501 to 525 of 3,173 Permanent Software Engineering Jobs

More: We are a company that has recently experienced unparalleled growth without redundancies, and we offer a supportive environment for engineers to grow and contribute. Years of Post-graduate Engineering Experience Ability and desire to work with various technologies across multiple projects, including Java, .NET, React, Angular, Node.js, and AWS Proven experience of working in a small team Excellent More ❯

Senior Software Engineer - Payments Location: United Kingdom (Remote/Flexible) Schedule: Monday-Thursday | Travel: 0-10% About the Company A leading global digital platform empowering creators and businesses to launch innovative projects. With billions processed worldwide, the company is dedicated to building transparent, compliant, and scalable financial systems that support a global community. The Role We're seeking a … Senior Software Engineer to join the Payments team , responsible for designing and maintaining compliant, efficient, and auditable global payment flows. You'll ensure accurate tax handling (VAT, HST, GST) and financial reporting across multiple jurisdictions, collaborating closely with Product, Finance, and Legal teams. Key Responsibilities Design, build, and maintain tax-aware, compliant payment systems. Develop automated solutions for tax … calculation, refunds, and reconciliation. Ensure regulatory and audit compliance across global payment flows. Translate business and compliance requirements into scalable technical solutions. Lead complex engineering tasks and support junior developers through mentoring. Participate in code reviews and on-call rotations to ensure reliability. About You Experience building or maintaining payments systems in fintech or marketplace environments. Strong knowledge of More ❯

Hybrid - 2-3 Days Onsite Reperio has partnered with a leading software company based in Dublin who are hiring a Senior Software Developer to join their growing engineering team. The role focuses on developing robust desktop applications and high-performance back-end services using a combination of C++ , C# , and .NET technologies , with additional exposure to cloud More ❯

so if you're excited about this position, we encourage you to apply - even if your experience doesn't match every requirement . About the role As a Lead Software Engineer, you will play a pivotal role in designing, developing, and maintaining high-quality software systems. You will lead technical projects, mentor junior engineers, and collaborate closely with … cross-functional teams to ensure successful project delivery. What you'll do Work with Engineering Directors on architecture to solve business needs and drive efficiency within the organization. Mentor and upskill engineering teams on technical approached for software development, testing, and documentation. Research methods and work with engineering teams to improve the security, resiliency, maintainability, and … of proven experience in front-end/UI development for web and mobile applications, along with backend development using Java (Spring Boot or similar frameworks) . Strong background in software architecture and design patterns . Proven expertise in building scalable, responsive, and high-performance UI components using ReactJS (React Native experience highly preferred) . Solid understanding of UI/ More ❯

so if you're excited about this position, we encourage you to apply - even if your experience doesn't match every requirement . About the role As a Lead Software Engineer, you will play a pivotal role in designing, developing, and maintaining high-quality software systems. You will lead technical projects, mentor junior engineers, and collaborate closely with … cross-functional teams to ensure successful project delivery. What you'll do Work with Engineering Directors on architecture to solve business needs and drive efficiency within the organization. Mentor and upskill engineering teams on technical approached for software development, testing, and documentation. Research methods and work with engineering teams to improve the security, resiliency, maintainability, and … of proven experience in front-end/UI development for web and mobile applications, along with backend development using Java (Spring Boot or similar frameworks) . Strong background in software architecture and design patterns . Proven expertise in building scalable, responsive, and high-performance UI components using ReactJS (React Native experience highly preferred) . Solid understanding of UI/ More ❯

Developing C# .NET software for agritech applications This establishing company develop mobile hardware products that are used for agritech applications. Their innovative approach to problem-solving provides autonomous solutions that enable users a cost-effective, robust way to mitigate seasonal changes. Joining a core team, as their newest Senior Software Engineer, you’ll work alongside software, electronics … in test conditions in a field. You’ll take an interest in tinkering and coming up with multidisciplinary ideas that can improve the technology. Your interests may lie in software architecture or code quality, but your overall approach will be working and contributing to complex and sophisticated innovations. Requirements: Strong track record of achievement through demonstrable software engineering … semi-rural location of their offices (just outside of Cambridge), this may not be a suitable role for those relying on public transport. Keywords: C#, .NET, Python, Linux, Cloud, Software Engineer, Electro-mechanical, Robotics, Start-up, Agritech Another top job from ECM, the high-tech recruitment experts. Even if this job's not quite right, do contact us now More ❯

