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        4 Contract API jobs in South East + 20 miles

        Machine Learning Ops Engineer

        Affinity Water Limited
        Hatfield (AL10)
        £60,000 per annum
        Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
        Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
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        Position Overview - Job Title Lead Engineer - Location London - Corporate Title Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in architecting solutions across the stack, encouraging best practices and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and outside the workplace. Thats why we are committed to providing an environment with your development and ...
        Position Overview - Job Title Lead Engineer - Location London - Corporate Title Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in architecting solutions across the stack, encouraging best practices and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and outside the workplace. Thats why we are committed to providing an environment with your development and ...
        more

        Senior Software Engineer C#

        Luxion Group Limited
        Eastleigh, Hampshire
        Circa £56k + Up to 15% Discretionary Bonus Scheme
        C#, .NET Core, API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure
        C#, .NET Core, API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure
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        Lead, Software & Platform Engineering We are seeking an experienced Lead Product Engineer to join our team in London. Technical leadership: Guide and mentor the engineering team, making key technical decisions and providing a strategic framework and detailed technical guidance covering architectural patterns, tactical design patterns, best practices, and a clear implementation process. Product development: Lead the technology assessment for new products/features, influencing design decisions to manage risks and develop mitigation plans. Lead AI integration: Work with leadership to implement the company's long-term AI strategy, identifying practical use cases for AI and translating product goals into actionable technical tasks. Lead the design, development, and deployment of AI-enhanced software solutions and oversee the integration of AI capabilities into products and workflows.
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        With a Data Architect now in place, the focus is to recruit a Head of Software Engineering & Platform to lead the software engineering function. This will likely suite a Principal Software Engineer or Tech Lead with Architecture and Build experience looking to formalise their role into a "Head of" This is hands-on technical delivery leading by doing and mentoring so you will still be building full stack C# applications and deploying with DevOps and up skilling the team. You need to have experience of leading end to end software development including design, build, testing, deployment and support. Champion security and reliability by design: integrate compliance, performance, and monitoring into every stage of delivery. 8+ years in software engineering, with deep full-stack and cloud experience. Proven record of leading end to end engineering teams through ...
        With a Data Architect now in place, the focus is to recruit a Head of Software Engineering & Platform to lead the software engineering function. This will likely suite a Principal Software Engineer or Tech Lead with Architecture and Build experience looking to formalise their role into a "Head of" This is hands-on technical delivery leading by doing and mentoring so you will still be building full stack C# applications and deploying with DevOps and up skilling the team. You need to have experience of leading end to end software development including design, build, testing, deployment and support. Champion security and reliability by design: integrate compliance, performance, and monitoring into every stage of delivery. 8+ years in software engineering, with deep full-stack and cloud experience. Proven record of leading end to end engineering teams through ...
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        The successful candidate for the Engineer, Post Trade role, will be working with the Director Technical Delivery Solution and Delivery, will form part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for LSEG. Role Profile - This opening requires a candidate who takes great pride in delivering excellence with excellent logical and technical skills and a can-do attitude combined with a helpful mentality, and a wish to play a critical role in forming and growing a new business. Key Responsibilities - A strong focus on engineering excellence and coding, adopting an open and hands-on approach to problem-solving and delivery. Engage deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry standards.
        The successful candidate for the Engineer, Post Trade role, will be working with the Director Technical Delivery Solution and Delivery, will form part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for LSEG. Role Profile - This opening requires a candidate who takes great pride in delivering excellence with excellent logical and technical skills and a can-do attitude combined with a helpful mentality, and a wish to play a critical role in forming and growing a new business. Key Responsibilities - A strong focus on engineering excellence and coding, adopting an open and hands-on approach to problem-solving and delivery. Engage deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry standards.
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        Configuration Engineer

        EXL Service
        The City, City of London (EC3), EC3N 1DD
        A competitive salary with a generous bonus and additional benefits
        Role Title:Configuration Engineer * 3+ years of experience as a Configuration Engineer or similar role - This role focuses on building and maintaining configuration-driven solutions that power enterprise-grade insurance SaaS platforms. You will translate business and functional requirements into structured JSON and YAML configurations, enabling dynamic forms, workflows and rule engines without heavy custom code. Working closely with business analysts, developers and QA teams, you will ensure that configuration changes are robust, governed and aligned to platform standards. * Configure and manage JSON and YAML-based configurations for forms, rules and workflows * Define dynamic UI forms, field validations and conditional logic using configuration files * Implement and maintain business rules within a configuration-driven platform
        Role Title:Configuration Engineer * 3+ years of experience as a Configuration Engineer or similar role - This role focuses on building and maintaining configuration-driven solutions that power enterprise-grade insurance SaaS platforms. You will translate business and functional requirements into structured JSON and YAML configurations, enabling dynamic forms, workflows and rule engines without heavy custom code. Working closely with business analysts, developers and QA teams, you will ensure that configuration changes are robust, governed and aligned to platform standards. * Configure and manage JSON and YAML-based configurations for forms, rules and workflows * Define dynamic UI forms, field validations and conditional logic using configuration files * Implement and maintain business rules within a configuration-driven platform
        more

