13 senior software engineer jobs found in London

I am currently supporting a leading eCommerce client with a search for a contract Full Stack JavaScript Developer to support with the delivery of their innovative web applications. They are searching for someone with extensive experience using react, TypeScript and node.js. The team are also searching for someone who is comfortable using extreme programming engineering practices such as TDD, DDD, Red-Green refactoring and pair programming. Key Competencies: Proficient experience in Full stack development - (Front and Back End) React, TypeScript and Node.js experience. Exposure to AWS Cloud (Cloud knowledge) GraphQL experience Used to working in a scrum based agile team (Designers, business users, architects and Back End developers). Strong extreme programming skills - Pair programming, Test-Driven Development, Domain-Driven-Design & Red-Green refactoring. Understanding of the principles/practice of continuous delivery. In terms of working structure, this...

I am currently supporting a leading eCommerce client with a search for a contract Full Stack JavaScript Developer to support with the delivery of their innovative web applications. They are searching for someone with extensive experience using react, TypeScript and node.js. The team are also searching for someone who is comfortable using extreme programming engineering practices such as TDD, DDD, Red-Green refactoring and pair programming. Key Competencies: Proficient experience in Full stack development – (Front and Back-end) React, TypeScript and Node.js experience. Exposure to AWS Cloud (Cloud knowledge) GraphQL experience Used to working in a scrum based agile team (Designers, business users, architects and back-end developers). Strong extreme programming skills - Pair programming, Test-Driven Development, Domain-Driven-Design & Red-Green refactoring. Understanding of the principles/practice of continuous delivery. In terms of working structure,...

Senior C + + Software Engineer required for 12 to 18 month contract working on a development of an edge processing solution aimed at transforming data for fiber optic sensors to actionable insights through algorithms. This contract is outside IR35 and would suit a skilled and experienced C + + Software Engineer with experience of server side C + + applications and databases, interfacing Front End Systems and Python modules. The role requires the following technical skills and experience - ● Strong knowledge of modern C + + (C17 +) ● Experience with Python/Matlab; data signal processing, geophysics, seismicity ● Knowledge and understanding of service architectures; REST APIs, WebSocket, databases, containers, cloud services (AWS, Azure). ● Understanding and expertise in modern software development; version control (Git), bug tracking, test frameworks, documentation and design, dev-ops/containers etc. ● Familiarity with modern frontend...

18 of 18 Senior Java Engineer Jobs in the South East Anson McCadesuite leadership teams across FTSE companies, private businesses and major government departments in order to transform their organisations. We are currently looking for a Senior Java Software Engineer to work with a broad range of blue-chip companies and public sector organisations. As a Senior Java Engineer , you will be working on projects that employ cutting edge technologies and deliver high profile solutions that make a genuine difference to everyday life. A Successful Senior Java Software Engineer Will Have: Strong object-oriented programming principles in Java. Extensive experience in leveraging Java … implementing RESTful services using JAX-RS. Experience in hosting and orchestration using Docker, Kubernetes and AWS Autoscaling Groups. Experience in a position of leadership. Senior Java Software Engineer More ? Salt Senior Engineer Java , React.js, Node.js, SQL, AWS London, UK...

Senior C# Developer - Commodities Trading - OUTSIDE IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in a trading type environment where they will have gained knowledge of the full trade life cycle and feel comfortable speak directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. There will be a variety of challenging and exciting new projects for the successful Software Engineer to work on as the company continues to expand into new product areas including renewable energy trading and asset optimisation. The company is in the process of moving to the cloud, so Azure Platform experience would be helpful....

Senior NLP Machine Learning Engineer | £600pd Outside IR35 | Remote | 6-months A US based client of mine is on the lookout for a Senior Machine Learning Engineer to join their team and work on some very exciting NLP and Graph Learning based projects. This role will be fully remote and deemed Outside IR35. What We 're Looking For: Expertise in Python and machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn Expert Level understanding of ML algorithms, data structures, and software engineering principles Deep understanding of Natural Language Processing and Graph Learning Knowledge of Deep Learning Strong experience deploying models to production (e.g., using Docker, REST APIs, cloud platforms) Familiarity with data processing tools (Pandas, Spark, SQL) PhD in Computer Science, Mathematics, or a related field (Essential) Experience with MLOps tools (MLflow, Kubeflow, etc.) Contributions to open-source...

Senior Machine Learning Engineer | £600pd Outside IR35 | Remote | 6-months A client of mine is on the lookout for a Senior Machine Learning Engineer to join the team on a contract basis. Really excited to be working with a genuinely brilliant company, see details below. What You'll Do: Design, build, and deploy machine learning models for real-world applications Collaborate with data scientists, engineers, and product teams to integrate models into scalable systems Conduct data analysis and feature engineering to enhance model performance Continuously monitor, evaluate, and iterate on model accuracy and efficiency Stay current with the latest research and apply state-of-the-art techniques as appropriate What We're Looking For: Solid experience in Python and machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn Strong understanding of ML algorithms, data structures, and software engineering principles Experience deploying models to production...

