Riverlane Ltd

A leading technology company in Cambridge is seeking a Senior Software Developer. This role involves building production-grade software for error-corrected quantum computing systems. Candidates should have programming experience in C++ and Python and possess strong communication and teamwork skills. The company offers a competitive salary of £70,000 to £90,000 DOE, a hybrid working model, and a comprehensive benefits package including an annual bonus, private medical insurance, and equity options.

A technology company specializing in quantum computing is seeking a Software Engineer to model and simulate hardware performance for quantum error correction systems. This role requires strong proficiency in Python and offers a hybrid working environment. The ideal candidate will contribute to the development of unique quantum technologies, collaborate with various teams, and engage in system testing and performance modeling. This position offers a competitive salary and a comprehensive benefits package.

Senior Software Developer Cambridge, UK Full-time Permanent Hybrid £70,000 to £90,000 DOE + Bonus + Benefits The salary range for this role is broad, as we are able to consider varying levels of experience. Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous relevant achievements. We will also consider part time applications for this role. Please indicate your preferred working schedule in your cover letter. About us Riverlane's mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science to complex chemistry simulation for new drug design, quantum computers will help humanity solve some of its most important challenges. But without QEC, the industry's defining technical challenge, those breakthroughs can never be achieved. Riverlane is the world leader in QEC technology. QEC is a complex problem that requires a range of skills, talent and passion. We recently raised $75 million to accelerate our cutting edge R&D. We partner with many of the world's leading quantum computing companies and governments to accelerate their path to utility scale quantum computers. We're making remarkable progress and growing fast. Join us! About the role As a Senior Software Developer at Riverlane, you will join our core engineering team and take a hands on role in building and evolving production grade software that powers complex, real world systems. You'll collaborate closely with expert engineers and scientists to design and deliver software where correctness, performance and reliability truly matter. This role suits someone who enjoys tackling complex technical problems, working close to real hardware, and seeing their work have a direct impact on deployed systems. No prior experience in quantum computing is required. You will develop domain knowledge on the job, supported by the wider team. What you will do Understand design requirements for error corrected quantum computing systems Build the software stack that targets the complex, real time error correction hardware Write correct, maintainable and fast code, as part of a growing team Develop system tools such as compilers, schedulers and profilers - develop functional and performance models of hardware Verify and benchmark whole system correctness and performance Collaborate with scientists and engineers to build effective solutions What we need Knowledge and interest in the whole software and hardware stack: compilers, operating systems, hardware architecture, microprocessors, co processors. Experience programming in C++ and Python. Experience in team based software development - this could be from industry, university or research labs. Experience in standard development tools such as git, testing frameworks, CI etc. Excellent communication skills, both written and verbal. Curiosity to learn new things. Ability to work collaboratively, with a diverse range of people. Even better if You have experience working alongside firmware or embedded teams, or contributing to firmware when needed. You have worked on software that interacts closely with hardware or real world systems. What can you expect from us A comprehensive benefits package that includes an annual bonus plan, private medical insurance, life insurance, and a contributory pension scheme Equity, so that our team can share in the long term success of Riverlane 28 days annual leave, plus bank holidays and enhanced family leave A diverse work environment that brings together experts in many fields (including software and hardware development, quantum information theory, physics and maths) and over 20 different nationalities A learning environment that encourages individual, team and company growth and development, including a regular programme of learning events and training and conference budgets How to apply Please upload a CV and covering letter by clicking 'Apply'. Your covering letter should explain why you are applying for the job and what skills and experience you can bring to the role. We review CVs as we receive them and interview as soon as we have applications that look like a good match. We do not use closing dates. So, please apply as soon as possible to avoid missing out on this role. If you have any queries, please contact . Everyone is welcome at Riverlane. We are an equal opportunities employer and encourage applications from eligible and suitably qualified candidates regardless of age, disability, ethnicity, gender, gender reassignment, religion or belief, sexual orientation, marital or civil partnership status, or pregnancy and maternity/paternity. Women and other under represented groups may be less likely to apply for a role unless they meet all or nearly all of the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don't meet every single qualification. We'd love to hear from you. If you need any adjustments made to the application or selection process so you can do your best, please let us know. We will be happy to help.

