1 to 25 of 135 Senior Software Engineer Jobs in the South East

identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title : Senior Software Engineer Contract : Initial 3-Month Contract to be extended Location : Windsor - Hybrid (Once a month in office) Rate : £700 inside umbrella … talented software engineer with a passion for AI and cloud technologies? Do you thrive in collaborative environments where innovation is at the forefront? Our client is on the lookout for a Senior Software Engineer to join their dynamic team and help shape the future ...

Software Engineer - Hybrid UK - £60000 What is in it for you? As a talented Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great … salary - Up to £60000 base and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the banking, digital commerce and retail experience software space. ...

Senior Software Engineer Location: UK-wide (Fully Remote) Level: Senior Join a fast-growing consultancy delivering digital transformation across the public sector. We're looking for a Senior Software Engineer who combines technical expertise with strong collaboration and communication skills. This … chance to work on complex, high-impact projects while helping shape best practices in a dynamic, client-facing environment. As a Senior Software Engineer, you'll design and develop robust, scalable software solutions, contribute to architecture decisions, and mentor junior engineers. You'll work closely with ...

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently or in small teams. The Role: As a Software Engineer, you will play a major role in developing code in the Software Modelling and Simulation, autonomy and geospatial fields, along with ...

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxford that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring … rolled out nationally. Part of this position will involve driving the adoption and effective use of emerging AI-assisted development tools and AI Software in the development life cycle (e.g., Cursor, v0) to enhance team productivity and innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams ...

Senior Embedded Software Engineer Location: Reading (Hybrid - typically 3 days onsite) Salary: £90,000 Employment Type: Full-time, permanent Right to Work: Full, unrestricted right to work in the UK required I’m currently working with a well-established technology business that develops secure, mission-critical … embedded systems used in safety-focused environments. On their behalf, I’m looking to hire an experienced Senior Embedded Software Engineer with strong Linux experience to play a key role in the design and development of robust, future-ready embedded software platforms. This is a senior ...

exciting opportunity has arisen for a Senior Software Engineer to join a well-established biotech company using large-scale genetic data and AI to predict disease risk and advance precision healthcare. As a Senior Software Engineer , you will be contributing to the development … scaling of secure, reliable software in a collaborative, agile environment. This is a contract-based role (12 weeks) offering hybrid/remote working options, a salary range of £500 - £700 per day (Inside IR35) and benefits. You will be responsible for: Building and scaling new software products within ...

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This … senior IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering quality. What you'll do: Lead delivery of complex, cross-service features Make pragmatic architecture and design decisions Own services end-to-end, including performance, reliability, and incident response Set standards ...

Senior Software Engineer/Developer (Java Full Stack) Guildford/WFH to £80k Do you have strong Java skills combined with full stack development experience? You could be progressing your career in a senior, hands-on role at a scaling technology company that produces software solutions for the defence and civil aviation sector. As a Senior Software Engineer you will design and develop client based features and enhancements, working across the full technology stack on confidential projects. You'll use a range of technology with a focus on Java, Spring Boot ...

Senior Software Engineer – Fintech Platform Are you an experienced software engineer passionate about building scalable, data-driven systems in a fast-paced financial technology environment? We’re looking for a Senior Software Engineer to help shape and evolve a cutting-edge fintech ...

Senior Embedded Software Engineer? Do you have experience in writing and testing code in Embedded C, C++ and Python? Are you confident working with products involving motor or motion control? If so, an exciting permanent opportunity has arisen to join a company specialising in the design … manufacture of complex electromechanical devices and machines. Senior Embedded Software Engineer Permanent OpportunityASAP StartMonday to Friday (Flexible start/finish times & hybrid working available)Location: Andover Company Info: The business is a respected, family-run business that’s been transforming lives for over a century. This leading ...

C++/Embedded Software/ML/Machine Learning/Python Senior Software Engineer - AI/ML Foundation Model | Future CTO Potential Role: Senior Software Engineer Location: West London - 3/4 days per week Sector: Artificial Intelligence | Physical Engineering | High-Performance Computing … representing a pioneering AI startup that has developed a novel machine learning foundation model capable of achieving 100% automation in the development of control software, no supervision, no debugging, and instantly deployable. The Opportunity This is a founding engineering role, the Lead Software Engineer will ...

