644 Kotlin Developer jobs in the United Kingdom

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency.

At Mindrift , innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.

What we do

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About the Role

GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you’ll have the opportunity to collaborate on these projects.

Although every project is unique, you might typically:

• Code generation and code review
• Prompt evaluation and complex data annotation
• Training and evaluation of large language models
• Benchmarking and agent-based code execution in sandboxed environments
• Working across multiple programming languages
• Adapting guidelines for new domains and use cases
• Following project-specific rubrics and requirements
• Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects

Note: Flexibility and quick adaptation to new requirements are essential.

How to get started
Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone.

Requirements

• You hold a Bachelor's or Master’s Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Information Technology or other related fields
• You have at least 3 years of professional iOS/macOS development experience
• Your level of English is advanced (C1) or above
• Mid-level proficiency in Swift 5.9+, including SwiftUI, Combine, async/await, and the concurrency model
• Hands-on experience with testing frameworks (XCTest, Quick/Nimble) and UI automation testing
• Proficiency with Xcode, Swift Package Manager, and CI/CD tools (Fastlane, GitHub Actions, Xcode Cloud)
• Experience with App Store deployment and monitoring tools (Crashlytics, Firebase)
• Strong understanding of architectural patterns (MVVM, Clean Architecture) and performance optimization (ARC, Instruments)
• Experience integrating AI/ML capabilities (Core ML, Vision, Create ML)
• Practical use of AI-assisted tools for code generation, refactoring, and test automation
• Strong skills in crash analysis, memory debugging, and performance profiling
• You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines.
• Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge.

Benefits

Why this freelance opportunity might be a great fit for you?

• Get paid for your expertise, with rates that can go up to $44/hour  depending on your skills, experience, and project needs.
• Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments.
• Work on advanced AI projects and gain valuable experience that enhances your portfolio.
• Influence how future AI models understand and communicate in your field of expertise.

A Snapshot of Your Day
As a UK Software Development Intern (Finance) you will be joining a small team responsible for developing and maintaining internal accounting and controlling web applications. You will write code, design and query databases, manage cloud services and technical compliance in a corporate environment. This year long placement covers all aspects of software development as well as providing you a grounding in the Finance domain, with a focus on learning and improve skills that will further your career development.

The team are currently located near Bournemouth; therefore you will need to live or be willing to relocate to the Bournemouth area to fulfil the requirements of this role. You will be expected to work from the Bournemouth office every Tuesday & Wednesday as a minimum.

How You'll Make An Impact

• Develop small/medium changes to applications across the full tech stack, reporting your progress in weekly development standups,
• Familiarise yourself with the existing application landscape, evaluating implementation against 'best practices' and writing automated tests to enshrine existing functionality,
• Providing a "support first" service, acting as first point of contact for application users and escalating common themes or pain points to the development team,
• Act as "first gate" for accepting requirements and incidents into the weekly standup, investigating the technical feasibility/root cause,
• Manage deployments through from image building, through CI/CD pipelines, to container launches, escalating where necessary,
• Partner with our offshore support teams to document existing application processes and technical interventions,
• Partner with the Digital Core (DC) organisation to ensure compliance with all technical and cybersecurity requirements,
• Reconciling financial data between systems of record and the internal application landscape,
• Proactively suggesting simplifications to processes where it makes sense, designing sustainable technical solutions to drive efficiency, productivity and cost reduction,
• Ad hoc reporting.

Your opportunities for personal growth:

• Gain hands-on experience with developing internal applications in a rapid, iterative environment using a variety of open-source and proprietary software.
• Be a valued member of an international and supportive team. You will be encouraged to contribute across the whole scope of the team's activities.
• Seek out opportunities that will strengthen your skills and enhance your knowledge to continue to support the business and your career development path.

What You Bring

• You must have a clear interest in software development, a willingness to learn a variety of technologies and a desire to deepen your technical understanding.
• You must be working towards a degree in Computer Science, Mathematics, Cybersecurity or Software Development.
• You can work independently, safely and responsibly; take ownership of challenges, think logically, and proactively research your own solutions to technical challenges you encounter.
• An interest in finance and accounting is desirable as this role sits within a finance function.

