Senior Software Engineer - Proactive Security

Role Overview Position: Senior Software Developer in Test Location: London, UK (Hybrid: roughly one day per week in the office) Contract Type: Permanent, full-time Compensation: £70,000 - £80,000 base salary, plus 10% bonus, 10% shares, and additional benefits About Appvia Appvia delivers cloud solutions and platform engineering to help organizations modernize software systems, boost developer productivity, and adopt cloud-native practices. The team focuses on modern application development, domain-driven design, and improving delivery outcomes through strong architecture, testing, and developer experience. Appvia works with clients in complex, high-impact settings where quality, reliability, and scalability matter. The goal: help organizations ship better software, faster. What You Will Do This is a hands-on, client-facing role within the Solutions Engineering team. The main focus is to advance a large-scale modernization and AI-driven transformation initiative. The Senior Software Developer in Test (React/Java) will: Lead the shift from slow, fragile end-to-end testing to scalable integration, functional, and contract testing methods Guide teams in adopting modern testing and quality engineering practices for complex systems Introduce new tools and approaches to improve developer feedback loops and embed quality early in the software delivery lifecycle Work with greenfield initiatives within brownfield environments Report to a Principal Software Engineer and act as a senior quality engineering advocate within delivery teams Interview Process Discovery conversation with Talent Acquisition Technical interview with the Engineering Team Final interview with Leadership Security Clearance Requirements Eligibility for UK Government Security Clearance (SC) is essential. Candidates must meet the following criteria: Hold a British Passport or Indefinite Leave to Remain (ILR) Have lived in the UK for the past five years No criminal record or financial irregularities

Technical Account Manager with UK Security ClearanceLocation: London, UK (Hybrid – typically 1+ days in-office/client-site per week)Contract: Permanent, Full-timePackage: £100,000-£120,000 + 30% Bonus + 10% Shares + Benefits (see more below)Clearance: UK Security Clearance eligibility required.About UsAt Appvia, we specialize in cloud-native solutions and consultancy, empowering organizations to effectively build, secure, and scale in the cloud. Our services include self-service platforms, governance frameworks, cost optimization strategies, and AI acceleration tools.By collaborating with public cloud providers, we serve both public and private sectors, guiding clients in developing modern cloud platforms, embedding best practices in platform engineering, enhancing governance, and optimizing costs to boost developer productivity and accelerate delivery processes, making cloud a strategic advantage.As we expand our client portfolio and tackle increasingly complex transformation projects, we are looking for a Client Principal / Technical Engagement Manager to lead our major strategic accounts. You will act as the senior liaison between our technical teams and our clients’ executive stakeholders, ensuring value realization, account growth, and successful project delivery.Interview Process - 4 Stages:Discovery conversation with our Talent Acquisition team.General Interview with Hiring Manager.Technical Interview deep dive with Head of Engineering.Culture and Revenue focused Interview with CEO.Important:To be considered, you must either hold active Security Clearance or be eligible for it:British Passport or Indefinite Leave to RemainResided in the UK for a minimum of the last 5 years.No criminal records.No financial irregularities.About the RoleThis is a senior, client-facing leadership role responsible for driving account success, ensuring delivery quality, and fostering commercial growth across Appvia's prominent cloud transformation projects.You will manage relationships with one or more strategic accounts, overseeing various initiatives from cloud migration to automation and platform engineering to AI enablement, ensuring that Appvia is recognized as a trusted, long-term strategic partner.This multifaceted post-sales role integrates technical account leadership, delivery oversight, stakeholder engagement, and commercial accountability. You will collaborate closely with our CEO, Head of Cloud Solutions, Head of Solutions Engineering, and practice leaders, ensuring clients derive measurable value from our efforts while identifying opportunities to deepen and expand partnerships. This role is also billable and will play a pivotal role in shaping Appvia’s future client engagement model.

