At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring Staff / Senior Backend Engineers who are comfortable building robust, scalable systems that power our AI platform. Details: Role: Backend Engineer Location: London, UK (Hybrid, In-Person 4 days a week) Experience: Required: 4+ years Visa: Unfortunately, we don't sponsor visas yet. You must have the right to work in the UK. About Capsa AI At Capsa, we're on a mission to transform how private capital firms source, analyse, and win deals. Our AI operating system accelerates due diligence, unlocks deeper insights, and helps funds focus on what matters - creating value. We're lean, ambitious, and obsessed with building a category-defining company. In just 12 months, we've grown ARR by 15x, achieved product-market fit with leading multi-billion-dollar PE firms, and expanded across the US, UK, and Europe. Backed by top VCs and senior PE execs from Warburg Pincus, KKR, and Goldman Sachs, we're just getting started. The Role A senior backend engineer at Capsa is expected to own projects and features from conception to production, building the infrastructure and services that underpin our AI platform. Key responsibilities include: Improving our agent's capabilities - design and implement new features that endow our agent with human-level investment expertise. Building scalable data pipelines - design and implement systems that ingest, process, and index large volumes of documents and financial data. Developing robust APIs and services - create performant, reliable backend services that power our platform. Improving connectivity - integrate and incorporate additional data sources into our agent loop, increasing the depth and breadth of the analyses that can be performed. Maintaining high code quality - uphold rigorous standards across our codebase, ensuring tech debt doesn't impede our velocity. Recent projects include: Agentic assistant with a finance-focused toolkit and advanced document authoring features Scalable document ingestion and indexing pipeline In-house, streaming-first agent framework AI-assisted document editor As an early stage startup, working at Capsa will be hard work, it will be messy and at times it will be stressful. However, you will: Work directly with our founding team. Participate in the upside of an ultra-growth venture. Shape the company's vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if You'll likely be a great fit if most of the following describe you: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, Redis, message queues, distributed systems You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. Additional Perks Alongside the core role and growth opportunity, we also offer: Private healthcare insurance. One month per year remote working. Budget for setting up your Home-Office. Generous referral scheme (£10k per hired referral).
19/05/2026
Full time
At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring Staff / Senior Backend Engineers who are comfortable building robust, scalable systems that power our AI platform. Details: Role: Backend Engineer Location: London, UK (Hybrid, In-Person 4 days a week) Experience: Required: 4+ years Visa: Unfortunately, we don't sponsor visas yet. You must have the right to work in the UK. About Capsa AI At Capsa, we're on a mission to transform how private capital firms source, analyse, and win deals. Our AI operating system accelerates due diligence, unlocks deeper insights, and helps funds focus on what matters - creating value. We're lean, ambitious, and obsessed with building a category-defining company. In just 12 months, we've grown ARR by 15x, achieved product-market fit with leading multi-billion-dollar PE firms, and expanded across the US, UK, and Europe. Backed by top VCs and senior PE execs from Warburg Pincus, KKR, and Goldman Sachs, we're just getting started. The Role A senior backend engineer at Capsa is expected to own projects and features from conception to production, building the infrastructure and services that underpin our AI platform. Key responsibilities include: Improving our agent's capabilities - design and implement new features that endow our agent with human-level investment expertise. Building scalable data pipelines - design and implement systems that ingest, process, and index large volumes of documents and financial data. Developing robust APIs and services - create performant, reliable backend services that power our platform. Improving connectivity - integrate and incorporate additional data sources into our agent loop, increasing the depth and breadth of the analyses that can be performed. Maintaining high code quality - uphold rigorous standards across our codebase, ensuring tech debt doesn't impede our velocity. Recent projects include: Agentic assistant with a finance-focused toolkit and advanced document authoring features Scalable document ingestion and indexing pipeline In-house, streaming-first agent framework AI-assisted document editor As an early stage startup, working at Capsa will be hard work, it will be messy and at times it will be stressful. However, you will: Work directly with our founding team. Participate in the upside of an ultra-growth venture. Shape the company's vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if You'll likely be a great fit if most of the following describe you: You have 4+ years of experience as a software engineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, Redis, message queues, distributed systems You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. Additional Perks Alongside the core role and growth opportunity, we also offer: Private healthcare insurance. One month per year remote working. Budget for setting up your Home-Office. Generous referral scheme (£10k per hired referral).
