651 to 675 of 924 Permanent Senior Software Engineer Jobs

Senior Backend/Full Stack Engineer (Contract) – API Team | Outside IR35/B2B - Remote Evantis is working with a fast-moving tech company that’s building out a new API engineering team to power the next generation of partner and customer integrations. We’re looking for multiple engineers with strong backend experience in Node.js/TypeScript and the More ❯

Are you a Software professional with a background in DSP and have exposure to developing 5G applications? If so I'd like to speak with you! A well-established R&D organisation who are also a market leader, are looking to rapidly expand their engineering team and as such are seeking an Embedded Software Engineer to join 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 ❯

security clearance. Working: This role is full time office based with possible flexible working hours and potential for a compressed working week. Overview This is an open opportunity for Software Engineers at all levels We're actively hiring across a range of projects and teams, so whether you're looking to grow your skills or lead technical strategy, we … want to hear from you. As a Software Engineer, you'll be working in a small multi-disciplined engineering team develop innovative solutions to complex customer problems ranging from early research to full product development. Work flexibly across a range of frameworks and coding languages to deliver rapid prototypes and demonstrators. Take these concepts into more mature solutions … leading to a full product release. Main responsibilities: Work across the development lifecycle to design, implement and test solutions to customer problems. Develop software targeting a range of areas from bare-metal MCU, signal processing, Embedded Linux, GUI development on Windows, Linux and mobile; data analytics using Jupyter notebooks. Program in a range of languages appropriate to the solution More ❯

Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes. Role Overview We are seeking a Senior Engineer to fill the role of 'Applications Development Technology Lead Analyst' on the XiNG large scale distributed calculation platform (XiP). In this role you will design, build … thousands of pods across the entire XiP platform every day, this calculation engine is both highly performant and rapidly changing to support new scenarios, technologies, and infrastructure. As an engineer working on the calculation engine. You will work closely with software engineers, DevOps, and our customers to ensure reliable, secure, and scalable operations of our platform. Responsibilities Take … improve large, distributed calculations. Act as a primary point of contact for clients to address issues and optimize inefficiencies that arise during distributed workload execution. Qualifications Multiple years professional software development experience with Java. Solid experience with Java frameworks (e.g., Spring, Spring Boot, Quarkus). Experience designing, building, and maintaining large-scale, distributed systems. Experience with RESTful API design More ❯

debugging complex issues. This role supports our engineers through mentorship, code contributions, and technical guidance, while helping ensure products meet internal policies and deliver meaningful customer value. Key Accountabilities SOFTWARE DEVELOPMENT: Designs and develops an approach and guidance for high quality software solutions. COLLABORATION: Partners with a cross-functional team of product managers, designers and other engineers, as … Supports our technical talent through coaching, providing technical guidance, as well as accessing their skillsets to help challenge and drive their growth. CONTINUOUS IMPROVEMENT: Recommends options for improving the software development and deployment processes and implements the approved standards to improve efficiency and reliability. DOCUMENTATION: Creates and maintains comprehensive documentation for complex software applications, deployment processes and system … delivery and operational transparency. - Demonstrated ability to collaborate with product teams across diverse B2B domains, ensuring alignment with enterprise architecture and platform strategy. This role's internal title is Senior Software Engineer. This is a hybrid role located in our Atlanta, Georgia Equal Opportunity Employer, including Disability/Vet. More ❯

Join a pioneering technology company that designs and manufactures high-performance electronic systems used in critical real-world applications. The Role We’re looking for an experienced Senior Embedded Software Engineer to contribute to the development of next-generation smart instrumentation products. These devices deliver reliable, high-quality performance in environments where precision and responsiveness are essential. … You’ll design, implement, and maintain embedded software across the full development lifecycle, playing a key role in architecture, development, and validation. Key Responsibilities Develop high-quality embedded C software for complex, real-time systems. Produce software requirements, specifications, and supporting documentation. Participate in design reviews and establish technical best practices. Develop and maintain firmware for microcontroller … Skills Strong embedded C programming experience. Experience with 16/32-bit microcontrollers, RTOS, and communication protocols (SPI, I2C, TCP/IP). Familiarity with safety-critical or regulated software development processes. What’s on Offer Competitive salary ranging between £45-75k DOE + an annual bonus (up to 12%). Comprehensive benefits package including pension and healthcare. More ❯

