Make yourself visible and let companies apply to you.
Roles
Elasticsearch Jobs
Overview
Looking for top Elasticsearch jobs? Explore the latest Elasticsearch developer, engineer, and specialist roles on Haystack. Whether you're an experienced search expert or a skilled data professional, find your perfect Elasticsearch job and advance your IT career today!
Analytics Platform Engineer (Python, Kubernetes) - Secure Gov - Cheltenham
Curo Services
Cheltenham
Hybrid
Senior - Leader
Private salary
RECENTLY POSTED
+3

Analytics Platform Engineer (Python, Kubernetes) - Secure Gov - Cheltenham - (RL8096)

Job Title - Analytics Platform Engineer (Principle & Senior)
Location - Cheltenham
Salary - Competitive
Benefits - Bonus and commission scheme, comprehensive benefits package including private medical and pension, flexible hybrid working, clear progression with funded training, and enhanced long-term incentives including additional leave and retention bonuses.

Work on analytics platforms that support highly sensitive, mission-critical programmes within a secure environment. This is an opportunity to build and scale modern data platforms while contributing to projects of national significance, alongside some of the strongest engineers in the sector.

The Client - We’re partnering with a leading organisation in the secure government sector to support the growth of a key programme delivering advanced data and analytics capabilities. This is a critical hire within an expanding team, focused on building and scaling platforms that underpin mission-critical solutions.

Operating at the forefront of data, cloud, and AI-driven innovation, they offer an environment where engineers can work on complex, high-impact challenges with real-world significance.

The Candidate - This would suit a candidate with a strong background in data or analytics platform engineering, who is comfortable working across both software development and infrastructure. You’ll enjoy solving complex technical challenges, working in dynamic environments, and collaborating closely with Data Scientists and MLOps teams. A pragmatic, adaptable mindset is key, along with a passion for building scalable, secure systems that enable data-driven outcomes. You should also be comfortable working in secure, highly regulated environments.

The Role - We are seeking Senior and Principal Analytics Platform Engineers to join a growing team delivering high-impact solutions within a secure environment. You will play a key role in designing, building, and evolving a modern analytics platform, supporting the full life cycle from development through to deployment and ongoing optimisation. This is a hands-on role offering exposure to a broad and evolving technology landscape. Due to the nature of the work, you will be operating within a highly secure environment with specific access requirements.

Key Duties:

  • Design, build and evolve scalable analytics and data platforms
  • Contribute across the full software development life cycle
  • Support cloud migration and data management initiatives
  • Develop, test and deploy new platform capabilities
  • Troubleshoot and enhance existing analytics services
  • Provide hands-on support to Data Scientists and MLOps teams
  • Tackle complex engineering challenges across a varied tech stack

Requirements:

  • Strong experience with Python
  • Experience with Kubernetes and Docker
  • Understanding of CI/CD pipelines (eg GitLab)
  • Exposure to data platforms, MLOps or machine learning environments

Desirable:

  • Spark or Scala
  • AWS services (eg S3)
  • Elasticsearch or graph databases
  • Vector databases/modern data tooling
  • OIDC/OAuth
  • Node.js or React

To apply for this Analytics Platform Engineer permanent job, please click the button below and submit your latest CV.
Curo Services endeavours to respond to all applications, however this may not always be possible during periods of high volume. Thank you for your patience.
Curo Services is a trading name of Curo Resourcing Ltd and acts as an Employment Business for contract and temporary recruitment as well as an Employment Agency in relation to permanent vacancies.

Lead Full Stack Engineer
Develop
London
Hybrid
Senior
£100,000
RECENTLY POSTED

Lead Full Stack Engineer | Hybrid - 2 days onsite, London | £100,000 - £120,000 DOE

We’re partnering with a high-growth B2B PropTech SaaS business that’s transforming how property professionals access and leverage land data across the UK.

In just a few years, the company has built one of the most advanced property data platforms in the market, integrating thousands of data sources and processing terabytes of information with sub-24-hour latency. With strong product-market fit, continued revenue growth, and ambitious scaling plans, they’re now hiring a Lead Full Stack Engineer to help shape the next phase of the platform.

This is a hands-on leadership role within an engineering-led, collaborative environment, ideal for someone who enjoys balancing architectural ownership with meaningful day-to-day coding.

The Role

As Lead Full Stack Engineer, you’ll combine deep technical expertise with strong leadership and architectural oversight. You’ll drive technical excellence across the organisation, mentor engineers, and influence the long-term direction of the platform.

This is not a purely managerial role, you’ll contribute to the codebase daily while also shaping standards, systems, and engineering culture.

