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69 Permanent API jobs in Lambeth (SE1) + 20 miles
224 exact matches jobs are outside your preferred location
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Secure-Linux tools & API libraries.
Secure-Linux tools & API libraries.
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Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
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Influence Direction: Bring strong views on frontend patterns, API design, and how frontend & backend fit together (were currently using Python, REST, GraphQL, microservices). * Backend/API experience (Python, GraphQL, microservices).
Influence Direction: Bring strong views on frontend patterns, API design, and how frontend & backend fit together (were currently using Python, REST, GraphQL, microservices). * Backend/API experience (Python, GraphQL, microservices).
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Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
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Senior Developer SPA Web
Senior Developer SPA Web
Opus Enterprise Ltd T/A Real Recruitment
MK10, Milton Keynes
Excellent salary and benefits package
Rest-based API interactions
Rest-based API interactions
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We are Landsec - We identify and shape places that create opportunity, enhance quality of life, and bring joy to the people connected to them. This is how weve created the UKs leading portfolio of urban places and one of the largest real estate companies in Europe. Our £10 billion portfolio is built around premium workplaces, the countrys pre-eminent retail platform, and a residential pipeline that will redefine urban life. Weve honed this ability over 80 years. Spotting the opportunities, building the partnerships, and continually adapting to shape the places that meet the needs of a changing world. Places where life happens. Where businesses grow. And where cities are defined. This role is based in London Victoria, and offers hybrid working, with majority of the working week in the office. We recommend discussing arrangements with the hiring manager.
We are Landsec - We identify and shape places that create opportunity, enhance quality of life, and bring joy to the people connected to them. This is how weve created the UKs leading portfolio of urban places and one of the largest real estate companies in Europe. Our £10 billion portfolio is built around premium workplaces, the countrys pre-eminent retail platform, and a residential pipeline that will redefine urban life. Weve honed this ability over 80 years. Spotting the opportunities, building the partnerships, and continually adapting to shape the places that meet the needs of a changing world. Places where life happens. Where businesses grow. And where cities are defined. This role is based in London Victoria, and offers hybrid working, with majority of the working week in the office. We recommend discussing arrangements with the hiring manager.
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Experience with API development and integration
Experience with API development and integration
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Understanding of cloud-based solutions and communication protocols (SOAP, API, HTTPS, SFTP, etc.).
Understanding of cloud-based solutions and communication protocols (SOAP, API, HTTPS, SFTP, etc.).
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Principal Developer C# & Azure
Principal Developer C# & Azure
Opus Enterprise Ltd T/A Real Recruitment
MK10, Milton Keynes
Excellent salary and benefits package
Azure AI Search, using API and designing indexes - Azure AD, Enterprise apps and interactions via Graph API Data sources: via ODBC, RESTful API, Message-based Architectures
Azure AI Search, using API and designing indexes - Azure AD, Enterprise apps and interactions via Graph API Data sources: via ODBC, RESTful API, Message-based Architectures
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Contract: Full-Time, Permanent - Location: Maidenhead, Berkshire (Hybrid flexible, 3 days office) Salary: Up to £110,000 per annum - At Dignity and Farewill, we're redefining what end-of-life services can look and feel like - modern, compassionate, accessible. As we combine the scale and experience of Dignity with Farewill's tech-driven innovation, we're building a next-generation platform to support families at one of life's most important moments. We're looking for a Software Engineering Lead to join our growing technology team and help drive this transformation. This is a hands-on technical leadership role, responsible for guiding one of our key product domains - whether that's Funeral Plans, Legal Services, or At-Need Funerals - from strategy through to scalable, secure software delivery. What you'll be doing
Contract: Full-Time, Permanent - Location: Maidenhead, Berkshire (Hybrid flexible, 3 days office) Salary: Up to £110,000 per annum - At Dignity and Farewill, we're redefining what end-of-life services can look and feel like - modern, compassionate, accessible. As we combine the scale and experience of Dignity with Farewill's tech-driven innovation, we're building a next-generation platform to support families at one of life's most important moments. We're looking for a Software Engineering Lead to join our growing technology team and help drive this transformation. This is a hands-on technical leadership role, responsible for guiding one of our key product domains - whether that's Funeral Plans, Legal Services, or At-Need Funerals - from strategy through to scalable, secure software delivery. What you'll be doing
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In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
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AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
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As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.ROLE PROFILEAs a Senior Data Engineer, you are responsible for developing and maintaining scalable data pipelines and building out new API integrations to support continuing increases in data volume and complexity.