Join a pioneering technology company that designs and manufactures high-performance electronic systems used in critical real-world applications. The Role We’re looking for an experienced Senior Embedded Software Engineer to contribute to the development of next-generation smart instrumentation products. These devices deliver reliable, high-quality performance in environments where precision and responsiveness are essential. … You’ll design, implement, and maintain embedded software across the full development lifecycle, playing a key role in architecture, development, and validation. Key Responsibilities Develop high-quality embedded C software for complex, real-time systems. Produce software requirements, specifications, and supporting documentation. Participate in design reviews and establish technical best practices. Develop and maintain firmware for microcontroller … Skills Strong embedded C programming experience. Experience with 16/32-bit microcontrollers, RTOS, and communication protocols (SPI, I2C, TCP/IP). Familiarity with safety-critical or regulated software development processes. What’s on Offer Competitive salary ranging between £45-75k DOE + an annual bonus (up to 12%). Comprehensive benefits package including pension and healthcare. More ❯

professional, educational and life experiences to realize our bold vision for healthcare. At Datavant we value Engineers who problem solve, build, and understand the methodologies and underlying concepts of software engineering. As a Software Engineer you will be a major factor in growing our healthcare data ecosystem solution for our clients. Don't know our tech stack More ❯

release independence. This is your chance to shape how thousands of users interact with our platform, making every click intuitive, every journey effortless, and every experience memorable. As a Senior Engineer, you'll work closely with our Principal Engineer and Squad members to scope and deliver impactful features. While most of your work will focus on Back … End development (Java), you'll also have the chance to contribute to Front-End projects (React). Our Squads typically consist of 1x Principal Engineer, 3-4x Back-End, 1-2x Front-End, 1-2x QA, and 1x A utomation QA and team members are spread across multiple locations. The Engineering Manager , who you'll report … You have the ability to mentor team members, sharing your knowledge and also work independently. Has represented the team in design discussions by presenting and defending proposed solutions to senior technical stakeholders such as Principal Engineers or Architects. You have collaborated openly with the team on shared items of work and communicated well in a team-oriented environment across More ❯

to £65,000 + bonus & excellent benefits Clearance: British Citizen or Dual UK National with British citizenship Copello are working with a leading defence technology partner seeking a Principal Software Engineer to join their New Product Development team, driving the next generation of mission planning and control systems . The Role Youll lead the design and delivery of … complex software solutions across the full development lifecycle, collaborating with international teams and mentoring engineers within a dynamic, high-performing environment. What Youll Bring Strong proficiency in Core Java and/or C++ Proven experience delivering complex software systems end-to-end Solid understanding of the software development lifecycle Strong communication skills and stakeholder engagement experience Experience More ❯

board. We're currently scaling up fast so we can position ourselves as a leading FinTech product in the market. What's the position? We are looking for a Senior Backend Software Engineer to join our growing team. You will be responsible for leading the entire software development lifecycle-from designing and developing to testing and … deploying software solutions. Working closely with cross-functional teams, you'll help create scalable and robust solutions that power Quilter Invests platform. This role offers a unique opportunity to work on high-impact features, optimise backend performance, and shape the architecture that supports the company's growth. What are my roles and responsibilities? Key Responsibilities: Lead the design, development More ❯

Senior Full-Stack Developer (React/Python) – Remote (UK) We’re looking for an experienced Senior Full-Stack Developer to join our small, highly skilled engineering team building a next-generation Financial Services Regulatory Compliance platform . You’ll work on complex systems that combine an elegant, data-driven frontend with powerful Python APIs and AI-backed analytics More ❯

Overview FLYR Amsterdam, North Holland, Netherlands We are looking for an experienced Backend Engineer, Senior Level, to join our Offer Team composed of full-stack and backend engineers. You will be working on our new Offer Product which will combine flight and ancillary services into personalized offers for travelers and enable the distribution of offers through all channels. … communicate technical solutions effectively, and report progress. Work in a product-focused scrum team to deliver against a roadmap managed by a dedicated product owner. Qualifications 5+ years of software engineering experience in languages like Golang, Python, C/C++, Java, etc. And OOP. Proven leadership skills with the ability to mentor and guide new members, grow the engineering More ❯

