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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
United States
From £190,000 to £240,000 per annum
$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. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * 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 blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budgets.
$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. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * 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 blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budgets.
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HubSpot Consultant - Strategic Business Support Location: Shrewsbury (onsite-first, some flexibility considered) Type: Permanent (£40,000) or Contract (£200-£250/day) Hours: Full-time or Part-time (3 days pro rata) We're looking for a HubSpot Consultant to join a growing Shrewsbury-based consultancy. This role is about using HubSpot not just as a tool, but as a driver of business change - helping clients improve processes, streamline operations, and achieve growth. Working closely with senior stakeholders, you'll configure, optimise, and train teams on HubSpot, ensuring it delivers measurable results. This is a varied, hands-on role with the chance to influence both client outcomes and internal delivery systems. Key Responsibilities Configure and optimise HubSpot for specific business needs Build workflows, pipelines, dashboards, and custom reports
HubSpot Consultant - Strategic Business Support Location: Shrewsbury (onsite-first, some flexibility considered) Type: Permanent (£40,000) or Contract (£200-£250/day) Hours: Full-time or Part-time (3 days pro rata) We're looking for a HubSpot Consultant to join a growing Shrewsbury-based consultancy. This role is about using HubSpot not just as a tool, but as a driver of business change - helping clients improve processes, streamline operations, and achieve growth. Working closely with senior stakeholders, you'll configure, optimise, and train teams on HubSpot, ensuring it delivers measurable results. This is a varied, hands-on role with the chance to influence both client outcomes and internal delivery systems. Key Responsibilities Configure and optimise HubSpot for specific business needs Build workflows, pipelines, dashboards, and custom reports
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Senior Backend Software Engineer
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EC1, City of London
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Location: UK-wide - Remote based. Employment Type: Permanent Salary: £75,000 - £85,000 per annum, dependent on experience Context Recruitment is working in partnership with a leading IT Services provider to appoint a skilled Full Stack Python Developer with demonstrable experience in data engineering. This role offers the opportunity to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. * Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) * Develop and optimise ETL pipelines, data workflows and API integrations * Collaborate with data engineers and analysts to ensure efficient data architecture and accessibility * Work with relational and non-relational databases (e.g. PostgreSQL, MongoDB)
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Soho, W1
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Are you a Front-End specialist? Experienced in enterprise-level cloud-based SaaS solutions? Could you add value to an existing team of highly-skilled developers? Are you ready to make your mark on future-proofed software? We are Preservica, and our active digital preservation solutions are at the razors edge of commercial software solutions, addressing the need for smart digital preservation technology. Our award-winning software is used by leading businesses, archives, libraries, museums and government organisations across the globe. We are world leaders and proud of our achievements but to stay ahead, we need the brightest and most talented commercial and technical innovators to join our development team, and right now, we are looking for a solid Senior Front End Engineer. About the Role
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Senior Software Developer API
Senior Software Developer API
Frontier Agriculture Limited
Witham St. Hughs, LN6 9TN
Competitive + Benefits + 33 Days Holiday + Employee Assistance Program
We are looking for a Senior Software Developer to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You are an experienced developer who seeks simplicity of solutions and excellence in code. You are able to lead the work of less experienced developers (at entry and intermediate level), drive standards and manage problems. Working with other Developers, Product Managers, and Delivery Leads in Scrum teams, you will build efficient programs and systems that serve Customer needs. At Frontier, the Technology Team strive to deliver brilliant experiences for customers and colleagues. We want to hear from passionate, enthusiastic people from any background.
We are looking for a Senior Software Developer to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You are an experienced developer who seeks simplicity of solutions and excellence in code. You are able to lead the work of less experienced developers (at entry and intermediate level), drive standards and manage problems. Working with other Developers, Product Managers, and Delivery Leads in Scrum teams, you will build efficient programs and systems that serve Customer needs. At Frontier, the Technology Team strive to deliver brilliant experiences for customers and colleagues. We want to hear from passionate, enthusiastic people from any background.
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Senior Guidewire Developer
Senior Guidewire Developer
Pioneer Search
City of London, London
£90000 - £110000 per annum + 20% bonus
Guidewire Developer - Ace Certified Location London Salary: £90,000 - £110,000 per annum + 20% Bonus Type: Permanent, Hybrid (2 days in London) An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire.
Guidewire Developer - Ace Certified Location London Salary: £90,000 - £110,000 per annum + 20% Bonus Type: Permanent, Hybrid (2 days in London) An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire.
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Remote, UK 6 Month Contract An incredible opportunity for an experienced Senior Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. Reporting into an Engineering Manager, the Senior Backend Engineer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with cross-functional teams.
Remote, UK 6 Month Contract An incredible opportunity for an experienced Senior Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. Reporting into an Engineering Manager, the Senior Backend Engineer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with cross-functional teams.
London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll fit right in.
London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll fit right in.
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Senior Software Engineer
Senior Software Engineer
Halian Technology Limited
W1, Central London
From £90,000 to £95,000 per annum Plus bonus and benefits
Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
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