Senior software developer jobs in CheltenhamCreate job alerts

IoT Edge & Software – contribute to the selection and ongoing management of IoT hardware and software. Senior Software Engineer on the IoT or related technologies (IoT, M2M, Smart Products or Connected Device) with experience delivering IoT-enabled service offerings in a commercial environment for

We're seeking a Senior FullStack Application Developer to significantly contribute to our cloud development efforts. You will actively participate in the entire software development lifecycle, focusing on designing, coding, developer testing, and deploying cloud‑native applications using modern fu

You will actively participate in the entire software development lifecycle, focusing on designing, coding, developer testing, and deploying cloud‑native applications using modern full‑stack technologies. We’re seeking a Senior FullStack Application Developer to significantly contribute to our

IIOT Senior Software Developer. Senior Software Engineer on the IoT or related technologies, e. IoT hardware, edge software and platform technologies, while supporting the design, development and release of IoT applications.

Strong experience working as a Senior Developer particularly in front-end delivery UX/UI. We have a fantastic opportunity for a Senior Software Engineer with strong UI/UX skills to join our nationally recognised client. Familiar with A/B testing and using data to improve UX and conversion.

UX‑first, often highly complex software. You’ll join a smart, collaborative team that pushes each other to articulate and defend every architectural decision in pursuit of best‑in‑class software. Whether you’re refining our Azure architecture as CTO or shipping revenue‑critical features

They are looking for a Senior Full Stack Engineer to play a key role in delivering the first iteration of a strategic cloud platform that will expand under a 'fail fast' innovation model.

Code Quality: Participate in code reviews, testing, and debugging to ensure software quality and performance.

Senior / Lead Software Developer | Glasgow | Hybrid | £60,000 - £70,000 | 4 days per week onsiteI'm working with a growing business investing heavily in its in-house digital platforms, and they're looking to bring in a Senior / Lead Software Developer to play a key role in shaping and scaling thei

Up to £300k Total Compensation 1st Year Comp.Low-level systems, performance tuning, and modern C++.An elite tech-driven firm is looking for a top-tier C++ Engineer to join their team! Known for breaking records in the tech space, they’re made up of exceptional technologists who are passionate abo

Our recruitment firm represents a client currently seeking an accomplished Senior Software Developer to join their dynamic team. This role is an excellent opportunity to utilise your extensive skills to produce scalable software solutions, contributing across the entire software development life cyc

As a Senior Software Developer you will be architecting creative and innovative complex solutions. Key attributes for success include the ability to self-manage, prioritize effectively, communicate clearly, and deliver high quality software. Create technical documentation, including architectural de

Build, package, and configure complex software systems across Linux. Write clear technical documentation and workflow guides for artists and developers. Work collaboratively under tight deadlines; mentor developers, assign tasks where appropriate, and report to the Head of ML Technology.

We are looking for a senior Java or C++ developer to join our Software Development team based in Surbiton to work on our flagship RokDoc desktop application. The role will involve all aspects of our agile software development lifecycle, responsible for requirements derivation, design and implementat

Digis is a European company of 200 employees.The company was founded 9 years ago and has managed to grow from a startup into a reliable partner for our clients.We took the best from the product and outsourcing company.You collaborate directly with the client's team, make business trips.Digis isaEuro

Developers conceive, specify, design, engineer, document, test, and deliver bug fixes as needed to provide high quality software solutions. Senior C# Developer – Analytics Development Team (London). The Software Development function creates and maintains applications, frameworks and other software

We're seeking Senior Python Developers to join our back-end development team. An in‑person meeting with our senior leadership team and co‑founders at our office.

As a Senior Lead Software Engineer at JPMorgan Chase within the Corporate Technology Market Risk team, you will lead the rapid expansion of a strategic visualization and reporting platform. Executes creative software solutions, design, development, and technical troubleshooting with ability to think

In this role as a Market Making Senior Software Developer, you will work closely with both business stakeholders and engineering teams to identify, design, and deliver products that strengthen our market making capabilities and improve operational efficiency across the business. Senior Software Deve

Senior C# Developer – Analytics Development Team (London). Reporting to the CEO, Technology provides digital tools, software services and infrastructure globally to all business groups. Software development and support teams work in agile ‘streams’ aligned to specific business areas.

As Senior Web Developer, be part of our FlexONE team and own critical product surfaces across our web and mobile applications. We are looking for an amazing developer to join our team building FlexTrade's OEMS platform, FlexONE, which is our state-of-the-art, fully integrated Order Management System

We are looking for a senior Java or C++ developer to join our Software Development team based in Surbiton to work on our flagship RokDoc desktop application. The role will involve all aspects of our agile software development lifecycle, responsible for requirements derivation, design and implementat

As a Senior Software Developer, you will develop, design, implement and test software of embedded devices and systems; monitors and enhances the efficiency and stability of the systems. Job Title: Senior Software Developer. Knowledge of software development tools and activities; ability to produce s

Senior Software Developer, Realtime. As a Senior Realtime Software Developer, you will take on a leadership role within the Realtime Technologies team. While remaining a hands‑on technical expert, you will work alongside other leads to guide developers, manage project lifecycles, and act as a brid

A leading software company in Greater London is seeking a senior Java or C++ developer to join their Software Development team in Surbiton. The role requires at least 5 years of software development experience and a relevant degree.