up with a startup's grit. We encourage a workforce where no idea is too small, and no two days are the same. At R3, you will be a Software Engineer with a product mindset, building platforms for today's world financial system. You'll be part of our multidisciplinary engineering team, where you will build end to … end deployable distributed services, and work closely with Principal Engineer, Product managers, Solutions Architect, and Application Engineers. You will be building substantial enhancements as well as maintaining our Corda platform, that underpins diverse customer solutions. Corda is a DLT designed for running complex workflows between businesses, without any centralized points of control. You will work on a blockchain/… code, which knits together with IaC (Infrastructure as Code) that forms the core of our platform. You will be responsible for independently delivering medium to large sized pieces of software to a production standard. Skills & Qualifications Excellent problem-solving, critical thinking, and decision-making abilities. 5+ years of experience in software engineering role, preferably building a SaaS or More ❯

Who is Flock? Flock Safety is the leading safety technology platform, helping communities thrive by taking a proactive approach to crime prevention and security. Our hardware and software suite connects cities, law enforcement, businesses, schools, and neighborhoods in a nationwide public-private safety network. Trusted by over 5,000 communities, 4,500 law enforcement agencies, and 1,000 businesses … impossible. If you value teamwork, ownership, and solving tough problems, Flock could be the place for you. The Opportunity With the exponential growth of live devices, we need an engineer who can help build, maintain, and scale the fleet management services at Flock that help keep things running smoothly. As an integral member of the fleet team, you'll … to good weeks, which lead to good months. This serves as a preview of the 90 day plan you will receive if you were to be hired as a Software Engineer III at Flock Safety. The First 30 Days Meet with colleagues! Understand current processes and procedures Work on tasks for the sprint with support Work towards understanding More ❯

About the role We’re looking for a Senior Engineer with strong technical depth and a passion for building exceptional user experiences. You’ll play a key role in shaping our front-end architecture, collaborating closely with product and design teams, and delivering scalable, performant solutions used by legal professionals worldwide. As a senior member of the More ❯

About the role We’re looking for a Senior Engineer with strong technical depth and a passion for building exceptional user experiences. You’ll play a key role in shaping our front-end architecture, collaborating closely with product and design teams, and delivering scalable, performant solutions used by legal professionals worldwide. As a senior member of the More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

identity for Zero Trust security in the cloud. This is your opportunity to get in at an early stage and help us build Cofide into an industry-defining company. Senior/Staff Software Engineer role: This is a full-time remote role for a Senior/Staff Software Engineer. At Cofide you will play a … e.g. AWS, GCP, Azure), Kubernetes and cloud native distributed systems development, securing services (i.e. mTLS/PKI/OAuth/JWT, ideally with SPIFFE/SPIRE, service mesh), and software development with Go is required. Our tech stack includes gRPC APIs, PostgreSQL, SaaS, service mesh, Linux, Terraform, Helm, Docker and GitHub. Desirable soft skills include curiosity, high agency, and More ❯

We are looking for two experienced Senior Software Engineers to join our team in Central London. This role is focused on building and enhancing our Expenses and Procurement product suite. Tipalti Engineering Our tech teams are the engine behind our business. Tipalti's technology ecosystem is extremely rich, and we continually add new features to our products, ensuring … take ownership of your code and are responsible for delivering high quality solutions. You care deeply about building reliable, well designed, and well tested systems. You are a versatile engineer with broad technical knowledge who can quickly adapt to new products, projects, and technologies. What will you do Design, build, and maintain end to end features for our Expenses More ❯

We’re hiring for our client, a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They’re on the lookout for talented .NET Software Engineers to join their journey of building the next generation of API-driven, merchant-first technology. Why join them? They believe empowered teams do their best work when bureaucracy … ll join a collaborative, outcome-focused environment where curiosity, problem-solving, and growth are at the heart of everything they do. What you’ll be doing As a .NET Software Engineer, you’ll design and develop backend services, APIs, and portals that power their payment platforms. You’ll get to work with modern software practices like Behaviour … responsibilities will include: Translating merchant and partner needs into high-quality, innovative solutions. Improving development processes through automation, simplification, and best practices. Building quality into every stage of the software lifecycle with a strong focus on testable, observable behaviours. Collaborating across teams to ensure timely, technically accurate deliverables. Supporting deployments from requirements analysis all the way to production release. More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