23 software engineer jobs found

Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK)   Are you an experienced software engineer who instinctively spots gaps in technical reasoning and understands the complex realities of software development? Do you have 8 to 20 hours per week available alongside your main job or freelance projects? Join us in shaping how AI understands and applies software engineering expertise at scale.   About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable software engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems.   What You Will Do Review and refine AI-generated outputs related to software engineering, technical documentation, code quality, and practical aspects of software development Evaluate AI responses for technical accuracy, practicality, and alignment...

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...

About the job   Senior Software Engineer - Outside IR35 - Contract (Insurance)   About the role   Essential:   Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with)   Frontend:   React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for...

Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....

Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....

Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....

Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below...

About The Role Hippo is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are looking to recruit talented Content Designers for current contractor opportunities. Due to the variety of our projects and clients, we have Inside IR35 positions available on a short-term or long-term basis with hybrid/flexible working arrangements. Content Designers ensure that people using a service can get the information they need, when they need it, in a format that’s right for them. They work with user researchers to identify what people need from a service. Then they write content to meet those needs, collaborating with UX designs and other members of multidisciplinary teams to shape, test and iterate a service in response to user feedback. Our solutions empower our customers to build and support secure, scalable, and well-engineered systems beyond...

Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...

Description Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract SDET / QA Engineer to join our dynamic team. As a Codurance SDET, you will be embedded directly within a high-autonomy engineering pod, owning quality end-to-end and working alongside a small team of AI-enabled engineers. This is an initial  6-month contract, inside IR35. Day rate: £500 Requirements To be successful in this role, you should have: Strong test automation skills with a senior SDET or QA Engineer mindset and you own quality end-to-end, not just execute test cases Experience building regression, feature validation, and performance test coverage, ideally from a low or undefined baseline Comfort operating with high autonomy inside a small engineering squad, without a dedicated QA lead above you An AI-first approach to your...

Experience / Competences Proficiency in writing database queries using SQL and general understanding of relational databases, and in data pipeline design and development. Experience with ETL processes, familiarity with the AWS ecosystem e.g. S3, Glue, DMS, CLI, etc., and experience with tools such as Qliksense, PowerBI, or equivalent. Ability to setup database connections and manage related issues. Familiarity with data analysis on trading platforms to understand order and trade lifecycle events. Be able to work through, with completeness and accuracy, a technical checklist of data validation and feed the results back to the Data Lead Be able to understand the reconciliation approach of order and order event count matching and use analysis techniques to identify differences and their cause. Self-starter, strong problem solver and great attention to detail. Excellent written and verbal communication. Adaptable, resilient, and a forward thinker....

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...

Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...

Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...

Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...