Cornerstone VC is seeking a Senior Platform Engineer to manage infrastructure and tooling during a critical growth phase. The role involves owning operational performance, enhancing CI/CD systems, and architecting solutions in a cloud environment (AWS). Ideal candidates should have robust experience in platform engineering and DevOps, alongside strong knowledge of CI/CD practices. The position offers a hybrid working model and competitive salary along with numerous benefits including private healthcare and a generous learning budget.
18/05/2026
Full time
Cornerstone VC is seeking a Senior Platform Engineer to manage infrastructure and tooling during a critical growth phase. The role involves owning operational performance, enhancing CI/CD systems, and architecting solutions in a cloud environment (AWS). Ideal candidates should have robust experience in platform engineering and DevOps, alongside strong knowledge of CI/CD practices. The position offers a hybrid working model and competitive salary along with numerous benefits including private healthcare and a generous learning budget.
Location London Employment Type Full time Location Type Hybrid Department Technology About the role We're looking for an exceptional Senior Platform Engineer to join Definely during a pivotal stage of growth. Senior Platform Engineers get involved with the whole product infrastructure and tooling, building out novel and scalable solutions for engineers and customers. We're also responsible for reliability, security and automation. What you'll do: The work we do in platform is broad and deep, but in a normal week you'll be involved in: Own the operational performance of our systems, analysing repetitive work and toil, and automating where most advantageous Manage our CI/CD system and improve the developer experience whilst maintaining error budgets and deployment safety Design and architect our platform to support product needs at a strategic level Build a highly robust cloud environment (mostly AWS) through IaC, automation and best-fit architectures Leading projects of improvement to our platform and ensuring delivery according to plan Collaborating closely with product engineering, security and leadership teams across the business What you'll bring: Strong experience in platform engineering, DevOps, or Infrastructure roles Expertise in Cloud tools and services (AWS is our primary cloud) Deep understanding of DevOps SRE practices Directing and architecting robust and resilient cloud services through IaC (we use Terraform) Knowledge of highly performant and strongly governed CI/CD practices and tooling Ability to lead technical projects and make pragmatic architectural decisions We'll be lucky if you: Have experience with security products and tooling, and DevSecOps experience in a highly dynamic environment Have experience leading incident response and post incident reviews Deep experience with data platforms (databases, queues, caches, storage etc.) Have experience building AI/ML infrastructure or workloads Have worked in high growth SaaS or startup environments What we can offer you: Competitive salary & annual bonus Share options Quarterly team socials & annual company offsite Hybrid working + 1 month "work from anywhere" 25 days holiday + bank holidays Take your birthday off £750 annual learning & development budget Private healthcare (incl. dental & optical) Enhanced parental leave Additional perks: Cycle to Work, Workplace Nursery salary sacrifice scheme, and top-quality equipment
17/05/2026
Full time
Location London Employment Type Full time Location Type Hybrid Department Technology About the role We're looking for an exceptional Senior Platform Engineer to join Definely during a pivotal stage of growth. Senior Platform Engineers get involved with the whole product infrastructure and tooling, building out novel and scalable solutions for engineers and customers. We're also responsible for reliability, security and automation. What you'll do: The work we do in platform is broad and deep, but in a normal week you'll be involved in: Own the operational performance of our systems, analysing repetitive work and toil, and automating where most advantageous Manage our CI/CD system and improve the developer experience whilst maintaining error budgets and deployment safety Design and architect our platform to support product needs at a strategic level Build a highly robust cloud environment (mostly AWS) through IaC, automation and best-fit architectures Leading projects of improvement to our platform and ensuring delivery according to plan Collaborating closely with product engineering, security and leadership teams across the business What you'll bring: Strong experience in platform engineering, DevOps, or Infrastructure roles Expertise in Cloud tools and