301 to 324 of 324 Permanent Senior Full Stack Developer Jobs

team is building an elite group of engineers with a strong sense of shared responsibility and ownership. Because who you work with matters. You will act as a senior backend developer for a new system being developed from the ground up to provide workflow automation, modernization, oversight, and mission cognizance for mission critical work roles. You … will provide input into design, development, and integration of a complex web-based application. You will be working on a mixed skillset team consisting of frontend, backend, and full stack developers as well as data analysts and a UX designer in close collaboration with the mission customer. Responsibilities: Work with a multi-disciplinary team to gather … Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships. Or use this annual benefit to repay a student loan tax-free. For a full overview of our benefits, please visit our benefits tab. Additional Perks and Benefits Stock Plan: Become an equity owner with a yearly stock grant-let's build the future More ❯

Job Title: Senior- Lead Ruby on Rails Developer (Backend Focused) Location: Preston (4-5 days in office) Salary: up to £75k including bonus Job Type: Full-time, 5 days a week About my client: They are a profitable and growing SaaS company in the workforce management space. Role Overview: Seeking an experienced Ruby on … Rails Developer with a backend focus. You’ll work with Ruby on Rails (Rails 7) and PostgreSQL. Flutter experience is a plus but not required. Key Responsibilities: Develop and maintain Ruby on Rails applications. Mentor Junior Developers Lead and manage projects Tech Stack: Ruby on Rails (Rails 7) PostgreSQL Flutter (not required) What They Offer: £65k … to the area/open to relocation and have commercial Ruby experience, it is a good opportunity for candidates who want to step up in their career with Senior responsibilities.They are stable, growing and entrepreneurial as a company, so you will get a lot of opportunities to make an impact there. More ❯

A leading UK Bank are recruiting for a Senior Quant Algo Developer supporting the Equity Derivatives team building algorithmic volatility trading stack and markets facing analytics working alongside traders, developers, quants, compliance and risk teams. Responsibilities will include: Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and … modern C++ and experience with data engineering practices using KDB+/q. This role is based out of our London office with requirement to go to the office full time, some flexibility may be available after probation period. More ❯

A leading UK Bank are recruiting for a Senior Quant Algo Developer supporting the Equity Derivatives team building algorithmic volatility trading stack and markets facing analytics working alongside traders, developers, quants, compliance and risk teams. Responsibilities will include: Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and … modern C++ and experience with data engineering practices using KDB+/q. This role is based out of our London office with requirement to go to the office full time, some flexibility may be available after probation period. More ❯

We are looking for Java Full Stack Development Engineers to join our team. Our teams are currently working in an Agile environment using some of the latest technologies. You will work in small teams to design and develop secure Cloud-Agnostic applications using React, Spring Boot, AWS Lambda, and microservices. Deployment targets include AWS (EC2s) and … like working on mission critical fielded systems? How about a fast-paced feature rich project? Give us a call. We have an exciting opportunity to work as a full stack Java developer with amazing engineers. Clearance: We mainly seek individuals with a TS/SCI, or a TS/SCI + CI Poly, or … contracting business. If you have a background in coding and computer security and want to take your career to the next level, with the ability to learn from senior engineers invested in your success, apply today More ❯

Senior Software Engineer, Python, AWS, MedTech, COR7276 This is an excellent Senior Software Engineer/Python Developer position, working for an innovative MedTech company with a growing reputation in their field. Working in a full-stack capacity, but with a back end focus, the Senior Software Engineer/… Python Developer will use their knowledge across Python, cloud technologies (AWS), databases, Kubernetes, Terraform and microservice architecture to design and build key platforms for the business, that utilise Machine Learning and AI to analyse complex medical imaging data. The Company The Senior Software Engineer will join an innovative Machine Learning MedTech company with offices in both … Oxford and London. The Senior Software Engineer will contribute to a supportive team environment, which rewards hard work and innovative thinking. They offer hybrid working, with up to 4 days a week working from home. Benefits Some of the benefits on offer for the Senior Software Engineer/Python Developer, include: Flexible working More ❯

Senior Software Engineer, Python, AWS, MedTech, COR7276A This is an excellent Senior Software Engineer/Python Developer position, working for an innovative MedTech company with a growing reputation in their field. Working in a full-stack capacity, but with a back end focus, the Senior Software Engineer/… Python Developer will use their knowledge across Python, cloud technologies (AWS), databases, Kubernetes, Terraform and microservice architecture to design and build key platforms for the business, that utilise Machine Learning and AI to analyse complex medical imaging data. The Company The Senior Software Engineer will join an innovative Machine Learning MedTech company with offices in both … Oxford and London. The Senior Software Engineer will contribute to a supportive team environment, which rewards hard work and innovative thinking. They offer hybrid working, with up to 4 days a week working from home. Benefits Some of the benefits on offer for the Senior Software Engineer/Python Developer, include: Flexible working More ❯

