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Job Description: Software Engineer ABOUT US Jonas Metals Software has been delivering market-leading ERP software solutions to the metals industry for over 35 years. Our developers are passionate about building robust, high-quality systems that drive real value for our customers. We embrace agile methodologies and promote continuous improvement across our products, toolsets, and development processes. Team members are empowered to influence standards, technical direction, and architectural evolution. We recognise that software development is a constantly evolving discipline. Thats why we dedicate time and resources for our developers to research, experiment, and innovate. As part of the Jonas Group of companies, we offer strong career development opportunities across a global network of businesses.
Job Description: Software Engineer ABOUT US Jonas Metals Software has been delivering market-leading ERP software solutions to the metals industry for over 35 years. Our developers are passionate about building robust, high-quality systems that drive real value for our customers. We embrace agile methodologies and promote continuous improvement across our products, toolsets, and development processes. Team members are empowered to influence standards, technical direction, and architectural evolution. We recognise that software development is a constantly evolving discipline. Thats why we dedicate time and resources for our developers to research, experiment, and innovate. As part of the Jonas Group of companies, we offer strong career development opportunities across a global network of businesses.
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London
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Front End Mobile Developer for large concern in Hampshire
Front End Mobile Developer for large concern in Hampshire
Claremont Consulting
Hampshire
£50000.00 - £60000.00 per annum + Bonus plus Many benefits
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**** Please bear in mind that this role is HYBRID - please do not apply if you are looking for a remote role **** My client is seeking a talented and driven Front-end / Mobile Developer to join their dynamic Software Engineering team. You will play a key role in developing high-quality user interfaces and mobile applications, contributing to innovative projects that shape the future of financial technology. Key Responsibilities Design and implement responsive web and mobile solutions. Collaborate closely with other engineers and stakeholders. Ensure code quality, performance, and reliability in all projects. Stay up to date with the latest industry trends and technologies. Proven experience in front-end and/or mobile development. Candidates must have a very strong background in Next JS and React
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Software Engineer
Software Engineer
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Campden Hill, W8
£90000 - £100000 per annum, Benefits Exceptional benefits package
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Senior Software Engineer Node.js / JavaScript / React / Remote-First Location: London (Hybrid Occasional Office Days) Salary: Up to £100,000 + Benefits Work on Scalable, High-Traffic Platforms Used by Millions Ready to engineer products that reach millions daily, with the flexibility of remote-first working and the backing of a globally recognised digital brand? Were hiring Senior Software Engineers to join one of the UKs most well-known content platforms a high-scale, fast-paced environment where performance matters. While we cant name the brand here, the work you do will be seen and used by audiences worldwide. Youll help build powerful tools and platforms across publishing, content delivery, and user experience, with a strong emphasis on clean code, modern architecture, and collaborative problem-solving.
Up to £550 per day (Inside IR35) London / Remote 6 to 12 Months My client is an instantly recognisable consultancy who require a Lead Software Engineer with Active NPPV3 and Active Security Clearance (SC), to join a business critical programme with an end client. * Proven experience as a Lead Software Engineer * Active NPPV3 and Active Security Clearance (SC) * Proven experience in migration of legacy (Java) to modern versions (EE/EJB to Spring) * Migration from Oracle to PostgreSQL, and from Data Centre to Cloud (AWS) * Understanding of Java Standard Edition 8, Java Enterprise Edition 5, 6 and 11 * Demonstrable experience with PL/SQL development * Some skills in GIS (JavaScript/OpenLayers, TileCache and MapServer) * Experience in platforms / operating systems (Oracle Solis/Red Hat Enterprise Linux 8/Microsoft Windows 2k8,2k16,2k19)
Up to £550 per day (Inside IR35) London / Remote 6 to 12 Months My client is an instantly recognisable consultancy who require a Lead Software Engineer with Active NPPV3 and Active Security Clearance (SC), to join a business critical programme with an end client. * Proven experience as a Lead Software Engineer * Active NPPV3 and Active Security Clearance (SC) * Proven experience in migration of legacy (Java) to modern versions (EE/EJB to Spring) * Migration from Oracle to PostgreSQL, and from Data Centre to Cloud (AWS) * Understanding of Java Standard Edition 8, Java Enterprise Edition 5, 6 and 11 * Demonstrable experience with PL/SQL development * Some skills in GIS (JavaScript/OpenLayers, TileCache and MapServer) * Experience in platforms / operating systems (Oracle Solis/Red Hat Enterprise Linux 8/Microsoft Windows 2k8,2k16,2k19)
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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
EC1, City of London
From £90,000 to £130,000 per annum Excluding Benefits
Dapp Distribution pipeline Remote: (HQ: London) £80k - £110k Plexus is presenting a great opportunity with one of our clients within the Blockchain/web3 space. They are a leading Dapp distribution pipeline offering comprehensive NFT valuations and portfolio management, leading the way in data led, actionable industry reporting. Looking for a passionate, forward thinking Senior Backend Engineer, You will play a crucial role in integrating frontend elements with backend infrastructure, working closely with frontend engineers to define and develop smooth data exchange. * Support business applications and features within node.js and PHP * Be in charge of curating prototypes and applications from scratch in an organized manner * Be a source of communication with business users, translating requirements into proficient solutions
Dapp Distribution pipeline Remote: (HQ: London) £80k - £110k Plexus is presenting a great opportunity with one of our clients within the Blockchain/web3 space. They are a leading Dapp distribution pipeline offering comprehensive NFT valuations and portfolio management, leading the way in data led, actionable industry reporting. Looking for a passionate, forward thinking Senior Backend Engineer, You will play a crucial role in integrating frontend elements with backend infrastructure, working closely with frontend engineers to define and develop smooth data exchange. * Support business applications and features within node.js and PHP * Be in charge of curating prototypes and applications from scratch in an organized manner * Be a source of communication with business users, translating requirements into proficient solutions
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Senior Full Stack Engineer - Python/React
Senior Full Stack Engineer - Python/React
TURLEYWAY LIMITED
The City, EC4N 7BE
From £80,000 to £250,000 per annum
TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their Quantitative Data Systems engineering team. The firm are well established and in a huge growth phase. Today, the firm has more than 1,500 people around the globe and an expansive engineering team. This team, Quantitative Systems is a global team that supports the design and maintenance of the companys largest computer infrastructure. You will be working on greenfield data projects which are used directly by the trading front office, and are key in the companies smooth running and profitability. This engineer will have the opportunity to work on a wide variety of technology initiatives in a distributed computing, low-latency and high-throughput application environment.
TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their Quantitative Data Systems engineering team. The firm are well established and in a huge growth phase. Today, the firm has more than 1,500 people around the globe and an expansive engineering team. This team, Quantitative Systems is a global team that supports the design and maintenance of the companys largest computer infrastructure. You will be working on greenfield data projects which are used directly by the trading front office, and are key in the companies smooth running and profitability. This engineer will have the opportunity to work on a wide variety of technology initiatives in a distributed computing, low-latency and high-throughput application environment.
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Role Title: F# Software Developer Location: London End Date: 31/12/2025 Rate: £300 per day - PAYE via Umbrella To design develop and improve software utilising various engineering methodologies that provides business platform and technology capabilities for our customers and colleagues. Technical Troubleshooting Continuous Learning Software Design Strategic Thinking Change and Transformation Digital and Technology Computer Programming Secure Coding Practices Teamwork Communication Test Automation Problem Solving Tools Business Acumen Risk and Controls Job Summary We are seeking a skilled F# Developer to join our team and contribute to the development of robust, efficient, and scalable software solutions. As an F# Developer, you will leverage functional programming principles within the .NET ecosystem to build applications that meet business and technical requirements.
Role Title: F# Software Developer Location: London End Date: 31/12/2025 Rate: £300 per day - PAYE via Umbrella To design develop and improve software utilising various engineering methodologies that provides business platform and technology capabilities for our customers and colleagues. Technical Troubleshooting Continuous Learning Software Design Strategic Thinking Change and Transformation Digital and Technology Computer Programming Secure Coding Practices Teamwork Communication Test Automation Problem Solving Tools Business Acumen Risk and Controls Job Summary We are seeking a skilled F# Developer to join our team and contribute to the development of robust, efficient, and scalable software solutions. As an F# Developer, you will leverage functional programming principles within the .NET ecosystem to build applications that meet business and technical requirements.
PREMIUM
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**Day Rate: £500 - £700** **Duration: 6 months** **IR35: Outside Scope** **Overview** Are you a talented Software Developer eager to take on exciting project-based work with leading organizations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. - Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. - Collaborate with innovative teams to design and implement robust software solutions that meet business needs. - Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. **Key Skills**
**Day Rate: £500 - £700** **Duration: 6 months** **IR35: Outside Scope** **Overview** Are you a talented Software Developer eager to take on exciting project-based work with leading organizations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. - Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. - Collaborate with innovative teams to design and implement robust software solutions that meet business needs. - Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. **Key Skills**