About The Team
The Financial Planning and Analysis department sits in the Accounting and Controlling – this team's aim is to support the wider accounting department, particularly functional controlling, with digital solutions that provide them and our businesses with transparency.

Who is Siemens Energy?
At Siemens Energy, we are more than just an energy technology company. We meet the growing energy demand across 90+ countries while ensuring our climate is protected. With more than 100,000 dedicated employees, we not only generate electricity for over 16% of the global community, but we're also using our technology to help protect people and the environment.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Find out how you can make a difference at Siemens Energy: and Siemens Gamesa

Our Commitment to Diversity
Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Rewards/Benefits

• A competitive salary and performance-based bonuses
• Pension scheme with a competitive employer contribution
• 26 days holiday per annum
• Salary sacrifice schemes such as private medical & dental insurances, cycle to work, electric car scheme, discounted gym membership plus several other lifestyle benefits to suit you

Please note:- We reserve the right to close this advertisement at any time; so please ensure that you submit your application as soon as possible.

• Assist in the design, development, testing, and deployment of software applications under the guidance of senior developers.
• Write clean, efficient, and well-documented code in one or more programming languages (e.g., Python, Java, JavaScript, C++).
• Participate in code reviews, providing and receiving constructive feedback to improve code quality.
• Collaborate with cross-functional teams, including product managers and QA engineers, to understand project requirements and deliver high-quality solutions.
• Contribute to the troubleshooting and debugging of software issues.
• Learn and apply agile development methodologies and best practices.
• Develop an understanding of version control systems (e.g., Git) and CI/CD pipelines.
• Research and implement new technologies and tools to enhance product functionality and performance.
• Actively participate in team meetings, stand-ups, and retrospectives.
• Document technical designs, processes, and solutions.
• Engage in continuous learning to expand technical skills and knowledge base.
• Contribute to the company’s collaborative and innovative remote work culture.

• Recent graduate with a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.
• Strong foundational knowledge of computer science principles, algorithms, and data structures.
• Proficiency in at least one object-oriented programming language.
• Familiarity with web development technologies (HTML, CSS, JavaScript) is a plus.
• Understanding of software development lifecycle and methodologies.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities, even in a remote setting.
• Self-motivated, eager to learn, and able to work independently with minimal supervision.
• A genuine passion for software development and technology.
• Ability to manage time effectively and meet deadlines in a remote work environment.
• Previous internship or personal project experience in software development is beneficial.

• Assist in the development, testing, and maintenance of software applications.
• Learn and apply various programming languages and development tools.
• Participate in code reviews and contribute to team discussions.
• Help in troubleshooting and debugging software issues.
• Work on developing new features and enhancements for existing software.
• Collaborate with senior developers and project managers to understand project requirements.
• Gain practical experience in Agile development methodologies.
• Contribute to the creation of technical documentation.
• Learn about database management and integration.
• Develop problem-solving skills by tackling coding challenges.
• Understand software development lifecycle best practices.

• A genuine interest in software development and technology.
• Strong analytical and problem-solving abilities.
• Good communication and teamwork skills.
• A proactive and motivated attitude towards learning.
• GCSEs in Maths and English (or equivalent) are essential.
• A-Levels or a Level 3 qualification in a relevant subject (e.g., IT, Computing) are advantageous but not essential.
• Willingness to commit to a structured apprenticeship program, including off-the-job training and assessments.
• Ability to work effectively within a team environment.
• Demonstrate potential and a passion for building a career in software development.
• The ability to attend the workplace in Sheffield on a consistent basis.

• Assisting in the design, development, testing, and maintenance of software applications.
• Learning and applying various programming languages (e.g., Python, Java, C#, JavaScript).
• Participating in code reviews and collaborating with team members to improve code quality.
• Understanding software development methodologies such as Agile and Scrum.
• Troubleshooting and debugging software issues.
• Contributing to the creation of technical documentation.
• Learning about database management and web technologies.
• Developing an understanding of version control systems like Git.
• Working towards a recognized qualification in software development.
• Developing essential professional skills such as teamwork, communication, and time management.