Avanti Recruitment

Software Engineer UK Based Remote Friendly 35,000 to 70,000 depending on level A high-growth engineering consultancy is expanding its software team as it scales significantly over the next 12 to 18 months. This is not a maintenance role. This is an opportunity to build technically complex systems from scratch, often at the intersection of software and hardware, across cutting-edge sectors including biotech, quantum computing, heavy industry and government-backed R&D. Due to strong inbound demand, the business is hiring across multiple levels. The Role You will work in small, multidisciplinary teams delivering bespoke engineering solutions. Projects are technically challenging and require strong engineering fundamentals, production-quality code and real ownership. This environment suits engineers who enjoy solving complex problems rather than simply implementing tickets. Opportunities are available at: Graduate Software Engineer Senior Software Engineer Senior Software Engineer (Advanced / Principal Level) There is flexibility on title for exceptional candidates. Technology Environment Core stack includes: C++ Python JavaScript or TypeScript Frontend and backend development Desirable experience: Firmware or microcontrollers Hardware integration LLM tools or AI-assisted development UX or interface thinking Strong engineering principles matter more than matching every technology exactly. What They Are Looking For Graduate level: Strong fundamentals Demonstrable coding ability Curiosity and fast learning capability Senior level: 3+ years commercial experience Experience delivering production systems Strong ownership and accountability Advanced Senior level: Deep technical capability Architectural judgement Comfort making engineering decisions Potential mentoring influence Working Model UK based only Remote friendly Occasional office presence required Flexible hours Generous holiday allowance Additional office-day benefits Why Join High-growth environment with strong financial backing Complex, meaningful engineering challenges Direct access to leadership Opportunity to shape a scaling team Strong project demand and pipeline This is an engineering-led environment that values quality, intellectual honesty and high standards. If you are looking to build real systems with impact rather than maintain legacy code, this is a rare opportunity to join at an exciting stage of growth.

Contract : DSP Software Engineer Location: Manchester (On-site) Duration & Type: Contract / 6 Months Pay: £45/50 per hour (Outside IR35) Must have or be eligible for SC Clearance About the Role You will be developing and maintain high-quality C++ software for real-time signal processing systems running on Linux. The role involves designing and implementing DSP algorithms, debugging and deploying software, and ensuring strong performance and reliability. You ll write standards-compliant code, support CI/CD pipelines using Jenkins or Git, and collaborate with cross-functional teams in an Agile environment to deliver robust, maintainable software. What We re Looking For Design, implement, and maintain high-quality C++ software for real-time, distributed systems. Develop, debug, and deploy software on Linux targets while ensuring performance, reliability, and maintainability. Contribute to the design of distributed software architectures and runtime deployment strategies. Implement clean, standards-compliant code aligned with MISRA, JSF , and static analysis requirements. Support build, test, and release activities through CI/CD pipelines using Jenkins or Git runners. Collaborate with cross-functional teams and contribute to model-driven engineering workflows. Please submit your latest CV for submission

A growing engineering company based in Surrey is looking for an Embedded Software Engineer to join its development team. The organisation works on complex embedded systems used in advanced engineering products and is looking for an experienced engineer to contribute to ongoing development projects. The Role You will join an established engineering team responsible for developing embedded software for microcontroller-based systems. The role will involve a combination of new development, improving existing firmware and debugging complex embedded systems. You will work closely with other engineers across software, electronics and systems to support product development. Key Responsibilities Develop embedded software using C Work with microcontroller-based systems Implement and maintain low-level drivers Contribute to new product development Debug and enhance existing embedded software Support testing and verification activities Collaborate with multidisciplinary engineering teams Experience Required Around 5+ years experience in embedded software development Strong experience with Embedded C Experience working with microcontrollers Experience developing low-level drivers Background in automotive, aerospace or other safety-critical industries Desirable Experience AUTOSAR Functional safety exposure (e.g. ISO 26262) Knowledge of MISRA standards Experience working close to hardware For more information, please apply to this role ASAP.