Senior Software Engineer, Python, AWS, MedTech, COR7276A This is an excellent Senior Software Engineer/Python Developer position, working for an innovative MedTech company with a growing reputation in their field. Working in a full-stack capacity, but with a back end focus, the Senior Software Engineer/… Python Developer will use their knowledge across Python, cloud technologies (AWS), databases, Kubernetes, Terraform and microservice architecture to design and build key platforms for the business, that utilise Machine Learning and AI to analyse complex medical imaging data. The Company The Senior Software Engineer will join an innovative Machine Learning MedTech company with offices in both … Oxford and London. The Senior Software Engineer will contribute to a supportive team environment, which rewards hard work and innovative thinking. They offer hybrid working, with up to 4 days a week working from home. Benefits Some of the benefits on offer for the Senior Software Engineer/Python Developer, include: Flexible working More ❯

technologies. But our secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future. We are looking for Senior Software Developer to join our Cambridge-UK team! Position Overview: A highly skilled developer with strong C programming and good Python exposure as well as … You must be based in the UK and have the right to work in the UK. Responsibilities: Play a significant role in the design and development of our full-stack system software embedded in HSMs, client-side tools, API libraries. Develop features from inception to delivery Software design & coding, testing, and review. Essential Qualifications: Degree or … we don’t just offer jobs – we offer career journeys. Here is what you can expect when you join our team: Career Growth: Whether you’re a budding developer or a seasoned expert, we’re invested in your professional journey. With learning-forward initiatives and exciting challenges, your growth is our priority. Flexibility: Life is all about balance. More ❯

Senior Rust Developer (x3) | Permanent | London (2 days/week hybrid) | Iconic Brand in Retail & Hospitality We are working with household name that's leading a digital transformation in the retail and restaurant industry. Looking to hire 3 Mid/Senior Rust Developers to build high-performce, scalable systems that support millions of real … time transactions every day. Location: Hybrid - 2 days per week in our central London HQ Type: Full-time, Permanent Salary: £60,000 - £85,000 per annum + benefits Domain: Retail/Hospitality/Consumer Tech Tech Stack: Rust, Cloud (AWS/GCP), Microservices, Event-driven architecture Why join us: Work for a globally recognised consumer brand More ❯

Senior Rust Developer (x3) | Permanent | London (2 days/week hybrid) | Iconic Brand in Retail & Hospitality We are working with household name that's leading a digital transformation in the retail and restaurant industry. Looking to hire 3 Mid/Senior Rust Developers to build high-performce, scalable systems that support millions of real … time transactions every day. Location: Hybrid - 2 days per week in our central London HQType: Full-time, PermanentSalary: £60,000 - £85,000 per annum + benefitsDomain: Retail/Hospitality/Consumer TechTech Stack: Rust, Cloud (AWS/GCP), Microservices, Event-driven architecture Why join us: Work for a globally recognised consumer brand with a strong tech More ❯

Lead Java Developer/Software Engineer (Java Kafka Spring Boot) London/WFH to £120k Are you a skilled Java Developer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Java Developer position at a scale-up … technology company with a successful workforce management solution used within the government, defence and other public sector clients. As a Lead Java Developer you will take a lead role in designing and developing secure, event driven, distributed backend systems for real-time operations, resilience and extensibility. You'll collaborate with engineers across the full stack … continually based in the UK) and be DBS checked due to the nature of the project/client What's in it for you: As a Lead Java Developer you will receive a competitive package: Salary to £120k + potential equity Hybrid working with only one day a week in London office Pension, Healthcare Impactful role with excellent More ❯

of disciplines who see security as an enabler for the future of our brand" - Åsmund Sand, Principal Security Engineer About the role We are now looking for a Senior Cloud Security Engineerwho can take ownership in the cyber security area. In the first year you can expect to focus on identity and access management challenges to scale our … well. Our backend is primarily written in Go and follows, for the most part, an event-driven architecture. We generally operate at a higher level of the cloud stack, while working with virtual machines and kubernetes is reserved for specific cases. In terms of Web, we have a good deal of React and Next, and a growing investment … within Go, C/C++ and Web We believe that you Have experience with scripting and programming in one or more languages. You have worked as a software developer in a software team, or maybe as a site reliability engineer, and somewhere down the line sparked an interest and passion for security that you would like to pursue More ❯