Principal Software Engineer/Architect (C# .Net AWS) Remote/Bristol to £100k Are you a highly technical Principal Software Engineer with strong architecture and design skills? You could be progressing your career at a financial services tech consultancy that specialise in solutions for Pensions and Investment Managers. As a Principal Software Engineer/Architect you will … lead the design and development of scalable, robust and secure software solutions, playing a critical role in shaping the technical direction of products balancing architectural design patterns with pragmatic solution design and guiding engineering teams through implementation. You'll ensure secure coding and best practices are being followed and create appropriate technical documentation. There's approximately a … with great communication skills and experience of coaching and mentoring You're comfortable working as part of a leadership team What's in it for you: As a Principal Software Engineer/Architect you will earn a competitive package: Salary to £100k 25 days holiday plus an extra day off for your birthday and additional three days over Christmas More ❯

Software Development Manager/Software Engineering Manager/Senior Application Development Manager Overview: In this role, you will work in an Agile development environment to bring the designs and ideas to life for new or improved products and web applications. This work will support a mix of internal and external clients. You will be working on current … and upcoming projects that connect design, engineering, product development, and implementation to understand how those pieces impact infrastructure. You'll share your operational and process maturity with a growing team while building products for large enterprises to enable their workforce. No two days are the same as you work with your team, business leaders, and project management to understand More ❯

Graduate Software Engineer/Developer *Newcastle onsite* £33k+ - Start March or September 2026 Are you a bright, ambitious technologist with a top class education looking for an opportunity to join a tech start-up? You could be progressing your career at a rapidly growing Fintech that have secure backing and an established Hedge Fund client as a partner, gaining … valuable financial trading systems experience. As a Graduate Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. You'll be problem solving and working on complex, challenging systems with continual learning and self-development opportunities. Location … Python, C++, Java if you're happy to use C# going forward) You're a technologist who enjoys collaborating and problem solving You have a good knowledge of modern software engineering best practices across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You More ❯

Software Development Manager/Software Engineering Manager/Senior Application Development Manager Overview: In this role, you will work in an Agile development environment to bring the designs and ideas to life for new or improved products and web applications. This work will support a mix of internal and external clients. You will be working on current … and upcoming projects that connect design, engineering, product development, and implementation to understand how those pieces impact infrastructure. You'll share your operational and process maturity with a growing team while building products for large enterprises to enable their workforce. No two days are the same as you work with your team, business leaders, and project management to understand More ❯

Amazon's growing suite of generative AI services and other cutting-edge cloud computing offerings across the AWS portfolio. Annapurna Labs (our organization within AWS UC) designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve challenges that were unimaginable a short time ago—even yesterday. Our custom chips, accelerators, and software … stacks enable us to take on technical challenges that have never been seen before, and deliver results that help our customers change the world. AWS Neuron is the complete software stack for the AWS Inferentia and Trainium cloud-scale machine learning accelerators and the Trn1 and Inf1 servers that use them. This role is for a senior software … help tune these models to ensure highest performance and maximize the efficiency of them running on the customer AWS Trainium and Inferentia silicon and the TRn1 , Inf1 servers. Strong software development and ML knowledge are both critical to this role. About the team About the team Our team is dedicated to supporting new members. We have a broad mix More ❯

Software Developer Job Summary: We are seeking a Software Developer (APIs & Integrations) to join our team. This is a developer-first role: you will design and build integrations, applications, and data flows across our systems. HubSpot is one of the platforms you’ll work with, so experience with it is a plus — but not required. What matters most … Git. Troubleshoot integration issues, resolve bugs, and optimise performance. Stay current with SaaS/CRM API ecosystems and broader developer best practices. Required Qualifications: 3+ years’ experience as a software developer (not CRM admin/ops). Strong coding ability in at least one backend language (Python, Node.js, .NET, PHP, etc.). Hands-on experience with REST/GraphQL … SQL) and version control (Git). Track record of delivering API integrations or automation projects. Problem-solving mindset, with ability to own technical delivery end-to-end. Familiarity with software engineering best practices (testing, CI/CD, code reviews). Preferred Qualifications: Experience integrating CRM platforms (HubSpot, Salesforce, Dynamics, Zoho, etc.) at scale. Frontend skills with modern JavaScript More ❯

