1 to 25 of 661 Senior Developer Jobs

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation is … committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain code and … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for More ❯

Senior Full Stack Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation … is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Developer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guide and develop the skills of junior engineers. Optimize components for maximum performance across a vast … quality and speed. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Developer - Experience Required Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and More ❯

Senior Android Developer London - Hybrid (occasional travel into the office) Up to £85k basic salary An outstanding opportunity for a Senior Android Developer to join a dynamic and innovative tech scale-up, building mobile products that impact thousands of users every day. This is a trusted engineering environment where a Senior Android Developer can … take real ownership, solve complex challenges, and drive forward product innovation. As a Senior Android Developer, you'll work across both the flagship customer-facing Android app and a native SDK that powers critical on-device functionality. You'll play a central role in shaping how the Android platform evolves, balancing technical excellence with a product-focused mindset. … Performance, reliability, and user experience will be at the heart of everything you deliver. In this senior position, the Senior Android Developer will have genuine influence over architectural decisions, mentor fellow engineers, and collaborate closely with backend, product, and data specialists. You'll also be encouraged to explore new tools and AI-driven workflows to improve both More ❯

Senior Full Stack Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation … Engineering,orarelatedfield,orequivalentexperience. FamiliaritywithRESTfulAPIsandmobilelibrariesfornetworking. StrongproficiencyinJavaScript,includingDOMmanipulationandtheJavaScriptobjectmodel. Experiencewithautomatedtestingsuites,likeJestorMocha. Excellentproblem-solvingskillsandtheabilitytothinkalgorithmically. ExperiencewithcloudmessageAPIsandusageofpushnotifications. KnowledgeofCI/CDpipelines,codesigning,anddeployment(AppStore,GooglePlay). Understandingofsecurecodingpractices. Excellentwrittenandverbalcommunicationskills For more information, contact Katie at Matched Group. Senior Full Stack Developer/Senior Full Stack Engineer/Full Stack Developer/Full Stack Engineer/Software Developer/Software Engineer/Senior Developer/Senior Engineer/Senior Software Developer/Senior Software Engineer More ❯

Senior Full Stack Developer Huddersfield/Hybrid £55 - 65k + benefits Were looking for a Senior Full Stack Developer to join this growing team, working on a high-traffic ecommerce website and bespoke internal tools. Their tech stack is Laravel, Inertia, Tailwind, TypeScript, React, which is deployed serverlessly in AWS via Laravel Vapor. Key Responsibilities Deliver … please assume that your application has been unsuccessful on this occasion. Your profile may be considered for other suitable vacancies that arise within the next 12 weeks. Keywords;Fullstack Developer, Lead Developer, Senior Developer, Laravel Developer, PHP Developer Laravel, Inertia,Tailwind, TypeScript , and React - LITTR - Leeds, Bradford, Huddersfield, Sheffield, Wakefield, Barnsley, Halifax, Oldham, Rochdale More ❯

Senior Backend Developer - Python, AWS, Django Central London/Hybrid -one day in the office £75-85k + benefits Were seeking a topflight Senior Backend Developer with a strong software engineering background including 8-9+ years majoring in writing Backend applications using Python and Django (Rest Framework). This is a seriously weighty, complex … technically challenging role; the successful Backend Developer will be 'red hot' on the core backend skill requirements. Demonstrably the 'go to' person in your role. The Backend Python Developer will be joining a team of 45 at a world-class healthcare scaleup. With each integration of a new hospital group there is an acceleration of the rapid scaling … to-haves: Deeper understanding of SQL Knowledge of front-end technologies such as Vue or React Experience with handling sensitive data (e.g. PII) Experience working in a startup environment Senior Backend Developer | Senior Backend Engineer | Senior Backend Python Developer | Senior Software Engineer More ❯

Senior Application and Integration Developer/Software Developer An excellent opportunity to join the organisations IT team, developing innovative applications and systems integrations using Microsoft Power Platform, BizTalk and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer, Systems … Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION: Garthdee, Aberdeen/Hybrid working JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week JOB OVERVIEW We have a fantastic new job opportunity … for a Senior Application and Integration Developer/Software Developer. As the Senior Application and Integration Developer/Software Developer, you will design, build and maintain integrations that connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer/Software Developer More ❯