Software Engineer - Modelling Cambridge, UK Full-time or Part-time Permanent Hybrid Salary: £55,000 to £82,000, DOE The salary range for this role is broad, as we are able to consider varying levels of experience. Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous relevant achievements. We will also consider part-time applications for this role. Please indicate your preferred working schedule in your cover letter. About us Riverlane's mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design, quantum computers will help humanity solve some of its most important challenges. But without QEC, the industry's defining technical challenge, such breakthroughs can never be achieved. Riverlane is the world leader in QEC technology. QEC is a complex problem that requires a range of skills, talent and passion. We recently raised $75 million to accelerate our cutting edge R&D. We partner with many of the world's leading quantum computing companies and governments to accelerate their path to utility scale quantum computers. We're making remarkable progress and growing fast. Join us! About the role This is a fantastic opportunity for a Software Modelling Engineer to design and build high fidelity software models of digital hardware, including FPGA and ASIC, micro architectural components, and hardware constrained implementations of algorithms. These models will support the development of Deltaflow, Riverlane's Quantum Error Correction (QEC) stack. Using strong software engineering skills, particularly in Python, you will model, simulate and analyse hardware performance. You will also explore architectural trade offs and enable early prototyping of the classical stack required for fault tolerant quantum computing. This role offers a rare opportunity to bring your foundational software engineering skills into QEC and help shape the next era of computing. You'll collaborate with Engineering, Product and Quantum Science teams to design and develop the models, tools and runtime components. If you're a Software Engineer with a collaborative mindset, strong problem solving ability and an interest in whole system thinking this role is perfect for you. You'll build the quantum computing understanding you need progressively as you grow with the role. What you will do Understand design requirements and constraints for error corrected quantum computing systems Develop functional and performance models of hardware Do full system bring up, co simulation, testing and performance modelling Write correct, fast and maintainable code What we need Proficiency in Python Experience in one native language, such as C++ or Rust Curiosity to learn about quantum computing Understanding of how hardware implements software Ability to operate comfortably in ambiguous or evolving environments A collaborative team player, with excellent communication skills (both verbal and written) Ability and willingness to work in a hybrid environment Even better if you have Experience with FPGA or ASIC development flows Knowledge of micro architecture design Familiarity with digital hardware design principles Understanding of hardware implementation constraints Experience modelling algorithms Strong engineering practices, including CI/CD, automated testing and structured code reviews Ability to work across disciplines and communicate complex architectural trade offs clearly What can you expect from us A comprehensive benefits package that includes an annual bonus plan, private medical insurance, life insurance, and a contributory pension scheme Equity, so that our team can share in the long term success of Riverlane 28 days annual leave, plus bank holidays and enhanced family leave A diverse work environment that brings together experts in many fields (including software and hardware development, quantum information theory, physics and maths) and over 20 different nationalities A learning environment that encourages individual, team and company growth and development, including a regular programme of learning events and training and conference budgets How to apply Please upload a CV and covering letter by clicking 'Apply Now'. Your covering letter should explain why you are applying for the job and what skills and experience you can bring to the role. We review CVs as we receive them and interview as soon as we have applications that look like a good match. We do not use closing dates. So, please apply as soon as possible to avoid missing out on this role. If you have any queries, please contact . Everyone is welcome at Riverlane. We are an equal opportunities employer and encourage applications from eligible and suitably qualified candidates regardless of age, disability, ethnicity, gender, gender reassignment, religion or belief, sexual orientation, marital or civil partnership status, or pregnancy and maternity/paternity. Women and other underrepresented groups may be less likely to apply for a role unless they meet all or nearly all of the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don't meet every single qualification. We'd love to hear from you. If you need any adjustments made to the application or selection process so you can do your best, please let us know. We will be happy to help.