Senior Software Engineer Location: Onsite, London, United Kingdom Type: Full-time Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We're scaling rapidly and looking … high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you'll play a pivotal role in building and scaling our financial operations platform. This is a hands ...

About this role: We are supporting an AWE Burghfield project and are seeking a DV Cleared Senior Software Engineer to take full responsibility for software delivery on a high-security, site-based controls and automation project. This is a senior-level role requiring strong Siemens … experience, leadership capability, and proven delivery within regulated defence or nuclear environments. The successful candidate will play a key role in software design, on-site testing and commissioning, client liaison, and the mentoring of junior engineers, ensuring projects are delivered safely, on time, and to the highest quality standards. ...

Senior Software Engineer (C++) – Real-Time Market Data Systems Company Insight: A leading global quant trading firm is looking for a senior software engineer experienced in market data processing to help evolve the firm's real-time market data platform - a critical system that … Responsibilities: Build and enhance real-time market data and distribution pipelines spanning global markets and multiple asset classes. Design and optimise high-performance, distributed software systems for processing market data at scale. Champion engineering best practices and innovation. Serve as a technical leader in market data systems. Apply data ...

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (Brighton) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives, collaborative teams … puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content ...

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives … puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content ...

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxford that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring ...

Senior Java Engineer | hybrid (2 days in office) | Up to £85k Want to work for a global technology company that helps businesses easily connect, manage, and scale their devices using secure and reliable mobile connectivity worldwide. We’re looking for a Senior Software Engineer … Doing Designing and building scalable, event-driven systems Working heavily with Java , applying strong OOP principles and design patterns Contributing to software and system architecture decisions Challenging ideas constructively and raising engineering standards Supporting the team What We’re Looking For 5–7+ years’ experience as a Software ...

Senior Software Engineer PHP Brighton/Hybrid £Competitive + benefits A Senior Software Engineer is sought to join a progressive, collaborative development team based in Brighton. As the business embarks on a journey to modernise its technology stack and enhance the user experience, this ...

Senior Software Engineer (.NET) Financial Services Consultancy | Payments & Gateways ?? Oxford area (Hybrid - 3 days in office) ?? £70,000 base + discretionary bonus I'm currently working with a well-established financial services technology consultancy based in the Oxford area . The business specialises in delivering complex, high … banks, FinTech's, and payment providers, with projects heavily focused on payment integrations and gateway platforms . They're looking to hire a Senior Software Engineer to join their engineering team, someone who can combine hands-on development with mentoring and technical leadership. The Opportunity This ...

Senior Software Engineer (Backend) - Identity & Authentication AWS * TypeScript * Node.js (NestJS) * REST APIs * Auth0 * Transmit Security * GitHub * CloudFormation Permanent, up to £110,000 TC ***Hybrid - 3 days office (either London or Manchester office) Leading financial services client is seeking a Senior Software Engineer and help …/CD pipelines for microservice deployments. Embed DevSecOps best practices across IAM, networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login ...

Senior Software Engineer (Backend) - Identity & Authentication AWS * TypeScript * Node.js (NestJS) * REST APIs * Auth0 * Transmit Security * GitHub * CloudFormation Contract - 12 months, upto £650/day inside IR35 ***Hybrid - 3 days office (either London or Manchester office) Leading financial services client is seeking a Senior Software Engineer …/CD pipelines for microservice deployments. Embed DevSecOps best practices across IAM, networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login ...

Circa £60,000 + Excellent Benefits Are you an experienced Software Engineer who takes pride in writing clean, efficient, well-structured code? Do you enjoy owning projects end-to-end, solving complex technical challenges and contributing to high-performance, mission-critical software products? This is a fantastic … part of a close-knit engineering team, you'll play a key role in enhancing existing products, developing new products and features, supporting released software and contributing to long-term technical innovation. As Senior Software Engineer, you'll work closely with the Software Product Lead ...

build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play … role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead ...