1 to 25 of 174 Permanent Senior Developer Jobs in the South East

Senior NetSuite Developer – NetSuite, Systems Developer, Software Developer, Systems Engineer, Software Engineer, Web Developer, SuiteScript, Technical Lead, NetSuite Engineer, Senior Developer, Lead Developer, Integration Developer, Mulesoft, Celigo, Boomi, HTML, JavaScript, API – Greater Manchester – London -Surrey – Merseyside - West Midlands - East Midlands – Midlands … Edinburgh – Cheshire – Staffordshire – Hampshire – Derbyshire – Kent – Essex – Permanent – Hybrid - £80,000 - £90,000 Our client, a UK based global end user, are seeking a Senior NetSuite Developer to join their internal team to support implementations, customisation and further enhancements across the business. The ideal candidate will posses a … practices and working in an Agile environment. Desirable Skills & Experience: Bachelor’s degree in Computer Science/Information Technology or similar Preferred certifications: Application Developer, Web Services Developer, SuiteCloud Developer Other NetSuite certifications are an advantage (Administrator, ERP Consultant etc.) Experience with Boomi, Mulesoft or other integration More ❯

Role: Senior Developer (Trading Systems) Tech stack: C#.NET and SQLServer Domain: Trading Location: London (hybrid - 3 days per week) Compensation: £80,000-90,000, 20-30% bonus, 10% pension and much more X4 Technology are partnered with a high-growth, well-capitalised trading house in London, offering a … unique opportunity for a Senior Developer (Trading Systems) to join their global team of 400. In this key position within their technology group, you'll help drive the innovation and evolution of vendor and proprietary trading platforms - developing solutions to support key functions like trade capture, market connectivity … enhancement, customisation and integration - linking their core trading systems with modern SaaS solutions for analytics, hedging, credit, regulatory reporting and more. Responsibilities of the Senior Developer (Trading Systems): Creating new features within Trading Systems to facilitate company growth Building solutions for front office users (trade entry, exchange interfaces More ❯

Senior Data Developer - Flexible location Bibby Financial Services have an exciting opportunity available for a dynamic Senior Data Developer to join our team, working in any of our UK locations . You will join us on a full time, permanent basis and in return, you will … were hired in the first place. We want you to make the choices you believe in – we’ll believe in them too. As our Senior Data Developer, we will reward you and your hard work with: Company car allowance Private healthcare for you and your family Company pension … as gym membership, technology, or health assessments Access to an online wellbeing centre Range of discounts from many businesses 25 days holiday As our Senior Data Developer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your More ❯

Senior Data Developer - Flexible location Bibby Financial Services have an exciting opportunity available for a dynamic Senior Data Developer to join our team, working in any of our UK locations . You will join us on a full time, permanent basis and in return, you will … were hired in the first place. We want you to make the choices you believe in – we'll believe in them too. As our Senior Data Developer, we will reward you and your hard work with: Company car allowance Private healthcare for you and your family Company pension … as gym membership, technology, or health assessments Access to an online wellbeing centre Range of discounts from many businesses 25 days holiday As our Senior Data Developer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your More ❯

Senior Java Developer Global Tech Giant Up to £95k 2-3x a week in Shoreditch Are you a Senior Java Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a … the future of how the business operates globally. Backed by significant investment, this giant has expanded rapidly in the UK and is seeking multiple Senior Developers to lead new squads focused on greenfield projects. They have a strong engineering culture in the London office, and as their Senior Developer, you’ll work with Java (17+), SpringBoot, Kotlin and NoSQL databases . They’ve got their own internal cloud and toolings using Prometheus and Grafana. As their Senior Developer, you’ll be: A key advocate for best coding practice, standards, and innovation. TDD approach is More ❯

Senior Go Developer 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 … built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and More ❯

Senior Developer – Gateway 21 Location: Remote (UK preferred) or hybrid in office (London) Contract type: 4 - 5 days a week, 6 months contract with potential to extend or move to a permanent role Start date: As soon as you're ready About Gateway 21 At Gateway 21, we … driven tools to give firms the confidence to grow - without falling foul of the rules. About the Role We’re looking for a talented Senior Developer to help us build and evolve our flagship portal and suite of new products. You’ll play a key role in delivering More ❯

Senior Frontend Developer Are you a Senior Frontend Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a true Tech Giant as they are building a brand new team at their … gen platform, shaping the future of how the business operates globally. They have a strong engineering culture in the London office, and as their Senior Frontend Developer, you’ll work with React and Javascript/Typescript. They’ve got their own internal cloud and tooling's, using Prometheus … and Grafana. As their Senior Frontend Developer, you’ll be: A key advocate of best coding practice and standards with a TDD approach as you’ll be owning the end to end development of the platform. A skilled engineer in React development, you’ll be joining a team More ❯

Senior Frontend Developer - JavaScript - React - TypeScript - London. Work on a greenfield development project - build a new trading platform starting in 2025. Are you an experienced frontend developer with a passion for designing and developing UIs in highly transactional financial services environments? Miller Maxwell is assisting a rapidly … expanding electronic trading organization in their search for a Senior Frontend Developer to join their highly skilled engineering and frontend development team in London. This leading provider of options trading solutions is globally renowned for its reliability, speed, and exceptional customer service. As the organization expands its digital … currency trading divisions in 2024, this role offers a unique opportunity to be at the forefront of innovation. Key Responsibilities for the Senior Frontend Developer: Work on a key program of work starting in 2025 to build a brand new electronic trading platform. Build and adapt JavaScript libraries More ❯

Senior C++ Developer/Software Engineer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer … This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the … experience working in a financial services or trading environment although technical skills of far greater importance What's in it for you: As a Senior C++ Developer you will receive a competitive package: Salary to £110k Pension (to 9% contribution) Healthcare Volunteer/charity days Hybrid working Career More ❯

Senior Node Developer - Perm £75k - Digital Marketing Analytics A global marketing agency utilising AI's power is looking for a Senior/Full stack Node Developer to take ownership of building a self-service platform that allows customers to use their econometric marketing tools. As a … Senior developer, your focus is on bringing this prototype into production and being responsible for the design, build, and implementation of this platform using the latest technologies. Working closely with data scientists and economic modellers, you will influence how best to integrate these models to ensure the platform … the team around this individual over time. Salary: £70,000-£75,000 Location: 1-2x per week in the City of London Requirements: Senior full-stack experience and knowledge using Node.JS/Next.JS & React Extensive experience working with AWS or GCP (Security tools, containers, infrastructure) Experience with databases More ❯

Senior Software Developer C#, .Net Core, VueJS, Typescript £55,000 - £60,000 Senior Software Developer required to join a progressive and leading company within the automotive industry. As a Senior Software Developer you will help to transform the whole digital product suite. They want More ❯

Are you a talented Senior Developer looking to make a real impact in the world of animal welfare and global food production? This is your chance to step into a dynamic and rewarding role where your skills will drive meaningful change. With a competitive salary of … remotely, offering you the flexibility to balance your professional and personal life. Interested?: Don't miss this opportunity to advance your career as a Senior Developer while contributing to a meaningful cause. Apply today to take the next step in your professional journey and make a real difference More ❯

Are you a talented Senior Developer looking to make a real impact in the world of animal welfare and global food production? This is your chance to step into a dynamic and rewarding role where your skills will drive meaningful change. With a competitive salary of … remotely, offering you the flexibility to balance your professional and personal life. Interested?: Don't miss this opportunity to advance your career as a Senior Developer while contributing to a meaningful cause. Apply today to take the next step in your professional journey and make a real difference More ❯