Senior Developer -Huntsville,AL Full Visibility is seeking a Senior Developer to work in Huntsville, AL. Candidate must possess an active Top Secret/SCI Eligible clearance. The Senior Developer will possess a solid foundation in, and application of, data warehousing and reporting platform concepts with the ability to recommend solutions and drive best … mappings to extract data from a source data system (databases, files, etc.), transform the data based on business requirements and load the data into a target data system. The Senior Developer will conduct performance tuning of the mappings developed to ensure that the data is extracted, transformed, and loaded in a reasonable amount of time based on the More ❯

Senior Java Developer Senior Java Developer Job Summary: This person delivers enterprise-grade software solutions with high customer impact. Leads architecture and development activities with a specialization in at least one major enterprise IT application, one major database platform, and one major operating system. Performs all aspects of the development life cycle. Acts as the senior technical programmer for the assigned enterprise system and/or application of responsibility. Delivers results through independent contributions and through mentoring of junior engineers. Senior Java Developer Minimum Qualifications: Bachelors degree in computer science or related field 6+ years experience in full stack development experience using Java 5+ years relational database experience Senior Java Developer … Git Experience leading or mentoring a group of developers API development experience Microservices architecture experience Experience with cloud-based technology and Docker/Kubernetes Experience with open-source product Senior Java Developer Key Responsibilities: Develops and modifies internal and external-facing software applications Provides full application development life cycle support including specifications, prototypes, unit tests and risk assessments More ❯

We are searching for a Top Secret cleared Cloud Developer (Senior) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. In this role you will support ongoing maintenance of multiple Virtual Private Clouds across enclaves, including managing backups, patching, upgrades … developer workstations, monitoring, and overall security posture. The entire section leverages agile and works to provide the entire enterprise with tools and applications to assist with operational data discovery, data exploitation, data analytics, and data visualization tools. The section works closely with the entire enterprise to ensure its applications and tools meet or exceed the needs of the mission. … The Cloud Developer (Senior) is a part of a team that will lead large scale data analysis projects to designs and delivers on premises and cloud-based applications. The Cloud Developer (Senior) is responsible for planning and leading the design and development of cloud architectures across multiple enclaves and implementing automation for cloud resources using DevSecOps More ❯

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high … performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You'll also play a key role … in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer - Key Requirements: Strong commercial experience in backend development Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker End-to-end software engineering experience, including system design and architecture More ❯

Are you an experienced .Net (C#) Developer, with "full stack" capability around Angular & Asp.Net , looking to take on a Senior Software Engineering role in a growing SaaS product company ? This is a great opportunity to take on a Senior Developer role with a view to progressing into a Lead as the team continues to grow, if … the above & you'd like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Senior Software Developer aka Senior .Net Developer, Senior Full Stack Developer Location: Banbury, Oxfordshire. Hybrid working: 2 days per week in the office/from … home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Good commutes from: Oxford, Bicester, Warwick, Coventry, Northampton, Milton Keynes, Rugby, Reading, etc. Salary: £60K - £65K Basic range + Benefits package. We can potentially be flexible though - so please just get in touch! You will be working in More ❯

Job Description: A Senior Salesforce Developer is the platform SME with exceptional knowledge around API integrations and overall, a code expert. Traditionally Salesforce Developers create complex workflows, triggers, Apex/LWC/Aura development, complex validation rules, and manage AppExchange and legacy platform integrations. Basic object, field, page layouts, workflows, and other various automations, as well as data … analysis and management, are assignments a Salesforce Developer will be able to handle.A Senior Salesforce Developer will often have a background with real experience in other programming languages, such as Java or .NET, and is able to advise effectively on Salesforce limitations and has a very in-depth knowledge of Salesforce. This person is very in demand … in the ecosystem and is a subject matter expert.What does a Senior Salesforce Developer do? Typical Senior Salesforce Developer tasks might include: Have a thorough understanding of the Salesforce platform. Including Sales, Service, and Experience Clouds Coach and perform code reviews to ensure developers are following best practices Creating complex workflows Creating triggers Experience building Agents More ❯

