) systems, including embedding strategies and indexing techniques.
    * Assist in managing evaluation pipelines and frameworks using tools such as Langfuse.
    * Document and share best practices related to GenAI and Agentic AI architectures.

    Required Skills and Experience:

    * Solid background in software engineering or machine learning engineering, with hands-on experience in real-world projects.
    * Proven ability to design and deploy production-grade Generative AI solutions.
    * Strong programming skills in Python.
    * Experience with cloud AI platforms, preferably Azure or AWS.
    * Familiarity with GenAI tools and both open-source and commercial LLMs.
    * Understanding of advanced AI architectures such as Agentic AI and RAG (including GraphRAG).
    * Proficiency with frameworks like LangChain, LlamaIndex, and evaluation tools such as Langfuse.

    Contract - Senior Software engineer (Backend/Golang/AWS)

    Sweden, Stockholm

    • Negotiable
    • Engineer Role
    • Skills: Golang (Go), AWS, Backend,
    • Seniority: Senior

    Description du poste

    Senior software engineer (backend) - 6 month project (potential extension) - Full time - Stockholm

    We're looking for a seasoned backend engineer who thrives in technical ambiguity and working across the full engineering lifecycle, from solving complex API challenges, to seamless integrations with customer platforms.

    This isn't your typical backend role. Yes, you'll write code but your real impact will come from untangling complexity, aligning teams, and driving technical clarity across multiple layers of the stack and organization.

    🚀 What You'll Do

    *

    Lead technical initiatives end-to-end, from scoping to deployment
    *

    Work hand-in-hand with product managers, external partners, and internal stakeholders
    *

    Own integrations with a wide range of third-party APIs and hardware devices
    *

    Navigate complex cloud infrastructure and distributed systems
    *

    Bring structure and clarity to fast-moving, ambiguous environment

    This is a backend-first role where you'll be deeply involved in:

    *

    API design and integration
    *

    Distributed systems and cloud operations
    *

    Automation and data pipelines
    *

    Real-world, IoT-scale device integrations (think: solar panels, EV chargers, batteries - all speaking different languages)

    🛠 Our Stack

    We're tech-agnostic when it makes sense, but here's what you'll mostly work with:

    *

    Golang (must-have)
    *

    AWS (our primary production cloud) - Lambda, RDS, IoT Core, and more
    *

    GCP (mostly on the analytics and data side) - Cloud Run, BigQuery, Python
    *

    MQTT and other protocols for

    This role is deeply backend-focused, but it touches systems-level thinking, infrastructure, and real-world connected devices.

    🧠 Who We're Looking For

    You're a good fit if you:

    *

    Have experience at the Staff, Principal, or very Senior Engineer level
    *

    Have worked in startups or high growth environments
    *

    Are comfortable owning complex technical projects from idea to production
    *

    Know how to collaborate across function, especially with product and external technical teams
    *

    Love diving into murky, layered systems and driving towards clarity
    *

    Bring a high level of technical ownership and curiosity

    Bonus points if you've worked with IoT and energy systems, but not a must-have.

    Nouveau

    Senior Full stack Engineer for iGaming start-up in Stockholm

    Sweden, Stockholm

    • SEK 50,000 to SEK 70,000 SEK
    • Developer Role
    • Skills: Typescript, React, Nodejs, AWS, Postgre SQL, Fullstack, Blockchain
    • Seniority: Senior

    Description du poste

    Senior Full stack Engineer for iGaming start-up in Stockholm

    Full-time, Permanent

    We are seeking a skilled Senior Full-Stack Engineer with a backend focus to join a growing team building one of the most innovative Web3 products in the iGaming sector. This is a hands-on role for someone who enjoys architecting scalable systems, working with high-volume data, and shaping a platform used by operators around the world.

    About the Company
    We are a technology company creating a fully white-label Web3 casino platform for the iGaming industry. Our product allows creators, influencers and businesses to design, launch and scale their own online casinos without writing any code. The platform is fully licensed, compliant and optimised for real-money transactions from day one, giving operators a seamless way to monetise their audience.

    Built on blockchain, the platform provides full on-chain transparency across bets, wins, deposits, withdrawals and incentives. Additional features include automated rewards, built-in affiliate tools, performance optimisation and advanced retention systems.

    We partner with leading game developers and aggregators to integrate a broad portfolio of Web2 and Web3 titles, and our liquidity solution allows winnings to be covered by investor-backed bankrolls.

    With strong customer traction, a unique product and backing from a major investment partner, we are scaling rapidly and building an in-house engineering team to support significant growth.

    Your Role

    * As a Senior Full-Stack Engineer (Backend Focus), you will:
    * Architect and build scalable, high-performance applications using our core tech stack
    * Collaborate closely with product and design teams to develop features that support operator and player growth
    * Make key decisions around infrastructure, security and long-term maintainability
    * Contribute to the evolution of the platform as we scale to support more customers, higher traffic and greater technical complexity

    What We're Looking For

    * 5+ years of experience in backend or full-stack engineering
    * Strong experience with TypeScript, Node.js and modern web frameworks
    * Deep knowledge of AWS and cloud-native architecture
    * Solid PostgreSQL experience, especially optimisation at scale and working with large datasets
    * Experience working in high-traffic, high-availability or payments environments
    * Ownership mentality and comfort working across the full development lifecycle
    * An interest in blockchain or Web3 is a bonus but not required

    Nice to have:

    * Background in blockchain, Web3 or on-chain systems
    * Experience in game, iGaming or financial transaction platforms
    * Contributions to architecture or technical leadership
    * Experience operating in fast-growing product teams

    Why Join Us
    Join a rapidly scaling, VC-backed company with a validated product and strong market traction
    Work on a unique Web3/iGaming platform with complex technical challenges, high-volume data and real-time on-chain transactions.

    High level of autonomy and ownership, with the opportunity to shape technical direction as the engineering team grows
    Work alongside a senior cross-functional team and contribute across multiple areas including backend, frontend, infrastructure and product.

    Play a key role as we build dedicated teams and future technical leadership roles
    New office next to Stockholm central station, with a collaborative in-person culture

    Apply Now
    If you're excited by the opportunity to shape a cutting-edge Web3 platform and work on high-scale, technically challenging systems, please send your CV.

    For more information, contact:
    +46 10 884 48 01
    w.stanton@tenthrevolution.com