As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.ROLE PROFILEAs a Senior Data Engineer, you are responsible for developing and maintaining scalable data pipelines and building out new API integrations to support continuing increases in data volume and complexity.
Experience with AWS - AWS API, EC2, S3, RDS, Lambda, Route53, VPC, CloudFront, CloudWatch, IAM, ADFS, Elastic Cache, Microservices, Elastic Beanstalk
Experience with AWS - AWS API, EC2, S3, RDS, Lambda, Route53, VPC, CloudFront, CloudWatch, IAM, ADFS, Elastic Cache, Microservices, Elastic Beanstalk
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
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AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ens
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ens
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3 Days of work in the office - Job Summary * Migrate on-premise services to OCP in AWS. * Update pipelines to use in-house Trident solution. * Upgrade all components from Spring Boot 3.5 to 4. * Creation of new services or data sinks that are single responsibility and publish/consume from Kafka. * Service decommissions. * BAU work. Job Requirements * Java 17, 21 * Junit 5, Cucumber * Spring Boot 3, 4 * Tooling (Gradle, GitHub, Nexus, Artifactory, Sonar, Jacoco) * Kafka * Kubernetes, Helm * Databases (Preferably HBase, PostgreSQL) * Jenkins and CICD * Kafka Streams, Data sinks * OCP * RabbitMQ * Observability (Datadog, Grafana, Logging concepts and traces, Logback) * AWS * NoSQL datastores (Mongo, DynamoDB) * Security (Kerberos, JWT, Hashi Corp Vault, CVEs) * Design principles (Event Driven, testing, migrations, SOA, microservices, APIs)
3 Days of work in the office - Job Summary * Migrate on-premise services to OCP in AWS. * Update pipelines to use in-house Trident solution. * Upgrade all components from Spring Boot 3.5 to 4. * Creation of new services or data sinks that are single responsibility and publish/consume from Kafka. * Service decommissions. * BAU work. Job Requirements * Java 17, 21 * Junit 5, Cucumber * Spring Boot 3, 4 * Tooling (Gradle, GitHub, Nexus, Artifactory, Sonar, Jacoco) * Kafka * Kubernetes, Helm * Databases (Preferably HBase, PostgreSQL) * Jenkins and CICD * Kafka Streams, Data sinks * OCP * RabbitMQ * Observability (Datadog, Grafana, Logging concepts and traces, Logback) * AWS * NoSQL datastores (Mongo, DynamoDB) * Security (Kerberos, JWT, Hashi Corp Vault, CVEs) * Design principles (Event Driven, testing, migrations, SOA, microservices, APIs)
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Senior Software Developer
Senior Software Developer
Constant Recruitment
Shepway, ME15
Up to £55,000 per annum Depending on Experience
Maidstone, Kent - Salary: Up to £55,000 - Office-based (with some flexibility) Are you a Senior Developer confident in PHP and Laravel? Are you confident with Laravel and ready to take ownership of key projects? Looking to join a company that invests in quality, not chaos? We are recruiting for a long-established and successful company based in Maidstone, Kent, looking to expand their internal development team. They are looking for aSenior Software Developerwith strong PHP Laravel experience to take ownership of both greenfield and ongoing projects, from system design through to implementation and delivery. You will be a technical leader in the team, helping to shape the architecture, support junior developers, and contribute to continual improvements across the stack. * Leading the design and development of new features usingPHP and Laravel
Maidstone, Kent - Salary: Up to £55,000 - Office-based (with some flexibility) Are you a Senior Developer confident in PHP and Laravel? Are you confident with Laravel and ready to take ownership of key projects? Looking to join a company that invests in quality, not chaos? We are recruiting for a long-established and successful company based in Maidstone, Kent, looking to expand their internal development team. They are looking for aSenior Software Developerwith strong PHP Laravel experience to take ownership of both greenfield and ongoing projects, from system design through to implementation and delivery. You will be a technical leader in the team, helping to shape the architecture, support junior developers, and contribute to continual improvements across the stack. * Leading the design and development of new features usingPHP and Laravel
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we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