We are looking for a highly motivated Junior Backend Software Engineer (hybrid in London) to join an early stage technology company. This is a rare chance to join a startup at the very beginning - where your curiosity, ideas, and input will directly influence the product roadmap. You’ll be working closely with a small, experienced engineering team, building … real features in a modern codebase from day one. As a Junior Backend Software Engineer, you will be designing and implementing scalable, high-performance infrastructure services, APIs and integrations. You’ll join a small and growing R&D team focused on building ambitious new products from the ground up. You’ll work on real product features, contribute to design … single-page applications WebSockets Infrastructure as code (AWS CDK, Terraform, etc.) Docker AWS IoT What we’re looking for Circa 2 years of commercial or equivalent experience in a software development role building cloud-driven SAAS products, with a focus on building and maintaining infrastructure and backend services. Full stack experience with other languages and frameworks (e.g. React, Vue More ❯

decision-making and outcomes. Our 10,500 experts and innovative tools help us shape a better world for our customers and communities. About the Role We are hiring several Software Engineers at various levels to build AI capabilities through the delivery of AI technical research and proof-of-concept work. PatentSight+ enables core IP activities such as competitive intelligence … capabilities, all within a single platform. You will be working in a small, highly skilled agile team, with ownership over the mission and your development practices and process. Your engineering team will be mainly based in the UK and Germany. You will also work closely with an existing application team, data scientists, and a broader range of stakeholders distributed … while collaborating with stakeholders. Requirements: Experience working with a modern Python codebase. Experience with AWS or similar cloud providers, including knowledge of Infrastructure as Code (IaC) solutions. Understanding of software engineering techniques and processes. Demonstrable experience with AI engineering. Strong interpersonal, communication, and presentation skills applicable to a wide audience. Experience with Python, Azure Pipelines, and AWS CDK More ❯

if this opportunity is a good fit by reading all of the information that follows below. TherapyNotes is the go-to superhero for behavioral health Practice Management and EHR software! Our top-notch SaaS solution handles scheduling, billing, documenting, telehealth, and more so clinicians can focus on awesome patient care. We're a dynamic team of pros who love … to innovate and push the envelope, keeping our software cutting-edge. Join us, and let's revolutionize behavioral health software together while making a real difference! About The Job TherapyNotes is seeking a Software Developer to join our growing team. We are looking for a passionate engineer skilled in building scalable and responsive web applications and services … using Angular and ASP.NET Core. The ideal candidate will have demonstrated experience in implementing robust APIs using event-based software design and adhering to Service-Oriented Architecture (SOA) principles. They should excel in a collaborative environment. What You'll Do: Perform full-stack development including front end, business logic, and data access layers. Responsible for the entire development lifecycle More ❯

250+ building real-time, large-scale systems used by millions of users across the UK, North America and South Africa. This is a chance to work on business-critical software that directly drives user engagement and revenue. Hybrid role based in Manchester city centre (2 days per week onsite) About the Role: The company is transitioning from monolithic architecture … Work With: Modern microservices architecture powering high-volume systems Containerisation using Docker and Kubernetes for scalable deployments Cloud-native platforms and automated CI/CD pipelines Real-time performance engineering and distributed computing challenges Secure development practices with a focus on system architecture and compliance Key Responsibilities: Advocating TDD and solid development practices Providing technical leadership and peer development … Peer code reviews and effort estimations Designing, building, and maintaining scalable software applications Writing clean, efficient, and maintainable code Debugging and resolving complex technical issues Collaborate with end-users to gather requirements and provide support What You'll Need: Experience working on large commercial systems Strong skills in C#, .NET Core, and Web APIs Database experience, working with both More ❯

Principal Software Engineer - Shape the Future of UK GovTech Up to £95,000 + Premium Benefits Remote-First | Just 1 Day Onsite Every 2 Weeks SC Clearable | British Citizens Only Lead Innovation. Drive Transformation. Make an Impact. Ready to take the reins on projects that power national security and digital transformation This is your chance to lead at the … intersection of technology and purpose . As a Principal Software Engineer , you'll architect cloud-native platforms , mentor elite engineering teams, and influence technical strategy across mission-critical government programmes . Your work won't just be code-it will shape the future of UK GovTech . Your Role in Action Architect secure, scalable, resilient systems using modern More ❯

days working from home. This approach promotes a balanced work environment that combines office collaboration with the comfort and convenience of remote work." Klipboard offer industry-specific, cloud-based software across wholesale distribution, automotive, retail, rental, manufacturing, transport management and field service management. We are experiencing significant growth in markets across North America, Europe and Africa, and indeed beyond. … right candidates, with the right aptitude for innovating some great products for our much-valued customers. You will perform the role of a key member of a team of Software Developers/Engineers and Quality Assurance Test Engineers who work closely with Solution Designers in transforming requirements into deliverable solutions, your primary focus within the team will be designing … and engineering suitable, scalable and maintainable software solutions which meet the demands of our customers and internal stakeholders. Teams are responsible for decomposing and refining requirements, identifying acceptance criteria, designing solutions, building them and testing them. They also spread knowledge of their solutions to other stakeholders across the business in the form of demonstrations and documentation. You would More ❯

