API Development Job Vacancies

351 to 375 of 398 API Development Jobs

Mobile Engineer

Edinburgh, United Kingdom
Rockstar Games
with some of the most talented people in the industry. Rockstar is on the lookout for talented Mobile Engineer with a strong understanding of iOS and/or Android development to help us build and maintain our mobile platform, including our SDK, and build systems. This is a full-time, permanent and in-office position based in Rockstar's … state-of-the-art game development studio in Edinburgh, Scotland. WHAT WE DO We build the Rockstar Mobile SDK that goes into each of our mobile titles. We develop and maintain the build system used for our mobile titles and other artifacts. RESPONSIBILITIES Develop features across our iOS and/or Android codebases and ensure feature and experience parity … 3+ years of experience with iOS and/or Android development. A degree in Computer Science/related discipline, or equivalent experience. SKILLS Expertise in Swift and the iOS development workflow and/or Kotlin and the Android development workflow. Strong experience with Flutter for UI/UX. Strong experience with Ruby for build automation. Strong CS fundamentals More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Engineer, Platform, Network Services

Baltimore, Maryland, United States
OneMain Financial
Contact Center as a Service) solutions. The ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a working knowledge of Avaya PBX systems. This role requires strong technical expertise, project management skills, and a collaborative mindset to deliver seamless contact center solutions. Title … load balancers. Provide ongoing support and maintenance of CCaaS solutions to ensure system reliability, performance, and scalability. Troubleshoot and resolve issues related to infrastructure and integration points. Lead the development of custom APIs and integrate third-party systems (e.g., CRM, WFM, billing, and other backend systems) with CCaaS solutions to enhance functionality and automate workflows. Work closely with management … CCaaS, CRM, and other internal systems. Support Avaya-specific features such as ACD, trunks, and dial patterns, ensuring proper integration with cloud-based contact center solutions. Requirements Proficient in API development and integrations (REST, SOAP, JSON, etc.). Expertise in CCaaS platforms such as Amazon Connect, NiceCX, Five9, Twilio, or similar. Proficiency with WFM tools (e.g., NICE, Verint More ❯
Employment Type: Permanent
Salary: USD Hourly
Posted:

Lead Engineer, Platform, Network Services

Irving, Texas, United States
OneMain Financial
Contact Center as a Service) solutions. The ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a working knowledge of Avaya PBX systems. This role requires strong technical expertise, project management skills, and a collaborative mindset to deliver seamless contact center solutions. Title … load balancers. Provide ongoing support and maintenance of CCaaS solutions to ensure system reliability, performance, and scalability. Troubleshoot and resolve issues related to infrastructure and integration points. Lead the development of custom APIs and integrate third-party systems (e.g., CRM, WFM, billing, and other backend systems) with CCaaS solutions to enhance functionality and automate workflows. Work closely with management … CCaaS, CRM, and other internal systems. Support Avaya-specific features such as ACD, trunks, and dial patterns, ensuring proper integration with cloud-based contact center solutions. Requirements Proficient in API development and integrations (REST, SOAP, JSON, etc.). Expertise in CCaaS platforms such as Amazon Connect, NiceCX, Five9, Twilio, or similar. Proficiency with WFM tools (e.g., NICE, Verint More ❯
Employment Type: Permanent
Salary: USD Hourly
Posted:

Lead Engineer, Platform, Network Services

Evansville, Indiana, United States
OneMain Financial
Contact Center as a Service) solutions. The ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a working knowledge of Avaya PBX systems. This role requires strong technical expertise, project management skills, and a collaborative mindset to deliver seamless contact center solutions. Title … load balancers. Provide ongoing support and maintenance of CCaaS solutions to ensure system reliability, performance, and scalability. Troubleshoot and resolve issues related to infrastructure and integration points. Lead the development of custom APIs and integrate third-party systems (e.g., CRM, WFM, billing, and other backend systems) with CCaaS solutions to enhance functionality and automate workflows. Work closely with management … CCaaS, CRM, and other internal systems. Support Avaya-specific features such as ACD, trunks, and dial patterns, ensuring proper integration with cloud-based contact center solutions. Requirements Proficient in API development and integrations (REST, SOAP, JSON, etc.). Expertise in CCaaS platforms such as Amazon Connect, NiceCX, Five9, Twilio, or similar. Proficiency with WFM tools (e.g., NICE, Verint More ❯
Employment Type: Permanent
Salary: USD Hourly
Posted:

Lead Engineer, Platform, Network Services

Matthews, North Carolina, United States
OneMain Financial
Contact Center as a Service) solutions. The ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a working knowledge of Avaya PBX systems. This role requires strong technical expertise, project management skills, and a collaborative mindset to deliver seamless contact center solutions. Title … load balancers. Provide ongoing support and maintenance of CCaaS solutions to ensure system reliability, performance, and scalability. Troubleshoot and resolve issues related to infrastructure and integration points. Lead the development of custom APIs and integrate third-party systems (e.g., CRM, WFM, billing, and other backend systems) with CCaaS solutions to enhance functionality and automate workflows. Work closely with management … CCaaS, CRM, and other internal systems. Support Avaya-specific features such as ACD, trunks, and dial patterns, ensuring proper integration with cloud-based contact center solutions. Requirements Proficient in API development and integrations (REST, SOAP, JSON, etc.). Expertise in CCaaS platforms such as Amazon Connect, NiceCX, Five9, Twilio, or similar. Proficiency with WFM tools (e.g., NICE, Verint More ❯
Employment Type: Permanent
Salary: USD Hourly
Posted:

Head of Engineering: Ecommerce

City of London, London, United Kingdom
Reward Gateway
Engineering team toward the creation of a global marketplace meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance the e-commerce … aligning with the trend towards personalised mobile-first shopping experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance, particularly … large teams or projects in an eCommerce environment with Gross Merchandise Value above $500M. Deep understanding of global payment and regulations related to eCommerce platforms. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯
Posted:

Head of Engineering: Ecommerce

London Area, United Kingdom
Reward Gateway
Engineering team toward the creation of a global marketplace meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance the e-commerce … aligning with the trend towards personalised mobile-first shopping experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance, particularly … large teams or projects in an eCommerce environment with Gross Merchandise Value above $500M. Deep understanding of global payment and regulations related to eCommerce platforms. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯
Posted:

Software Engineer with Security Clearance

Annapolis Junction, Maryland, United States
BlueHalo
have this: Bachelor's degree in Computer Science or a related discipline and 5 years of experience. Additional experience may be substituted for a degree. Strong Python and Django development skills Experience with SQL-based data models API development experience Familiarity with GitLab and Linux/Windows OS Active TS/SCI with Polygraph Ability to work … when evaluating our competitive benefits package. These benefits include health insurance, life insurance, disability, company holiday and paid time off, parental leave, 401(k) company match and contributions, professional development/training reimbursements, and other work/life programs. More ❯
Employment Type: Permanent
Salary: USD 200,000 Annual
Posted:

Senior Software Engineer

London, United Kingdom
Aqemia
scientists and engineers, you'll bring automation, scalability, and reliability to one of the most critical layers of our platform, where predictions turn into decisions. This role combines backend development, system design, and scientific tooling in a fast-paced and collaborative environment. What you'll do Build and scale the engine powering data management and scientific computation Design modular … drive continuous platform improvements Ensure the product is stable and operational, including supporting production environments What we're looking for 6+ years of experience in backend or scientific software development Strong Python programming skills Solid understanding of system design, API development, and scalable infrastructure Experience with ML or scientific computing pipelines is a plus Strong sense of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Engineer

Utrecht, Netherlands
EIFFEL
Je werkt aan uitdagende projecten bij grote organisaties zoals de Rabobank, waar je datawarehouse-omgevingen ontwikkelt. Je verzamelt en beheert data uit verschillende bronnen zoals databases, logbestanden en externe API's. Je ontwerpt en ontwikkelt de data-architectuur en -systemen die organisaties vooruit helpen. Je waarborgt de kwaliteit en integriteit van data door slim te valideren en monitoren. Je … je je kunt voorstellen, helpen onze Performance Managers jou een carrièrepad uit te stippelen dat zich naar jouw ambitie en levensfase vormt. Deze skills komen van pas SQL RESTful API development Kennis van programma's en portfolio's Kennis van BI-tools ETL processen Je combineert technische expertise met sterke communicatieve vaardigheden. Je schakelt makkelijk tussen verschillende niveaus More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Data Engineer

Arnhem, Gelderland, Netherlands
EIFFEL
Je werkt aan uitdagende projecten bij grote organisaties zoals de Rabobank, waar je datawarehouse-omgevingen ontwikkelt. Je verzamelt en beheert data uit verschillende bronnen zoals databases, logbestanden en externe API's. Je ontwerpt en ontwikkelt de data-architectuur en -systemen die organisaties vooruit helpen. Je waarborgt de kwaliteit en integriteit van data door slim te valideren en monitoren. Je … je je kunt voorstellen, helpen onze Performance Managers jou een carrièrepad uit te stippelen dat zich naar jouw ambitie en levensfase vormt. Deze skills komen van pas SQL RESTful API development Kennis van programma's en portfolio's Kennis van BI-tools ETL processen Je combineert technische expertise met sterke communicatieve vaardigheden. Je schakelt makkelijk tussen verschillende niveaus More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Data Engineer