        Senior Founding Engineer

        Corecom Consulting
        London
        £80000 - £120000 per annum + equity + package
        Founding Engineer (EnergyTech / AI) Engineers here take ownership of problems end-to-end, from shaping early ideas through to delivering production features used by customers. * Experience as a Full-Stack Engineer building production systems Engineers who thrive here tend to enjoy working close to the problem, communicating clearly across technical and non-technical teams, and taking initiative rather than waiting for direction. London | Hybrid (3 days onsite) | £70k-£120k + Equity - A venture-backed EnergyTech start-up is building a new type of power company designed for the electrified future. As renewable energy adoption accelerates, the challenge is no longer just generating power, but storing, managing, and intelligently dispatching it. This team is developing software that sits at the centre of that transition, enabling a new generation of energy suppliers built around flexibility, storage, and ...
        Founding Engineer (EnergyTech / AI) Engineers here take ownership of problems end-to-end, from shaping early ideas through to delivering production features used by customers. * Experience as a Full-Stack Engineer building production systems Engineers who thrive here tend to enjoy working close to the problem, communicating clearly across technical and non-technical teams, and taking initiative rather than waiting for direction. London | Hybrid (3 days onsite) | £70k-£120k + Equity - A venture-backed EnergyTech start-up is building a new type of power company designed for the electrified future. As renewable energy adoption accelerates, the challenge is no longer just generating power, but storing, managing, and intelligently dispatching it. This team is developing software that sits at the centre of that transition, enabling a new generation of energy suppliers built around flexibility, storage, and ...
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        Principle Java Engineer

        Profile 29
        South East London (SE1)
        From £65,000 to £75,000 per annum + benefits + hybrid home working
        Theyre looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage - Youll play a key part in defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery.
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        C++ Lead / Engineering Manager - Systematic Trading

        McGregor Boyall Associates Limited
        City of London (EC1)
        £150000 - £275000 per annum
        A leading systematic trading environment is looking to hire a hands-on C++ Engineering Manager to work on business-critical trading systems in a live market environment. This role is suited to someone operating at lead or manager level who still enjoys being close to the code. * Lead the design and development of core trading and execution systems in modern C++ * Strong hands-on C++ engineering experience in Linux-based trading environments - Location: London or Amsterdam - Industry: Systematic Trading / Hedge Funds - Work model: Hybrid - The focus is on building and improving low-latency, production trading systems across systematic trading, automated trading, and execution. You will work closely with traders, quants, and engineers to deliver robust technology with direct impact on trading performance. * Build and enhance low-latency infrastructure used across systematic trading and execution
        A leading systematic trading environment is looking to hire a hands-on C++ Engineering Manager to work on business-critical trading systems in a live market environment. This role is suited to someone operating at lead or manager level who still enjoys being close to the code. * Lead the design and development of core trading and execution systems in modern C++ * Strong hands-on C++ engineering experience in Linux-based trading environments - Location: London or Amsterdam - Industry: Systematic Trading / Hedge Funds - Work model: Hybrid - The focus is on building and improving low-latency, production trading systems across systematic trading, automated trading, and execution. You will work closely with traders, quants, and engineers to deliver robust technology with direct impact on trading performance. * Build and enhance low-latency infrastructure used across systematic trading and execution
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        What is the average salary for API in South East?

        Average salary per year
        £67,499

        The average salary for a API in South East is £67,499. API in South East salaries range from £52,499 to £82,499.

        Frequently Asked Questions

        How many contract API jobs are there in South East?
        There are 4 contract API jobs within 20 miles of South East available on JustEngineers right now.

        Where in South East are these contract jobs?
        You can find contract jobs in London, Hampshire, Hertfordshire.

        What other similar jobs are there to contract API jobs in South East?
        As well as contract API jobs in South East, you can find contract Engineering, Management, Software Development, amongst many others.