Senior Machine Learning Engineer | £600pd Outside IR35 | Remote | 6-months A client of mine is on the lookout for a Senior Machine Learning Engineer to join the team on a contract basis. Really excited to be working with a genuinely brilliant company, see details below. What You 'll Do: Design, build, and deploy machine learning models for real-world applications Collaborate with data scientists, engineers, and product teams to integrate models into scalable systems Conduct data analysis and feature engineering to enhance model performance Continuously monitor, evaluate, and iterate on model accuracy and efficiency Stay current with the latest research and apply state-of-the-art techniques as appropriate What We 're Looking For: Solid experience in Python and machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn Strong understanding of ML algorithms, data structures, and software engineering principles...

Senior NLP Machine Learning Engineer | £600pd Outside IR35 | Remote | 6-months A US based client of mine is on the lookout for a Senior Machine Learning Engineer to join their team and work on some very exciting NLP and Graph Learning based projects. This role will be fully remote and deemed Outside IR35. What We're Looking For: Expertise in Python and machine learning libraries such as TensorFlow, PyTorch, or Scikit-learn Expert Level understanding of ML algorithms, data structures, and software engineering principles Deep understanding of Natural Language Processing and Graph Learning Knowledge of Deep Learning Strong experience deploying models to production (eg, using Docker, REST APIs, cloud platforms) Familiarity with data processing tools (Pandas, Spark, SQL) PhD in Computer Science, Mathematics, or a related field (Essential) Experience with MLOps tools (MLflow, Kubeflow, etc.) Contributions to open-source projects or ML publications If this sounds...

Product Owner (Internal Applications) - FinTech Up to £600 per day Outside IR35 London (Hybrid) The Internal Product Owner would be responsible for building, prioritising and maintaining the product strategy for components of the company's internal applications. This role involves translating roadmaps into actionable user stories, managing backlogs and collaborating with engineers to deliver high-quality software. Key responsibilities: Build, prioritise and maintain the product strategy, aligning it with the overall Product vision and Business priorities. Responsible for the roadmap and delivery of specific components of the company's internal applications. Engage with senior business and technology partners, team leaders and engineers to ensure alignment and successful delivery. Translate roadmaps into business features and epics with clear outcomes defined, creating and managing a prioritised backlog for the team. Requirements: Experience in product ownership...

Product Owner (Internal Applications) - FinTech Up to £600 per day Outside IR35 London (Hybrid) The Internal Product Owner would be responsible for building, prioritising and maintaining the product strategy for components of the company's internal applications. This role involves translating roadmaps into actionable user stories, managing backlogs and collaborating with engineers to deliver high-quality software. Key responsibilities: Build, prioritise and maintain the product strategy, aligning it with the overall Product vision and Business priorities. Responsible for the roadmap and delivery of specific components of the company's internal applications. Engage with senior business and technology partners, team leaders and engineers to ensure alignment and successful delivery. Translate roadmaps into business features and epics with clear outcomes defined, creating and managing a prioritised backlog for the team. Requirements: Experience in product ownership...

Role: Ruby on Rails Engineer Rate: £450-£480/Day IR35 Status: Outside IR35 Length: 12 Month This is an exciting opportunity for an experienced Ruby on Rails Engineer to join a fast-paced full stack team within the Greentech sector, based in London. The role contracts outside IR35 and offers a daily rate of £450-£480. You will play a crucial part in shaping a platform used by customers, installers and operations teams, delivering highly scalable and well-structured code while working in a collaborative, agile development environment. As a Backend Engineer, you will work primarily with Ruby on Rails, using your expertise to refine business requirements into actionable development tasks. You will build robust Back End systems and integrate these with Front End elements developed in React and Next.js. Collaboration is key in this role - you will work closely with team members to share knowledge, review code, and uphold high standards of quality and maintainability...

Network & Infrastructure Deployment Engineer Job Title: Network & Infrastructure Deployment Engineer (Juniper & Monitoring Solutions) Location:  London (On-site) Contract Type:  Contract / Outside IR35 Clearance:  DV Cleared Role Overview: We are seeking a highly capable Deployment Engineer to support the delivery of a multi-phase infrastructure programme involving Juniper network technologies and SolarWinds monitoring solutions. The role involves the full lifecycle of deployment—from low-level design through build, deployment, testing, and security alignment—with a focus on timely, quality-driven execution in a secure customer environment. Key Responsibilities: Juniper Network Infrastructure: Produce and refine Low-Level Designs (LLDs) for core network deployment Create and maintain detailed build guides and service work instructions Configure and stage Juniper devices across multiple milestone...