services (AWS is our primary cloud) Deep understanding of DevOps SRE practices Directing and architecting robust and resilient cloud services through IaC (we use Terraform) Knowledge of highly performant and strongly governed CI/CD practices and tooling Ability to lead technical projects and make pragmatic architectural decisions We'll be lucky if you: Have experience with security products and tooling, and DevSecOps experience in a highly dynamic environment Have experience leading incident response and post incident reviews Deep experience with data platforms (databases, queues, caches, storage etc.) Have experience building AI/ML infrastructure or workloads Have worked in high growth SaaS or startup environments What we can offer you: Competitive salary & annual bonus Share options Quarterly team socials & annual company offsite Hybrid working + 1 month "work from anywhere" 25 days holiday + bank holidays Take your birthday off £750 annual learning & development budget Private healthcare (incl. dental & optical) Enhanced parental leave Additional perks: Cycle to Work, Workplace Nursery salary sacrifice scheme, and top-quality equipment
A leading legal tech company is seeking a React Team Lead in London. You will guide a team of developers to shape product direction and ensure high-quality code. The ideal candidate has over 5 years of React development experience, strong technical skills, and proven leadership capabilities. This hybrid role offers a dynamic environment and opportunities for growth within a rapidly expanding startup backed by significant funding.
13/05/2026
Full time
A leading legal tech company is seeking a React Team Lead in London. You will guide a team of developers to shape product direction and ensure high-quality code. The ideal candidate has over 5 years of React development experience, strong technical skills, and proven leadership capabilities. This hybrid role offers a dynamic environment and opportunities for growth within a rapidly expanding startup backed by significant funding.
Location London Employment Type Full time Location Type Hybrid Department Operations About the role We're looking for a skilled Senior Information Security Officer to join Definely at a pivotal stage of growth. In this role, you'll take ownership of implementing and maintaining our security standards, supporting compliance programs, and promoting secure practices across engineering and business teams. You'll play a key role in ensuring our systems and processes align with ISO 27001 and SOC 2 requirements, contributing to risk assessments, and supporting incident response activities. Working closely with product and engineering teams, you'll help embed security into the design of our Microsoft Word add-ins and AI-driven features. As we scale, you'll also provide IT support across the business, helping to manage devices, onboard new team members, and support day-to-day IT operations to ensure our people can work securely and efficiently. This is an exciting opportunity to have a direct impact on the security posture of a fast-growing LegalTech company, helping safeguard enterprise customers' most sensitive data while also shaping how we scale IT and security together. What you'll do: Governance & Compliance Own and evolve Definely's Information Security Management System (ISMS). Lead ISO 27001 and SOC 2 Type II audits, ensuring controls remain effective. Drive readiness for ISO/IEC 42001 AI certification Apply prior experience successfully obtaining ISO and SOC certifications Manage customer due diligence requests and run Definely's SafeBase-powered Trust Center; streamline customer security questionnaires, DPAs, and RFP security sections. Product & Engineering Partnership Embed secure SDLC practices across product teams, from design to release. Perform threat modelling, define non-functional security requirements, and review designs for security impact. Guide security considerations in our AI/LLM-enabled products. Risk & Incident Management Own the company-wide incident response plan and lead tabletop exercises. Perform ongoing risk assessments, vendor security reviews, and DPIAs. Ensure strong access management, secrets management, and cloud security hygiene. IT Support & Operations Provide day-to-day IT support for employees, including device management, troubleshooting, and access provisioning. Support onboarding and offboarding processes to ensure secure and efficient setup of accounts, devices, and permissions. Help scale internal IT processes and tooling as the company grows. Enablement & Communication Deliver security training and awareness across the company. Communicate risks and incidents clearly to technical and non-technical stakeholders. What you'll bring: Proven experience in information security within a SaaS or