we are hiring forTechnical Data Architect - location: Central London - Type : Permanent - Hybrid role (2-3 days from client location) We are seeking a highly skilled TechnicalData Architect- with expertise in Databricks, PySpark, and modern data engineering practices. The ideal candidate will lead the design, development, and optimization of scalable data pipelines, while ensuring data accuracy, consistency, and performance across the enterprise Lakehouse platform. This role requires strong leadership, technical depth, and the ability to collaborate with cross-functional teams. Key Responsibilities - Lead the design, development, and maintenance of scalable, high-performance data pipelines on Databricks. Architect and implement data ingestion, transformation, and integration workflows using PySpark, SQL, and Delta Lake.
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At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities and societies across the globe. To learn more about our purpose, culture and priorities, visit our strategy site. Within our consult business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project. * Safety first - Going home safe and well. * Client focus - Deliver on our promise. * Integrity - Always do the right thing. * Create opportunity - for our people to excel. The role is for a developer specialising in the Microsoft Power platform technology stack (SharePoint Online, Power Apps, Power Automate and Power Pages). It is a client-facing role supporting fee-earning projects and programmes.
At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities and societies across the globe. To learn more about our purpose, culture and priorities, visit our strategy site. Within our consult business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project. * Safety first - Going home safe and well. * Client focus - Deliver on our promise. * Integrity - Always do the right thing. * Create opportunity - for our people to excel. The role is for a developer specialising in the Microsoft Power platform technology stack (SharePoint Online, Power Apps, Power Automate and Power Pages). It is a client-facing role supporting fee-earning projects and programmes.
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Job Title: Naimuri - Software Engineer - Job Location: London - Job Type: Permanent, Fulltime - We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process. Weve been around for about ten years and grown from being a little-known tech start-up to creating our own community at the heart of the thriving and diverse tech and digital ecosystem of Greater Manchester.
Job Title: Naimuri - Software Engineer - Job Location: London - Job Type: Permanent, Fulltime - We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process. Weve been around for about ten years and grown from being a little-known tech start-up to creating our own community at the heart of the thriving and diverse tech and digital ecosystem of Greater Manchester.
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Company Overview - At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform peoples lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients needs and have the highest probability of success. GSK has kicked off 2025 with impressive growth in sales, profits, and earnings. We anticipate five major new FDA product approvals and 15 phase III/pivotal study readouts over the next two years. So far, we have secured two FDA approvals, with three more expected later this year.
Company Overview - At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform peoples lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients needs and have the highest probability of success. GSK has kicked off 2025 with impressive growth in sales, profits, and earnings. We anticipate five major new FDA product approvals and 15 phase III/pivotal study readouts over the next two years. So far, we have secured two FDA approvals, with three more expected later this year.
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Description - Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology, which run natively in the cloud. What we are attempting is challenging and requires great people working together to build exceptional technology. We have grown rapidly over the past few years, expanding our team to more than 550 individuals across offices in London, New York, Singapore, and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture enabling our team to produce the best work in the industry, ensuring we have fun along the
Description - Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology, which run natively in the cloud. What we are attempting is challenging and requires great people working together to build exceptional technology. We have grown rapidly over the past few years, expanding our team to more than 550 individuals across offices in London, New York, Singapore, and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture enabling our team to produce the best work in the industry, ensuring we have fun along the
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
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