1 to 25 of 43 Permanent Software Engineering Jobs in Doncaster

Senior/Principal Software Engineer .NET £85,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built … quality, resilience, and scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner ...

will mentor teammates and help grow their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice … automated testing and quality assurance practices. Bonus skills include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality ...

Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction by building and maintaining the systems, processes, and tooling that underpin our Software Development Lifecycle (SDLC). You will … shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams. This is a hands-on role with significant influence: you will design systems, implement tooling, measure productivity gaps ...

Director of Engineering, UK (London) We are hiring on behalf of our client, an early-stage risk and intelligence technology company, for a Director of Engineering. This is a hands-on leadership role responsible for driving the next stage of technical and organisational growth, scaling the platform, and building … high-performing engineering team. About the Role You will take full ownership of the platform architecture, data pipelines, integrations, and multi-tenant SaaS infrastructure. This is a highly visible, strategic role where you will work closely with the founder and early customers, ensuring the platform is scalable, secure, reliable ...

Senior) Graphics Software Engineer - Fully Remote We are seeking an experience Graphics Software Engineer to play a pivotal role in a team designing and developing a next generation rendering engine. This will include implementing state of the art graphics algorithms and supporting systems. Qualifications, Knowledge and Experience Essential … team developing global industry-standard vehicle simulation software. Design and develop new features using state-of-the-art graphics techniques. Produce high-quality software for customers. Maintain and improve existing products. Advocate good software engineering practices and continuous professional development. Work to delivery deadlines. The Package: Basic ...

Contract type: Full time, permanent Sanderson Recruitment are exclusively supporting a FTSE 100 Financial Services and Insurance business in the search for a Principal Software Engineer. In this role, you will shape and deliver the technical strategy for their customer-facing digital platforms, including marketing websites, quote … systems and the technology that ensures a seamless experience for customers. You'll be the technical expert, shaping architecture, guiding engineering teams and ensuring platforms are robust, secure and scalable, while working with key stakeholders to deliver solutions that support business goals. Key responsibilities Lead design and delivery ...

English (fluent) · Salary: starting from £45,000 depending on experience Overview At MYT Shutters, we are on a mission to expand and strengthen our software engineering team. Our company develops in-house advanced online ordering and automated production systems that are essential for our day-to-day business … system components - encompassing business logic, data modelling, and database design - to ensure our systems remain robust, consistent, and maintainable. This is a hands-on engineering position suited to someone who understands how data and logic flow through a system, writes clean and well-structured code, and enjoys solving complex ...

Engineer to design, build, deploy, and optimise machine learning models that power data-driven products and business solutions. This role bridges data science and software engineering, focusing on production-ready ML systems, scalability, and performance. The ideal candidate has strong experience in Python, ML frameworks, data pipelines … evaluate machine learning models for prediction, classification, recommendation, or automation use cases. Apply supervised, unsupervised, and deep learning techniques as appropriate. Perform feature engineering, model tuning, and validation to improve accuracy and performance. 2. Productionisation & Deployment Deploy ML models into production using scalable, reliable architectures. Build and maintain APIs ...

Principal Software Engineer - Python - Fully Remote Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. Looking … world class Python Engineer, with experience with Typescript and ideally DevOps to play a crucial role. About you: 5+ years of professional Software Engineering Experience with proficiency in Python Professional experience with TypeScript Product focussed - worked closely with product during the development cycle, translating product requirements into technical ...

Stealth IT have partnered up with a world leading digital transformation consultancy to hire a GenAI Full Stack Developer. We have a top end budget of £55k and the role will be mostly remote with ...

recent research papers into working models and experiments. Design and run experiments, analyse results, and validate findings with scientific rigour. Build high-quality research software that is maintainable, tested, and usable by scientists across the company. Collaborate closely with chemists and biologists to understand their workflows and translate scientific … through internal reports, technical documentation, and external publications or conferences. Contribute to shared codebases, review code, and help define best practices for research-oriented software development. What you will bring: Strong background in machine learning, computer science, applied mathematics, or a related field (PhD, MSc, or equivalent experience). ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This ...

lead the design and productionisation of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable, production-grade systems using GCP and Google's AI ecosystem. You'll be a senior, hands-on engineer owning complex technical … usage, and content safety. Develop and deploy autonomous or semi-autonomous agents using modern agent frameworks and Google AI tooling. Collaborate with product and engineering teams to translate complex business requirements into ML-driven solutions. Monitor, optimise, and continuously improve models in live production environments. Contribute to the architecture ...