Join PlayStation as a Senior Software Development Engineer in Test and play a crucial role in enhancing our SDK's quality engineering framework. You'll design and implement robust CI/CD pipelines, develop automation tools in Python, and create automated tests across various system layers. Collaborate with cross-functional teams to improve workflows and ensure seamless delivery across multiple platforms. This role demands a strong technical background, collaboration skills, and a drive for impactful results in a dynamic environment.

Join Appvia as a Cloud Platform Product Manager - Security Clearance eligibility required.Location: London, UK (Hybrid ~ 1-2 days in-office per week) Salary Package: £90,000 - £120,000 + 10% Bonus + 10% Shares + Comprehensive BenefitsContract Type: Permanent / Full-timeAbout UsAt Appvia, we are dedicated to empowering organizations on their journey toward Cloud and DevOps maturity. As a premier provider in the sector, we utilize state-of-the-art technologies and services that facilitate our clients' cloud adoption processes.Our mission is to enable every business to seamlessly deliver applications in the cloud. We are fervent about constructing a robust cloud infrastructure layer that enables platform engineering teams to efficiently manage, monitor, and update systems while granting developers the freedom to deploy their applications effortlessly in the cloud. Our commitment is to add significant value to our clients, fostering their organizational success.About the RoleIn the capacity of Cloud Platform Product Manager, you will occupy a pivotal role bridging engineering, delivery, and user outcomes. You will spearhead the product delivery for secure AWS-based platforms within government transformation initiatives, developing roadmaps that harmonize compliance, security, and performance with user experience.This position is well-suited for individuals with a background in DevRel, DevEx, Platform, or Product Lead roles, particularly those who excel in highly technical settings and are adept at engaging both hands-on engineers and senior government stakeholders to align them with business objectives. You will have the opportunity to shape and direct Appvia's product management strategy as part of our ambitious long-term growth vision.Interview Process - 3 StagesInitial discovery conversation with our Talent Acquisition Manager.Interview with the Hiring Manager.Final Interview with Leadership.ImportantTo be eligible for this position, candidates must hold active SC clearance or be eligible for SC clearance:Possession of a British Passport or Indefinite Leave to Remain (ILR).Residence in the UK for a minimum of the last 5 years.No criminal records.No financial irregularities.RequirementsAbout YouYou should have demonstrable experience as a Technical Product Manager or Platform Product Owner in secure, complex environments, including:In-depth AWS knowledge, covering core services (EC2, S3, RDS, IAM, VPC, CloudWatch, CloudFront).Familiarity with platform engineering principles.Experience with Infrastructure-as-Code (Terraform, CloudFormation).Proficiency in CI/CD pipelines and DevSecOps toolchains.Knowledge of containerization and Kubernetes.Experience managing secure multi-tenanted environments and landing zones.Prior work with UK government programs (SC clearance eligibility required).Outstanding communication skills.

Join Capco as a Senior Software Development Engineer in Test (SDET) and play a pivotal role in revolutionizing the financial services landscape through cutting-edge automation. Based in London with a hybrid work model, you'll collaborate with a talented engineering team to tackle complex challenges, while enhancing your skills across innovative cloud-native technologies. Be part of high-impact projects that shape the future of finance and energy sectors.

Join Securitas as a Corporate Security Officer, where your primary responsibility will be to maintain the safety and security of our corporate environment. This role requires a dedicated individual with DV Clearance, ensuring the protection of personnel and assets in a dynamic environment.As a key member of our security team, you will utilize your expertise to analyze risks, respond to incidents, and implement security protocols. Your proactive approach will play a crucial role in fortifying our corporate security efforts.