Zuid-Holland, Netherlands
EIFFEL
Je werkt aan uitdagende projecten bij grote organisaties zoals de Rabobank, waar je datawarehouse-omgevingen ontwikkelt. Je verzamelt en beheert data uit verschillende bronnen zoals databases, logbestanden en externe API's. Je ontwerpt en ontwikkelt de data-architectuur en -systemen die organisaties vooruit helpen. Je waarborgt de kwaliteit en integriteit van data door slim te valideren en monitoren. Je … je je kunt voorstellen, helpen onze Performance Managers jou een carrièrepad uit te stippelen dat zich naar jouw ambitie en levensfase vormt. Deze skills komen van pas SQL RESTful API development Kennis van programma's en portfolio's Kennis van BI-tools ETL processen Je combineert technische expertise met sterke communicatieve vaardigheden. Je schakelt makkelijk tussen verschillende niveaus More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Data Engineer

Eindhoven, Noord-Brabant, Netherlands
EIFFEL
Je werkt aan uitdagende projecten bij grote organisaties zoals de Rabobank, waar je datawarehouse-omgevingen ontwikkelt. Je verzamelt en beheert data uit verschillende bronnen zoals databases, logbestanden en externe API's. Je ontwerpt en ontwikkelt de data-architectuur en -systemen die organisaties vooruit helpen. Je waarborgt de kwaliteit en integriteit van data door slim te valideren en monitoren. Je … je je kunt voorstellen, helpen onze Performance Managers jou een carrièrepad uit te stippelen dat zich naar jouw ambitie en levensfase vormt. Deze skills komen van pas SQL RESTful API development Kennis van programma's en portfolio's Kennis van BI-tools ETL processen Je combineert technische expertise met sterke communicatieve vaardigheden. Je schakelt makkelijk tussen verschillende niveaus More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Mobile Software Engineer

Salford, Manchester, United Kingdom
BBC Group and Public Services
into live sporting action, our media player provides a robust, reliable, and consistent playback experience. YOUR KEY RESPONSIBILITIES AND IMPACT As a Software Engineer your responsibilities will include feature development, ongoing product maintenance and upholding high standards of software quality.You will make a key contribution to the entire development lifecycle as part of a team that is committed … the difference you can make.Your commitment to ongoing learning and growth will be supported by cross-team groups, meet-ups, and chapters dedicated to areas like Android and iOS development, accessibility, security, software development practices, continuous delivery, and a wide range of other topics. YOUR SKILLS AND EXPERIENCE ESSENTIAL Strong proficiency in Java, Kotlin, Swift, or Objective-C. … DESIRED BUT NOT REQUIRED Experience with continuous integration tools such as GitHub Actions. Proficiency in integrating web services (REST, JSON) within a mobile environment. Experience in native mobile component API development and management. Experience with native mobile media player APIs and/or media streaming protocols (e.g., HLS, MPEG DASH). Familiarity with collaborative tools and practices such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mercor - Software Developer

Houston, Texas, United States
Hybrid / WFH Options
Mercor
We are looking for skilled Software Developers to write, review, and validate prompt-based questions designed to train AI. Your expertise in database architecture, API development, system design, and infrastructure engineering will ensure each prompt and response is technically robust and grounded in real-world software practices. We welcome professionals from diverse software engineering backgrounds backend, full stack More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Full Stack Engineer

South Yorkshire, UK
Hybrid / WFH Options
Salt
include: Developing and maintaining high-quality code using PHP, Laravel, Vue.js, and JavaScript. Ensuring scalability, performance, and accessibility in all projects. Supporting third-party integrations (e.g., Salesforce, Hubspot) and API development. Collaborating with cross-functional teams in an agile environment. Contributing to architectural decisions and promoting coding best practices. Tech Stack: PHP/Laravel, Vue.js/JavaScript, AWS Location More ❯
Posted:

Golang Developer Kafka API - Start-up

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … ll join colleagues in the London, Canary Wharf offices four days a week. About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … a competitive package: Salary to £110k Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Employment Type: Full-Time
Salary: £85,000 - £110,000 per annum
Posted:

Golang Developer Kafka API - Start-up

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … 110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Posted:

Full Stack Software Engineer

Bournemouth, Dorset, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
across the UK. The technology is used by hundreds of thousands of users every day for travel to education, work and for independence. You will help in the design, development and release of award-winning products including mobile and ecommerce features and payment integrations. You will work closely within the development team and be supported by a lead … who will be on hand as and when required. Experience and skills required: HTML CSS JavaScript OOP PHP MySQL Apache Linux Ideally MVC Symfony or another closely related framework API development If you would like to be considered for this position then please contact Tom Rayner on (phone number removed) or email (url removed) Spectrum IT Recruitment (South More ❯
Employment Type: Permanent
Salary: £45000 - £60000/annum plus remote working
Posted:

Software Engineer

Southampton, UK
Hybrid / WFH Options
Synergize Consulting
Project Overview We are seeking a highly skilled software contractor to contribute to the development of a Traffic Management System (TMS) responsible for controlling traffic flows and interfacing securely with Variable Message Sign (VMS) hardware. The ideal candidate will possess deep knowledge in systems programming, networked APIs, and hardware interface protocols, with experience in safety-critical environments preferred. Key … framework. Attend on-site sessions as required to verify VMS display output and live traffic flow interactions. Required Skills and Qualifications Proficient in: C/C# programming languages SOAP API development Knowledge of: Oblak Protocol or similar field-based/serial messaging protocols Experience working in secure, safety-critical, or infrastructure-related environments Familiarity with automated logging and … with government or public sector software quality standards and validation procedures Working knowledge of IT security assessments and remediation processes Deliverables TMS Low-Level Design (LLD) documentation Configured secure API endpoints and updated legacy systems System logging & monitoring frameworks Incremental and final TMS software builds QA-approved test plan and execution reports Interface Control Documents and deployment scripts (Ansible More ❯
Employment Type: Full-time
Posted:

Vacancy for Digital Library Software Developer at University of Edinburgh

Edinburgh, United Kingdom
Digital Preservation Coalition
Library Software Developer at University of Edinburgh 18 September 2022 Edinburgh £35,333 to £42,155 per annum Full-Time Would you like to be part of a dynamic development and systems team within the Digital Library at the University of Edinburgh? Our team develops innovative software solutions, installs, integrates, and supports third-party products, and actively participates in … data sharing and preservation, meeting funder requirements to store research datasets for the long-term. This role would suit someone interested in cultural heritage and institutional history with strong API development, integration, and problem-solving skills. You will be working closely with colleagues across Library and University Collections and the wider university community, actively engaged in improving the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Peoplesoft Consultant

Brighton, England, United Kingdom
LT Harper - Cyber Security Recruitment
the architecture design for the migration to PeopleSoft Analyse and understand complex finance workflows Review and interpret code to ensure seamless system integration Collaborate with technical teams to support API development and integration Provide insight on best practices for finance system architecture Ideal Candidate Profile: Proven experience as a Solution Architect within finance or insurance sectors Strong integration … background with ability to understand end-to-end workflows Ability to read/understand code and work closely with development teams Experience with APIs and system migrations Technical background (e.g. .NET, PeopleSoft, or similar technologies) is highly desirable Experience in large-scale enterprise environments Contract Details: Length: 6 months initially Rate: Up to £1000/day (Inside IR35) Location More ❯
Posted:

Data Engineer

Bristol, City of Bristol, United Kingdom
Search Allies ltd
Identify automation and integration opportunities to drive efficiency. Ensure data security and compliance with GDPR and industry regulations. What We’re Looking For 4+ years of experience in Python development (Flask, Django). Strong expertise in AWS cloud environments (EC2, S3, RDS, Redshift, Athena). Experience with SQL databases (PostgreSQL, SQLAlchemy). Knowledge of ETL pipelines, API development More ❯
Employment Type: Permanent
Salary: £55000 - £75000/annum + Hybrid Working & Benefits
Posted:

Head of Engineering: Wellbeing

City of London, London, United Kingdom
Reward Gateway
team toward the creation of a global wellbeing platform meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance the fitness and … aligning with the trend towards personalised mobile-first wellness experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance, particularly … managing teams or projects in a user-centric fitness and wellness area. Understanding of machine learning techniques in the context of fitness and wellness technology. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯
Posted:

Head of Engineering: Wellbeing

London Area, United Kingdom
Reward Gateway
team toward the creation of a global wellbeing platform meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Some of Your Responsibilities & Core Duties will be to: Lead initiatives to enhance the fitness and … aligning with the trend towards personalised mobile-first wellness experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance, particularly … managing teams or projects in a user-centric fitness and wellness area. Understanding of machine learning techniques in the context of fitness and wellness technology. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯
Posted:
API Development
10th Percentile
£43,875
25th Percentile
£51,250
Median
£70,000
75th Percentile
£87,500
90th Percentile
£105,625