Cambridge, UK Full-time or Part-time Permanent Salary: £62,000 to £80,000 DOE The salary range for this role is broad as we are able to consider varying levels of experience. Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous relevant achievements. We will also consider part-time applications for this role. Please indicate your preferred working schedule in your cover letter. About us Riverlane's mission is to make quantum computing useful, sooner. From climate change to healthcare, large and reliable quantum computers will help solve some of the world's important challenges. Riverlane is building the quantum error correction stack to make this happen. It's a complex problem that requires a range of skills, talent and passion. We're making remarkable progress and growing fast. About the role We have a fantastic opportunity for an experienced Field Application Engineer (FAE) with a strong background in digital design to successfully lead the installation and integration of Riverlane's quantum error correction stack (Deltaflow) into our partners and customers hardware. We are looking for a technically driven and customer-oriented Field Application Engineer with a strong background in FPGA design to support customer installations, bring-up, and design flow integration. Working with our customers across the UK and Europe, you will work directly with internal and external engineering and scientific teams to ensure the successful deployment and optimisation of our FPGA-based system - from design flow setup to debugging and performance tuning. As a Senior FAE - Digital Design, you will help integrate our multi-FPGA, low-latency, high throughput system that needs to perform complex operations, in a predictable and guaranteed way. You will also use your knowledge and expertise to support more junior engineers, interact with software and identify novel solutions to our challenging problems. This is a fantastic opportunity to join Riverlane's customer enablement team and play a pivotal role in enabling key quantum hardware companies with QEC capability. This team is a mix of physicists, software engineers and hardware engineers, working together on a range of exciting and cutting-edge projects. Our mission is exciting, but complex. It requires teams with a wide range of skills and perspectives, that communicate well and collaborate effectively to achieve truly innovative solutions.You will thrive in an environment where knowledge sharing and continuous learning are the norm. We are moving fast in a brand new market, where requirements can change quickly as the technology evolves, so the ability to adapt is critical. What you will do As Senior Field Application Engineer - Digital Design, you will: Leverage your expertise on FPGA platforms (e.g. AMD/Xilinx MPSoCs/RFSoCs, Altera Stratix 7 or Stratix 10), and associated IP integration workflows to our customers and scientists. Drive the integration of our solution into our customers' existing systems, leading on-site and remote customer support Guide customers through RTL-based design, synthesis, implementation, timing closure, and bitstream generation Provide technical support, reference designs, and custom example projects to support customer ramp-up Work on customisations of our RTL to meet the needs of early-customers/prototypes. Act as the technical bridge between customers and internal engineering teams, ensuring that field feedback helps shape product improvements Collaborate with Business Development to support pre-sales technical evaluations, proof-of-concepts, and customer benchmarks In performing the above, you will (often from scratch) design, modify or integrate novel IPs and develop tests, collaborating closely with our software, verification and testing experts to deliver an outstanding product. What we need Experience with state-of-the-art AMD/Xilinx FPGA platforms Proven professional experience in at least one of the following areas: Architecture of System on Chip solutions, with at least one CPU and custom accelerators; High-speed interfaces (preference for transceiver-based interfaces); Large-scale, complex systems on FPGA Proven capability to test, debug and improve complex systems, both in the field and remotely Ability to convert product requirements into technical specifications to document and share your work Desire and ability to support customers with the installation Ability and willingness to travel to customer sites within the UK and Europe (around 20%) Excellent communication skills, with the ability to work both independently and collaboratively as part of a team A curious nature and a passion for learning and continuous improvement What you can expect from us A comprehensive benefits package, including annual bonus scheme, private medical insurance, life insurance, a contributory pension scheme (and much more) Equity so that our team can share in the long-term success of Riverlane 28 days annual leave (plus bank holidays) and enhanced family leave A diverse work environment that brings together experts in many fields (including software and hardware development, quantum information theory, physics, maths and many more) and over 20 different nationalities A learning environment that encourages individual, team and company growth and learning, including an annual training and conference budget How to apply Please upload a CV and cover letter by clicking 'Apply'. Your cover letter should explain why you are applying for the job and what skills and experience you can bring to the role. We review CVs as we receive them and interview as soon as we have applications that look like a good match (usually within one week). We do not use closing dates. So, please apply as soon as possible to avoid missing out on this role. If you have any queries, please contact . Everyone is welcome at Riverlane. We are an equal opportunities employer and encourage applications from eligible and suitably qualified candidates regardless of age, disability, ethnicity, gender, gender reassignment, religion or belief, sexual orientation, marital or civil partnership status, or pregnancy and maternity/paternity. Women and other underrepresented groups may be less likely to apply for a role unless they meet all, or nearly all, of the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don't meet every single qualification. We'd love to hear from you. If you need any adjustments made to the application or selection process so you can do your best, please let us know. We will be happy to help.

A leader in quantum error correction technology in Cambridge is seeking a Senior Digital Design Engineer. The role involves implementing QEC decoders on hardware and optimizing RTL designs. Candidates should have experience with FPGA platforms and ASIC environments. The company offers competitive compensation, a comprehensive benefits package, and a diverse work setting. If you are passionate about continuous learning and working in an innovative field, apply now.