Job title: Senior/Lead Developer Location: London, UK Job type: Contract (Inside IR35) About the Role As a Senior or Lead Insurance Developer, you will be responsible for participating in business requirements review meetings, and providing design & solutions on user stories to be implemented on Insurance projects. You will estimate the development effort during sprint … planning meetings, design, develop, unit test, and document new and existing software solutions as per requirements.What will you do? Senior Developer Develop software solutions that meet high-performing technical standards and are created using Insurance best practices. Focus on leveraging Insurance Tech software platforms, like Guidewire InsuranceSuite. Configuration of software platforms to meet requirements. Development of customizations to … assist in the resolution of technical issues. Prepare and produce software releases. Participate in daily standup meetings, sprint planning, and retrospectives. Contribute to POC to support new opportunities. Lead Developer All responsibilities of the Senior Insurance Developer, plus: lead and mentor a team of developers. Provide technical leadership and guidance on best practices. Collaborate with stakeholders to More ❯

LocationBloomsbury Square, London, United Kingdom# Senior Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£550 - £650/dayJob TypeContractDate PostedSeptember 16th, 2025Apply Now Role Title: Senior Developer Experience: 10years Work mode: Hybrid Contract duration: 6 months Location: Bishopsgate, London We are seeking a highly experienced Senior Developer with deep hands-on expertise in More ❯

Senior SAP Developer Location: Portsmouth, GB, PO6 3EN Onsite or Hybrid: Hybrid Job Title: Senior SAP Developer Location: Flexible, UK + Hybrid Working Arrangements Compensation: Highly Competitive Salary + Benefits Role Type: Full time/Permanent Role ID: SF 61128 At Babcock we're working to create a safe and secure world, together, and if you … join us, you can play your part as a Senior SAP Developer. The role As a Senior SAP Developer, you'll have a role that's out of the ordinary. Working with our internal customers, you will deliver, maintain, troubleshoot, and enhance SAP functionality across our UK Business areas. Day-to-day, you'll be a subject … emerging standards and best practice for the service. This role is full time, 37.5 hours per week and provides hybrid working arrangements with occasional travel. Essential experience of the Senior SAP Developer Strong SAP background in implementation and support. Demonstrable and strong knowledge of OData, CDS, ABAP, WebDynPro, Workflow, Fiori and UI5. Highly beneficial to have experience of More ❯

our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work Software Developer Senior III Location: Onsite - Aberdeen Proving Ground, MD Job Description ASRC Agile Decision Sciences LLC is currently seeking qualified candidates to support our Army G-1 mission under … the CECOM SEC SETA program at Aberdeen Proving Ground, MD. ASRC is seeking a qualified candidate to fill the Software Developer Senior III position to support our customer at Aberdeen Proving Ground. The Software Developer Senior III will lead the design, development, testing, and deployment of advanced Appian-based solutions in support of the DAMIS program. 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 development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving … to shape how things are 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 proven expertise in AWS, Kubernetes More ❯

Zachary Piper Solutions is currently looking for a Senior Software Developer in the Colorado Springs, CO area. This Senior Software Developer will join a Software Application Development company dedicated to providing innovative, mission-critical software solutions. The Senior Software Developer will provide effective and accurate testing of materials on-site in the Colorado Springs … CO area. Responsibilities for the Senior Software Developer include: Support a large .NET application Design and develop user interfaces Multi-source data integration and deduplication Analysis of trends and patterns, query development and reporting Required Qualifications for the Senior Software Developer include: 5+ years of experience with .Net Software Development Experience supporting large scale Federal IT … and reconciliation, multi-source data integration and deduplication. Experience with the .Net Framework, SQL Server, C#, SAFe Agile delivery framework, and Entity Framework Active Secret clearance Compensation for the Senior Software Developer include: Salary Range: $145,000 - $165,000 depending on experience Benefits: Cigna Medical, Dental, Vision, 401k Plan, PTO, Holidays, Sick leave if required by law This More ❯

Senior Software Developer - Digital and Customer Experience Location: Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET | Azure | Blazor | Modern Front-End | DevOps | AI Tools Salary : Up to 80,000 + Benefits Are you a passionate and experienced developer who wants to make a real impact in an award-winning, innovation … driven environment? WRK digital are delighted to be shortlisting for a Senior Software Developer to help us reshape how a major legal organisation delivers its digital services. You'll be joining a collaborative, agile team that's already turning heads in the industry - recognised with awards for AI, innovation, and digital transformation, including Transformation Team of the Year. … development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. ?? About the Role: As a Senior Software Developer, you'll: Lead the design and development of scalable, high-performance applications using the Microsoft stack (C# .NET, Azure) Drive front-end development to deliver intuitive More ❯