At Oxford Instruments, Materials Analysis we are looking for a Senior Software Developer, with experience in C#. Using our internally defined software design methodologies and tools to develop robust software components and systems. Be an active member of the software team, participating in software

We’re looking for a capable and motivated Senior Software Developer to join our Service Team. You’ll play a key role in maintaining and evolving live software systems that power client solutions. Maintain, support, and enhance production software systems and cloud‑based platforms.

We are looking for a Senior Software Engineer to join the Developer Tools Team. Your role will involve developing and maintaining this software, engaging with developer communities, and contributing to both team-wide projects and cross-team collaborations. Ideally, you will also have experience deve

You will have a voice to work with other senior developers on technical choices in a meritocratic environment. Full stack developer with Front- or Back- end specialization (Mid level, based in SA) – Join to apply for the Full stack developer with Front- or Back- end specialization (Mid level, base

A small dedicated software company is seeking a skilled Senior Developer to join their team in Solihull.

Firm understanding of agile software engineering practices (I. Senior SDET – £675-£720pd (Inside IR35) – 2 yr programme (6 mth) – Hybrid/3 days pw London. A financial services client based in London are looking for a Senior SDET to work within their asset management team.

Role: Senior Systems Developer (Python / PostgreSQL). A leading UK infrastructure and utilities organisation is looking to hire a Senior Systems Developer to join their growing technology team. This is a fantastic opportunity to play a key role in designing and delivering modern software solutions w

A Software Developer is a technical role within our organisation. Working within the Microsoft ecosystem, this role involves collaborating with stakeholders, developers, and business change to ensure solutions are delivered to the required specifications, whilst also being mindful of broader strateg

Senior Full-Stack Software Developer, UK – Job Description. We’re looking for a Senior Full-Stack Software Developer to build high-impact features powering high-volume systems in the live-event space. Actively identify opportunities and risks across products and teams, mentor junior developers,

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. Strong understanding of object-oriented design principles and software architecture. As a senior member of the team, you will contrib

Senior Software Developer (Python). Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high‑fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives. With a huge growth plan over the next two years, we are expanding our

As a Senior Software Developer, you’ll be an integral part of our agile development team, contributing to the delivery of secure, scalable, and innovative software solutions. You’ll work closely with product, QA, and support teams to continuously improve our software delivery process and help sh

Senior Software Developer with a Backend Focus. To professionalise our product development and continue our growth path, we are currently looking for a senior backend developer. Senior backend skills with at least 5 years of experience with Java, and a good understanding of Python (FastAPI, Flask…

Digital, Information & Technology (DIT) Senior Software Developer - MoD - SEO (IT) — United Kingdom.

Vacancy for Senior Software Developer at The National Archives. Vacancy for Senior Software Developer at The National Archives. We are looking for a Senior Software Developer with extensive experience working within the Django web and rest frameworks and ideally with Wagtail CMS development experien

An exciting new permanent opportunity has become available for a Senior Developer, to join a juggernaut organisation in the recruitment industry. They're looking for numerous Senior Developers to lead technical initiatives in a dynamic, AI-driven environment. To apply for the Senior Developer positi

TherapyNotes is seeking a Senior Software Developer to join our growing team. Experience in event-based software design and event-driven architecture. We're a dynamic team of pros who love to innovate and push the envelope, keeping our software cutting-edge.

We are hiring a hands‑on Senior Software Developer (Lead level) to join a growing UK-based team working on scalable backend systems. Contribute to technical decisions and support other developers. Experience mentoring or leading developers.

Are you a creative problem-solver who thrives in a fast-paced, experimental environment? Do you relish the challenge of building prototype software quickly, testing ideas, and learning from failure as much as success? Mustard Systems is seeking a Senior Software Developer to join our talented Horse

This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. This role is ideal for developers with strong technical expertise who are looking to grow into leadership or team management responsibilities. Opportunity to mentor

Senior Software Developer Remote with ad-hoc travel to Manchester | Experience within UK central government required. Proven experience as a Senior Software Developer in complex environments. Share knowledge and mentor junior developers where needed.

We are a small but rapidly growing team of mathematicians, data scientists and software engineers constantly striving to refine our world class statistical models while also researching and deploying new ones. Our work bridges three domains, each challenging in its own right - iGaming, quantitative

ZILO™ is the UK-based FinTech specialising in global asset and wealth management software,designed to scale and transform businesses of all types using our own developed AI Technology. We are looking for a talented Software Engineer (Go) to join our dynamic team. Collaborating with cross-functiona