Securitas is hiring a Corporate Security Officer with SC Clearance for a position based in London. The role centers on safeguarding client property and helping ensure a secure environment. A careful, proactive mindset helps in meeting the daily demands of this position. Main responsibilities Monitor building access and verify authorization for all personnel Respond to incidents and report any security concerns without delay Carry out regular patrols and conduct safety checks throughout the premises Assist with emergency procedures as situations arise Requirements Active SC Clearance Background in corporate security or a related field Keen observation and clear communication skills Consistent adherence to procedures and the ability to stay composed in challenging situations

Join Appvia as a Senior Delivery Manager and help us shape the future of cloud technology.Location: London, UK (Hybrid - typically 1-2 days per week in the office)Contract: Permanent, Full-timeCompensation Package: £60,000 - £80,000 + 10% Bonus + 10% Shares + BenefitsAbout UsAt Appvia, we specialize in cloud solutions, platform engineering, and AI empowerment. Our mission is to assist organizations in designing, building, and operating modern cloud platforms that scale effectively.We collaborate with both public and private sector entities, delivering impactful results in complex and highly regulated environments. Our emphasis lies in enhancing delivery performance, fostering modern engineering practices, and creating secure, scalable platforms that facilitate long-term transformation.Our projects encompass cloud migration, platform engineering, DevOps transformation, and developer enablement, marrying strong engineering acumen with practical delivery methodologies.About the RoleWe are seeking a Senior Delivery Manager to spearhead the successful execution of intricate technology programs throughout Appvia's client engagements. This pivotal role is part of our Delivery team and reports directly to a Principal Delivery Manager. You will closely collaborate with engineering leadership and client stakeholders, managing multi-team and multi-stream deliveries to ensure effective program execution while upholding high standards in delivery, engineering, and stakeholder engagement.This role demands proactive engagement; we require an individual who actively empowers and safeguards delivery teams, eliminates obstacles, manages complexity, and crafts the conditions that allow engineers to thrive. As the 'umbrella' for the team, you will take ownership of delivery challenges, resolving them instead of merely escalating without a solution.While extensive platform engineering expertise is not mandatory, a robust technical foundation and a keen interest in cloud, DevOps, and platform engineering concepts are essential.Interview ProcessInitial discussion with our Talent Acquisition ManagerTechnical Interview with the Hiring ManagerFinal Leadership InterviewImportant: Due to some public sector clients requiring Security Clearance, candidates must meet the following eligibility criteria:British Citizen or ILRResided in the UK for at least the past 5 yearsNo criminal recordsNo financial discrepancies

Job Title: Senior Software Engineer I Location: London / Bristol / Edinburgh - Hybrid Salary: £60,000 - £80,000 Reporting to: Software Engineering Manager Please note: We currently do not provide visa sponsorship for this position. We are dedicated to creating a diverse and global team, and our sponsorship policy is assessed on a role-by-role basis. We invite you to check our careers site for future roles that may offer sponsorship. Kaluza is at the forefront of the Energy Intelligence revolution, transforming the complexities of energy management into seamless coordination. We empower energy providers to tackle current challenges while accelerating the transition to a clean, electrified future through advanced data utilization, AI, and real-time decision-making. By merging predictive algorithms with human-centric design, Kaluza ensures that clean energy is both reliable and affordable. With a presence across Europe, North America, Asia, and Australia, and a partnership with Mitsubishi Corporation in Japan, we support leading companies like OVO, AGL, and ENGIE, along with innovators such as Volvo and Volkswagen. As we undergo rapid growth, we have various opportunities across different teams and levels. The specific role you will pursue will be determined as we advance through the interview process, allowing us to identify where your skills can make the most significant impact while providing you with the necessary support for your development and that of the team. Our Talent Acquisition team will guide you through the details as we proceed. What will you be doing? You will be part of the Kaluza Technology community, focusing on the Energy Retail platform, a scalable SaaS product designed to support energy retailers and decarbonization efforts. In this position, you will build and maintain backend services using TypeScript, contributing to event-driven systems that enable reliable, real-time features. Collaboration with product managers, designers, and engineers will be crucial as you deliver customer-centric solutions and take ownership of services from design to production. You will also engage with cloud technologies such as AWS, optimize performance and data models, and contribute to fostering a collaborative engineering culture. About You We ideally seek candidates who have: Strong knowledge in software development, particularly in TypeScript Experience working with cloud technologies, especially AWS Proven ability to collaborate and communicate effectively within a team A passion for clean energy and sustainability

