Permanent API Development Job Vacancies

101 to 125 of 200 Permanent API Development Jobs

Yesterday BBBH60028 Site Reliability Engineer (App Dev) £40000.00 - £55000.00 per annum + Bonus ...

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
. Troubleshoot complex problems and deliver robust solutions. Candidate Profile 1-2 years' Python programming experience, ideally with automation projects. Skilled in Flask/Django with exposure to REST API development. Front-end experience with JavaScript/jQuery/HTML5/CSS is highly desirable. Familiar with Terraform or similar IaC tools. Comfortable in Linux environments; confident using VSCode More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Engineer

United Kingdom
JSS Transform
design and engineering quality Ensure all technical solutions follow architecture governance Work with stakeholders including Architecture, Information Security, Data Governance Experience Senior Engineering role within web and mobile application development React and NestJS API Development Designing and operating micro frontend architectures CI/CD, automated testing Performance optimisation – caching, code splitting, real-user monitoring Web and mobile More ❯
Posted:

Senior C# Developer - Finance

City of London, London, United Kingdom
Client Server
with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. More ❯
Employment Type: Permanent
Posted:

Senior C# Developer - Finance

London, UK
Client Server
with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. More ❯
Employment Type: Full-time
Posted:

Lead Technical Architect

United Kingdom
Hybrid / WFH Options
COMPANIES HOUSE
In this role you will work with the wider Digital and Technology Directorate, working closely with business stakeholders to develop technical designs that address business priorities and guide the development teams in creating robust, secure solutions. This is an opportunity to work with the latest cloud technologies, develop microservice architectures and shape the technical direction of the organisation. You … team to ensure designs are consistent and fit for purpose. Keeping up to date new technologies and processes and applying this knowledge to improve our services. Working closely with development teams, ensuring their output adheres to the architectural designs. Some of these roles will be inclined towards Cloud, Security, Infrastructure and Automation. Candidates will be able to demonstrate their … and podcasts. Companies House values its people, their contributions and has created a real sense of community where people seek to create strong connections. Our commitment to learning and development is exceptional, and we believe passionately in the employee experience with is prevalent through the engagement, wellbeing and development strategies which have resulted in Platinum Investors in People More ❯
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Web Developer for Django Framework with Security Clearance

Scottsdale, Arizona, United States
APR Consulting, Inc
design, build, test, deploy and support enterprise web applications to modernize the management of data and design information developed for our customers. The web applications will allow the product development team to store project data in a relational database, where the data not only provides the customer with complex re-build, upgrade, and sustainment information, but the data is … design, build, test, deploy and support enterprise web applications to modernize the management of data and design information developed for our customers. The web applications will allow the product development team to store project data in a relational database, where the data not only provides the customer with complex re-build, upgrade, and sustainment information, but the data is … factors. Exercises judgment in selecting methods, techniques and evaluation criteria for obtaining results. What sets you apart: Creative thinking with the ability to multi-task Commitment to ongoing professional development Team player who thrives in collaborative environments and revels in team success Can provide specific, detailed information for software and technology selection, implementation techniques, and tools for the most More ❯
Employment Type: Permanent
Salary: USD 72 Hourly
Posted:

Full Stack Developer - .Net & Angular

Ludlow, Shropshire, West Midlands, United Kingdom
Hybrid / WFH Options
Hireful
Are you an experienced Full Stack .Net (C#) Developer, with solid experience in API development , keen to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input? Are you keen to work in a full stack capacity, developing your skills with Angular Typescript … the future of our platform — building smart APIs, delivering seamless user experiences, and solving real-world customer challenges. This is your chance to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input. CLICK APPLY and send a CV through. More ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
Posted:

Software Developer (Kofax / Laserfiche) - Pontiac, MI

Pontiac, Michigan, United States
Digital Technology Solutions
client position in Pontiac, MI Software Developer Client is seeking a skilled (4+ years) Software Developer with hands-on experience in Kofax scanning solutions, Laserfiche DMS,.NET, and VB6 development to design, develop, and maintain secure, scalable applications within a Microsoft-based environment. The ideal candidate will leverage Visual Studio, SQL Server Management Studio (SSMS), and Azure DevOps to … Building a MINIMUM of two days a week. Environment: Microsoft SQL Server, ASP.Net, ASP.Net MVC, Visual Studio, IIS, .NET, VB6, Kofax Capture/Transformation, Laserfiche DMS, Webservices, REST services, API development, Azure DevOps, AWS, Azure, Windows Server, Microsoft 365 Services, SharePoint Online, MS Teams, Agile Methodologies DTS offers excellent compensation package. Contact: Kuldeep Singh Team Lead Digital Technology More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Back End Developer

Peterborough, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
3Sixty Resourcing Ltd
and performance across multi-tenant systems. Troubleshoot production issues in AWS cloud infrastructure. Participate in code reviews and mentor junior developers. What You'll Need 5+ years' back-end development experience, with a strong focus on Laravel. Expert-level PHP and Laravel knowledge. Proven experience with complex MySQL database design and optimisation. Shopify API and app ecosystem experience. … Familiarity with payment gateway integrations (Stripe, Recharge, etc.). AWS experience (SQS, S3, Lambda, EC2). Solid understanding of multi-tenant SaaS architecture. Experience with API development, webhooks, and third-party integrations. Knowledge of Laravel Livewire, modern PHP practices, and Git workflows. Desirable Experience Experience with subscription billing platforms, marketing automation tools, and e-commerce analytics. Familiarity with … time features. Contributions to open-source Laravel or Shopify projects. Tech Stack Backend: Laravel, PHP, MySQL Frontend: Livewire, Alpine.js, Tailwind CSS Cloud: AWS (SQS, S3, Lambda, EC2) Integrations: Shopify API, Stripe, Recharge, Klaviyo, Gorgias Tools: Laravel Horizon, Telescope, Sanctum, Cashier Queue: Redis/SQS for background jobs Benefits Monday to Friday, 9am - 5pm 25 days holiday plus bank holidays More ❯
Employment Type: Full-Time
Salary: £50,000 - £75,000 per annum
Posted:

Software Engineer 2 with Security Clearance

Annapolis Junction, Maryland, United States
Avid Technology Professionals
Required Qualifications • Experience with JavaScript (React, Angular, or similar) and Java (Spring Boot or similar) • Experience integrating and querying Elasticsearch • Proficiency in RESTful API development and microservice design • Experience working with JSON, XML, and structured metadata • Familiarity with version control systems (e.g., Git) • Strong problem-solving skills and attention to detail • Communication and collaboration abilities Fourteen (14) years More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

PostgreSQL SME (Python & FastAPI)

Sheffield, England, United Kingdom
Hybrid / WFH Options
Vallum Associates
UK (Hybrid) Duration: 6months+ 500GBP/Day Inside IR35 Summary: Skilled Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. PostgreSQL Database Administration Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations and rollouts Build … and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting, API s and containerized environments. Nice to have Exposure on enhancing observability with knowledge of tools such as Prometheus, Grafana, and OpenTelemetry. Advantageous to have enterprise tools knowledge (i.e., Control M, True sight, Guardium, Tenable Nessus, Delinea) Knowledge of Security and Software Development More ❯
Posted:

PostgreSQL SME (Python & FastAPI)

handsworth, yorkshire and the humber, united kingdom
Hybrid / WFH Options
Vallum Associates
UK (Hybrid) Duration: 6months+ 500GBP/Day Inside IR35 Summary: Skilled Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. PostgreSQL Database Administration Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations and rollouts Build … and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting, API s and containerized environments. Nice to have Exposure on enhancing observability with knowledge of tools such as Prometheus, Grafana, and OpenTelemetry. Advantageous to have enterprise tools knowledge (i.e., Control M, True sight, Guardium, Tenable Nessus, Delinea) Knowledge of Security and Software Development More ❯
Posted:

Mulesoft Developer

London, United Kingdom
Hybrid / WFH Options
Reed Technology
Salary: £60,000 - £69,000 pa inclusive About the Role My client's Data and Technology Services division is seeking a talented Integration Specialist (Developer) to lead the design, development, and deployment of data and application integration processes. You'll be part of the Data and Development team, working closely with the Solutions and Partnering Group to deliver … like Oracle PL/SQL, Microsoft SSIS, and emerging platforms such as Salesforce and Mulesoft. Collaborate with Data Analysts, Architects, and system owners to improve data quality and support API/Middleware-based data management. Ensure secure data access and processing in line with cybersecurity policies. Define solution design and implementation patterns with technical leads and architects. Research and … advise on new technologies and standards relevant to DTS. Essential Skills & Experience Full lifecycle development experience on the Mulesoft Anypoint Platform (Design Centre, Exchange, Studio, API Manager, Runtime Manager). Strong SQL skills with the ability to write and interpret complex queries. Experience in developing flows in Anypoint Studio for batch and asynchronous processing. Proficiency in RESTful API More ❯
Employment Type: Permanent
Salary: £60000 - £69000/annum Plus Benefits
Posted:

Mulesoft Developer

Central London, London, United Kingdom
Hybrid / WFH Options
Reed Technology
Salary: £60,000 - £69,000 pa inclusive About the Role My client's Data and Technology Services division is seeking a talented Integration Specialist (Developer) to lead the design, development, and deployment of data and application integration processes. You'll be part of the Data and Development team, working closely with the Solutions and Partnering Group to deliver … like Oracle PL/SQL, Microsoft SSIS, and emerging platforms such as Salesforce and Mulesoft. Collaborate with Data Analysts, Architects, and system owners to improve data quality and support API/Middleware-based data management. Ensure secure data access and processing in line with cybersecurity policies. Define solution design and implementation patterns with technical leads and architects. Research and … advise on new technologies and standards relevant to DTS. Essential Skills & Experience Full lifecycle development experience on the Mulesoft Anypoint Platform (Design Centre, Exchange, Studio, API Manager, Runtime Manager). Strong SQL skills with the ability to write and interpret complex queries. Experience in developing flows in Anypoint Studio for batch and asynchronous processing. Proficiency in RESTful API More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Senior Email Marketing Developer

missouri, united states
Automotive Product Consultants, LLC
to analyze performance and suggest adjustments with data selection and creative deployment * Take requirements from non-technical stakeholders, plan workflows, and execute email marketing campaigns * Operate in an Agile development environment utilizing Jira and other Atlassian products for project management * · Collaborate with marketing and non-technical stakeholders to gather requirements, plan workflows, and execute campaigns * Develop responsive HTML email … templates and dynamic content using Salesforce Marketing Cloud Engagement (SFMC) * Manage A/B testing and campaign performance tracking * Operate in an Agile development environment utilizing Jira and other Atlassian tools * Support continuous improvement through innovation in tools, processes, and execution Essential Job Duties: (Senior Level) * Lead design and architecture of scalable email solutions across multiple business units * Mentor … with DNS, git, or PowerShell are pluses * Expert in Salesforce Marketing Cloud, including cross-channel automation, advanced scripting, and custom integrations * Strong background in JavaScript, server-side scripting, and API development * Advanced SQL and data architecture design * Proven experience managing DNS configurations for email deliverability * Skilled in version control workflows and CI/CD pipelines * Demonstrated leadership, mentoring More ❯
Posted:

Application Specialist

United Kingdom
CBSbutler
Axway API Developer + 6 month initial contract + Full remote + £650 to £690 per day + SC Cleared role Key Skills: + Axway API Development/Administration + SC Clearance Responsibilities Designing, developing and deploying of Axway policies and containers using Axway Policy Studio v7.7 Working with DevOps toolset for develop and maintain Automated Testing … and Code Deployment Provide Assistance to Axway support team to resolve technical issues Administrating the Axway Environment, using Axway Policy Studio, Axway API Manager, Cassandra and API Gateway for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: SFTP HTTPS SSL/TLS oAuth JSON More ❯
Posted:

Django Developer with Security Clearance

Scottsdale, Arizona, United States
John Galt Staffing
design, build, test, deploy and support enterprise web applications to modernize the management of data and design information developed for our customers. The web applications will allow the product development team to store project data in a relational database, where the data not only provides the customer with complex re-build, upgrade, and sustainment information, but the data is … factors. Exercises judgment in selecting methods, techniques and evaluation criteria for obtaining results. What sets you apart: Creative thinking with the ability to multi-task Commitment to ongoing professional development Team player who thrives in collaborative environments and revels in team success Can provide specific, detailed information for software and technology selection, implementation techniques, and tools for the most … and tools for the most efficient solutions to web application problems. Team player Python proficiency Database administration and best practices HTML 5 and CSS Problem solving and debugging Restful API Development More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Web Developer for Django Framework with Security Clearance

Scottsdale, Arizona, United States
Catapult Staffing
design, build, test, deploy and support enterprise web applications to modernize the management of data and design information developed for our customers. The web applications will allow the product development team to store project data in a relational database, where the data not only provides the customer with complex re-build, upgrade, and sustainment information, but the data is … factors. Exercises judgment in selecting methods, techniques and evaluation criteria for obtaining results. What sets you apart: Creative thinking with the ability to multi-task Commitment to ongoing professional development Team player who thrives in collaborative environments and revels in team success Can provide specific, detailed information for software and technology selection, implementation techniques, and tools for the most … and tools for the most efficient solutions to web application problems. Team player Python proficiency Database administration and best practices HTML 5 and CSS Problem solving and debugging Restful API Development More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full-Stack Developer (.NET / Golang)

St. Albans, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Avanti
high-performance systems at scale. The Role: We’re seeking a talented Full-Stack Developer with strong experience in Golang and .NET to play a central role in our development team. You’ll be building real-time APIs, WebSocket systems, and large-scale distributed applications, as well as contributing to frontend projects using React and Next.js. The role also … and developing your expertise in Golang within a collaborative environment. Key Skills: Essential Strong experience with Golang Solid background in .NET/C# WebSockets and real-time data processing API development and strong problem-solving ability Remote working experience with excellent communication skills Desirable Node.js React/Next.js AWS and Kubernetes PostgreSQL, Redis (caching) Candidate Profile Mid-level More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Atlassian Developer with Security Clearance

Arlington, Virginia, United States
ALTA IT Services
enable team success. Key Responsibilities Configure and administer user directories with LDAP for authentication and authorization within JIRA and Confluence. Design, code, and maintain custom workflows using ScriptRunner, REST API integrations, and native Atlassian features. Develop and integrate solutions using Java, JavaScript, HTML, and Python. Administer, support, and extend JIRA and Confluence, including advanced workflow design (2+ years experience … custom workflow functions. Strong proficiency (3+ years) in Java, JavaScript, and HTML; proficiency in Python. Experience integrating Atlassian products with LDAP for user management. Hands-on experience with REST API development and integrations. Experience with CI/CD processes and pipelines, specifically with GitLab. Ability to leverage technical skills in administration, coding, and workflow design within JIRA and More ❯
Employment Type: Permanent
Salary: USD 230,000 Annual
Posted:

Atlassian Developer

Arlington, Virginia, United States
ALTA IT Services
enable team success. Key Responsibilities Configure and administer user directories with LDAP for authentication and authorization within JIRA and Confluence. Design, code, and maintain custom workflows using ScriptRunner, REST API integrations, and native Atlassian features. Develop and integrate solutions using Java, JavaScript, HTML, and Python. Administer, support, and extend JIRA and Confluence, including advanced workflow design (2+ years experience … custom workflow functions. Strong proficiency (3+ years) in Java, JavaScript, and HTML; proficiency in Python. Experience integrating Atlassian products with LDAP for user management. Hands-on experience with REST API development and integrations. Experience with CI/CD processes and pipelines, specifically with GitLab. Ability to leverage technical skills in administration, coding, and workflow design within JIRA and More ❯
Employment Type: Permanent
Salary: USD 180,000 Annual
Posted:

Software Engineer (Java) - Senior Level with Security Clearance

Mc Lean, Virginia, United States
Hybrid / WFH Options
ECCO Select
back-end data orchestration and intelligence products to meet customer needs. Essential Skills, Experience: Designing and developing Java backend services utilizing Spring Boot, Micronaut, and related ecosystems. Leading RESTful API development, service layers, and system integrations. Experience with cloud deployments on AWS, Azure, or GCP, including S3, EC2, and managed databases. Proficiency in SQL and NoSQL databases such More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Web Developer Django Framework with Security Clearance

Scottsdale, Arizona, United States
Catapult Staffing
Proactively identifies and implements efficient solutions to application issues. Additional Skills: Proficient in Python Web and database administration best practices Strong understanding of HTML5 and CSS Skilled in RESTful API development Effective problem-solving and debugging abilities More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Engineer C# .Net - Asset Manager

City of London, London, England, United Kingdom
Client Server Ltd
be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At More ❯
Employment Type: Full-Time
Salary: £100,000 - £150,000 per annum
Posted:

Java Angular Full Stack Developer

Tampa, Florida, United States
LTI Mindtree
and delivering transformation at scale. For more information, please visit . Job Title: Senior Specialist - Architecture (Java FSD with Angular) Work Location-Tampa FL Job Description: Lead the design development and deployment of full stack applications using Java and modern JavaScript frameworks. Architect scalable backend systems using Spring Boot REST APIs and microservices. Develop responsive and dynamic user interfaces … enforce best practices and mentor junior developers. Optimize application performance and scalability. Stay updated with emerging technologies and propose innovative solutions. Strong expertise in Java Spring Boot and RESTful API development. Proficiency in frontend frameworks like React Angular or Vuejs. Solid understanding of JavaScript TypeScript HTML5 and CSS3. Experience with SQL and NoSQL databases eg MySQL PostgreSQL MongoDB. Familiarity More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
API Development
10th Percentile
£45,000
25th Percentile
£52,188
Median
£70,000
75th Percentile
£87,500
90th Percentile
£100,000