product led environment Strong track record of delivering ISO 2701, SOC 2, or similar certifications, with interest in ISO/IEC 42001 AI standards Experience with compliance tooling such as Drata and working with ISO auditors, ideally in the UK Solid understanding of GDPR and data protection best practices Deep knowledge of secure SDLC, threat modelling, and securing AI and LLM based systems Strong cloud security expertise across Azure or AWS, including access control, secrets management, and incident response Experience running IT operations in a scaling business, including device management, SaaS tooling, and identity systems such as SSO and IAM Excellent communication skills, with the ability to work cross functionally and manage customer security and due diligence processes Relevant certifications such as CISSP, CISM, CCSK, or ISO 27001 Lead Auditor, and a degree in a related field What we can offer you: Competitive salary & annual bonus Equity in Definely Quarterly team socials + holiday parties Hybrid working + 1 month "work from anywhere" 25 days holiday + bank holidays Take your birthday off £750 annual learning & development budget Private healthcare (incl. dental & optical) Enhanced parental leave + Workplace Nursery salary sacrifice scheme Additional perks: Cycle to Work Top-quality equipment About Definely Definely builds specialist review tools for lawyers working on complex contracts. As AI accelerates the volume and pace of legal decisions, Definely ensures lawyers can understand the full structure of a contract, see the implications of every change, and negotiate with confidence and control. Launched in September 2020 by Nnamdi Emelifeonwu and Feargus MacDaeid, who worked together at Freshfields, Definely is trusted by over 150+ in-house legal teams and private practice firms, with thousands of users globally. Its customers include top Magic Circle and AMLaw 200 firms, including A&O Shearman, Slaughter and May, DLA Piper, KPMG, Samsung and IKEA. We recently raised our Series B and are backed by Microsoft, Google, and Octopus Ventures. This is a rare opportunity to shape a new category at the moment it becomes essential. Data Privacy Notice By submitting your application, you agree that DEFEYENE LEGAL SOLUTIONS LIMITED ('Definely') may collect, process, and store your personal data as part of our recruitment process. We will use the information you provide to assess your qualifications for the role you are applying for and to communicate with you regarding your application.Your personal data will be stored for up to 12 months, after which it will be securely deleted unless we have another lawful basis to retain it. You have the right to access, correct, or request the deletion of your data at any time.For more details on how we handle your personal data and your rights, please send us an email to and we will send you our privacy policy.
11/05/2026
Full time
Location London Employment Type Full time Location Type Hybrid Department Operations About the role We're looking for a skilled Senior Information Security Officer to join Definely at a pivotal stage of growth. In this role, you'll take ownership of implementing and maintaining our security standards, supporting compliance programs, and promoting secure practices across engineering and business teams. You'll play a key role in ensuring our systems and processes align with ISO 27001 and SOC 2 requirements, contributing to risk assessments, and supporting incident response activities. Working closely with product and engineering teams, you'll help embed security into the design of our Microsoft Word add-ins and AI-driven features. As we scale, you'll also provide IT support across the business, helping to manage devices, onboard new team members, and support day-to-day IT operations to ensure our people can work securely and efficiently. This is an exciting opportunity to have a direct impact on the security posture of a fast-growing LegalTech company, helping safeguard enterprise customers' most sensitive data while also shaping how we scale IT and security together. What you'll do: Governance & Compliance Own and evolve Definely's Information Security Management System (ISMS). Lead ISO 27001 and SOC 2 Type II audits, ensuring controls remain effective. Drive readiness for ISO/IEC 42001 AI certification Apply prior experience successfully obtaining ISO and SOC certifications Manage customer due diligence requests and run Definely's SafeBase-powered Trust Center; streamline customer security questionnaires, DPAs, and RFP security sections. Product & Engineering Partnership Embed secure SDLC practices across product teams, from design to release. Perform threat modelling, define non-functional security requirements, and review designs for security impact. Guide security