Senior Software Development Engineer in Test (SDET) — Enablement PlatformAbout SwapAt Swap, we are revolutionizing the landscape of modern agentic commerce. Our innovative AI-native platform seamlessly connects backend operations with a cutting-edge storefront experience, designed for brands aspiring to sell anything, anywhere.Our comprehensive offerings include cross-border solutions, tax management, returns processing, demand planning, and our next-gen agentic storefront, empowering merchants with full operational transparency and the ability to make informed, margin-preserving decisions in real-time.We are dedicated to fostering a culture that emphasizes clarity, creativity, and collective ownership as we reshape the future of global commerce.Role OverviewWe are seeking a talented Senior SDET to become an integral part of our Enablement Group. This team is responsible for establishing the foundational elements that empower various teams, including internal development tools, core services, reusable UI components, CI/CD processes, security integrations, public APIs, and our Apollo ingestion and event management system.In this role, you will set and uphold quality standards for our internal systems, ensuring adherence and compliance across teams. You will define both functional and non-functional quality benchmarks, translate these into actionable standards, and validate that our internal services consistently meet these criteria through reviews, gates, and operational signals.Key ResponsibilitiesLead the establishment of quality standards for internal systems encompassing reliability, performance, scalability, security, availability, observability, data integrity, and operational functionality.Collaborate with engineering teams to convert quality standards into service-level requirements and well-defined acceptance criteria for platform functionalities and internal services.Manage the compliance process: define measurement criteria, introduce evaluative evidence (tests, checks, dashboards), and initiate corrective actions when discrepancies arise.Conduct structured quality assessments for internal services, including design reviews, readiness evaluations, release criteria, and post-incident analyses that refine standards and checks.Establish and maintain quality gates within the CI/CD pipeline that uphold standards without hindering team productivity (including contract checks, smoke/regression tests, and security assessments as applicable).Define quality benchmarks for public APIs and platform adapters regarding contracts, backward compatibility, and versioning.

Join Version 1 as a Senior Performance Testing Engineer where you will leverage your expertise in performance testing to ensure the robustness and efficiency of our digital solutions. We are seeking a skilled professional who can design and implement performance tests, analyze results, and provide actionable insights to enhance system performance.Your role will involve collaborating with cross-functional teams to identify performance issues and recommend enhancements. You will utilize various performance testing tools and frameworks, ensuring that our applications meet the highest standards of quality and performance.

Transform the Future of Finance with Us!At Light, we are on a mission to revolutionize the outdated ERP systems of the factory era with our dynamic Smart Financial Platform. We empower modern, global businesses with capabilities like automated accounting, real-time reporting, and agile financial flows that adapt to the pace of business.Our approach is collaborative; we develop alongside our customers, deliver swiftly, and are passionate about our craft. In a short span, Light has evolved from a concept to the backbone of renowned companies such as Lovable, Legora, and Keyshot. Users don’t just utilize Light—they truly enjoy the experience.As part of a pioneering team, we are defining a new category in software. Imagine engineers who are passionate about finance, designers who prioritize reconciliation, and operators who view finance as a product. If you are keen on modernizing the way the world manages money—one workflow at a time—you’ve found your place.Supported by top-tier investors and guided by industry leaders, we are creating groundbreaking products with the freedom to innovate boldly and take ownership of results. Join us in establishing Light as the global standard for next-gen finance.About the RoleAt Light, we are crafting the Global Financial Platform and our objective is to expand our engineering team rapidly. This growth hinges on our commitment to quality.You will be an integral part of the Foundation Team—the driving force that enhances our entire engineering organization. Our mission is to "build the factory that builds the product." As an SDET, your role will extend beyond merely writing tests for feature teams; you will be responsible for designing the internal quality infrastructure that empowers every engineer at Light to deliver with confidence.We seek a candidate who is passionate about test engineering as a discipline while being grounded in the realities of production systems. You will assist us in transitioning from ad-hoc testing to constructing robust frameworks, defining our internal quality standards, and enabling our teams to deploy multiple times daily, safely and confidently.