Elasticsearch Associate Engineer Location: Chantilly, VA Work Type: Full Time (Onsite) Job Description: GridIron IT is seeking an Elastic Associate Engineer with an Active Top Secret (SCI Eligible) Clearance. Responsibilities: Assist in designing, developing, and deploying log analytics and infrastructure monitoring solutions using the Elastic stack (Elasticsearch, Logstash, Beats, and Kibana) to support an existing identity … credential, and access management (ICAM) system. Help deploy, configure, test, troubleshoot, maintain, and upgrade Elastic clusters and environments under the guidance of senior team members. Support the optimization of Elasticsearch infrastructure and configuration to maintain cluster health and search performance. Interface with other developers to integrate Elastic stack with existing ICAM baseline Help resolve installation, infrastructure … degree in related discipline plus 4-6 years of prior relevant experience or master's with less than 2 years of prior relevant experience Experience as a software developer, integrator, administrator, or similar technical role Active Top Secret clearance Must be able to obtain and maintain CI (Counterintelligence) polygraph Must be DoD-8570/8140 level 2 compliant More ❯

Job Title: Head of Operations Type: Full-time | Leadership | Equity Available Industry: Web3 | AI Infrastructure About Us We are building the future of compute. Our platform is a decentralized, enterprise-grade cloud network , delivering scalable, globally distributed GPU resources for AI training , high-performance gaming , and Web3 infrastructure . By democratizing access to GPU power, we are accelerating … and strategic initiatives to ensure seamless execution. Key Requirements 8+ years of experience in operations, business management, or technical program management, with at least 3 years in a senior leadership role. Proven experience scaling operations in high-growth or distributed environments (e.g., cloud-native, global teams, remote-first). Strong familiarity with blockchain/Web3 ecosystems, including decentralized … AI/ML or compute infrastructure operations is a significant plus (e.g., managing GPU resources, vendor logistics, or infrastructure procurement). Understanding of open-source community dynamics and developer ecosystem needs. Experience leading remote and interdisciplinary teams across time zones. Strong communication skills with demonstrated executive presence and stakeholder alignment. Preferred Operational Stack/Tools Project More ❯

Job Title: Head of Operations Type: Full-time | Leadership | Equity Available Industry: Web3 | AI Infrastructure About Us We are building the future of compute. Our platform is a decentralized, enterprise-grade cloud network , delivering scalable, globally distributed GPU resources for AI training , high-performance gaming , and Web3 infrastructure . By democratizing access to GPU power, we are accelerating … and strategic initiatives to ensure seamless execution. Key Requirements 8+ years of experience in operations, business management, or technical program management, with at least 3 years in a senior leadership role. Proven experience scaling operations in high-growth or distributed environments (e.g., cloud-native, global teams, remote-first). Strong familiarity with blockchain/Web3 ecosystems, including decentralized … AI/ML or compute infrastructure operations is a significant plus (e.g., managing GPU resources, vendor logistics, or infrastructure procurement). Understanding of open-source community dynamics and developer ecosystem needs. Experience leading remote and interdisciplinary teams across time zones. Strong communication skills with demonstrated executive presence and stakeholder alignment. Preferred Operational Stack/Tools Project More ❯

IT Manager Location: Chelmsford Salary: £70k-82k (dependent on experience) & Bonus & Benefits Role Overview Our client who are an award-winning Property Developer and Construction firm is seeking an experienced IT Manager to lead the operation and continuous improvement of their IT function. This pivotal role involves managing technology projects, enhancing system performance, and ensuring robust security and … whilst managing a small team. Key Responsibilities Lead and manage the day-to-day operations of the IT department, setting objectives aligned with the strategic plan. Collaborate with senior leadership to develop and monitor the IT annual operating budget. Represent the IT function in management forums and foster cross-departmental collaboration. Provide leadership and support to end users … Security: Azure Active Directory (AAD), Security Center, and compliance with Cyber Essentials Plus. Azure Monitoring & Management: Automation tools and performance monitoring. Azure Governance: Policy creation, cost control, and full Microsoft Cloud Stack familiarity. Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to More ❯

and compliance. However, we are equally open to candidates with a more hands-on technical profile over people and process management. This flexibility is supported by a strong Senior Director of Engineering who oversees day-to-day team management and a technical Chief Product Officer who can partner on shared responsibilities. In either model, you'll be our … most senior and capable technologist, championing architectural clarity, technical depth, and inclusive, AI-driven innovation. You'll also be a key figure in strategic customer engagements, especially where technology is at the core of the conversation. Location_ This is a remote-first leadership role, open to candidates in the UK. Some occasional travel may be required for planning … sessions, strategic customer engagement, or team events. Responsibilities_ Technical & Architectural Leadership Define and continuously evolve Masabi's long-term technical strategy aligned with scalable growth Take full accountability for platform stability, extensibility and technical integrity Guide architectural decision-making with clarity and pragmatism Maintain hands-on connection with our code and systems, leading by example to model engineering More ❯