research, and implementation of the company's AI initiatives, driving the technical innovation behind its generative AI–powered cybersecurity solutions. Reporting directly to executive engineering leadership as part of the broader leadership team, you will own the end-to-end AI strategy—from identifying breakthrough research directions to developing … positioning. Drive Innovation Through Prototyping Design and build end-to-end prototypes of new AI techniques, acting as a technical product owner to guide engineering teams toward productionizing breakthrough capabilities. Develop Comprehensive Evaluation Systems Create robust evaluation frameworks for agent performance, fine-tuning results, and system-level AI capabilities ...

build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities Foundry Solution Design & Build Own end-to-end solution design across: Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads … root cause analysis for platform and application issues. Define and enforce non-functional requirements (SLA/SLOs, resilience, disaster recovery). Client-Facing Engineering & Stakeholder Management Run technical discovery with senior stakeholders to translate business needs into concrete Foundry use cases. Present architectures, trade-offs and risk assessments ...

platform and application issues. Assist in applying non-functional requirements (SLA/SLOs, resilience, backup and recovery) defined by senior engineers. Client-Facing Engineering & Stakeholder Support Join technical discovery sessions to help translate business needs into Foundry use cases. Prepare and demo prototypes, data flows and applications to technical … design patterns and contribute improvements as you gain experience. Required Experience Commercial experience working with Palantir Foundry or AIP in an implementation, consulting or engineering role. Hands-on experience with: Building and maintaining pipelines and/or ontologies. Developing or supporting Foundry and AIP applications (Workshop, Code Repos, OSDK ...

Employee Experience: Endpoint, M365 and Viva Cloud Native Platforms: o Azure, AWS and Private Cloud Security Practice: o M365, Fortinet, SOC, SIEM, etc. Software Engineering: o AppDev and Data & AI This should be combined with experience and high-level understanding of large-scale cloud solutions architecture, novel commercial … empower our people to work remotely Top tech – Leading services and solutions aren't just for our clients; we supply best-of-breed software and hardware for all our staff too 4x annual salary life assurance Health cash plan Retail discounts and other perks from major brands ...

fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud … native software that powers real-world automation. You'll be part of cross-functional squads delivering modern, serverless, AI-enabled applications used in highly regulated industries. The company has a strong engineering culture, embraces AI-assisted development, and offers autonomy, impact, and the chance to help shape technical ...

rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University … Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first ...

between fast and more thorough query strategies Fine-tuning embeddings or reranking models What You'll Do Collaborate closely with the core team and software engineers Stay up-to-date with the latest research and apply new ideas to real product challenges Design, run and analyse experiments to push ...

client is a US based software company, operating into the media and entertainment sector. Due to their ongoing success, they are looking for a Lead/Senior Software Developer, based in the UK. This will be working on their existing solutions but mainly focusing on the development … exciting new product. The company is around 5 years old and during that time it has successfully implemented its software into three of the UK's major broadcasters. You will be a problem solver, with a passion for designing and developing impactful products, you will have an expert level ...

leading consultancy who are supporting a household brand who work in the financial services space. We're on the lookout for a talented C# Software Engineer to join a brand-new team delivering a cutting-edge, greenfield digital transformation Programme. This is a fantastic opportunity to work with … practices. About the Role You'll be a key part of an agile scrum team, building and delivering new digital solutions using modern engineering principles. From shaping the architecture to hands-on coding and deployment, you'll work across the full SDLC. What We're Looking For A strong ...

with clients to uncover problems, build prototypes, and guide full AI-enabled solution lifecycles. This is a role for engineers who: Enjoy building real software that makes a difference Are passionate about AI and its practical application Thrive at the intersection of technical leadership and client engagement What … workshops with technical and business stakeholders Represent the organisation's technical capabilities in high-stakes client meetings Build trust and long-term relationships with engineering teams and decision-makers Solution Development & Architecture Build and iterate working AI prototypes quickly Architect scalable, maintainable systems from prototype to production Make sophisticated ...

growth consumer tech scaleup building a next-generation platform powering millions of active users. This is a chance to work in a fast-moving engineering environment where you'll own meaningful parts of the backend, shape infrastructure and directly influence product direction as the business scales. You'll work … within a compact, experienced engineering group that owns work end-to-end and ships ideas into production at pace. About the Role: They're looking for a Senior Backend Engineer with strong infrastructure instincts to help evolve a large-scale, data-driven platform. The role is roughly split across ...

Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available, and we are now seeking … contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded software contact for the business Take ownership of embedded firmware development as projects arise Work closely with hardware and systems engineers Support development from concept ...