Cambridge, UK Full-time Permanent £70,000 to £90,000 DOE+ Bonus + Benefits The salary range for this role is broad as we are able to consider varying levels of experience. Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous relevant achievements. We will also consider part time applications for this role. Please indicate your preferred working schedule in your cover letter. About us Riverlane's mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design, quantum computers will help humanity solve some of its most important challenges. But without QEC, the industry's defining technical challenge, such breakthroughs can never be achieved. Riverlane is the world leader in QEC technology. QEC is a complex problem that requires a range of skills, talent and passion. We recently raised $75 million to accelerate our cutting edge R&D. We partner with many of the world's leading quantum computing companies and governments to accelerate their path to utility scale quantum computers. We're making remarkable progress and growing fast. Join us! About the role We have a fantastic opportunity for an experienced Digital Design Engineer to join us as we build the world's first quantum error correction (QEC) stack. Don't have a background in quantum computing? Not a problem! This cutting edge technology requires a wide range of skills and disciplines, including classical computing skills. You will learn quantum computing along the way. As a senior level Digital Design Engineer at Riverlane, you will help develop a multi FPGA, low latency, high throughput system that needs to perform complex operations, in a predictable and guaranteed way. You will use your knowledge and expertise to support more junior engineers, interact with software and identify novel solutions to our challenging problems. This is a fantastic opportunity to join Riverlane's Decode team, that is developing the world's most advanced decoding algorithms. These algorithms are the beating heart of Deltaflow and are also used for cutting edge research. The team is a mix of mathematicians, physicists and engineers, working together on a range of exciting and cutting edge projects. Our mission is exciting, but complex. It requires teams with a wide range of skills and perspectives, that communicate well and collaborate effectively to achieve truly innovative solutions. You will thrive in an environment where knowledge sharing and continuous learning are the norm. We are moving fast in a brand new market, where requirements can change quickly as the technology evolves, so the ability to adapt is critical. What you will do As a Senior/Staff Digital Design Engineer at Riverlane, you will work on one of these key areas: Implementation of QEC decoders on hardware Performance and area optimisation of our RTL In performing the above, you will (often from scratch) design or integrate complex IPs and develop tests, collaborating closely with our Software, Verification and Testing experts to deliver an outstanding product. What we need Experience with state of the art FPGA platforms (e.g., AMD/Xilinx MPSoCs/RFSoCs, Altera Stratix 7 or Stratix 10) Experience with ASIC environments ( Proven professional experience in at least one of the following areas: Implementation of modern classical decoders on FPGA/ASIC e.g. LDPC, turbo codes Architecture of System on Chip solutions, with at least one CPU and custom accelerators Large scale, complex systems on FPGA/ASIC Proven capability to test, debug and improve complex systems Ability to convert product requirements into technical specifications to document and share your work A curious nature and a passion for learning and continuous improvement Excellent communication skills, with the ability to work both independently and collaboratively as part of a team What can you expect from us A comprehensive benefits package that includes an annual bonus plan, private medical insurance, life insurance, and a contributory pension scheme Equity, so that our team can share in the long term success of Riverlane 28 days annual leave, plus bank holidays and enhanced family leave A diverse work environment that brings together experts in many fields (including software and hardware development, quantum information theory, physics and maths) and over 20 different nationalities A learning environment that encourages individual, team and company growth and development, including a regular programme of learning events and training and conference budgets How to apply Please upload a CV and covering letter by clicking 'ApplyNow'. Your covering letter should explain why you are applying for the job and what skills and experience you can bring to the role. We review CVs as we receive them and interview as soon as we have applications that look like a good match. We do not use closing dates. So, please apply as soon as possible to avoid missing out on this role. If you have any queries, please contact . Everyone is welcome at Riverlane. We are an equal opportunities employer and encourage applications from eligible and suitably qualified candidates regardless of age, disability, ethnicity, gender, gender reassignment, religion or belief, sexual orientation, marital or civil partnership status, or pregnancy and maternity/paternity. Women and other underrepresented groups may be less likely to apply for a role unless they meet all or nearly all of the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don't meet every single qualification. We'd love to hear from you. If you need any adjustments made to the application or selection process so you can do your best, please let us know. We will be happy to help.