Version 1 seeks a Senior Java Developer to join teams working on client applications across digital transformation projects. This position offers the chance to influence how organizations use technology, contributing to solutions that address practical business needs. Key responsibilities Design and develop Java applications in collaboration with cross-functional teams Take part in code reviews, helping maintain code quality and share expertise Mentor junior developers, guiding their technical and professional growth Work on projects that directly impact client operations and outcomes Locations London Birmingham Manchester Newcastle upon Tyne Edinburgh Belfast

Role Overview Position: Senior Full Stack Developer (Java/React) with Security Clearance Eligibility Location: London, UK (Hybrid – 1 to 2 days per month in the office) Contract Type: Permanent, Full-time Compensation: £70,000 - £80,000 base salary, plus 10% bonus, 10% equity, and benefits About Appvia Appvia delivers consultancy in cloud, platform, and solutions engineering. The company helps organizations modernize software systems, improve developer productivity, and adopt cloud-native methods for sustainable delivery. Appvia works on complex, high-impact projects across public and private sectors, focusing on quality, scalability, and reliability. Areas of expertise include modern application development, domain-driven design, and optimizing architecture and testing for better delivery outcomes. What You Will Do Senior Full Stack Developers at Appvia join a growing software engineering team, supporting a large modernization and AI-driven transformation project. The work is hands-on and client-facing, involving the design and implementation of modern software solutions in complex environments. Projects often involve building new systems within existing legacy landscapes, introducing new architecture, tools, and engineering standards for long-term scalability. This role reports to a Principal Software Engineer and contributes to both project delivery and the ongoing development of Appvia’s engineering practice. Requirements Eligible for UK Security Clearance (SC), which requires: British Passport or Indefinite Leave to Remain (ILR) Residency in the UK for the past five years No criminal record or financial irregularities Extensive experience with React and modern front-end development Strong back-end development skills with Java (Spring Boot) Knowledge of Domain Driven Design (DDD) Experience working with microservices architecture Full-stack experience across UI, API, and data layers Background in cloud-native environments, preferably AWS Interest or experience in AI-assisted development to boost productivity and quality Comfort working directly with stakeholders and guiding teams Interview Process Initial discovery conversation with Talent Acquisition Technical interview with the Engineering Team Final interview with Leadership

* Fully remote from the UK * Innovative Ideas. Real People. At Orca Security, we believe that in the right environment and with the right team, talent knows no boundaries. Our collaborative spirit, combined with our ambition to continuously push limits, has swiftly propelled us to unicorn status, establishing us as a global frontrunner in cloud security innovation. If you're eager to join an extraordinary team that motivates one another daily, now is the perfect moment to find your place within our group. We are on the lookout for passionate and talented individuals like you to become a part of our R&D organization and contribute to our mission of reshaping the future of cloud security. Are you ready to take the plunge and swim with our pod? Position Highlights Rapid Growth: Over the last seven years, we have accomplished milestones that typically take other companies a decade or more. During this time, we’ve significantly expanded our workforce, broadened our customer base, and quickly enhanced our product capabilities. Disruptive Innovation: Our founders recognized that traditional security solutions were inadequate for the cloud, prompting them to forge a new path. We are relentless pioneers who have developed agentless technology and continue to lead as the most comprehensive and innovative cloud security company. Robust Financial Backing: With a valuation of $1.8 billion, Orca is a cybersecurity unicorn that dominates the cloud security sector. We are supported by a remarkable group of investors, including Capital G, ICONIQ, GGV, and SVCI—a collective of CISOs who invest their own funds following thorough due diligence. Respectful and Transparent Culture: Our executives take pride in their accessibility and believe in sharing knowledge with all employees. Every team member plays a crucial role in shaping the future of our industry. About the Role As a Senior Software Engineer on the DSEC (Data & AI Security) team at Orca Security, you will be part of a vital group dedicated to safeguarding customer data and AI assets at scale. The team is responsible for scanning and analyzing a wide array of data stores and AI services—from managed databases and container images to object storage buckets and virtual machines (VMs)—to uncover sensitive data, keys, personally identifiable information (PII), and misconfigurations. You will also have the opportunity to map, model, and assess cloud AI services, providing customers with clear visibility and security insights across their data and AI landscape. This role is ideal for those who are excited about building the infrastructure that supports our Data Security Posture Management (DSPM) and AI security capabilities. You will be instrumental in helping shape the future of cloud security.