.NET Developer Location: Office-Based UK Industry: Financial Services Are you a strong C# developer who enjoys working on real-world systems while helping modernise them? We are hiring a .NET Developer to join a collaborative, office-based engineering team within an established UK financial services organisation. This role offers a rare opportunity to work on a live, customer-facing platform while actively contributing to its evolution toward modern .NET and Azure technologies. This is not a pure greenfield role. It is not a legacy-only support role. It is a genuine blend of both. The Role You will work on a business-critical lending platform used daily by customers across the UK. The role is approximately: 60% backend 40% front-end You will: Maintain and enhance an existing ASP.NET MVC application Build and improve backend logic using C# Work with Entity Framework and SQL Server Write and optimise T-SQL queries Contribute to UI updates when required Help drive the ongoing migration to .NET Core Support the move to Azure App Services Contribute to improving engineering standards and practices This is a hands-on, full-stack position with strong backend depth. Current Tech Stack ASP.NET - MVC 5 - .NET Framework - C# - Entity Framework - 6SQL Server - JavaScript / jQuery - HTML & CSSAzure SQL VMs Modernisation Roadmap Migration to .NET Core Azure App Services adoption Improved SOLID and TDD practices AI integrations Continued cloud optimisation You will play an active role in shaping this transition. What We Are Looking For Strong C# development experience Experience with ASP.NET MVC and .NET Framework Exposure to .NET Core Solid SQL Server and T-SQL skills Comfortable working full-stack in a backend-heavy role Strong communication skills Able to work collaboratively in an office-based environment Desirable Experience migrating to .NET Core Azure exposure Experience with App Services Understanding of SOLID principles and TDD Mentoring experience The Ideal Candidate You will thrive here if you: Enjoy working with complex systems Are comfortable maintaining legacy code Are motivated to modernise and improve platforms Communicate clearly and confidently Want long-term impact rather than short-term project work If you are a .NET Developer who can balance maintaining a live production system with helping move it toward modern architecture, we would love to hear from you.

Java Low Latency Connectivity Developer London 4 Days Office, Victoria Crytpo Exchange Connectivity / FIX A specialist electronic trading firm is seeking a Java Low Latency Connectivity Developer to join a highly technical, performance-driven engineering team. The business operates automated trading strategies across both traditional financial markets and crypto venues. Technology is central to performance, and connectivity to exchanges is a core competitive edge. This is a hands-on role within a small, experienced team where engineers work directly on systems that impact live trading outcomes. The Role You will be responsible for designing, building and optimising exchange connectivity across multiple venues, with a strong focus on crypto markets. Key responsibilities include: Developing ultra-low latency Java components Managing FIX protocol sessions and order flow Integrating and optimising crypto exchange APIs using REST and WebSocket Handling real-time JSON market data feeds Improving performance and reducing latency across exchange connections Supporting and enhancing live trading systems Each exchange has its own architecture, API behaviour and performance characteristics. You will play a key role in ensuring reliable, high-performance connectivity across them. What We Are Looking For Strong core Java expertise Experience in low latency or performance-critical systems Solid understanding of FIX protocol (session and application layers) Direct experience connecting to trading venues or exchanges Hands-on experience integrating with crypto exchanges Strong understanding of REST and WebSocket APIs in real-time environments Experience working in Linux-based production systems Exposure to high-performance libraries such as Aeron, Agrona, SBE or Artio is advantageous. The Environment Small, collaborative engineering team Flat structure with real ownership Office-based in Victoria, London (4 days per week) 24/7 automated trading systems Occasional out-of-hours support rotation This role is well suited to engineers who enjoy working close to the market, solving hard performance problems, and taking responsibility for exchange connectivity in a fast-moving environment.

An award-winning global technology provider is seeking a skilled Hardware Engineer to join their specialist team designing wireless-connected products for the IoT industry. This is a hands-on position, covering full lifecycle hardware development from concept to production, with a focus on high-quality, reliable solutions for integration into customer devices. Key Responsibilities Lead hardware design projects, including schematic capture, PCB layout, and placement reviews. Create and review engineering and manufacturing documentation. Conduct product verification and validation, including functional and parametric testing. Support manufacturing and quality control activities. Provide consultancy services to review and enhance customer-supplied designs. Assist in regulatory compliance testing. Skills & Experience PSU design (DC-DC and linear regulators) up to 10W. Strong interface knowledge: RS232, RS4xx, I2C, SPI, Ethernet, USB3, PCI-e. Radio technologies: Bluetooth, Zigbee, Wi-Fi, cellular modems (3/4/5G), etc. High-speed and high-frequency PCB layout techniques. Design for manufacture experience. Proficiency with lab equipment for design verification. Familiarity with safety and regulatory compliance (RED, EMC, etc.). On offer is a salary up to 70k + benefits. For more information, please apply now or contact Kirstin at Avanti Recruitment.