considerations in our AI/LLM-enabled products. Risk & Incident Management Own the company-wide incident response plan and lead tabletop exercises. Perform ongoing risk assessments, vendor security reviews, and DPIAs. Ensure strong access management, secrets management, and cloud security hygiene. IT Support & Operations Provide day-to-day IT support for employees, including device management, troubleshooting, and access provisioning. Support onboarding and offboarding processes to ensure secure and efficient setup of accounts, devices, and permissions. Help scale internal IT processes and tooling as the company grows. Enablement & Communication Deliver security training and awareness across the company. Communicate risks and incidents clearly to technical and non-technical stakeholders. What you'll bring: Proven experience in information security within a SaaS or product led environment Strong track record of delivering ISO 2701, SOC 2, or similar certifications, with interest in ISO/IEC 42001 AI standards Experience with compliance tooling such as Drata and working with ISO auditors, ideally in the UK Solid understanding of GDPR and data protection best practices Deep knowledge of secure SDLC, threat modelling, and securing AI and LLM based systems Strong cloud security expertise across Azure or AWS, including access control, secrets management, and incident response Experience running IT operations in a scaling business, including device management, SaaS tooling, and identity systems such as SSO and IAM Excellent communication skills, with the ability to work cross functionally and manage customer security and due diligence processes Relevant certifications such as CISSP, CISM, CCSK, or ISO 27001 Lead Auditor, and a degree in a related field What we can offer you: Competitive salary & annual bonus Equity in Definely Quarterly team socials + holiday parties Hybrid working + 1 month "work from anywhere" 25 days holiday + bank holidays Take your birthday off £750 annual learning & development budget Private healthcare (incl. dental & optical) Enhanced parental leave + Workplace Nursery salary sacrifice scheme Additional perks: Cycle to Work Top-quality equipment About Definely Definely builds specialist review tools for lawyers working on complex contracts. As AI accelerates the volume and pace of legal decisions, Definely ensures lawyers can understand the full structure of a contract, see the implications of every change, and negotiate with confidence and control. Launched in September 2020 by Nnamdi Emelifeonwu and Feargus MacDaeid, who worked together at Freshfields, Definely is trusted by over 150+ in-house legal teams and private practice firms, with thousands of users globally. Its customers include top Magic Circle and AMLaw 200 firms, including A&O Shearman, Slaughter and May, DLA Piper, KPMG, Samsung and IKEA. We recently raised our Series B and are backed by Microsoft, Google, and Octopus Ventures. This is a rare opportunity to shape a new category at the moment it becomes essential. Data Privacy Notice By submitting your application, you agree that DEFEYENE LEGAL SOLUTIONS LIMITED ('Definely') may collect, process, and store your personal data as part of our recruitment process. We will use the information you provide to assess your qualifications for the role you are applying for and to communicate with you regarding your application.Your personal data will be stored for up to 12 months, after which it will be securely deleted unless we have another lawful basis to retain it. You have the right to access, correct, or request the deletion of your data at any time.For more details on how we handle your personal data and your rights, please send us an email to and we will send you our privacy policy.
Cornerstone VC is looking for a Senior Information Security Officer to enhance their security standards and support compliance at their growing London office. Responsibilities include leading ISO audits, implementing risk assessments, and providing IT support. Ideal candidates will have strong backgrounds in SaaS, experience with ISO 27001, SOC 2 certifications, and cloud security expertise across Azure or AWS. You will also deliver security training and communicate risks to stakeholders in this hybrid role.
11/05/2026
Full time
Cornerstone VC is looking for a Senior Information Security Officer to enhance their security standards and support compliance at their growing London office. Responsibilities include leading ISO audits, implementing risk assessments, and providing IT support. Ideal candidates will have strong backgrounds in SaaS, experience with ISO 27001, SOC 2 certifications, and cloud security expertise across Azure or AWS. You will also deliver security training and communicate risks to stakeholders in this hybrid role.