. You’ll work directly with clients to uncover problems, build prototypes, and guide full AI-enabled solution lifecycles. This is a role for engineers who: Enjoy building real software that makes a difference Are passionate about AI and its practical application Thrive at the intersection of technical leadership and client engagement What You’ll Do Customer-Facing Leadership … Lead discovery workshops with technical and business stakeholders Represent the organisation’s technical capabilities in high-stakes client meetings Build trust and long-term relationships with engineering teams and decision-makers Solution Development & Architecture Build and iterate working AI prototypes quickly Architect scalable, maintainable systems from prototype to production Make sophisticated technical decisions balancing AI innovation, quality, and deployment … systems Design evaluation frameworks addressing bias, hallucination detection, and business impact Explore novel AI applications while integrating traditional ML techniques where appropriate Skills: 5–8+ years building robust, scalable software systems Full-stack development capability across modern technologies Client-facing experience or technical consulting skills AI curiosity and hands-on experimentation with tools like ChatGPT, Claude, GitHub Copilot More ❯

Full Stack AI Software Engineer - Full Remote UK - £90,000 + Equity This role requires a software engineer with experience in implementing RAG pipelines and Vector Search (and hybrid AI searches, preferably). The client I am working with is an AI focused start-up backed by a £1.7M pre-seed investment. They are on a mission to … the lengthiness and challenges of deal processes in the past. Their stack spans across back end, front end, data and crucially AI.This is a great opportunity for an entrepreneurial software engineer who wants to play a part in shaping the technical vision of this business and work on their product from an early stage. What you'll work on … React/Next.js . Solid experience with both SQL and NoSQL databases (Postgres, DynamoDB, etc.). Exposure to LLMs, embeddings, and vector search APIs . Strong understanding of data engineering , schema design, ETL, and optimisation. Proficiency with cloud (AWS preferred) and containerised deployments (Docker, ECS). Knowledge of secure coding practices and managing sensitive data. Excellent communication, problem-solving More ❯

we adjust to the new normal-and that's where you come in! If you're ready to take off with us, keep reading! Role Are you a Senior Software Engineer with extensive programming experience? We're not looking for stack experts. We're looking for smart people who can bring in the best tools and processes to get … the job done. Read more about our engineering team in this blog post. Responsibilities Product development in Python/Django and/or React of a travel-related web-based product Integrations between our product and 3rd party APIs System architecture design, implementation, and testing Work in an Agile environment with strong attention to well-documented code, unit testing … and continuous integration Mentor, coach, and train other colleagues as a domain expert Required skills and experience "Product Engineering" mindset Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language Expert level at server-side, client-side or full stack development. Your final role within the team More ❯

time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert. The Role We're looking for a Senior Software Engineer to join one of our multidisciplinary, cross-functional, lean delivery squads, focused on rapidly delivering value to our customers through our mobile app and website. Our ideal candidate … right way. You will lead by example; getting your hands dirty in the code, inspiring your peers & helping to educate your stakeholders. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently, as well as collaboratively, on … user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that delivers value to consumers, in a thoughtfully pragmatic way. As well as contributing to production-grade code bases, you will also be keen to help shape the vision for the product, happy to mentor and upskill More ❯

Overview The engineering team at Chainalysis is inspired by solving the hardest technical challenges and creating products that build trust in cryptocurrencies. We're a global organization with teams in Denmark, UK, Canada, Israel, and the USA who thrive on the challenging work we do and doing it with other exceptionally talented teammates. Our industry changes every day and … to create user facing products supported by a flexible and scalable data platform allowing us to adapt to those rapid changes and bring value to our customers. As a Software Engineer within the Investigations group, you'll join a remote team of other engineers and share the responsibility of providing the right tools for the right data in order More ❯

this role, you'll architect and develop both provider-side and end-user experiences that power unified billing, one-click provisioning, and frictionless integration workflows. You'll collaborate with engineering teams across the entire stack-from v0 to Infrastructure-to build deep, native integrations that feel like core Vercel features. If you're based within a pre-determined commuting … on accuracy, security, and scalability. Exhibit excellent problem-solving abilities and effective communication skills, especially when collaborating with diverse teams. Enjoy engaging with various partners, particularly those outside of engineering Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. Flexible More ❯

best industry practices. You are expected to be involved in the design and architecture of the solutions while also focusing on the entire SDLC lifecycle stages. Our Front-End Engineering team is at the heart of this venture, focused on getting smart ideas into the hands of our customers. We're looking for people who have a curious mindset More ❯