Permanent Software Engineering Job Vacancies

351 to 375 of 3,199 Permanent Software Engineering Jobs

Senior Software Developer

Guildford, Surrey, United Kingdom
Hybrid / WFH Options
Unily
us on this exciting journey. Job Purpose As we continue to expand our market share in the rapidly emerging Employee Experience platform category, we're looking for a Senior Software Engineer to join our growing team building intelligent, scalable, and secure applications powered by AI. You'll work across the full stack using modern web technologies and contribute to … a platform where AI is deeply integrated into the user experience and engineering workflows. This role offers the opportunity to deepen your technical skills, expand your experience with cloud-native and AI-integrated systems, and collaborate closely with experienced engineers, designers, and product managers. You'll take ownership of meaningful components, help shape development standards, and support the growth … days per week expected in our Eashing office. Some on-call availability may be requested during critical periods, with prior arrangement. Main Responsibilities Own and contribute to the full software development lifecycle of new features and core platform capabilities, from architectural design to hands-on coding and deployment. Design and build APIs, UIs, and services using a modern stack More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Software Engineer

Cheltenham, Gloucestershire, England, United Kingdom
Hybrid / WFH Options
Computer Futures
Full Stack Software Engineers - Engineer the Future from Anywhere in the UK Roles Available: Mid-Level, Senior, and Principal Engineers Location: Remote-First (UK-Based) Salary: Up to £80,000 DOE + Excellent Benefits Clearance: SC Clearable (British Citizen, UK residency for 5+ years) Are you ready to build software that powers real-world impact? Join a fast … visibility projects that blend cutting-edge technology with meaningful outcomes. Why This Role Stands Out This isn't just another dev job. You'll be part of a collaborative engineering culture that values curiosity, autonomy, and technical excellence. You'll work on projects that span: AI & Machine Learning Integration - powering smarter, data-driven decisions. Cloud-Native Architecture - building scalable … microservices on AWS. Secure Systems Engineering - delivering robust solutions for regulated sectors. Modern Front-End Development - crafting intuitive, responsive user experiences. You'll have the freedom to innovate, the support to grow, and the tools to succeed - all within a remote-first environment that puts flexibility and trust at the core. What You'll Be Building Intelligent platforms that More ❯
Employment Type: Full-Time
Salary: £50,000 - £80,000 per annum
Posted:

Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯
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Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯
Posted:

Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯
Posted:

Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯
Posted:

Lead Software Engineer - Fintech

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Client Server Ltd
Lead Software Engineer/Developer (C# .Net) Newcastle onsite to £150k Well funded Fintech scale-up is seeking a skilled backend focussed Software Engineer with strong technical leadership skills. As a Lead Software Engineer you'll design and implement the logic behind core applications, build APIs, and microservices that handle data processing, business rules and third-party … expertise with modern C# .Net Core, Python skills would also be of benefit (will also consider other OO languages e.g. C++, Java) You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems … contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Backend Software Engineer/Developer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're More ❯
Employment Type: Full-Time
Salary: £120,000 - £150,000 per annum
Posted:

Senior MTS Software Eng. Data Platform

austin, texas, united states
Hybrid / WFH Options
eBay
company, and our planet. Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all. Senior MTS Software Engineer, Data Platform Company: eBay Location: Austin/Portland/Toronto Job Type: Full-time About eBay eBay is a global commerce leader that connects millions of buyers and … strong backend infrastructure engineers who are passionate about building data systems that support our real-time, batch and AI systems. About the Role We are seeking a Sr. MTS Software Engineers to lead the architectural vision and technical strategy for eBay’s Core Data platform organization. This is a pivotal role where you will drive scalable, intelligent, and cost … enable users to build pipelines and manage data seamlessly. Your work will establish the foundation for the future of eBay's data platform infrastructure. We are seeking Data Platform Software Engineers, not Data Engineers. While familiarity with Spark, Flink, and other tools in the Hadoop environment is a definite advantage, your focus will be on building the data platform More ❯
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Senior Software Engineer