Position Title: Back-End Developer, Senior Location: Washington DC Hybrid/Remote Clearance: Public Trust/MBI Salary Range: $200,000.00 - $210,000.00 Position Summary: Command Cyber Solutions is seeking a highly experienced Back-End Developer, Senior to support the IRS Business Tax Account (BTA) modernization initiative as part of the Taxpayer Experience (TXE) Strategy. This … role will focus on building secure, scalable, and high-performing server-side applications and APIs that support taxpayer-facing digital services. The developer will work closely with cross-functional teams, including front-end engineers, DevOps, cybersecurity, and IRS stakeholders, to design, develop, and maintain back-end solutions aligned with IRS cloud and security standards. This position is a remote … upon passing the required background investigation and maintaining eligibility throughout the period of performance. CompTIA Sec+ (or equivalent baseline DoD 8570 IAT Level II certification) (Required). AWS Certified Developer - Associate (or equivalent cloud certification) (Required). Certified Scrum Developer (CSD) or other Agile-related certification (Preferred). AWS Certified Solutions Architect - Associate or Professional (Preferred). Certified More ❯

Senior C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a … track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software applications using .Net Core with … development processes and methodologies. Skills and Experience: Relevant training, qualifications and experience in software development practices (Apprenticeship/Degree/Masters etc) 8+ years proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .NET framework including .Net Core Strong understanding of object-oriented programming principles. Experience with software development methodologies such More ❯

workflow and email notifications into everyday asset management processes and preventative maintenance tracking. In addition, IBM performs these duties to support the annual enterprise inventory process. Task Description: Maximo Senior Application Developer will design and implement auto-scripts and customized java development solutions as directed by the Project Application Architect. He or she will work closely with the … functional and development teams to meet the business requirements of the client. The Senior Developer is responsible for overseeing program design, development, unit testing, debugging, documentation, and quality assurance reviews. The Lead Senior Developer instructs, directs, and oversee other technical personnel. The Lead Senior Developer shall report all residual deficiencies, complete all change management … within the past three (3) years. Must have experience in configuration and installation of interfaces between Maximo and a COTS applications. Must have a Professional certification as a Java Developer/Programmer. Must be a Certified Infrastructure Deployment Professional - Maximo Asset Management V7.6 or an IBM Certified Advanced Deployment Professional - Maximo Asset Management V7.06. Experience with Maximo mobile solutions More ❯

Job Number: R SharePoint Developer, Senior The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part … of delivering a customer-focused engineering solution. We are seeking a skilled Senior SharePoint Developer to join our team. The ideal candidate will have extensive experience with custom application development in SharePoint 2013 and 2016, as well as experience in workflow automation and visualizations. This role involves managing and maintaining our SharePoint groups to ensure optimal performance and … security. As a Senior Developer on our team, you have the chance to develop, customize, and maintain solutions that meet specific user requirements, such as updating dynamic content, registration portals, and dashboards, as well as design and maintain sites and pages in the realm of Research and Development. Your technical expertise will be vital as you evaluate, modernize More ❯

Senior Developer (ASP.Net Core, C#) - Nottingham/hybrid remote - Salary £60K - £75K DOE plus flexible hours, hybrid working (2 days a week in office), 25 days holiday + bh, latest technologies, excellent progression and more! The Role A unique and exciting new opportunity has arisen for an experienced Software Developers (ASP.Net Core, C#, AWS) to join a rapidly … expectation for this role is 2 days a week of your choice in the office including flexible hours (their core hours are between 10am - 3pm). As a Software Developer (ASP.Net Core, AWS, C#) you will be responsible for a wide range of innovative projects from development of their innovative cloud-based enterprise system to internal systems. You will … drive forward their technical direction. You will need to be self motivated and enjoy working in a fast-paced rapidly changing environment. You will be working closely with other senior developers so will have the opportunity to voice your creativity as well as learn and grow with the very latest technology. This role is a FULL STACK role so More ❯