Job Title: Senior .NET Developer Location: Hybrid - Oxford (1x a month) Applause IT are hiring for a Senior .NET Developer for a growing software house delivering enterprise-scale solutions in the online gaming space. Their platform is built using the latest Microsoft technologies and used globally … by clients across sectors including banking, energy, and government. As a Senior .NET Developer, you'll join a distributed engineering team and be responsible for full lifecycle development across both frontend and backend systems. You'll contribute to architectural decisions, advocate for modern software engineering best practices, and … working Collaborative, global engineering culture Opportunity to work on secure systems impacting millions of users Click Apply Now if you're interested in this Senior .NET Developer opportunity. More ❯

Senior Python Developer Project at a major Investment Bank seeks an experienced Python Developer to join their Front Office trading technology team delivering solutions that manage pricing and trade execution for FX Derivatives instruments. As the Senior Python Developer you will build a new platform … Linux environment, with involvement in the full development cycle in an Agile (Scrum) approach. Experience required: Significant experience working as a server side Python developer in a Front Office environment OOD Test-driven development Relational databases Experience working in an Agile environment Linux/Unix Desirable skills for you … as the Python Developer: Experience of Regulatory reporting associated with Trading such as MiFID II or EMIR Experience building real-time applications based on a messaging paradigm Experience building large-scale data processing pipelines (for e.g. using Apache Spark, etc) Experience building Highly Available and High Performance applications Experience More ❯

Senior React Native Developer Salary: £85,000 - £105,000 Location: 2-3 days a week in London Senior React Native Developer - would you like the opportunity to work for a leading FinTech organisation with over 300,000 customers actively using their product? You will be joining … their credit card team as a Senior React Native Developer, helping to support their Web, iOS, and Android applications. As a Senior React Native Developer, you will be joining a cross-functional product team, and will help define technical direction, as well as helping mentor and … other engineers. Experience working on products that have scaled from zero users to hundreds of thousands would be a bonus. If you're a Senior React Native Developer who enjoys working on greenfield products, please apply. More ❯

Senior Software Developer required by an established technology company located in Staines. Hybrid working - three days per week in the office. The Senior Software Developer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS … Objective-C). The Senior Software Developer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing and defining new requirements Maintaining and improving CI/CD Ensuring feature parity and API alignment between different platforms SDK More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application, will also working closely with … coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If you’re a Senior Frontend Developer (React) looking to have an impact in an early-stage start-up, please apply. More ❯

Senior Dynamics Developer - Newport About the job Job summary Please note: Applicants should review all aspects of this advert to ensure a thorough understanding. If reviewing via a screen reader, please note that the Job summary, Job description, Person specification, Benefits and Things you need to know sections … have been emphasised Senior Dynamics Developer The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. To provide up to date services to our customers systems need to be developed, improved, and maintained. This position plays a pivotal role in ensuring … proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department. As a multi-skilled individual specialising in MS Dynamics and Power More ❯

Senior Java Analyst Developer/Technical Consultant £130,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React More ❯

Job title Senior GIS Developer Ref 40868 Division Digital Transformation Location Hybrid - Clearwater Court - RG1 8DB Contract type Permanent Full/Part-time Full-time or part-time Salary Offering up to £62,000 per annum depending on skills and experience Job grade B Closing date 20/…/2025 We are seeking a highly skilled and experienced Senior GIS Developer to join our dynamic data team at Thames Water. As a Senior GIS Developer, you will play a critical role in designing, developing, and maintaining robust GIS applications and solutions, enabling enhanced spatial … various stakeholders to deliver high-quality applications while mentoring junior team members and ensuring best practices are followed. What you'll do as a Senior GIS Developer GIS Development & Application Design: Design, develop, and maintain cutting-edge GIS applications using Esri ArcGIS and other GIS platforms. Implement advanced More ❯

Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work … You could be joining a scaling Cyber Security technology company that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements … with Pair Programming experience You enjoy problem solving and are keen to pick up new skills What's in it for you: As a Senior Java Developer/Software Engineer you will earn a highly competitive package including: Salary to £160k 8% pension contribution Life Assurance and Income More ❯