Nottingham, England, United Kingdom
Newman Stewart
Role: Senior Software Engineer (C++ Specialist) Salary: TBC Location: Nottingham, UK Are you an experienced Senior Software Engineer looking for a new challenge? We are seeking a talented and motivated professional to join a forward-thinking, globally recognised organisation at the forefront of innovation in industrial technology. This is a fantastic opportunity to contribute to cutting-edge product … enhancing efficiency, ensuring compliance, and reducing waste across various industries. With a commitment to quality and continuous improvement, they offer a market-leading portfolio of marking and coding systems, software, and services. The Role As a Senior Software Engineer and C++ expert, you will play a key role in designing, implementing, validating, and maintaining embedded software for … collaborating with engineers and stakeholders to deliver high-quality solutions that meet business and customer requirements. Key Responsibilities: Lead and contribute to the design, coding, and validation of embedded software solutions. Drive software quality and efficiency by implementing best practices in design and development. Develop and improve tools, frameworks, and methodologies to enhance software reliability. Work closely More ❯
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Senior Software Engineer

mansfield, midlands, united kingdom
Newman Stewart
Role: Senior Software Engineer (C++ Specialist) Salary: TBC Location: Nottingham, UK Are you an experienced Senior Software Engineer looking for a new challenge? We are seeking a talented and motivated professional to join a forward-thinking, globally recognised organisation at the forefront of innovation in industrial technology. This is a fantastic opportunity to contribute to cutting-edge product … enhancing efficiency, ensuring compliance, and reducing waste across various industries. With a commitment to quality and continuous improvement, they offer a market-leading portfolio of marking and coding systems, software, and services. The Role As a Senior Software Engineer and C++ expert, you will play a key role in designing, implementing, validating, and maintaining embedded software for … collaborating with engineers and stakeholders to deliver high-quality solutions that meet business and customer requirements. Key Responsibilities: Lead and contribute to the design, coding, and validation of embedded software solutions. Drive software quality and efficiency by implementing best practices in design and development. Develop and improve tools, frameworks, and methodologies to enhance software reliability. Work closely More ❯
Posted:

Senior Software Engineer

derby, midlands, united kingdom
Newman Stewart
Role: Senior Software Engineer (C++ Specialist) Salary: TBC Location: Nottingham, UK Are you an experienced Senior Software Engineer looking for a new challenge? We are seeking a talented and motivated professional to join a forward-thinking, globally recognised organisation at the forefront of innovation in industrial technology. This is a fantastic opportunity to contribute to cutting-edge product … enhancing efficiency, ensuring compliance, and reducing waste across various industries. With a commitment to quality and continuous improvement, they offer a market-leading portfolio of marking and coding systems, software, and services. The Role As a Senior Software Engineer and C++ expert, you will play a key role in designing, implementing, validating, and maintaining embedded software for … collaborating with engineers and stakeholders to deliver high-quality solutions that meet business and customer requirements. Key Responsibilities: Lead and contribute to the design, coding, and validation of embedded software solutions. Drive software quality and efficiency by implementing best practices in design and development. Develop and improve tools, frameworks, and methodologies to enhance software reliability. Work closely More ❯
Posted:

Software Engineer

Manchester, Lancashire, United Kingdom
Hybrid / WFH Options
Gemba Advantage
Software Engineer Application Deadline: 30 October 2025 Department: Software Engineering Employment Type: Permanent Location: Manchester (Hybrid) Compensation: £40,000 - £95,000/year Description Please note: For this role it is essential that you are willing and eligible to obtain DV Clearance. This role will require you to be onsite at a Manchester office 3 - 4 days … doing social good across the UK. Your role at Gemba: You will work as part of our agile delivery team, partnering closely with our customers, to deliver high impact software that meets their ever changing digital transformation needs. You will be responsible for the development of components of complex systems, using a variety of modern technologies and best practices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

South West, United Kingdom
Hybrid / WFH Options
Sanderson Recruitment
through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. As a Senior Software Engineer, you will be involved in the full lifecycle of software development; from small front-end changes to developing APIs supporting new functionality across multiple platforms. You will … quality code adhering to team and regulatory standards, including reviewing the work of peers. Collaborate with the team to deliver significant new features and enhancements for digital platforms. Provide engineering support and maintenance for existing applications. Ensure that all solutions, new and existing, are reliable, secure, performant, and maintainable. Develop and maintain automated tests alongside code and document solutions More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Primis
Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You’ll … work with automation-generated code, build connectors to external systems, and embed AI tooling into daily engineering workflows. This is a high-impact role in a fast-moving team solving real-world productivity challenges. Key Skills Python API integrations SQL Data modeling Sharepoint Webhooks AI-assisted development (Cursor, LLMs, guardrails) CI/CD, Docker, cloud exposure (Azure, AWS, GCP More ❯
Posted:

Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Primis
Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You’ll … work with automation-generated code, build connectors to external systems, and embed AI tooling into daily engineering workflows. This is a high-impact role in a fast-moving team solving real-world productivity challenges. Key Skills Python API integrations SQL Data modeling Sharepoint Webhooks AI-assisted development (Cursor, LLMs, guardrails) CI/CD, Docker, cloud exposure (Azure, AWS, GCP More ❯
Posted:

Full Stack Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Computer Futures
Full Stack Software Engineers - Build the Future from Anywhere in the UK! Ready to engineer solutions that matter? Join a cutting-edge tech company where your work powers AI-driven platforms, cloud-native systems, and secure digital infrastructure across industries. Whether you're mid-level or senior, your skills will help shape mission-critical applications used nationwide. Role: Full … Stack Software Engineer Location: Remote-first (UK-based) Salary: Up to £80,000 DOE Clearance: Must be SC Clearable (British Citizen, UK residency for 5+ years) Why You'll Love This Role This isn't your average dev job. You'll be part of a high-impact engineering team solving real-world problems with modern tech. From real More ❯
Employment Type: Full-Time
Salary: £50,000 - £80,000 per annum
Posted:

Founding Software Engineer

London Area, United Kingdom
Inferity AI
Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯
Posted:

Founding Software Engineer

City of London, London, United Kingdom
Inferity AI
Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯
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Senior Software Engineer - Compilers

Cambridge, Cambridgeshire, United Kingdom
Hybrid / WFH Options
Arm Limited
existing ones. (e.g. garbage collectors, interpreters, optimisation passes, intrinsics) Own and be accountable for medium/large technical areas of managed runtime or compiler development. Contribute to open-source software projects and engage with open-source community. Collaborate with colleagues across Arm to improve the support for the Arm Architecture and CPUs. Help develop the project automated functionality and … testing frameworks. Required skills and experience Strong programming skills in C/C++. Familiar with performance analysis tools and system level performance tuning. Be flexible, with a variety of software development skills and a commitment to extend the breadth and depth of knowledge. Familiar with open source project development and contribution processes. Knowledge of a computer architecture, arm64 is … preferred. Proficiency in software development and methodologies (coding, testing, debugging, reviewing) Clear and effective written and verbal communication skills Nice to have skills and experience Experience working on managed runtimes or compilers. Proficiency in one or more of the following languages: Java, C#, Rust, Go, JavaScript, Python Familiar with Agile software development methodology such as Scrum or Kanban. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Founding Software Engineer

london, south east england, united kingdom
Inferity AI
Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯
Posted:

Founding Software Engineer

slough, south east england, united kingdom
Inferity AI
Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯
Posted:

Founding Software Engineer

london (city of london), south east england, united kingdom
Inferity AI
Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯
Posted:

Software Engineer, Senior (Level III) - TS/SCI w Poly

King Of Prussia, Pennsylvania, United States
Hybrid / WFH Options
Lockheed Martin
can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. This is an exciting software development position within the growing Space Security division within Mission Solutions! Join one of the Foxtrot Program Area's Software Development Teams. We're seeking a talented and … motivated Software Engineer to join our exciting development effort and contribute to the success of a very challenging and rewarding mission. Development responsibilities include: • Software design, code and unit test. • Investigation into ad-hoc issues. • Ability to analyze and resolve complex mission problems. Typical Agile Scrum responsibilities include: • Participation in daily scrums. • Sprint/release planning. • Demos, and … 401K, PTO, and work/life balance and more. Basic Qualifications: • Selected candidate must have an active TS/SCI w/poly security clearance prior to start. • Recent Software Development experience in C#. • Ability to design software solutions to address complex problems • Comfortable working in an Agile Scrum environment • Be willing to provide consent/submit for More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Data Software Engineer – Quant Hedge Fund

London Area, United Kingdom
Winston Fox
firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick More ❯
Posted:
Software Engineering
10th Percentile
£45,000
25th Percentile
£55,000
Median
£75,000
75th Percentile
£100,000
90th Percentile
£132,500