Turner & Townsend is actively seeking skilled Product Development and Delivery Managers to join our team, focusing on our National Security accounts. We are looking for candidates who currently hold the highest level of UK government clearance.For more information about UK clearance and vetting, please visit: UK Security VettingWe are looking for professionals with expertise in the following roles:Delivery ManagerProgramme Delivery ManagerProduct ManagerAgile CoachIf you have experience in any of these areas and possess the highest level of UK clearance, we would be eager to connect with you.

Join Our Dynamic Team as a Senior AWS Platform EngineerLocation: London, UK (Hybrid – typically ~1 day per week on-site)Contract Type: Permanent, Full-timeSalary Package: £75,000 – £90,000 + 10% Bonus + 10% Equity + Additional BenefitsAbout AppviaAt Appvia, we specialize in cloud and platform engineering consultancy, empowering organizations to effectively build, secure, and scale their operations in the cloud. We collaborate with both public and private sector clients to craft cutting-edge cloud platforms, integrate robust engineering practices, and accelerate software delivery.Our expertise lies in platform engineering, DevOps, automation, and cloud-native solutions, establishing a balance between developer agility, security, resilience, and governance.Role OverviewAs a Senior AWS Platform Engineer, you will play an integral role in our platform engineering projects, taking a hands-on approach in designing, building, and managing secure and scalable AWS environments. This position is perfect for an experienced engineer who thrives on tackling intricate technical challenges and collaborating closely with development teams to enhance cloud platforms and delivery pipelines. You will work within multidisciplinary teams, supporting application and platform workloads while guiding customers in adopting modern DevOps and platform engineering methodologies.Your responsibilities will include leading technical deliveries, contributing to solution design, and mentoring junior engineers through knowledge sharing.Interview Process - 4 StagesInitial discussion with Talent AcquisitionTechnical assessment paired with an Engineering team memberIn-depth technical interview with Practice LeadershipFinal competency-based interview with Engineering LeadershipImportant NoteTo be considered for this role, you must either possess an active SC clearance or be eligible for SC, which requires:British Passport or Indefinite Leave to RemainResidence in the UK for at least the last 5 yearsNo criminal convictionsNo financial irregularitiesCandidate ProfileYou are a proficient AWS engineer with a strong background in cloud-native infrastructure and DevOps, comfortable in client-facing environments and directly contributing to project delivery. You will offer:Demonstrable experience in building and operating AWS platformsA comprehensive understanding of modern CI/CD and automation practicesConfidence in collaborating with engineers, architects, and project leadsA pragmatic mindset towards enhancing reliability, security, and developer experienceKey ResponsibilitiesDesign, build, and maintain secure AWS platformsCollaborate with cross-functional teams to deliver high-quality solutionsMentor and guide junior engineersContinuously improve and optimize platform performance

Join Capco as a Principal Software Development Engineer in Test (SDET) where you will lead the design, development, and implementation of automated testing frameworks. You will work closely with cross-functional teams to ensure the highest quality of software delivery while driving innovation and efficiency in testing methodologies.

Join our dynamic team at System Canada Technologies as a Test Analyst or Senior Test Analyst. This is an exciting opportunity for individuals who are passionate about quality assurance and eager to contribute to innovative projects in a collaborative environment.