Vacancy for a Lead Applications Developer at the Archaeology Data Service Vacancy for a Lead Applications Developer at the Archaeology Data Service 14 September 2021 University of York - King's Manor, York city centre £40,927 - £50,296 plus additional market supplement, based on experience Fixed Term The Archaeology Data Service (ADS) is a world-leading … number of international projects. This is a new role which is designed to increase the applications development capacity of the ADS, to lead on improving the current applications stack and enhancement of services, and to lead the small team of developers in evolving best practices and skills training. You will lead a team that develops web applications across … all areas of ADS activity. The primary focus of your role will be to provide line management and senior technical leadership to developers who are working on new projects and supporting existing services. You will take a hands-on development role and work collaboratively to define common approaches to application development and integration, and develop the team's More ❯

Job Title: Senior Electronics Firmware Engineer Location: Outskirts of Gloucester Salary: £60-£80k (Depending on experience) Working Arrangement: 2/3 Days On-Site Per Week Business Overview: Are you ready to make a real impact using cutting edge technology? My client, based in Cheltenham are a leading Software and manufacturing company, and are seeking a Full Stack Developer to join their dynamic team. With an impressive employee turnover rate of 2% they pride themselves on a great culture and flexible working environment where people stay. They design and manufacture products that enhance safety. They have a range of innovative solutions within their industry. If you’ve travelled within the UK … a relevant field, such as Software Engineering Notable Benefits: Discretionary Bonus related to Individual & Company Performance, Private Medical Insurance, Hybrid Working Please apply to find out more and full details will be shared. More ❯

work with the world's leading cultural brands and have a deep rooted history in innovation, XR and crafted storytelling. The Role: We are now looking for a Senior Technical Writer to work closely with our Tech Leads to maintain both internal and client facing technical documentation for our frontend and backend systems of a new XR product … experience. What You'll Do: Work with the Tech Leads and Technology Directors to define and then taking ownership of building the overall frontend framework, to support the full app development team from prototype through live operations. Own the all technical documentation and technical diagrams and organise. Support Tech Lead to approve PR/Merge requests from the … with technical documentation. What You Will Bring : Significant experience on delivering both internal and client facing documentation for Kotlin based projects. Proven experience creating technical documentation (SDKs, APIs, developer guides) for software engineers. Ability to write clear and concise reference materials for frontend, backend, and full-stack teams. Experience documenting complex software ecosystems (ideally More ❯

Lead Backend Software Engineer/Developer (Java Kafka SpringBoot) London/WFH to £120k Are you a skilled Backend Software Engineer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Backend Software Engineer position at a scale-up technology company with … take a lead role in designing and developing secure, event driven, distributed backend systems for real-time operations, resilience and extensibility. You'll collaborate with engineers across the full stack to integrate backend services with Identity and Access control frameworks such as Keycloak, apply observability best practices and contribute to system architecture and codebase quality through … one day a week in London office Pension, Healthcare Impactful role with excellent career progression Apply now to find out more about this Lead Backend Software Engineer/Developer (Java Kafka SpringBoot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities More ❯

Full time - Remote About Us Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the … their work from the security standpoint - maintaining things practical using a risk-based approach with a focus on following areas: Automation of security controls, security hardening of the developer and IaC processes (building, testing, release), supply chain security (part of the build process), related metrics and monitoring/audits Network, VM & container image and system hardening, Cloud issues … and outcome based delivery Ability to partner with multiple teams in order to tackle issues, clarify requirements, communicate and convince stakeholders, etc. Comfortable with a Linux-based tech stack (managed VMs, SSH, VPNs, firewalls) Experience with Kubernetes (incl. managed), Terraform, Ansible, Github, Gitlab, ArgoCD, Image registries Experience with various cloud platforms including Google Cloud, non-managed providers We More ❯

Critical Operations Technician (Trainee) STACK Academy, 2025 Intake Location: STACK Data Center Campus, Milan Duration: 18 months Full-time, paid Start building your future in data and tech. About STACK STACK is the digital infrastructure partner to the most innovative companies in the world. As a leading developer and operator of data centers, STACK deliver trusted, scalable solutions with local expertise and global reach across the Americas, EMEA, and APAC. STACK Academy was launched to provide non-traditional pathways to technical careers for individuals with an interest in the rapidly growing data center industry. Our program creates opportunities for diverse talent to … demand skills and join the next wave of critical infrastructure experts. In 2025, the Academy will welcome 55 new learners across Europe into its career-launching programs. The STACK Academy is an 18-month program, fully paid, and includes English language training and expert mentorship. No experience required, just a willingness to learn. The digital world depends on More ❯