What You’ll Be Doing

Technical Leadership & Architecture

  • Provide architectural oversight across frontend, backend, and data infrastructure
  • Set engineering standards and champion best practices in scalability, reliability, and maintainability
  • Lead complex system design discussions, balancing speed, scope, and long-term scale
  • Shape the technical roadmap alongside product and data leaders

Hands-On Engineering

  • Develop high-quality front-end features using React (Vite) + Tailwind
  • Design and ship scalable, type-safe APIs using Node.js, Express, and tRPC
  • Optimise and maintain PostgreSQL databases and query performance
  • Collaborate with the data team to evolve Elasticsearch-driven architecture
  • Own delivery of complex features from discovery through deployment and monitoring

Team Leadership & Cross-Functional Impact

  • Mentor senior and mid-level engineers through pairing, reviews, and coaching
  • Foster a high-performance engineering culture built on ownership and continuous improvement
  • Work closely with product, design, and data stakeholders to ensure technical input shapes roadmap decisions
  • Translate complex technical challenges into clear, actionable insights for non-technical teams

What We’re Looking For

  • 7+ years’ experience in software engineering
  • 2-3+ years operating in a Lead, Staff, or Senior+ capacity
  • Proven experience building and scaling SaaS platforms
  • Experience leading architectural decisions and system design initiatives
  • Strong full-stack capability in modern JavaScript/TypeScript environments

Tech Stack

  • Frontend: React (Vite), Tailwind
  • Backend: Node.js, Express, tRPC
  • Databases: PostgreSQL, Elasticsearch

Strong adjacent experience is also welcomed.

Nice to Have

  • Experience in PropTech or data-heavy platforms
  • Familiarity with UK property, planning, or geospatial datasets
  • Experience helping scale engineering teams in high-growth environments

Why Apply?

  • Hybrid working (2 days onsite in Central London)
  • Competitive salary + EMI scheme
  • 25 days holiday + bank holidays + birthday off + Christmas shutdown
  • Health cash plan (including dental)
  • £500 annual personal development budget
  • MacBook + home office contribution
  • Collaborative, ambitious team culture with regular socials and company trips

Interview Process

  • Initial video-based screening
  • Technical task (React + Tailwind + tRPC + PostgreSQL)
  • Technical walkthrough & system design interview
  • Final interview with senior leadership

If you’re an experienced engineer who thrives on combining technical depth with leadership impact, and you want to help scale a genuinely high-impact data platform, we’d love to share more.

.NET Developer - Oxford
Noir
Oxford
Remote or hybrid
Mid - Senior
£45,000 - £70,000
RECENTLY POSTED
+2

.NET Developer - Global Fitness Movement - Oxford, Oxfordshire

(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer)

Born in 2012 in California, our client began development on an app and website that made finding and booking classes effortless for fitness goers across the state. The company is now changing how people live their lives, bringing together a community of enthusiasts, helping people find the activities that make their true selves come alive or supporting small businesses and studios across the entire globe. They believe that being active is the key to living a happy and healthy life. Our client is now active in over 15 countries and continues rapid growth on a yearly basis.

It takes a team to make things happen and this team includes some of the most talented .NET Developer in the industry. They do not just have the best developers - but also the best karaoke stars, community activists and amateur chefs. Together, they are making the world an active place, which makes every day pretty damn gratifying.

They are looking for .NET Developer with excellent knowledge of object orientated development principles and technologies such as: .NET, .NET Core, C# and Azure SQL. You will receive expert training on the latest technologies including: .NET 10.0, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Node.js, Elasticsearch and Azure Cosmos DB.

All positions come with the following benefits:

  • Annual bonus.
  • Free medical, dental and vision coverage.
  • Flexible work hours.
  • £5,000 training allowance.
  • Healthy (and unhealthy) snacks.
  • Charitable giving programs.
  • Casual dress - fitness wear encouraged!
  • Team classes, events and happy hours.

There is no ‘I’ in team. By working with talented individuals and developing upon innovative ideas, the team continues to succeed and grow. They are a global movement with big plans for the future. It is an incredible opportunity so if you are interested, act and apply today!

Location: Oxford, Oxfordshire, UK / Remote Working

Salary: £45,000 - £70,000 + Bonus + Pension + Benefits

Applicants must be based in the UK and have the right to work in the UK even though remote working is available.

Noir continues to be the leading Microsoft recruitment agency; we can help you make the right career decisions!

NOIRUKNETRECNOIRUKREC

NC/RC/OXOET

Lead Platform Engineer
Resident-Advisor
London
Hybrid
Senior
£85,000
RECENTLY POSTED
+10

Founded in 2001, Resident Advisor (RA) is one of the world’s longest-running music media brands and a cornerstone of the dance, electronic and DJ ecosystem. The site’s audience of over 7 million monthly users is drawn in by a combination of news, editorial, club listings and ticketing, RA-branded events at venues and festivals worldwide, original films and a weekly mix series that has run for 20 years.

Purpose of the role:

We’re looking for a Lead Platform Engineer passionate about electronic music to join our Core Platform team. You’ll lead a small, focused team helping scale our high-traffic infrastructure that handles massive spikes during on-sale events. Our tech stack includes Node.js/.NET microservices, PostgreSQL/MSSQL databases, ElasticSearch, Redis, and Kafka running on AWS EKS (Kubernetes), managed via Terraform with CI/CD pipelines and DataDog monitoring.

Your responsibilities include improving infrastructure performance and reliability, driving modernization and cost optimization, developing shared components (i.e. auth systems, GraphQL gateways), enhancing developer experience, maintaining E2E testing systems, and creating internal tooling. This is an opportunity to solve challenging scale problems while shaping the technical foundation that powers RA’s products for the electronic music community.

Key responsibilities

  • Managing and improving AWS infrastructure using infrastructure-as-code practices
  • Database maintenance and query optimization
  • Cloud cost optimization and resource efficiency
  • Researching, planning, and leading the evolution of backend infrastructure, transitioning from reactive maintenance to a proactive, future-proof platform roadmap
  • Providing functional and technical training to the broader development team, fostering a culture of shared knowledge and operational excellence
  • Writing application code to support infrastructure tooling and shared platform services
  • Leading, mentoring, and supporting a team of two site reliability engineers and one QA Engineer including regular 1:1s, goal setting, and performance feedback
  • Owning team capacity planning and workload prioritization, ensuring the right work gets done in the right order
  • Collaborating with the QA Engineer to define and uphold quality standards, integrating QA practices into the wider development team’s process
  • Acting as a technical escalation point for your team and a key voice in broader platform and architecture decisions

Required Skills:

  • Experience working with AWS
  • Experience with Kubernetes and containerized application deployment
  • Experience with infrastructure-as-code technologies (Terraform preferred)
  • Experience deploying and maintaining SQL-based databases (PostgreSQL or MS SQL Server)
  • Experience writing production-level application code
  • Experience building and maintaining CI/CD pipelines
  • Experience with git and version control workflows
  • Strong documentation writing skills and commitment to knowledge sharing
  • Proven experience leading or mentoring engineers in a formal or informal capacity
  • Strong interpersonal skills with openness to giving and receiving feedback
  • Fluent English communication skills (written and verbal)
  • Experience with DataDog or similar for monitoring and alerting

Desired Skills:

  • Experience with both PostgreSQL and MS SQL Server
  • Advanced SQL query optimization skills
  • Experience deploying and maintaining Kafka for event-driven architectures
  • Experience deploying and maintaining ETL pipelines
  • Deep understanding of Site Reliability Engineering principles and best practices
  • Experience with backend languages such as C# and Node.js
  • Experience with scripting languages (such as Bash, Python, PowerShell)
  • Experience managing high-traffic systems with significant load variations
  • Familiarity with QA methodologies and E2E testing frameworks, and an appreciation for how reliability and quality practices intersect

What we offer you:

  • Generous annual leave policies aimed at promoting work-life balance.
  • Flexibility in working arrangements, offering hybrid or remote work options based on role requirements and location.
  • Matching pension schemes and/or 401k.
  • Comprehensive staff wellbeing initiatives, featuring regular activities and workplace programmes to support mental and physical health. This includes discounted Classpass memberships, and custom-fitted earplugs.
  • Company-led social events, team lunches, and discounts on RA merch.
  • Paid annual volunteering allowance, encouraging contributions to community projects and charities you care about.
  • Regular company-wide Q&As with senior leadership, along with ongoing virtual educational training sessions for all staff.
  • A transparent internal company culture committed to diversity, equity, and inclusion (see:https://ra.co/about/diversity).
  • Active involvement in community projects within the electronic music community (see: https://ra.co/about/community).

More about RA:

As an independent company run by devoted dance music enthusiasts, our mission is to bring together the world’s electronic music communities. Our Global Contributor Network (GCN) and international teams help us establish connections with hyper-niche local scenes.

We became B-Corp certified in 2024, which counts us among businesses leading a global movement for an inclusive, equitable, and regenerative economy and part of a community that meets high social and environmental impact standards.

We especially welcome applicants from diverse backgrounds, abilities, ethnicities, experiences, gender identities, and sexual orientations. We aim for our team to reflect the communities we engage with. We ensure everyone is valued and respected by actively promoting equality, diversity, and inclusion in our workplace.

Our values:

  • Electronic music is art.
  • We celebrate the progressive values that underpin electronic music.
  • We advocate for a more inclusive and equitable electronic music community.
  • We honour the past, present and future of electronic music.
  • We use innovation to empower the community.
  • We choose honesty over gain and purpose over profit.
  • We’re always front left

This role is a full-time position, based in London. Please note: This position requires applicants to be based in London and to work from the office three days per week. The annual salary range for this role is £75,000 £85,000.This listing will be open for a maximum of two weeks from the 6th March.

Technical Group Engineering Manager
Ocho
Belfast
Hybrid
Senior - Leader
£100,000
RECENTLY POSTED
+4

Technical Group Engineering Manager - Cloud Security Platform

Hybrid Role- 3 days in Belfast office required - Distributed Systems - Northern Ireland

We’re proud to be working exclusively with a high-growth cloud security company that established its Northern Ireland engineering hub less than two years ago. Since launching locally, the team has grown rapidly and is now entering a major scale-up phase following significant investment earlier this year.

As part of ambitious growth plans through 2026 and beyond, we’re hiring a Group Engineering Manager to lead multiple backend and infrastructure engineering teams working on the core cloud security platform.

This is a rare opportunity to take on a senior technical leadership role in a fast-scaling global engineering organisation, while helping shape the future of a strategically important Belfast engineering hub.

The Opportunity

In this role, you’ll lead teams solving technically complex, real-world problems every day building innovative new capabilities while continuously improving and scaling existing systems.

You’ll work closely with engineering leadership, product teams, and platform specialists to deliver high-scale distributed systems operating across AWS, GCP, and Azure.

The organisation operates in a modern, cloud-native environment and encourages strong engineering ownership. Teams are responsible for systems end-to-end from architecture and development through to deployment, observability, and ongoing optimisation in production.

The platform integrates deeply with the major cloud providers and leverages technologies such as:

Golang
Java
Kubernetes
Docker
eBPF
Large-scale distributed systems

This is not a traditional management role it’s a hands-on technical leadership position, where you’ll guide engineering teams solving meaningful problems that directly impact global customers.

The Role

As Group Engineering Manager, you will:

Lead and grow multiple backend and infrastructure engineering teams

Help define and deliver the technical roadmap for key platform services

Support engineers and engineering managers through mentoring, coaching, and career development

Drive architectural decisions across distributed systems and cloud infrastructure

Ensure high engineering standards around reliability, performance, and scalability

Partner closely with product and platform teams to deliver high-impact features

Support incident response, operational excellence, and service reliability

Help scale the engineering organisation while maintaining a strong technical culture

You will play a key role in building systems that operate in highly dynamic, large-scale production environments.

About the Company

This is a modern cloud security company focused on protecting customer infrastructure through deep runtime visibility and contextual system insights.

Unlike traditional security tooling, the platform uses runtime data and low-level system instrumentation to identify real threats, prioritise risks, and automate responses across complex cloud environments.

Despite being relatively new locally, the business is already:

Well-funded
Commercially proven
Scaling globally
Backed by significant investment

This is a rare opportunity to join early in the growth journey, while benefiting from strong financial backing and clear product-market fit.

Technology Environment

You’ll be working with a genuinely modern stack including:

Cloud: AWS, GCP, Azure
Languages: Golang, Java, Python
Platform: Kubernetes, Docker, eBPF
Data & Messaging: Neo4j, Elasticsearch, Redis, TimescaleDB, RabbitMQ
Architecture: Microservices, distributed systems

What We’re Looking For

Proven experience leading engineering teams or engineering managers

Strong background in backend engineering, distributed systems, or cloud infrastructure

Experience building or scaling systems in cloud-native environments

Strong programming background (Golang, Java, Python, or similar)

Experience working with cloud platforms such as AWS, GCP, or Azure

Experience operating large-scale production systems

Strong technical leadership and mentoring ability

Ability to balance strategic thinking with hands-on technical guidance

Nice to have:

Experience working on cloud security platforms

Strong Linux systems knowledge

Experience with observability, reliability engineering, or performance optimisation

Experience scaling engineering teams during rapid growth

What It’s Like to Work Here

This is a high-trust, collaborative engineering culture. The Site Lead describes the team “like a band - everyone plays their part.”

You’ll work alongside some of the strongest engineers in the local market in an environment where:

Engineering leaders remain technically engaged
Teams own problems, not just tasks
Technical excellence is valued
Engineers are trusted to make decisions
There is ambition - but also balance

Salary & Package

Base salary up to £150k
Equity
Private healthcare
Flexible / hybrid working

High-autonomy engineering culture

This is an opportunity to make a real leadership impact during a period of major growth, while helping build one of the most technically ambitious engineering teams in the region.

Interested?

Apply via the link or contact Phil Gamble directly for an informal, confidential chat via LinkedIn or WhatsApp.

Phil has over 21 years’ experience delivering senior and specialist tech hires across the UK, Ireland, and the US, and is happy to advise on whether this role - or the wider market - is right for you.

Skills:
java EBPF

Research Software Engineer
EMBL-EBI
Saffron Walden
Hybrid
Mid - Senior
£75,000/day
RECENTLY POSTED
+5

Spatial Transcriptomics is a rapidly emerging field that combines the “what” of genomics with the “where” of imaging. To support this, the Functional Genomics team is partnering with the BioImage Archive to create a unified resource for this data.

You will join a unique, interdisciplinary project bridging these two world-leading teams. We are looking for a talented developer to build the “Spatial Transcriptomics Portal,” a greenfield resource that will support scientists worldwide to submit, find, explore, and reuse this complex multi-modal data.

Your role

The role will work across the full technical stack to architect and build a new platform from the ground up. You will act as the technical bridge between the genomic and imaging domains, designing systems that allow these distinct data types to be harmonised, validated, and visualised together.

Specific Responsibilities:

  • Portal Development:Design and implement the new Spatial Transcriptomics portal, including backend API services, frontend user interfaces, and supporting infrastructure.
  • Search & Discovery: Develop a shared and powerful search interface that allows researchers to discover datasets based on the rich biological metadata facets that accompany these experiments.
  • Data Flow & Validation: Design automated pipelines to validate incoming data against agreed standards (FAIR principles) and route submissions to the correct archival resources.
  • Data Conversion: Support the development of conversion pipelines to transform raw data files into cloud-native formats (e.g., OME-Zarr) optimized for visualization in the portal.
  • Visualisation Integration: Embed and integrate advanced spatial visualisation tools into the portal, ensuring users can seamlessly interact with high-resolution images and gene expression overlays.
  • System Integration: Act as the technical liaison between the BioImage Archive and Functional Genomics, as well as with central EMBL-EBI storage and search infrastructure teams, ensuring that the new portal integrates seamlessly with our existing high-performance systems.

You have

You should have a university degree in computer science, life sciences, or a related discipline and experience in a software development capacity.

Specific Experience:

  • Substantial experience developing full-stack web applications.
  • Solid experience with Java or Python for backend development.
  • Extensive hands-on experience with JavaScript and modern frontend frameworks (e.g., React).
  • Experience with Containerisation (Docker) and deploying applications to Kubernetes environments.
  • Experience configuring CI/CD pipelines (e.g., GitLab CI, Jenkins) for automated testing and deployment.
  • Experience working with databases (Relational or NoSQL) and designing data models.

Personal Attributes:

  • A strong affinity with the goal of EMBL-EBI to provide open data to the global scientific community.
  • Excellent communication skills, with the ability to bridge the gap between technical and scientific requirements.
  • A self-starter attitude, comfortable working on a greenfield project with evolving requirements.

You may also have

  • Experience designing data systems that operate at scale.
  • Experience working with biological data, particularly BioImaging or Genomics formats.
  • Experience with search infrastructure (e.g., Solr, Elasticsearch).
  • Familiarity with data standards or validation frameworks (e.g., JSON Schema, RO-Crate).

Apply now! Benefits and Contract Information

  • Financial incentives: depending on circumstances, monthly family/marriage allowance of £278 monthly child allowance of £336 per child. Non resident allowance up to £569per month. Annual salary review, pension scheme, death benefit, long-term care, accident-at-work and unemployment insurances

  • Hybrid working arrangements

  • Private medical insurance for you and your immediate family (including all prescriptions and generous dental & optical cover)

  • Generous time off: 30 days annual leave per year, in addition to eight bank holidays

  • Relocation package including installation grant (as applicable)

  • Campus life: Free shuttle bus to and from work, on-site library, subsidised on-site gym and cafeteria, casual dress code, extensive sports and social club activities (on campus and remotely)

  • Family benefits: On-site nursery, child sick leave, generous parental leave, holiday clubs on campus and monthly family and child allowances

  • Contract duration: This position is a 1 year project based contract

  • Salary: Monthly salary startingfrom £3,303 or 3,695 after taxbut excl. pension & insurances) + benefits (Total package will be dependent on family circumstances)

  • International applicants: We recruit internationally and successful candidates are offered visa exemptions. Read more on our page for international applicants.

  • Diversity and inclusion: At EMBL-EBI, we strongly believe that inclusive and diverse teams benefit from higher levels of innovation and creative thought. We encourage applications from women, LGBTQ+ and individuals from all nationalities.

  • Job location: This role is based in Hinxton, near Cambridge, UK. You will be required to relocate if you are based overseas and you will receive a generous relocation package to support you.

To apply, please submit a covering letter and CV via our online system. Applications will close on 18/03/2026.

Software Engineer
Gold Group
London
In office
Mid - Senior
Private salary
RECENTLY POSTED
+12

Job Title: Software Engineer

Location: London

Salary: TBC - We are booking interviews in next week! Please call or email for a slot

As a Software Engineer you’ll play a pivotal role in developing cutting edge DevSecOps software systems and applications. You’ll be at the forefront of driving innovation and safeguarding digital infrastructures in the UK.

The Role:

So, what will you be doing as a Software Engineer?

Typically, you will be involved in one or more of the following:

  • Planning, conducting and coordinating software development activities.
  • Working with customers and key stakeholders to identify requirements and ready to advise on and influence the adoption of suitable architectures and solutions.
  • Design and development of tests to debug software.
  • Working with customer requirements that are to be programmed into business/mission applications, whilst utilising the appropriates standards, processes and tools throughout the entire development lifecycle.
  • Mentoring of junior engineers.
  • Analysis of system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls.
  • Championing automation in the form of IaC, CI/CD and test automation.

Extra info:

  • Expert knowledge of current Java.
  • Proficient in another language such as Python, C++, JavaScript, TypeScript, React.
  • Advanced knowledge of AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda.
  • Advanced knowledge of CI/CD software pipelines for Cloud deployments.
  • Expert knowledge of developing software for cloud deployment - specifically AWS.
  • Expert in developing software for microservice and or serverless architectures.
  • Advanced understanding the development challenges moving on-prem workload to cloud.
  • Experience of developing on Linux.
  • Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter).
  • Expert with Git version control.
  • Proficient in Agile Development using SCRUM.
  • Advanced knowledge of Oracle/ Relational Databases and/or Mongo.
  • Experience of GitLab CI/CD Pipelines.
  • Experience of Apache NiFi.
  • Experience in the use of Atlassian Suite - Bitbucket, Jira, Confluence.
  • Experience of Elasticsearch and Kibana.
  • Advanced knowledge of Hibernate.

We would love to hear from you if you have any of the following Qualifications or Certifications:

  • Oracle Java Certification.
  • AWS Certification.
  • ISTQB Certification.
  • OSCP Certification.
  • CCNA Certification.

My client is keen to get this position filled ASAP, so if you feel you have the skills and desire to provide passion and drive as the next Software Engineer, this is the opportunity for you!

You will be required to undergo DV clearance for this role.

So, if you are interested in joining a well-established, renowned, globally recognised organisation working with experts in their field as the next Software Engineer, hit that apply button now!

Services advertised by Gold Group are those of an Agency and/or an Employment Business.
We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website.

Senior Full Stack Web Developer
EMBL-EBI
Saffron Walden
Hybrid
Senior
£75,000/day
RECENTLY POSTED
+10

Your role

This is an exciting opportunity to make a significant contribution to several world leading projects including:

  • Functional Annotation of Animal Genomes project
  • European Reference Genome Atlas
  • TREC
  • AEGIS

You will be responsible for support and development of software to handle data curation, coordination, validation, distribution and visualisation of agriculture, aquaculture and biodiversity data. You will work with large scientific communities to define and implement metadata standards, develop software to validate and improve data descriptions and develop, build new project specific portals, and extend, existing web data portalsto meet the specific needs of each consortium.

The data portals will include Application Programming Interfaces (APIs) and bespoke data visualisation and presentation solutions. You will also support efforts for the development of standardised containerised workflows and cloud platform integration.

As part of this team, you will have many opportunities to engage with data generators, project users, and collaborators, to which you will provide guidance and support on utilisation of the team’s software and support users to provide rich metadata descriptions.

You will work with a range of data archives at EMBL-EBI, including the ENA and BioSamples, to support each project and community in sharing and gaining access to well described, high quality sample and genomic data.

You have

  • A BSc or MSc in computer science or related fields
  • Expertise in Python, including popular Python libraries: NumPy, Pandas, PySpark and frameworks: Django, Django Rest Framework, FastAPI
  • Hands-on experience with both relational (e.g. PostgreSQL) and non-relational databases (e.g. Elasticsearch, Redis)
  • Extensive experience in data warehousing architecture, big data processing and ETL
  • Demonstrable expertise in Unix/Linux environments
  • Experience with GIT and working in collaborative software environments
  • Willingness to learn new skills as required by the project
  • A self-motivated work ethic and be capable of working both independently and as part of a team
  • Excellent communication, interpersonal and English language skills

You may also have

  • Experience developing or maintaining web-based applications (html, css, Javascript frameworks such as Angular, React)
  • Cloud (GCP or AWS) and popular cloud Big Data tools - BigQuery, Dataflow, Looker
  • Hands on containerisation experience (Docker or similar) and orchestration (e.g. with kubernetes)
  • Experience processing of biological archive data
  • Tests and CI/CD

Apply now! Benefits and Contract Information

  • Financial incentives: depending on circumstances, monthly family/marriage allowance of £278 monthly child allowance of £336 per child. Non resident allowance up to £569per month. Annual salary review, pension scheme, death benefit, long-term care, accident-at-work and unemployment insurances

  • Hybrid working arrangements

  • Private medical insurance for you and your immediate family (including all prescriptions and generous dental & optical cover)

  • Generous time off: 30 days annual leave per year, in addition to eight bank holidays

  • Relocation package including installation grant (as applicable)

  • Campus life: Free shuttle bus to and from work, on-site library, subsidised on-site gym and cafeteria, casual dress code, extensive sports and social club activities (on campus and remotely)

  • Family benefits: On-site nursery, child sick leave, generous parental leave, holiday clubs on campus and monthly family and child allowances

  • Contract duration: This position is a 2 year grant funded contract

  • Salary: Monthly salary starting at£3,695.61after tax but excl. pension & insurances) + benefits (Total package will be dependent on family circumstances)

  • International applicants: We recruit internationally and successful candidates are offered visa exemptions. Read more on our page for international applicants.

  • Diversity and inclusion: At EMBL-EBI, we strongly believe that inclusive and diverse teams benefit from higher levels of innovation and creative thought. We encourage applications from women, LGBTQ+ and individuals from all nationalities.

  • Job location: This role is based in Hinxton, near Cambridge, UK. You will be required to relocate if you are based overseas and you will receive a generous relocation package to support you.

To apply, please submit a covering letter and CV via our online system. Applications will close on 17/03/2026.

Software Engineer - Remote
Experis IT
London
Fully remote
Mid - Senior
£600/day

Transport Club Software Engineer - Remote

An opportunity is available for a skilled Transport Club Software Engineer to support critical transport technology systems used across the UK. This role sits within the ITSO Back Office value stream and focuses on the development, support and continuous improvement of core transaction processing platforms used by transport operators nationwide.

You will contribute to the development and support of the Transport Club HOPS, Fulfilment and Actora product suites along with associated services and shared libraries. These platforms handle journey transaction processing and message routing that underpin national transport services.

The Role - Transport Club Software Engineer

  • Develop, maintain and support Transport Club HOPS, Fulfilment and Actora platforms.
  • Deliver software enhancements across the full life cycle from design through deployment.
  • Support DevOps delivery pipelines and assist with escalations from the Transport Club Service Desk.
  • Work closely with internal teams and third party clients to support platform usage and improvement.
  • Contribute to ongoing improvements to engineering practices, tooling and platform performance.
  • Participate in Agile delivery cycles including sprint planning, development and release.

Key Skills and Experience

  • Strong experience in Java enterprise development.
  • Experience working with relational database technologies.
  • Experience developing large scale enterprise applications.
  • Knowledge of ITSO transport systems or standards.
  • Understanding of software engineering best practices.
  • Experience with automated software testing frameworks.
  • Experience working with DevOps integration and deployment pipelines.
  • Experience working within Agile Scrum delivery teams.
  • Familiarity with technologies such as Git, Jenkins, Groovy, Elasticsearch, Cucumber, JUnit, REST services, Angular, Node and C#.

This role suits an experienced Transport Club Software Engineer who enjoys working on large scale systems that support national infrastructure.

To apply, please send your CV by pressing the apply button

Software Engineer - Backend
Fruition Group
City of London
Hybrid
Senior - Leader
£85,000

London (Occasional travel)

Salary: Up to £85k + Benefits

An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation.

What will I be doing?

Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance.

Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy.

Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch.

Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous improvement.

Collaborate with cross-functional teams - including product, data, and design - to deliver innovative solutions that directly impact customer success.

Evaluate and implement emerging technologies that enhance system performance and developer productivity.

Take ownership of mission-critical initiatives, balancing technical depth with business priorities to deliver scalable, maintainable solutions.

What do I need to be successful?

Degree in Computer Science or equivalent hands-on experience.

3+ years’ experience in backend software development, including several years in a senior or principal-level engineering role.

Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale.

Deep understanding of software architecture, cloud infrastructure (Google Cloud, AWS, or Azure), and modern DevOps practices.

Strong knowledge of data structures, algorithms, and system design principles.

Demonstrated experience influencing technical direction across teams and driving alignment on complex engineering decisions.

Passion for delivering elegant, high-performance software and solving complex technical challenges that impact real users.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.

TPBN1_UKTJ

ElasticSearch SME
Hays Technology
London
Hybrid
Mid - Senior
£450/day - £500/day
+5

ElasticSearch SME - Active SC, ElasticSearch, Nginx

Up to 500pd (Inside IR35)

London/Hybrid

6 months

My client is a high profile consultancy who are seeking an ElasticSearch SME, with Active Security Clearance (SC) to join a business critical programme for an end client.

Key Requirements:

  • Proven experience as an ElasticSearch SME with Active Security Clearance (SC)
  • Working experience using ElasticSearch as core component, not just ELK logging
  • Hands on support of legacy applications and infrastructure
  • Strong experience with Nginx and Apache Tomcat/HTTP
  • Working knowledge of Containerisation / Virtualisation (e.g. Docker, VMware) and Linux with Shell scripting.
  • Hands-on experience supporting ElasticSearch integrations (indexing, query DSL etc) and experience supporting search-driven services (JSON, Logstash, Kibana etc)
  • Experience with Platforms and Operation Systems including, Oracle Solaris 10, Red Hat Enterprise Linux 8, Windows Server 2008 / 2016 / 2019, VMware ESX v6, Docker, IBM Initiate (Master Data Management)

Nice to have:

  • Working experience with Java 8, 5, 6, 11, Enterprise JavaBeans (EJB) and JSP
  • Immediate availability

If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.
If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at (url removed)

Application Software Engineer – JavaScript
RedTech Recruitment Ltd
London
Hybrid
Graduate - Junior
Private salary
+7

A fantastic opportunity for talented Software Developers, to join an industry-leading software company in either London or Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. Location: London or Cambridge (3 days on site, 2 days remote) Salary: Negotiable + comprehensive benefits Requirements for Application Software Engineer: History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at A Level (or equivalent UCAS points) Solid commercial experience using JavaScript and ideally, node.js and related technologies/frameworks - top new graduates considered for the Cambridge office You class yourself as a tech innovator and the idea of shaping products and suggesting new technologies really appeals Ability to quickly pick up new technologies – working in JavaScript you’re aware new technologies/frameworks emerge all of the time, and you will need to stay abreast of the latest and best technologies to apply to any given project Good communication skills Responsibilities for Application Software Engineer – Graduate Considered: Work on web applications using a diverse toolset based around JavaScript technologies. While there will be opportunities to work across the stack. The current tech stack includes: Web (UI): JavaScript (backbone.js, d3.js, three.js, pdf.js), Less/CSS Web (Backend): Node.js, PostgreSQL, Elasticsearch, Redis Develop, deploy and maintain web application infrastructure Be a tech innovator and put ideas forward to the team If you are keen there is the opportunity to mentor junior members of staff What the role offers: The chance to work on a diverse toolset of cutting-edge tech Working for a leading software company who have a fantastic track record of successfully training and promoting internally A great remuneration and benefits package Applications: If you would like to apply for this unique Developer role then please send your CV via the relevant links! We’re committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application or during the review process, please highlight this by emailing (if this email address has been removed by the job-board, full details for contact are available on our website). Keywords: Software Engineer / Application Developer / Back-End Software Engineer / node.js developer / node.js Software Engineer / Full-Stack Developer / UI/UX Developer / JavaScript Developer / Vue.js Developer / MEAN Stack Developer / MERN Stack Developer / Meteor.js Developer / Express.js Developer / Web Design Engineer / Web Integration Developer / Web Architect / Software Engineer (Web) / Web Systems Developer/ Web Software Engineer / Web Programmer / JavaScript / Node.js / backbone.js / HTML5 / Less CSS / Computer Science / Web Development / Web Software Engineer / PHP Astrophysics / Software Engineering / JavaScript / React.js / AngularJS / Vue.js / Node.js / ExpressJS / Web UI / Front-end / full-stack / back-end / Developer --- RedTech Recruitment Ltd focus on finding roles for Engineers and Scientists. Even if the above role isn’t of interest, please visit our website to see our other opportunities. We are an equal opportunity employer and value diversity at RedTech. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status

Java Software Engineer
Omega Resource Group
Gloucestershire
Hybrid
Junior - Mid
£45,000 - £90,000
+7

Java Software Engineer - Defence, Cyber & Intelligence Full-Time eDV Clearance Required

We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors.

You’ll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities.

Key Responsibilities:

  • Software design, development, and debugging on secure systems
  • Creating and maintaining test frameworks (e.g., JUnit 5)
  • Developing in Linux environments with modern languages (Java, Python)
  • Working with Agile/SCRUM practices and CI/CD pipelines (GitLab)
  • Contributing across the software development lifecycle from requirements to deployment

Tech Stack Includes:

Java, Python, Linux, Git, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite

PLEASE NOTE: eDV clearance is required to start. The process can take 6 - 18 months.

For more information on this role, please contact Daiane on (phone number removed) or send your CV to (url removed)

Candidates currently working as a Program Manager, Programme Manager, or Project Manager from Defence, Aerospace, Nuclear, or Government bodies are ideal for this role. Omega is an employment agency specialising in opportunities at all levels within the Aerospace, Automotive, Defence, Electronics, Energy, Engineering, Manufacturing, Renewable, and Scientific industries.

Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors.

3rd Line Storage / Infrastructure Engineer (NetApp) DV Cleared
Experis
London
In office
Mid - Senior
Private salary

3rd Line Storage Engineer

Must have an Active DV Clearance

An excellent opportunity has arisen for a 3rd Line Storage Engineer to support a secure, high profile government environment. You will work with a specialist 3rd line team and engineering functions to maintain, troubleshoot, and enhance storage and infrastructure services across a complex estate. This role is based in London and includes exposure to both legacy and modern technologies.

About the Role - 3rd Line Storage Engineer

  • As a 3rd Line Storage Engineer, you will support users and engineering teams through incident management tooling while maintaining critical storage platforms and associated infrastructure.
  • You will work with technologies including NetApp and other enterprise storage systems, supporting configuration, performance, resilience, and integration across the wider environment.
  • The role includes supporting Microsoft and virtualisation platforms that interface with storage services, ensuring stable and secure operation across multi site domains.
  • You will receive training on legacy components and contribute to upgrades, migrations, and optimisation activities.

What We’re Looking For - 3rd Line Storage Engineer

  • Strong experience with enterprise storage platforms such as NetApp and a good understanding of storage protocols, clustering, HA, SOFS, DFS, and related storage services.
  • Knowledge of Windows Server 2003 to 2022, Active Directory, Group Policy, and secure delegation structures.
  • Understanding of DNS, DHCP, PKI, firewall controls, and SMTP proxy services.
  • Experience with VMware, vCenter, ESXi, vMotion, HyperV, and virtualised infrastructures interacting with storage systems.
  • Exposure to Citrix, App-V, cloud based services, PowerShell, MBAM, BitLocker, and VPN technologies.
  • Desirable knowledge of cloud platforms, automation tooling, container technologies, and monitoring systems.
  • Broader awareness of technologies such as Ansible, Puppet, Kubernetes, Docker, Elasticsearch, Linux, IaaS, and PaaS services.

Deliver secure and resilient storage services within a highly sensitive environment as a 3rd Line Storage Engineer.

To apply, please send your CV by pressing the apply button.

Senior Data Engineer - Active DV Required
Matchtech
Worcestershire
In office
Senior
£78/hour

Location: Worcester area (fully onsite)

Duration: 6 month initial contract

Rate: 78ph LTD (Outside IR35)

Due to the nature of the role, candidates must hold active DV clearance.

Role details:

Our client, a leading defence and security company, are looking for DV cleared Data Engineers to join their team on a contract basis. This is a fully onsite role with the option of compressed hours.

This role requires strong expertise in building and managing data pipelines using the Elastic Stack (Elasticsearch, Logstash, Kibana) and Apache NiFi. The successful candidate will design, implement, and maintain scalable, secure data solutions, ensuring compliance with strict security standards and regulations.

Responsibilities not limited to:

  • Design, develop, and maintain secure and scalable data pipelines using the Elastic Stack (Elasticsearch, Logstash, Kibana) and Apache NiFi.
  • Implement data ingestion, transformation, and integration processes, ensuring data quality and security.
  • Collaborate with data architects and security teams to ensure compliance with security policies and data governance standards.
  • Manage and monitor large-scale data flows in real-time, ensuring system performance, reliability, and data integrity.
  • Develop robust data models to support analytics and reporting within secure environments.
  • Perform troubleshooting, debugging, and performance tuning of data pipelines and the Elastic Stack.
  • Build dashboards and visualizations in Kibana to enable data-driven decision-making.
  • Ensure high availability and disaster recovery for data systems, implementing appropriate backup and replication strategies.
  • Document data architecture, workflows, and security protocols to ensure smooth operational handover and audit readiness.

Interested? Apply today via the link provided!

Page 1 of 1
Frequently asked questions
Haystack features a variety of Elasticsearch roles including developers, data engineers, DevOps engineers, and system architects specializing in Elasticsearch implementations.
While many positions require experience with Elasticsearch, there are also entry-level roles and internships designed for candidates looking to build skills in Elasticsearch technologies.
Yes, Haystack allows you to filter Elasticsearch job listings based on work preferences such as remote, onsite, or hybrid positions.
Absolutely! Many Elasticsearch jobs on Haystack also require experience with complementary tools and technologies such as Kibana, Logstash, AWS, Docker, and more.
Highlight relevant Elasticsearch projects, certifications, and experience in your resume. Tailoring your application to match the job description and including keywords related to Elasticsearch will improve your chances.